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	1 <?xml version="1.0" encoding="UTF-8"?>
	2 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
	3 <channel>
	4 <title>Solene's percent %</title>
	5 <description></description>
	6 <link>https://dataswamp.org/~solene/</link>
	7 <atom:link href="https://dataswamp.org/~solene/rss.xml" rel="self" t…
	8 <item>
	9 <title>A curated non-violent games list</title>
	10 <description>
	11 <![CDATA[
	12 <p>For long time I wanted to share a list of non-violent games I
	13 enjoyed, so here it is. Obviously, this list is FAR from being
	14 complete and exhaustive. It contains games <strong>I played</strong> and…
	15 I liked. They should all run on Linux and some on OpenBSD.</p>
	16
	17 <p>Aside this list, most tycoon and puzzle games should be
	18 non-violent.</p>
	19
	20 <h2 id="automationbuildinggames">Automation / Building games</h2>
	21
	22 <ul>
	23 <li><a href="https://tobspr.itch.io/shapezio">Shapez.io</a></li>
	24 </ul>
	25
	26 <p>This game is like Factorio, you have to automate production lines
	27 and increase the output of shapes/colors. Very time consuming.</p>
	28
	29 <p>The project is <strong>Open source</strong> but you need to buy the g…
	30 you don’t want to compile yourself. Or just use my compiled version
	31 at <a href="https://perso.pw/shapez.io/">https://perso.pw/shapez.io/</a>
	32 (require a chrome based browser…)</p>
	33
	34 <ul>
	35 <li><a href="https://www.openttd.org/">OpenTTD</a></li>
	36 </ul>
	37
	38 <p>A transport tycoon game, multiplayer possible! Very complex,
	39 the community is active and you can find tons of mods.</p>
	40
	41 <p>The game is <strong>Open source</strong> and you can certainly instal…
	42 on any distribution with the package manager.</p>
	43
	44 <ul>
	45 <li><a href="https://vfqd.itch.io/terra-nil">Terra Nil - Reclaim the was…
	46 </ul>
	47
	48 <p>This game is about building equipments to restore the nature into
	49 a wasteland, improve the biodiversity and then remove all your
	50 structures.</p>
	51
	52 <p>The game is not open source but is free of charge. The music
	53 seems to be under an open licence.
	54 Still, you can pay what you want for it to support the developer.</p>
	55
	56 <ul>
	57 <li><a href="https://vfqd.itch.io/everything-is-garbage">Everything is g…
	58 </ul>
	59
	60 <p>This is a short game about chaining producing buildings into another,
	61 all from garbages up to some secret ending :)</p>
	62
	63 <p>The game is not open source but is free of charge.</p>
	64
	65 <h2 id="sandboxadventuregame">Sandbox / Adventure game</h2>
	66
	67 <ul>
	68 <li><a href="https://www.minetest.net/">Minetest</a></li>
	69 </ul>
	70
	71 <p>This game is a clone of Minecraft, it supports a lot of mods (which
	72 can make the game very complex, like adding trains tracks with their
	73 signals, the pinnacle of complexity :D). As far as I know, the game
	74 now supports health but there are no fight involved.</p>
	75
	76 <p>The game is <strong>Open source</strong> and free of charge.</p>
	77
	78 <ul>
	79 <li><a href="https://bynine.itch.io/forestssecret">Forest’s Secret…
	80 </ul>
	81
	82 <p>This game is about exploration in a forest. It has a nice
	83 music, gameplay is easy.</p>
	84
	85 <p>The game is not open source but it’s free.
	86 Still, you can pay what you want for it to support the developer.</p>
	87
	88 <h2 id="actionreflexgames">Action / reflex games</h2>
	89
	90 <p>This category of games contains games that require
	91 some reflexes or at least need to player to be
	92 active to play.</p>
	93
	94 <ul>
	95 <li><a href="https://xmoto.tuxfamily.org/">Xmoto</a></li>
	96 </ul>
	97
	98 <p>This game is about driving a 2D motocross and
	99 pass through obstacles, it can be very hard
	100 and will challenge you for long time.</p>
	101
	102 <p>it’s <strong>Open source</strong> and free of charge.</p>
	103
	104 <ul>
	105 <li><a href="https://kenney.itch.io/frick-inc">Frick. Inc</a></li>
	106 </ul>
	107
	108 <p>This is a fun game where you need to drive some big trucks only
	109 <strong>using a displayed control panel with your mouse</strong> which m…
	110 things very hard.</p>
	111
	112 <p>The game is not open source and not free, but the cost isn’t ve…
	113 high (3.99€ at the moment from France).</p>
	114
	115 <ul>
	116 <li><a href="https://adamgryu.itch.io/a-short-hike">A short hike</a></li>
	117 </ul>
	118
	119 <p>This game is about a teenager character who is on vacation in a
	120 place with no cell network, and you will have to make a hike and
	121 meet people to go to the end. Very relaxing :)</p>
	122
	123 <p>The game isn’t open source and isn’t free, but costs arou…
	124 the moment from France.</p>
	125
	126 <ul>
	127 <li><a href="https://www.gog.com/game/Train_Valley">Train valley</a></li>
	128 </ul>
	129
	130 <p>This game is about adding trains to tracks and avoid them
	131 to crash. I found this game to be more about reflexes than
	132 building, simulation or tycoon. You mostly need to route
	133 the trains in real time.</p>
	134
	135 <p>The game isn’t open source and not free but costs around 10€.…
	136
	137 <h2 id="puzzlegameszachtronicsgames">Puzzle games (Zachtronics games)</h…
	138
	139 <p>What’s a Zachtronics game? It’s a game edited by Zachtron…
	140 game from this studio have a common pattern. You solve puzzles with
	141 more and more complexes systems, you can compare your result in
	142 speed / efficiency / steps to the others player. They are a mix in
	143 between automation and puzzles. Those games are really good. There
	144 are more than the 3 games I list, but I didn’t enjoy them all,
	145 <a href="https://www.gog.com/games?devpub=zachtronics&page=1&sor…
	146
	147 <ul>
	148 <li><a href="https://www.gog.com/game/opus_magnum">Opus Magnum</a></li>
	149 </ul>
	150
	151 <p>You play an alchemist who is asked to create product for a rich
	152 family. You need to setup devices to transforms and combine
	153 materials into the expected result.</p>
	154
	155 <p>The game isn’t open source and isn’t free. The average co…
	156
	157 <ul>
	158 <li><a href="https://www.gog.com/game/infinifactory">Infinifactory</a></…
	159 </ul>
	160
	161 <p>This game is in 3D, you receive materials on conveyor belts and you
	162 will have to rotate and wield them to deliver the expect material.</p>
	163
	164 <p>The game isn’t open source and isn’t free. The average co…
	165
	166 <ul>
	167 <li><a href="https://www.gog.com/game/tis100">Tis–100</a></li>
	168 </ul>
	169
	170 <p>This game is about writing code into assembly. There are calculations
	171 units that will add/sub values from registers and pass it to another
	172 unit. Even more fun if you print the old fashion instructions book!</p>
	173
	174 <p>The game isn’t open source and isn’t free. The average co…
	175
	176 <h2 id="visualnovel">Visual Novel</h2>
	177
	178 <p><a href="https://www.gog.com/game/the_expression_amrilato">The expres…
	179
	180 <p>This game is about a japanese girl who ends in a parallel world where
	181 everything seems similar but in this Japan, people talk Esperanto.</p>
	182
	183 <p>The game isn’t open source and isn’t free. The average co…
	184
	185 <h2 id="notveryviolent">Not very violent</h2>
	186
	187 <p><a href="http://wayofthepassivefist.com/">Way of the Passive Fist</a>…
	188
	189 <p>I would like to add this game to this list. It’s a brawler (like
	190 street of rage) in which you don’t fight people, but you only dodge
	191 attacks to exhaust enemies or counter-attack. It’s still a bit
	192 violent because it involves violence toward you, and throwing back
	193 a knife would still be violent… But still, I think this is an
	194 unique game that merits to be better known. :)</p>
	195
	196 <p>The game isn’t open source and isn’t free, expect around …
	197 it.</p>
	198
	199 ]]>
	200 </description>
	201 <guid>https://dataswamp.org/~solene/2020-10-18-non-violent-games.html<…
	202 <link>https://dataswamp.org/~solene/2020-10-18-non-violent-games.html<…
	203 <pubDate>Sun, 18 Oct 2020 00:00:00 GMT</pubDate>
	204 </item>
	205 <item>
	206 <title>Making a home NAS using NixOS</title>
	207 <description>
	208 <![CDATA[
	209 <p>Still playing with <a href="https://nixos.org/">NixOS</a>, I wanted t…
	210 how difficult it would be to write a NixOS configuration file to
	211 turn a computer into a simple NAS with basics features: samba
	212 storage, dlna server and auto suspend/resume.</p>
	213
	214 <p>What is <a href="https://nixos.org/features.html">NixOS</a>? As a rem…
	215 some and introduction to the others, NixOS is a Linux distribution
	216 built by the Nix package manager, which make it very different than
	217 any other operating system out there, except <a href="https://guix.gnu.o…
	218 which has a similar approach with their own package manager written
	219 in Scheme.</p>
	220
	221 <p>NixOS uses a declarative configuration approach along with lot of
	222 others features derived from Nix. What’s big here is you no longer
	223 tweak anything in <code>/etc</code> or install packages, you can define …
	224 working state of the system in one configuration file. This system
	225 is a totally different beast than the others OS and require some
	226 time to understand how it work. Good news though, <strong>everything</st…
	227 is documented in the man page <code>configuration.nix</code>, from fstab
	228 configuration to users managements or how to enable samba!</p>
	229
	230 <p>Here is the <code>/etc/nixos/configuration.nix</code> file on my NAS.…
	231
	232 <p>It enables ssh server, samba, minidlna and vnstat. Set up an user
	233 with my ssh public key. Ready to work.</p>
	234
	235 <p>Using <code>rtcwake</code> command (Linux specific), it’s possi…
	236 the system into standby mode and schedule an auto resume after
	237 some time. This is triggered by a cron job at 01h00.</p>
	238
	239 <pre><code>{ config, pkgs, ... }:
	240 {
	241 # include stuff related to hardware, auto generated at install
	242 imports = ./hardware-configuration.nix ];
	243 boot.loader.grub.device = "/dev/sda";
	244
	245 # network configuration
	246 networking.interfaces.enp3s0.ipv4.addresses = [ {
	247 address = "192.168.42.150";
	248 prefixLength = 24;
	249 } ];
	250 networking.defaultGateway = "192.168.42.1";
	251 networking.nameservers = [ "192.168.42.231" ];
	252
	253 # FR locales and layout
	254 i18n.defaultLocale = "fr_FR.UTF-8";
	255 console = { font = "Lat2-Terminus16"; keyMap = "fr&quot…
	256 time.timeZone = "Europe/Paris";
	257
	258 # Packages management
	259 environment.systemPackages = with pkgs; [
	260 kakoune vnstat borgbackup utillinux
	261 ];
	262
	263 # network disabled (I need to check the ports used first)
	264 networking.firewall.enable = false;
	265
	266 # services to enable
	267 services.openssh.enable = true;
	268 services.vnstat.enable = true;
	269
	270 # auto standby
	271 services.cron.systemCronJobs = [
	272 "0 1 * * * root rtcwake -m mem --date +6h"
	273 ];
	274
	275 # samba service
	276 services.samba.enable = true;
	277 services.samba.enableNmbd = true;
	278 services.samba.extraConfig = ''
	279 workgroup = WORKGROUP
	280 server string = Samba Server
	281 server role = standalone server
	282 log file = /var/log/samba/smbd.%m
	283 max log size = 50
	284 dns proxy = no
	285 map to guest = Bad User
	286 '';
	287 services.samba.shares = {
	288 public = {
	289 path = "/home/public";
	290 browseable = "yes";
	291 "writable" = "yes";
	292 "guest ok" = "yes";
	293 "public" = "yes";
	294 "force user" = "share";
	295 };
	296 };
	297
	298 # minidlna service
	299 services.minidlna.enable = true;
	300 services.minidlna.announceInterval = 60;
	301 services.minidlna.friendlyName = "Rorqual";
	302 services.minidlna.mediaDirs = ["A,/home/public/Musique/" &qu…
	303
	304 # trick to create a directory with proper ownership
	305 # note that tmpfiles are not necesserarly temporary if you don't
	306 # set an expire time. Trick given on irc by someone I forgot the name..
	307 systemd.tmpfiles.rules = [ "d /home/public 0755 share users"…
	308
	309 # create my user, with sudo right and my public ssh key
	310 users.users.solene = {
	311 isNormalUser = true;
	312 extraGroups = [ "wheel" "sudo" ];
	313 openssh.authorizedKeys.keys = [
	314 "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOIZKLFQXVM15viQXHYR…
	315 "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOIZKLFQXVM15vAQXBYR…
	316 ];
	317 };
	318
	319 # create a dedicated user for the shares
	320 # I prefer a dedicated one than "nobody"
	321 # can't log into it
	322 users.users.share= {
	323 isNormalUser = false;
	324 };
	325 }
	326 </code></pre>
	327
	328 ]]>
	329 </description>
	330 <guid>https://dataswamp.org/~solene/2020-10-18-nixos-nas.html</guid>
	331 <link>https://dataswamp.org/~solene/2020-10-18-nixos-nas.html</link>
	332 <pubDate>Sun, 18 Oct 2020 00:00:00 GMT</pubDate>
	333 </item>
	334 <item>
	335 <title>NixOS optional features in packages</title>
	336 <description>
	337 <![CDATA[
	338 <p>As a claws-mail user, I like to have calendar support in the mail
	339 client to be able to “accept” invitations. In the default Ni…
	340 claws-mail package, the vcalendar module isn’t installed with the
	341 package. Still, it is possible to add support for the vcalendar
	342 module without ugly hack.</p>
	343
	344 <p>It turns out, by default, the claws-mail package in Nixpkg has an
	345 optional build option for the vcalendar module, we need to tell
	346 nixpkg we want this module and claws-mail will be compiled.</p>
	347
	348 <p>As stated in the <a href="https://nixos.org/manual/nixos/stable/#sec-…
	349 manual</a>,
	350 the optionals features can’t be searched yet. So what’s poss…
	351 is to search for your package in the <a href="https://search.nixos.org/p…
	352 search</a>, click on the package
	353 name to get to the details and click on the link named “Nix expres…
	354 that will open a link to the package definition on GitHUB, <a href="http…
	355 nix
	356 expression</a></p>
	357
	358 <p>As you can see on the claws-mail nix expression code, there are lot
	359 of lines with <strong>optional</strong>, those are features we can enabl…
	360 is a sample:</p>
	361
	362 <pre><code>[..]
	363 ++ optional (!enablePluginArchive) "--disable-archive-plugin"
	364 ++ optional (!enablePluginLitehtmlViewer) "--disable-litehtml_viewe…
	365 ++ optional (!enablePluginPdf) "--disable-pdf_viewer-plugin"
	366 ++ optional (!enablePluginPython) "--disable-python-plugin"
	367 [..]
	368 </code></pre>
	369
	370 <p>In your <code>configuration.nix</code> file, where you define the pac…
	371 you want, you can tell you want to enable the plugin vcalendar,
	372 this is done as in the following example:</p>
	373
	374 <pre><code>environment.systemPackages = with pkgs; [
	375 kakoune git firefox irssi minetest
	376 (pkgs.claws-mail.override { enablePluginVcalendar = true;})
	377 ];
	378 </code></pre>
	379
	380 <p>When you rebuild your system to match the configuration definition,
	381 claws-mail will be compiled with the extras options you defined.</p>
	382
	383 <p>Now, I have claws-mail with vCalendar support.</p>
	384
	385 ]]>
	386 </description>
	387 <guid>https://dataswamp.org/~solene/2020-10-14-nixos-custom-packages.h…
	388 <link>https://dataswamp.org/~solene/2020-10-14-nixos-custom-packages.h…
	389 <pubDate>Wed, 14 Oct 2020 00:00:00 GMT</pubDate>
	390 </item>
	391 <item>
	392 <title>Unlock a full disk encryption NixOS with usb memory stick</titl…
	393 <description>
	394 <![CDATA[
	395 <p>Using NixOS on a laptop on which the keyboard isn’t detected wh…
	396 I need to type the password to decrypt disk, I had to find a solution.
	397 This problem is hardware related, not Linux or NixOS related.</p>
	398
	399 <p><strong>I highly recommend using full disk encryption on every comput…
	400 following a thief threat model. Having your computer stolen is bad,
	401 but if the thief has access to all your data, you will certainly
	402 be in trouble.</strong></p>
	403
	404 <p>This was time to find how to use an usb memory stick to unlock the
	405 full disk encryption in case I don’t have my hands on an usb keybo…
	406 to unlock the computer.</p>
	407
	408 <p>There are 4 steps to enable unlocking the luks volume using a device.…
	409
	410 <ol>
	411 <li>Create the key</li>
	412 <li>Add the key on the luks volume</li>
	413 <li>Write the key on the usb device</li>
	414 <li>Configure NixOS</li>
	415 </ol>
	416
	417 <p>First step, creating the file. The easiest way is to the following:</…
	418
	419 <pre><code># dd if=/dev/urandom of=/root/key.bin bs=4096 count=1
	420 </code></pre>
	421
	422 <p>This will create a 4096 bytes key. You can choose the size you want.<…
	423
	424 <p>Second step is to register that key in the luks volume, you will
	425 be prompted for luks password when doing so.</p>
	426
	427 <pre><code># cryptsetup luksAddKey /dev/sda1 /root/key.bin
	428 </code></pre>
	429
	430 <p>Then, it’s time to write the key to your usb device, I assume it
	431 will be <code>/dev/sdb</code>.</p>
	432
	433 <pre><code># dd if=/root/key.bin of=/dev/sdb bs=4096 count=1
	434 </code></pre>
	435
	436 <p>And finally, you will need to configure NixOS to give the information
	437 about the key. It’s important to give the correct size of the key.
	438 Don’t forget to adapt <code>"crypted"</code> to your luk…
	439
	440 <pre><code>boot.initrd.luks.devices."crypted".keyFileSize = 40…
	441 boot.initrd.luks.devices."crypted".keyFile = "/dev/sdb&qu…
	442 </code></pre>
	443
	444 <p>Rebuild your system with <code>nixos-rebuild switch</code> and voilà…
	445
	446 <h3 id="goingfurther">Going further</h3>
	447
	448 <p>I recommend using the fallback to password feature so if you
	449 lose or don’t have your memory stick, you can type the password to
	450 unlock the disk. Note that you need to not put anything looking
	451 like a <code>/dev/sdb</code> because if it exists and no key are there, …
	452 system won’t ask for password, and you will need to reboot.</p>
	453
	454 <pre><code>boot.initrd.luks.devices."crypted".fallbackToPasswo…
	455 </code></pre>
	456
	457 <p>It’s also possible to write the key in a partition or at a spec…
	458 offset into your memory disk. For this, look at
	459 <code>boot.initrd.luks.devices."volume".keyFileOffset</code> e…
	460
	461 ]]>
	462 </description>
	463 <guid>https://dataswamp.org/~solene/2020-10-06-nixos-luks-key.html</gu…
	464 <link>https://dataswamp.org/~solene/2020-10-06-nixos-luks-key.html</li…
	465 <pubDate>Tue, 06 Oct 2020 00:00:00 GMT</pubDate>
	466 </item>
	467 <item>
	468 <title>Playing chess by email</title>
	469 <description>
	470 <![CDATA[
	471 <p>It’s possible to play chess using email. This is possible becau…
	472 there are notations like PGN (Portable Game Notation) that describe
	473 the state of a game.</p>
	474
	475 <p>By playing on your computer and sending the PGN of the game to
	476 your opponent, that person will be able to play their move and
	477 send you the new PGN so you can play.</p>
	478
	479 <h2 id="usingxboard">Using xboard</h2>
	480
	481 <p>This is quite easy with xboard (which should be available in most
	482 bsd/linux/unix distributions), as long as you are aware of the few
	483 keybindings.</p>
	484
	485 <p>When you start a game, press <strong>Ctrl+E</strong> to enter edition…
	486 will prevent the AI to play, then make your move.</p>
	487
	488 <p>From there, you can press <strong>Ctrl+C</strong> to copy the state o…
	489 You will have something like this in your clipboard.</p>
	490
	491 <pre><code>[Event "Edited game"]
	492 [Site "solene.local"]
	493 [Date "2020.09.28"]
	494 [Round "-"]
	495 [White "-"]
	496 [Black "-"]
	497 [Result "*"]
	498
	499 1. d3
	500 *
	501 </code></pre>
	502
	503 <p>You can send this to your opponent, but the only needed data is <code…
	504 d3</code> which is the PGN notation of the moves. You can throw the rest…
	505
	506 <p>In a more advanced game, you will end up mailing this kind of data:</…
	507
	508 <pre><code>1. d3 e6 2. e4 f5 3. exf5 exf5 4. Qe2+ Be7 5. Qxe7+ Qxe7+
	509 </code></pre>
	510
	511 <p>When you want to play your turn, load that line and press <strong>Ctr…
	512 you should see the moves happening on the board.</p>
	513
	514 <h2 id="usinggnuchess">Using gnuchess</h2>
	515
	516 <p>gnuchess allow playing chess in command line.</p>
	517
	518 <p>When you want to start a game, you will have a prompt, type <code>man…
	519 to not play against the AI. I recommend using <code>coords</code> to dis…
	520 coordinates on the axis of the board.</p>
	521
	522 <p>When you type <code>show board</code> you will have this display:</p>
	523
	524 <pre><code> white KQkq
	525
	526 8 r n b q k b n r
	527 7 p p p p p p p p
	528 6 . . . . . . . .
	529 5 . . . . . . . .
	530 4 . . . . . . . .
	531 3 . . . . . . . .
	532 2 P P P P P P P P
	533 1 R N B Q K B N R
	534 a b c d e f g h
	535 </code></pre>
	536
	537 <p>Then, I can type <code>d3</code> I get a display</p>
	538
	539 <pre><code>8 r n b q k b n r
	540 7 p p p p p p p p
	541 6 . . . . . . . .
	542 5 . . . . . . . .
	543 4 . . . . . . . .
	544 3 . . . P . . . .
	545 2 P P P . P P P P
	546 1 R N B Q K B N R
	547 a b c d e f g h
	548 </code></pre>
	549
	550 <p>From the game, you can save the game using <code>pgnsave FILE</code>
	551 and load a game using <code>pgnload FILE</code>.</p>
	552
	553 <p>You can see the list of the moves using <code>show game</code>.</p>
	554
	555 ]]>
	556 </description>
	557 <guid>https://dataswamp.org/~solene/2020-09-28-chess.html</guid>
	558 <link>https://dataswamp.org/~solene/2020-09-28-chess.html</link>
	559 <pubDate>Mon, 28 Sep 2020 00:00:00 GMT</pubDate>
	560 </item>
	561 <item>
	562 <title>About pipelining OpenBSD ports contributions</title>
	563 <description>
	564 <![CDATA[
	565 <p>After modest contributions to the NixOS operating system which made
	566 me learn about the contribution process, I found enjoyable to have
	567 an automatic report and feedback about the quality of the submitted
	568 work. While on NixOS this requires GitHub, I think this could be
	569 applied as well on OpenBSD and the mailing list contributing system.</p>
	570
	571 <p>I made a prototype before starting the real work and actually I&#8217…
	572 happy with the result.</p>
	573
	574 <p>This is what I get after feeding the script with a mail containing
	575 a patch:</p>
	576
	577 <pre><code>Determining package path ✓
	578 Verifying patch isn't committed ✓
	579 Applying the patch ✓
	580 Fetching distfiles ✓
	581 Distfile checksum ✓
	582 Applying ports patches ✓
	583 Extracting sources ✓
	584 Building result ✓
	585 </code></pre>
	586
	587 <p>It requires a lot of checks to find a patch in the file, because
	588 we have have patches generated from cvs or git which have a slightly
	589 different output. And then, we need to find from where to apply
	590 this patch.</p>
	591
	592 <p>The idea would be to retrieve mails sent to [email protected] by
	593 subscribing, then store metadata about that submission into a
	594 database:</p>
	595
	596 <pre><code>Sender
	597 Date
	598 Diff (raw text)
	599 Status (already committed, doesn't apply, apply, compile)
	600 </code></pre>
	601
	602 <p>Then, another program will pick a diff from the database, prepare a V…
	603 derivated qcow2 disk from a base image so it always start fresh and
	604 clean and ready, and do the checks within the VM.</p>
	605
	606 <p>Once it is finished, a mail could be sent as a reply to the original
	607 mail to give the status of each step until error or last check. The
	608 database could be reused to make a web page to track what compiles
	609 but is not yet committed. As it’s possible to verify if a patch is
	610 committed in the tree, this can automatically prune committed patches
	611 over time.</p>
	612
	613 <p>I really think this can improve tracking patches sent to ports@ and
	614 ease the contribution process.</p>
	615
	616 <p><strong>DISCLAIMER</strong></p>
	617
	618 <ul>
	619 <li>This would not be an official part of the project, I do it on my own…
	620 <li>This may be cancelled</li>
	621 <li>This may be a bad idea</li>
	622 <li>This could be used “as a service” instead of pulling aut…
	623 from ports, meaning people could send mails to it to receive an
	624 automatic review. Ideally this should be done in portcheck(1) but
	625 I’m not sure how to verify a diff apply on the ports tree without
	626 enforcing requirements</li>
	627 <li><strong>Human work will still be required to check the content and v…
	628 the port works correctly!</strong></li>
	629 </ul>
	630
	631 ]]>
	632 </description>
	633 <guid>https://dataswamp.org/~solene/2020-09-27-pipeline-ports.html</gu…
	634 <link>https://dataswamp.org/~solene/2020-09-27-pipeline-ports.html</li…
	635 <pubDate>Sun, 27 Sep 2020 00:00:00 GMT</pubDate>
	636 </item>
	637 <item>
	638 <title>Docker cheatsheet</title>
	639 <description>
	640 <![CDATA[
	641 <p>Simple Docker cheatsheet. This is a short introduction about Docker u…
	642 and common questions I have been asking myself about Docker.</p>
	643
	644 <p>The official documentation for building docker images can be <a href=…
	645 here</a></p>
	646
	647 <h2 id="buildanimage">Build an image</h2>
	648
	649 <p>Building an image is really easy. As a requirement, you need to be
	650 in a directory that can contain data you will use for building the
	651 image but most importantly, you need a <code>Dockerfile</code> file.</p>
	652
	653 <p>The Dockerfile file hold all the instructions to create the container.
	654 A simple example would be this description:</p>
	655
	656 <pre><code>FROM busybox
	657 CMD "echo" "hello world"
	658 </code></pre>
	659
	660 <p>This will create a docker container using busybox base image
	661 and run <code>echo "hello world"</code> when you run it.</p>
	662
	663 <p>To create the container, use the following command in the same
	664 directory in which Dockerfile is:</p>
	665
	666 <pre><code>$ docker build -t your-image-name .
	667 </code></pre>
	668
	669 <h2 id="advancedimagebuilding">Advanced image building</h2>
	670
	671 <p>If you need to compile sources to distribute a working binary,
	672 you need to prepare the environment to have the required
	673 dependencies to compile and then you need to compile a static
	674 binary to ship the container without all the dependencies.</p>
	675
	676 <p>In the following example we will use a debian environment to build
	677 the software downloaded by git.</p>
	678
	679 <pre><code>FROM debian as work
	680 WORKDIR /project
	681
	682 RUN apt-get update
	683 RUN apt-get install -y git make gcc
	684 RUN git clone git://bitreich.org/sacc /project
	685 RUN apt-get install -y libncurses5-dev libncurses5
	686 RUN make LDFLAGS="-static -lncurses -ltinfo"
	687
	688 FROM debian
	689
	690 COPY --from=work /project/sacc /usr/local/bin/sacc
	691
	692 CMD "sacc" "gopherproject.org"
	693 </code></pre>
	694
	695 <p>I won’t explain every command here, but you may see that I have
	696 split the packages installation in two commands. This was to help
	697 debugging.</p>
	698
	699 <p>The trick here is that the docker build process has a cache feature.
	700 Every time you use a <code>FROM</code>, <code>COPY</code>, <code>RUN</co…
	701 cache the current state of the build process, if you re-run the
	702 process docker will be able to pick up the most recent state until
	703 the change.</p>
	704
	705 <p>I wasn’t sure how to compile statically the software at first, …
	706 having to install git make and gcc and run git clone EVERY TIME
	707 was very time consuming and bandwidth consuming.</p>
	708
	709 <p>In case you run this build and it fails, you can re-run the build
	710 and docker will catch up directly at the last working step.</p>
	711
	712 <p>If you change a line, docker will reuse the last state with a
	713 FROM/COPY/RUN/CMD command before the changed line. Knowing about
	714 this is really important for more efficient cache use.</p>
	715
	716 <h2 id="runanimage">Run an image</h2>
	717
	718 <p>With the previously locally built image we can run it with the comman…
	719
	720 <pre><code>$ docker run your-image-name
	721 hello world
	722 </code></pre>
	723
	724 <p>By default, when you use an image name to run, if you don’t hav…
	725 local image that match the name <em>docker</em> will check on the docker
	726 official repository if an image exists, if so, it will be pulled
	727 and run.</p>
	728
	729 <pre><code>$ docker run hello-world
	730 </code></pre>
	731
	732 <p>This is a sample official container that will display some
	733 explanations about docker.</p>
	734
	735 <p>If you want to try a gopher client, I made a docker version of it
	736 that you can run with the following command:</p>
	737
	738 <pre><code>$ docker run -t -i rapennesolene/sacc
	739 </code></pre>
	740
	741 <p>Why did you require <code>-t</code> and <code>-i</code> parameters? T…
	742 is to tell docker you want a tty because it will manipulate
	743 a terminal and the latter is to ask an interactive session.</p>
	744
	745 <h2 id="persistantdata">Persistant data</h2>
	746
	747 <p>By default, every data of the docker container get wiped out
	748 once it stops, which may be really undesirable if you use
	749 docker to deploy a service that has a state and require an
	750 installation, configuration files etc…</p>
	751
	752 <p>Docker has two ways to solve it:</p>
	753
	754 <p>1) map a local directory
	755 2) map a docker volume name</p>
	756
	757 <p>This is done with the parameter <code>-v</code> with the <code>docker…
	758
	759 <pre><code>$ docker run -v data:/var/www/html/ nextcloud
	760 </code></pre>
	761
	762 <p>This will map a persistent storage named “data” on the ho…
	763 on the path <code>/var/www/html</code> in the docker instance. By using …
	764 docker will check if <code>/var/lib/docker/volumes/data</code> exists, i…
	765 it will reuse it and if not it will create it.</p>
	766
	767 <p>This is a convenient way to name volumes and let docker manage it.</p>
	768
	769 <p>The other way is to map a local path to a container environment
	770 path.</p>
	771
	772 <pre><code>$ docker run -v /home/nextcloud:/var/www/html nextcloud
	773 </code></pre>
	774
	775 <p>In this case, the directory <code>/home/nextcloud</code> on the host …
	776 <code>/var/www/html</code> in the docker environment will be the same di…
	777
	778 ]]>
	779 </description>
	780 <guid>https://dataswamp.org/~solene/2020-09-24-docker-cheatsheet.html<…
	781 <link>https://dataswamp.org/~solene/2020-09-24-docker-cheatsheet.html<…
	782 <pubDate>Thu, 24 Sep 2020 00:00:00 GMT</pubDate>
	783 </item>
	784 <item>
	785 <title>A few tips about the command cd</title>
	786 <description>
	787 <![CDATA[
	788 <p>While everyone familiar with a shell know about the command <code>cd<…
	789 there are a few tips you should know.</p>
	790
	791 <h3 id="movingtoyourhomedirectory">Moving to your $HOME directory</h3>
	792
	793 <pre><code>$ pwd
	794 /tmp
	795 $ cd
	796 $ pwd
	797 /home/solene
	798 </code></pre>
	799
	800 <p>Using <code>cd</code> without argument will change your current direc…
	801 your $HOME.</p>
	802
	803 <h3 id="movingintosomeonehomedirectory">Moving into someone $HOME direct…
	804
	805 <p>While this should fail most of the time because people shouldn’…
	806 anyone to visit their $HOME, there are use case it can be used though.</…
	807
	808 <pre><code>$ cd ~user1
	809 $ pwd
	810 /home/user1
	811 $ cd ~solene
	812 $ pwd
	813 /home/solene
	814 </code></pre>
	815
	816 <p>Using <code>~user</code> as a parameter will move to that user $HOME …
	817 note that <code>cd</code> and <code>cd ~youruser</code> have the same re…
	818
	819 <h3 id="movingtopreviousdirectory">Moving to previous directory</h3>
	820
	821 <p>This is a very useful command which allow going back and forth between
	822 two directories.</p>
	823
	824 <pre><code>$ pwd
	825 /home/solene
	826 $ cd /tmp
	827 $ pwd
	828 /tmp
	829 $ cd -
	830 /home/solene
	831 $ pwd
	832 /home/solene
	833 </code></pre>
	834
	835 <p>When you use <code>cd -</code> the command will move to the previous …
	836 in which you were. There are two special variables in your shell:
	837 <code>PWD</code> and <code>OLDPWD</code>, when you move somewhere, <code…
	838 your current location before moving and then <code>PWD</code> hold the n…
	839 path. When you use <code>cd -</code> the two variables get exchanged, th…
	840 mean you can only jump from two paths using <code>cd -</code> multiple t…
	841
	842 <p>Please note that when using <code>cd -</code> your new location is di…
	843
	844 <h3 id="changingdirectorybymodifyingcurrentpwd">Changing directory by mo…
	845
	846 <p>thfr@ showed me a cd feature I never heard about, and it’s the
	847 perfect place to write about it. Note that this work in ksh and zsh
	848 but is reported to not work in bash.</p>
	849
	850 <p>One example will explain better than any text.</p>
	851
	852 <pre><code>$ pwd
	853 /tmp/pobj/foobar-1.2.0/work
	854 $ cd 1.2.0 2.4.0
	855 /tmp/pobj/foobar-2.4.0/work
	856 </code></pre>
	857
	858 <p>This tells <code>cd</code> to replace first parameter pattern by the …
	859 parameter in the current <code>PWD</code> and then cd into it.</p>
	860
	861 <pre><code>$ pwd
	862 /home/solene
	863 $ cd solene user1
	864 /home/user1
	865 </code></pre>
	866
	867 <p>This could be done in a bloated way with the following command:</p>
	868
	869 <pre><code>$ cd $(echo $PWD \| sed "s/solene/user1/")
	870 </code></pre>
	871
	872 <p>I learned it a few minutes ago but I see a lot of uses cases where
	873 I could use it.</p>
	874
	875 <h3 id="movingintothecurrentdirectoryafterremoval">Moving into the curre…
	876
	877 <p>In some specific case, like having your shell into a directory that
	878 existed but was deleted and removed (this happens often when you
	879 working into compilation directories).</p>
	880
	881 <p>A simple trick is to tell <code>cd</code> to go to the current locati…
	882
	883 <pre><code>$ cd .
	884 </code></pre>
	885
	886 <p>or</p>
	887
	888 <pre><code>$ cd $PWD
	889 </code></pre>
	890
	891 <p>And <code>cd</code> will go into the same path and you can start hack…
	892 again in that directory.</p>
	893
	894 ]]>
	895 </description>
	896 <guid>https://dataswamp.org/~solene/2020-09-04-cd-command.html</guid>
	897 <link>https://dataswamp.org/~solene/2020-09-04-cd-command.html</link>
	898 <pubDate>Fri, 04 Sep 2020 00:00:00 GMT</pubDate>
	899 </item>
	900 <item>
	901 <title>Find which package provides a given file in OpenBSD</title>
	902 <description>
	903 <![CDATA[
	904 <p>There is one very handy package on OpenBSD named <code>pkglocatedb</c…
	905 which provides the command <code>pkglocate</code>.</p>
	906
	907 <p>If you need to find a file or binary/program and you don’t know
	908 which package contains it, use pkglocate.</p>
	909
	910 <pre><code>$ pkglocate */bin/exiftool
	911 p5-Image-ExifTool-12.00:graphics/p5-Image-ExifTool:/usr/local/bin/exifto…
	912 </code></pre>
	913
	914 <p>With the result, I know that the package <code>p5-Image-ExifTool</cod…
	915 the command <code>exiftool</code>.</p>
	916
	917 <p>Another example looking for files containing the pattern “libc+…
	918
	919 <pre><code>$ pkglocate libc++
	920 base67:/usr/lib/libc++.so.5.0
	921 base67:/usr/lib/libc++abi.so.3.0
	922 comp67:/usr/lib/libc++.a
	923 comp67:/usr/lib/libc++_p.a
	924 comp67:/usr/lib/libc++abi.a
	925 comp67:/usr/lib/libc++abi_p.a
	926 qt4-4.8.7p23:x11/qt4,-main:/usr/local/lib/qt4/mkspecs/unsupported/macx-c…
	927 qt4-4.8.7p23:x11/qt4,-main:/usr/local/lib/qt4/mkspecs/unsupported/macx-c…
	928 qt4-4.8.7p23:x11/qt4,-main:/usr/local/lib/qt4/mkspecs/unsupported/macx-c…
	929 qt4-4.8.7p23:x11/qt4,-main:/usr/local/lib/qt4/mkspecs/unsupported/macx-c…
	930 qt4-4.8.7p23:x11/qt4,-main:/usr/local/lib/qt4/mkspecs/unsupported/macx-c…
	931 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	932 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	933 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	934 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	935 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	936 qtbase-5.13.2p0:x11/qt5/qtbase,-main:/usr/local/lib/qt5/mkspecs/linux-cl…
	937 </code></pre>
	938
	939 <p>As you can see, base sets are also in the database used by pkglocate,
	940 so you can easily find if a file is from a set (that you should
	941 have) or if the file comes from a package.</p>
	942
	943 <h2 id="findwhichpackageinstalledafile">Find which package installed a f…
	944
	945 <p>Klemmens Nanni (kn@) told me it’s possible to find which package
	946 installed a file present in the filesystem using <code>pkg_info</code> c…
	947 which comes from the base system. This can be handy to know from
	948 which package an installed file comes from, without requiring
	949 pkglocatedb.</p>
	950
	951 <pre><code>$ pkg_info -E /usr/local/bin/convert
	952 /usr/local/bin/convert: ImageMagick-6.9.10.86p0
	953 ImageMagick-6.9.10.86p0 image processing tools
	954 </code></pre>
	955
	956 <p>This tells me <code>convert</code> binary was installed by ImageMagic…
	957
	958 ]]>
	959 </description>
	960 <guid>https://dataswamp.org/~solene/2020-09-04-pkglocate-openbsd.html<…
	961 <link>https://dataswamp.org/~solene/2020-09-04-pkglocate-openbsd.html<…
	962 <pubDate>Fri, 04 Sep 2020 00:00:00 GMT</pubDate>
	963 </item>
	964 <item>
	965 <title>Download files listed in a http index with wget</title>
	966 <description>
	967 <![CDATA[
	968 <p>Sometimes I need to download files through http from a list on an &#8…
	969 page and it’s always painful to find a correct command for this.</…
	970
	971 <p>The easy solution is <strong>wget</strong> but you need to use the co…
	972 because wget has a lot of mirroring options but you only want specific o…
	973 achieve this goal.</p>
	974
	975 <p>I ended up with the following command:</p>
	976
	977 <pre><code>wget --continue --accept "*.tgz" --no-directories -…
	978 </code></pre>
	979
	980 <p>This will download every tgz files available at the address given as …
	981
	982 <p>The parameters given will filter to only download the <strong>tgz</st…
	983 files in the current working directory and most important, don’t t…
	984 to the parent directory to start downloading again. The `–continue…
	985 allow to interrupt wget and start again, downloaded file will be skipped…
	986 partially downloaded files will be completed.</p>
	987
	988 <p><strong>Do not reuse this command if files changed on the remote serv…
	989 continue feature only work if your local file and the remote file are th…
	990 this simply look at the local and remote names and will ask the remote s…
	991 to start downloading at the current byte range of your local file. If me…
	992 the remote file changed, you will have a mix of the old and new file.</p>
	993
	994 <p>Obviously ftp protocol would be better suited for this download job b…
	995 less and less available so I find <strong>wget</strong> to be a nice wor…
	996
	997 ]]>
	998 </description>
	999 <guid>https://dataswamp.org/~solene/2020-06-16-wget-mirror.html</guid>
	1000 <link>https://dataswamp.org/~solene/2020-06-16-wget-mirror.html</link>
	1001 <pubDate>Tue, 16 Jun 2020 00:00:00 GMT</pubDate>
	1002 </item>
	1003 <item>
	1004 <title>Birthdays dates management using calendar</title>
	1005 <description>
	1006 <![CDATA[
	1007 <p>I manage my birthday list so I don’t forget about them in a
	1008 <a href="https://man.openbsd.org/calendar.1">calendar</a> file so I can …
	1009 it in scripts</p>
	1010
	1011 <p>The calendar file format is easy but sadly it only works using
	1012 English month names.</p>
	1013
	1014 <p>This is an example file with differents spacing:</p>
	1015
	1016 <pre><code>7 August This is 7 august birthday!
	1017 8 August This is 8 august birthday!
	1018 16 August This is 16 august birthday!
	1019 </code></pre>
	1020
	1021 <p>Now you have a calendar file you can use the <strong>calendar</strong…
	1022 on it and show incoming events in the next n days using -A flag.</p>
	1023
	1024 <pre><code>calendar -A 20
	1025 </code></pre>
	1026
	1027 <p>Note that the default file is <code>~/.calendar/calendar</code> so if…
	1028 use this file you don’t need to use the <code>-f</code> flag in ca…
	1029
	1030 <p>Now, I also use it in crontab with xmessage to show a popup once a
	1031 day with incoming birthdays.</p>
	1032
	1033 <pre><code>30 13 * * * calendar -A 7 -f ~/.calendar/birthday \| grep . &…
	1034 </code></pre>
	1035
	1036 <p>You have to set the DISPLAY variable so it appear on the screen.</p>
	1037
	1038 <p>It’s important to check if calendar will have any output before
	1039 calling xmessage to prevent having an empty window.</p>
	1040
	1041 ]]>
	1042 </description>
	1043 <guid>https://dataswamp.org/~solene/2020-06-15-calendar-xmessage.html<…
	1044 <link>https://dataswamp.org/~solene/2020-06-15-calendar-xmessage.html<…
	1045 <pubDate>Mon, 15 Jun 2020 00:00:00 GMT</pubDate>
	1046 </item>
	1047 <item>
	1048 <title>prose - Blogging with emails</title>
	1049 <description>
	1050 <![CDATA[
	1051 <p>The software developer prx, his website is available at <a href="http…
	1052 (en/fr)</a>, released a new software called <strong>prose</strong> to
	1053 publish a blog by sending emails.</p>
	1054
	1055 <p>I really like this idea, while this doesn’t suit my needs at al…
	1056 I wanted to write about it.</p>
	1057
	1058 <p>The code can be downloaded from this address https://dev.ybad.name/pr…
	1059
	1060 <p>I will briefly introduce how it works but the README file is well exp…
	1061 prose must be started from the mail server, upon email receival in
	1062 <code>/etc/mail/aliases</code> the email will be piped into prose which …
	1063 html output.</p>
	1064
	1065 <p>On the security side, <strong>prose</strong> doesn’t use any ex…
	1066 it will use unveil and pledge features to reduce privileges of <strong>p…
	1067 unveil will restrict the process file system accesses outside of the html
	1068 output directory.</p>
	1069
	1070 <p>I would also congrats prx who demonstrates again that writing good so…
	1071 isn’t exclusive to IT professionnal.</p>
	1072
	1073 ]]>
	1074 </description>
	1075 <guid>https://dataswamp.org/~solene/2020-06-11-prose.html</guid>
	1076 <link>https://dataswamp.org/~solene/2020-06-11-prose.html</link>
	1077 <pubDate>Thu, 11 Jun 2020 00:00:00 GMT</pubDate>
	1078 </item>
	1079 <item>
	1080 <title>Gaming on OpenBSD</title>
	1081 <description>
	1082 <![CDATA[
	1083 <p>While no one would expect this, there are huge efforts from a small t…
	1084 bring more games into OpenBSD. In fact, now some commercial games works
	1085 natively now, thanks to Mono or Java. There are no wine or linux emulati…
	1086 layer in OpenBSD.</p>
	1087
	1088 <p>Here is a small list of most well known games that run on OpenBSD:</p>
	1089
	1090 <ul>
	1091 <li>Northguard (RTS)</li>
	1092 <li>Dead Cells (Side scroller action game)</li>
	1093 <li>Stardew Valley (Farming / Roguelike)</li>
	1094 <li>Slay The Spire (Card / Roguelike)</li>
	1095 <li>Axiom Verge (Side scroller, metroidvania)</li>
	1096 <li>Crosscode (top view twin stick shooter)</li>
	1097 <li>Terraria (Side scroller action game with craft)</li>
	1098 <li>Ion Fury (FPS)</li>
	1099 <li>Doom 3 (FPS)</li>
	1100 <li>Minecraft (Sandbox - not working using latest version)</li>
	1101 <li>Tales Of Maj’Eyal (Roguelike with lot of things in it - open s…
	1102 </ul>
	1103
	1104 <p>I would also like to feature the recently made compatible games from
	1105 Zachtronics developer, those are ingenious puzzles games requiring effic…
	1106 There are games involving Assembly code, pseudo code, molecules etc&#823…
	1107
	1108 <ul>
	1109 <li>Opus Magnum</li>
	1110 <li>Exapunks</li>
	1111 <li>Molek-Syntez</li>
	1112 </ul>
	1113
	1114 <p>Finally, there are good RPG running thanks to devoted developer spend…
	1115 free time working on game engine reimplementation:</p>
	1116
	1117 <ul>
	1118 <li>Elder Scroll III: Morrowind (openmw engine)</li>
	1119 <li>Baldur’s Gate 1 and 2 (gemrb engine)</li>
	1120 <li>Planescape: Torment (gemrb engine)</li>
	1121 </ul>
	1122
	1123 <p>There is a Peertube (opensource decentralized Youtube alternative) ch…
	1124 where I started publishing gaming videos recorded from OpenBSD. Now ther…
	1125 also videos from others people that are published. <a href="https://vide…
	1126 channel</a></p>
	1127
	1128 <p>The full list of running games is available in the <a href="https://p…
	1129 webpage</a> including information how they
	1130 run, on which store you can buy them and if they are compatible.</p>
	1131
	1132 <p>Big thanks to thfr@ who works hard to keep the shopping guide up to d…
	1133 who made most of this possible. Many thanks to all the other people in t…
	1134 OpenBSD Gaming community :)</p>
	1135
	1136 <p>Note that it seems last Terraria release/update doesn’t work on…
	1137
	1138 ]]>
	1139 </description>
	1140 <guid>https://dataswamp.org/~solene/2020-06-05-openbsd-gaming.html</gu…
	1141 <link>https://dataswamp.org/~solene/2020-06-05-openbsd-gaming.html</li…
	1142 <pubDate>Fri, 05 Jun 2020 00:00:00 GMT</pubDate>
	1143 </item>
	1144 <item>
	1145 <title>Beautiful background pictures on OpenBSD</title>
	1146 <description>
	1147 <![CDATA[
	1148 <p>While the title may appear quite strange, the article is about instal…
	1149 package to have a new random wallpaper everytime you start the X session…
	1150
	1151 <p>First, you need to install a package named <code>openbsd-backgrounds<…
	1152 large with a size of 144 MB. This package made by Marc Espie contains lo…
	1153 pictures shot by some OpenBSD developers.</p>
	1154
	1155 <p>You can automatically set a picture as a background when xenodm start…
	1156 prompt for your username by uncommenting a few lines in the file
	1157 <code>/etc/X11/xenodm/Xsetup_0</code>:</p>
	1158
	1159 <p>Uncomment this part</p>
	1160
	1161 <pre><code>if test -x /usr/local/bin/openbsd-wallpaper
	1162 then
	1163 /usr/local/bin/openbsd-wallpaper
	1164 fi
	1165 </code></pre>
	1166
	1167 <p>The command <code>openbsd-wallpaper</code> will display a different r…
	1168 every screen (if you have multiples screen connected) every time you run…
	1169
	1170 ]]>
	1171 </description>
	1172 <guid>https://dataswamp.org/~solene/2020-05-20-wallpapers.html</guid>
	1173 <link>https://dataswamp.org/~solene/2020-05-20-wallpapers.html</link>
	1174 <pubDate>Wed, 20 May 2020 00:00:00 GMT</pubDate>
	1175 </item>
	1176 <item>
	1177 <title>Communauté OpenBSD française</title>
	1178 <description>
	1179 <![CDATA[
	1180 <p>This article is exceptionnaly in French because it’s about a Fr…
	1181 community.</p>
	1182
	1183 <p>Bonjour à toutes et à tous.</p>
	1184
	1185 <p>Exceptionnellement je publie un billet en français sur mon blog car …
	1186 faire passer le mot concernant la communauté française obsd4a.</p>
	1187
	1188 <p>Vous pourrez par exemple trouver la quasi intégralité de la FAQ Ope…
	1189 traduite <a href="https://wiki.openbsd.fr.eu.org/doku.php/openbsd.org/fa…
	1190 adresse</a></p>
	1191
	1192 <p>Sur l’accueil du site vous pourrez trouver des liens vers le fo…
	1193 blog, la mailing list et aussi les informations pour rejoindre le salon …
	1194 (#obsd4* sur freenode)</p>
	1195
	1196 <p><a href="https://openbsd.fr.eu.org/">https://openbsd.fr.eu.org/</a></…
	1197
	1198 ]]>
	1199 </description>
	1200 <guid>https://dataswamp.org/~solene/2020-05-17-openbsdfr.html</guid>
	1201 <link>https://dataswamp.org/~solene/2020-05-17-openbsdfr.html</link>
	1202 <pubDate>Sun, 17 May 2020 00:00:00 GMT</pubDate>
	1203 </item>
	1204 <item>
	1205 <title>New blog feature: Fediverse comments</title>
	1206 <description>
	1207 <![CDATA[
	1208 <p>I added a new feature to my blog today, when I post a new blog articl…
	1209 will trigger my dedicated Mastodon user
	1210 <a href="https://bsd.network/@solenepercent">https://bsd.network/@solene…
	1211 publish a Toot so people can discuss the content there.</p>
	1212
	1213 <p>Every article now contains a link to the toot if you want to discuss …
	1214 article.</p>
	1215
	1216 <p>This is not perfect but a good trade-off I think:</p>
	1217
	1218 <ol>
	1219 <li>the website remains static and light (nothing is included, only one …
	1220 link per blog post)</li>
	1221 <li>people who would like to discuss about it can proceed in a known pla…
	1222 instead of writing reactions on reddit or other places without a chance…
	1223 me to asnwer</li>
	1224 <li>this is not relying on proprietary services</li>
	1225 </ol>
	1226
	1227 <p>Of course, if you want to give me feedback, I’m still happy to …
	1228 or on IRC.</p>
	1229
	1230 ]]>
	1231 </description>
	1232 <guid>https://dataswamp.org/~solene/2020-05-16-fediverse-comments.html…
	1233 <link>https://dataswamp.org/~solene/2020-05-16-fediverse-comments.html…
	1234 <pubDate>Sat, 16 May 2020 00:00:00 GMT</pubDate>
	1235 </item>
	1236 <item>
	1237 <title>FreeBSD 12.1 on a laptop</title>
	1238 <description>
	1239 <![CDATA[
	1240 <h1 id="introduction">Introduction</h1>
	1241
	1242 <p>I’m using FreeBSD again on a laptop for some reasons so expect …
	1243 about FreeBSD here. This tutorial explain how to get a graphical desktop…
	1244 FreeBSD 12.1.</p>
	1245
	1246 <p>I used a Lenovo Thinkpad T480 for this tutorial.</p>
	1247
	1248 <h1 id="intelgraphicshardwaresupport">Intel graphics hardware support</h…
	1249
	1250 <p>If you have a recent Intel integrated graphic card (maybe less than 3…
	1251 you have to install a package containing the driver:</p>
	1252
	1253 <pre><code>pkg install drm-kmod
	1254 </code></pre>
	1255
	1256 <p>and you also have to tell the system the correct path of the module (…
	1257 another i915kms.ko file exist):</p>
	1258
	1259 <pre><code>sysrc kld_list="/boot/modules/i915kms.ko"
	1260 </code></pre>
	1261
	1262 <h1 id="chooseyourdesktopenvironnement">Choose your desktop environnemen…
	1263
	1264 <h2 id="installxfce">Install Xfce</h2>
	1265
	1266 <pre><code>pkg install xfce
	1267 </code></pre>
	1268
	1269 <p>Then in your user <code>~/.xsession</code> file you must append:</p>
	1270
	1271 <pre><code>exec ck-launch-session startxfce4
	1272 </code></pre>
	1273
	1274 <h2 id="installmate">Install MATE</h2>
	1275
	1276 <pre><code>pkg install mate
	1277 </code></pre>
	1278
	1279 <p>Then in your user <code>~/.xsession</code> file you must append:</p>
	1280
	1281 <pre><code>exec ck-launch-session mate-session
	1282 </code></pre>
	1283
	1284 <h2 id="installkde5">Install KDE5</h2>
	1285
	1286 <pre><code>pkg install kde5
	1287 </code></pre>
	1288
	1289 <p>Then in your user <code>~/.xsession</code> file you must append:</p>
	1290
	1291 <pre><code>exec ck-launch-session startplasma-x11
	1292 </code></pre>
	1293
	1294 <h1 id="settingupthegraphicalinterface">Setting up the graphical interfa…
	1295
	1296 <p>You have to enable a few services to have a working graphical session…
	1297
	1298 <ul>
	1299 <li><strong>moused</strong> to get laptop mouse support</li>
	1300 <li><strong>dbus</strong> for hald</li>
	1301 <li><strong>hald</strong> for hardware detection</li>
	1302 <li><strong>xdm</strong> for display manager where you log-in</li>
	1303 </ul>
	1304
	1305 <p>You can install them with the command:</p>
	1306
	1307 <pre><code>pkg install xorg dbus hal xdm
	1308 </code></pre>
	1309
	1310 <p>Then you can enable the services at boot using the following commands…
	1311 important:</p>
	1312
	1313 <pre><code>sysrc moused_enable="yes"
	1314 sysrc dbus_enable="yes"
	1315 sysrc hald_enable="yes"
	1316 sysrc xdm_enable="yes"
	1317 </code></pre>
	1318
	1319 <p>Reboot or start the services in the same order:</p>
	1320
	1321 <pre><code>service moused start
	1322 service dbus start
	1323 service hald start
	1324 service xdm start
	1325 </code></pre>
	1326
	1327 <p><strong>Note that xdm will be in qwerty layout.</strong></p>
	1328
	1329 <h1 id="powermanagement">Power management</h1>
	1330
	1331 <p>The installer should have prompted for the service powerd, if you did…
	1332 activate it at this time, you can still enable it.</p>
	1333
	1334 <p>Check if it’s running</p>
	1335
	1336 <pre><code>service powerd status
	1337 </code></pre>
	1338
	1339 <p>Enabling</p>
	1340
	1341 <pre><code>sysrc powerd_enable="yes"
	1342 </code></pre>
	1343
	1344 <p>Starting the service</p>
	1345
	1346 <pre><code>service powerd start
	1347 </code></pre>
	1348
	1349 <h1 id="webcamsupport">Webcam support</h1>
	1350
	1351 <p>If you have a webcam and want to use it, some configuration is requir…
	1352 order to make it work.</p>
	1353
	1354 <p>Install the package webcamd, it will displays all the instructions wr…
	1355 below at the install step.</p>
	1356
	1357 <pre><code>pkg install webcamd
	1358 </code></pre>
	1359
	1360 <p>From here, append this line to the file <code>/boot/loader.conf</code…
	1361 support at boot time:</p>
	1362
	1363 <pre><code>cuse_load="yes"
	1364 </code></pre>
	1365
	1366 <p>Add your user to the webcamd group so it will be able to use the devi…
	1367
	1368 <pre><code>pw groupmod webcamd -m YOUR_USER
	1369 </code></pre>
	1370
	1371 <p>Enable webcamd at boot:</p>
	1372
	1373 <pre><code>sysrc webcamd_enable="yes"
	1374 </code></pre>
	1375
	1376 <p>Now, you have to logout from your user for the group change to take p…
	1377 if you want the webcamd daemon to work now and not wait next reboot:</p>
	1378
	1379 <pre><code>kldload cuse
	1380 service webcamd start
	1381 service devd restart
	1382 </code></pre>
	1383
	1384 <p>You should have a /dev/video0 device now. You can test it easily with…
	1385 package <code>pwcview</code>.</p>
	1386
	1387 <h1 id="externalresources">External resources</h1>
	1388
	1389 <p>I found this blog very interesting, I wish I found it before I strugg…
	1390 all the configuration as it explains how to install FreeBSD on the exact…
	1391 laptop. The author explains how to make a transparent lagg0 interface for
	1392 switching from ethernet to wifi automatically with a failover pseudo dev…
	1393
	1394 <p><a href="https://genneko.github.io/playing-with-bsd/hardware/freebsd-…
	1395
	1396 ]]>
	1397 </description>
	1398 <guid>https://dataswamp.org/~solene/2020-05-11-freebsd-workstation.htm…
	1399 <link>https://dataswamp.org/~solene/2020-05-11-freebsd-workstation.htm…
	1400 <pubDate>Mon, 11 May 2020 00:00:00 GMT</pubDate>
	1401 </item>
	1402 <item>
	1403 <title>Enable firefox dark mode</title>
	1404 <description>
	1405 <![CDATA[
	1406 <p>Some websites (like this one) now offers two differents themes: light…
	1407
	1408 <p>Dark themes are proven to be better for the eyes and reduce battery u…
	1409 mobiles devices because it requires less light to be displayed hence it
	1410 requires less energy to display. The gain is optimal on OLED devices but…
	1411 also works on classic LCD screens.</p>
	1412
	1413 <p>While on Windows and MacOS there is a global setting for the user int…
	1414 which you choose if your system is in light or dark mode, with that sett…
	1415 being used by lot of applications supporting dark/light themes, on Linux…
	1416 BSDs (and others) operating systems there is no such settings and your w…
	1417 browser will keep displaying the light theme all the time.</p>
	1418
	1419 <p>Hopefully, it can be fixed in firefox as <a href="https://developer.m…
	1420 documentation</a>.</p>
	1421
	1422 <p>To make it short, in the about:config special Firefox page, one can c…
	1423 new key <code>ui.systemUsesDarkTheme</code> with a number value of <code…
	1424 about:config page should turn dark immediately and then Firefox will try…
	1425 dark themes when they are available.</p>
	1426
	1427 <p>You should note that as explained in the mozilla documentation, if yo…
	1428 key <code>privacy.resistFingerprinting</code> set to <code>true</code> t…
	1429 It seems dark mode and privacy can’t belong together for some reas…
	1430
	1431 <p>Many thanks to <a href="https://tilde.zone/@andinus">https://tilde.zo…
	1432 pointed me this out after I overlooked that page and searched a long tim…
	1433 no result how to make Firefox display website using the dark theme.</p>
	1434
	1435 ]]>
	1436 </description>
	1437 <guid>https://dataswamp.org/~solene/2020-05-04-firefox-dark.html</guid>
	1438 <link>https://dataswamp.org/~solene/2020-05-04-firefox-dark.html</link>
	1439 <pubDate>Mon, 04 May 2020 00:00:00 GMT</pubDate>
	1440 </item>
	1441 <item>
	1442 <title>Aggregate internet links with mlvpn</title>
	1443 <description>
	1444 <![CDATA[
	1445 <p>In this article I’ll explain how to aggregate internet access b…
	1446 <strong>mlvpn</strong> software. I struggled a lot to set this up so I w…
	1447 how-to.</p>
	1448
	1449 <h2 id="pre-requisites">Pre-requisites</h2>
	1450
	1451 <p><strong>mlvpn</strong> is meant to be used with DSL / fiber links, no…
	1452 with variable bandwidth or packet loss.</p>
	1453
	1454 <p><strong>mlvpn</strong> requires to be run on a server which will be t…
	1455 access and on the client on which you want to aggregate the links, this …
	1456 doing multiples VPN to the same remote server with a VPN per link, and
	1457 aggregate them.</p>
	1458
	1459 <p>Multi-wan roundrobin / load balancer doesn’t allow to stack ban…
	1460 doesn’t require a remote server, depend on what you want to do, th…
	1461 enough and mlvpn may not be required.</p>
	1462
	1463 <p><strong>mlvpn</strong> should be OS agnostic between client / server …
	1464 between two OpenBSD hosts, your setup may differ.</p>
	1465
	1466 <h2 id="somenetworkdiagram">Some network diagram</h2>
	1467
	1468 <p>Here is a simple network, the client has access to 2 ISP through two …
	1469 interfaces.</p>
	1470
	1471 <p>em0 and em1 will have to be on different rdomains (it’s a featu…
	1472 routing tables).</p>
	1473
	1474 <p>Let’s say the public ip of the server is 1.2.3.4.</p>
	1475
	1476 <pre><code> [internet]
	1477 ↑
	1478 \| (public ip on em0)
	1479 #-------------#
	1480 \| \|
	1481 \| Server \|
	1482 \| \|
	1483 #-------------#
	1484 \| \|
	1485 \| \|
	1486 \| \|
	1487 \| \|
	1488 (internet) \| \| (internet)
	1489 #-------------# #-------------#
	1490 \| \| \| \|
	1491 \| ISP 1 \| \| ISP 2 \|
	1492 \| \| \| \| (you certainly don't control thos…
	1493 #-------------# #-------------#
	1494 \| \|
	1495 \| \|
	1496 (dsl1 via em0)\| \| (dsl1 via em1)
	1497 #-------------#
	1498 \| \|
	1499 \| Client \|
	1500 \| \|
	1501 #-------------#
	1502 </code></pre>
	1503
	1504 <h2 id="networkconfiguration">Network configuration</h2>
	1505
	1506 <p>As said previously, em0 and em1 must be on different rdomains, it can…
	1507 done by adding <code>rdomain 1</code> and <code>rdomain 2</code> to the …
	1508
	1509 <p>Example in <strong>/etc/hostname.em0</strong></p>
	1510
	1511 <pre><code>rdomain 1
	1512 dhcp
	1513 </code></pre>
	1514
	1515 <h2 id="mlvpninstallation">mlvpn installation</h2>
	1516
	1517 <p>On OpenBSD the installation is as easy as <code>pkg_add mlvpn</code> …
	1518 from 6.7 because it required patching).</p>
	1519
	1520 <h2 id="mlvpnconfiguration">mlvpn configuration</h2>
	1521
	1522 <p>Once the network configuration is done on the client, there are 3 ste…
	1523 to get aggregation working:</p>
	1524
	1525 <ol>
	1526 <li>mlvpn configuration on the server</li>
	1527 <li>mlvpn configuration on the client</li>
	1528 <li>activating NAT on the client</li>
	1529 </ol>
	1530
	1531 <h3 id="serverconfiguration">Server configuration</h3>
	1532
	1533 <p>On the server we will use the UDP ports 5080 et 5081.</p>
	1534
	1535 <p>Connections speed must be defined in bytes to allow <strong>mlvpn</st…
	1536 balance the traffic over the links, this is really important.</p>
	1537
	1538 <p>The line <code>bandwidth_upload = 1468006</code> is the maximum <stro…
	1539 client</strong> on the specified link in bytes. If you have a download s…
	1540 then you can choose a value of 1.410241024 => 1468006.</p>
	1541
	1542 <p>The line <code>bandwidth_download = 102400</code> is the maximum <str…
	1543 client</strong> on the specified link in bytes. If you have an upload sp…
	1544 then you can choose a value of 100*1024 => 102400.</p>
	1545
	1546 <p>The <strong>password</strong> line must be a very long random string,…
	1547 between the client and the server.</p>
	1548
	1549 <pre><code># config you don't need to change
	1550 [general]
	1551 statuscommand = "/etc/mlvpn/mlvpn_updown.sh"
	1552 protocol = "tcp"
	1553 loglevel = 4
	1554 mode = "server"
	1555 tuntap = "tun"
	1556 interface_name = "tun0"
	1557 cleartext_data = 0
	1558 ip4 = "10.44.43.2/30"
	1559 ip4_gateway = "10.44.43.1"
	1560
	1561 # things you need to change
	1562 password = "apoziecxjvpoxkvpzeoirjdskpoezroizepzdlpojfoiezjrzanzaoi…
	1563
	1564 [dsl1]
	1565 bindhost = "1.2.3.4"
	1566 bindport = 5080
	1567 bandwidth_upload = 1468006
	1568 bandwidth_download = 102400
	1569
	1570 [dsl2]
	1571 bindhost = "1.2.3.4"
	1572 bindport = 5081
	1573 bandwidth_upload = 1468006
	1574 bandwidth_download = 102400
	1575 </code></pre>
	1576
	1577 <h3 id="clientconfiguration">Client configuration</h3>
	1578
	1579 <p>The <code>password</code> value must match the one on the server, the…
	1580 <code>ip4_gateway</code> must be reversed compared to the server configu…
	1581 in the following example).</p>
	1582
	1583 <p>The <code>bindfib</code> lines must correspond to the according rdoma…
	1584 interfaces.</p>
	1585
	1586 <pre><code># config you don't need to change
	1587 [general]
	1588 statuscommand = "/etc/mlvpn/mlvpn_updown.sh"
	1589 loglevel = 4
	1590 mode = "client"
	1591 tuntap = "tun"
	1592 interface_name = "tun0"
	1593 ip4 = "10.44.43.1/30"
	1594 ip4_gateway = "10.44.43.2"
	1595 timeout = 30
	1596 cleartext_data = 0
	1597
	1598 password = "apoziecxjvpoxkvpzeoirjdskpoezroizepzdlpojfoiezjrzanzaoi…
	1599
	1600 [dsl1]
	1601 remotehost = "1.2.3.4"
	1602 remoteport = 5080
	1603 bindfib = 1
	1604
	1605 [dsl2]
	1606 remotehost = "1.2.3.4"
	1607 remoteport = 5081
	1608 bindfib = 2
	1609 </code></pre>
	1610
	1611 <h3 id="natconfigurationserverside">NAT configuration (server side)</h3>
	1612
	1613 <p>As with every VPN you must enable packet forwarding and create a pf r…
	1614 the NAT.</p>
	1615
	1616 <p><strong>Enable forwarding</strong></p>
	1617
	1618 <p>Add this line in <strong>/etc/sysctl.conf</strong>:</p>
	1619
	1620 <pre><code>net.inet.ip.forwarding=1
	1621 </code></pre>
	1622
	1623 <p>You can enable it now with <code>sysctl net.inet.ip.forwarding=1</cod…
	1624 for a reboot.</p>
	1625
	1626 <p>In pf.conf you must allow the UDP ports 5080 and 5081 on the public i…
	1627 and enable nat, this can be done with the following lines in pf.conf but…
	1628 should obviously adapt to your configuration.</p>
	1629
	1630 <pre><code># allow NAT on VPN
	1631 pass in on tun0
	1632 pass out quick on em0 from 10.44.43.0/30 to any nat-to em0
	1633
	1634 # allow mlvpn to be reachable
	1635 pass in on egress inet proto udp from any to (egress) port 5080:5081
	1636 </code></pre>
	1637
	1638 <h2 id="startmlvpn">Start mlvpn</h2>
	1639
	1640 <p>On both server and client you can run mlvpn with rcctl:</p>
	1641
	1642 <pre><code>rcctl enable mlvpn
	1643 rcctl start mlvpn
	1644 </code></pre>
	1645
	1646 <p>You should see a new tun0 device on both systems and being able to pi…
	1647 through tun0.</p>
	1648
	1649 <p>Now, on the client <strong>you have to add a default gateway through …
	1650 tunnel</strong> with the command <code>route add -net default 10.44.43.2…
	1651 use others addresses). I still didn’t find how to automatize it pr…
	1652
	1653 <p>Your client should now use both WAN links and being visible with the …
	1654 server public IP address.</p>
	1655
	1656 <p><strong>mlvpn</strong> can be used for more links, you only need to a…
	1657 <strong>mlvpn</strong> also support IPv6 but I didn’t take time to…
	1658 si if you are comfortable with ipv6 it may be easy to set up IPv6 with t…
	1659 variables <code>ip6</code> and <code>ip6_gateway</code> in mlvpn.conf.</…
	1660
	1661 ]]>
	1662 </description>
	1663 <guid>https://dataswamp.org/~solene/2020-03-28-mlvpn.html</guid>
	1664 <link>https://dataswamp.org/~solene/2020-03-28-mlvpn.html</link>
	1665 <pubDate>Sat, 28 Mar 2020 00:00:00 GMT</pubDate>
	1666 </item>
	1667 <item>
	1668 <title>OpenBSD -current - Frequent asked questions</title>
	1669 <description>
	1670 <![CDATA[
	1671 <p>Hello, as there are so many questions about OpenBSD -current on IRC, …
	1672 or reddit I’m writing this FAQ in hope it will help people.</p>
	1673
	1674 <p>The official FAQ already contains answers about -current like <a href…
	1675 -current and using snapshots</a> and
	1676 <a href="https://www.openbsd.org/faq/faq5.html#Flavors">Building the sys…
	1677 sources</a>.</p>
	1678
	1679 <h2 id="whatisopenbsd-current">What is OpenBSD -current?</h2>
	1680
	1681 <p>OpenBSD -current is the development version of OpenBSD. Lot of people…
	1682 for everyday tasks.</p>
	1683
	1684 <h2 id="howtoinstallopenbsd-current">How to install OpenBSD -current?</h…
	1685
	1686 <p>OpenBSD -current refers to the last version built from sources obtain…
	1687 CVS, however, it’s also possible to get a pre-built system (a snap…
	1688 built and pushed on mirrors every 1 or 2 days.</p>
	1689
	1690 <p>You can install OpenBSD -current by getting an installation media lik…
	1691 but on the path /pub/OpenBSD/snapshots/ on the mirror.</p>
	1692
	1693 <h2 id="howdoiupgradefrom-releaseto-current">How do I upgrade from -rele…
	1694
	1695 <p>There are two ways to do so:</p>
	1696
	1697 <ol>
	1698 <li>Download bsd.rd file from the snapshots directory and boot it to upg…
	1699 like for a -release to -release upgrade</li>
	1700 <li>Run <code>sysupgrade -s</code> command as root, this will basically …
	1701 under <code>/home/_sysupgrade</code> and boot on bsd.rd with an <code>a…
	1702 config.</li>
	1703 </ol>
	1704
	1705 <h2 id="howdoiupgrademy-currentsnapshottoanewersnapshot">How do I upgrad…
	1706
	1707 <p>Exactly the same process as going from -release to -current.</p>
	1708
	1709 <h2 id="canidowngradetoa-releaseifiswitchto-current">Can I downgrade to …
	1710
	1711 <p>No.</p>
	1712
	1713 <h2 id="whatissuescaniexpectinopenbsd-current">What issues can I expect …
	1714
	1715 <p>There are a few issues possibles that one can expect</p>
	1716
	1717 <h3 id="outofsyncpackages">Out of sync packages</h3>
	1718
	1719 <p>If a library get updated into the base system and you want to update …
	1720 they won’t be installable until packages are rebuilt with that new…
	1721 this usually takes 1 up to 3 days.</p>
	1722
	1723 <p><strong>This only create issues in case you want to install a package…
	1724
	1725 <p>The other way around, you can have an old snapshot and packages are n…
	1726 installable because the libraries linked to by the packages are newer th…
	1727 is available in your system, in this case you have to upgrade snapshot. …
	1728
	1729 <h3 id="snapshotssetsaregettingupdatedonthemirror">Snapshots sets are ge…
	1730
	1731 <p>If you download the sets on the mirror to update your -current versio…
	1732 have an issue with the sha256 sum, this is because the mirror is getting
	1733 updated and the sha256 file is the first to be transferred, so sets you …
	1734 downloading are not the one the sha256 will compare.</p>
	1735
	1736 <h3 id="unexpectedsystembreakage">Unexpected system breakage</h3>
	1737
	1738 <p>Sometimes, very rarely (maybe 2 or 3 time in a year?), some snapshots…
	1739 borked and will prevent system to boot or lead to regularly crashes. In …
	1740 case, it’s important to report the issue with the <code>sendbug</c…
	1741
	1742 <p>You can fix this by using an older snapshot from <a href="http://ftp.…
	1743 server</a> and prevent this to happen by
	1744 reading bugs@ mailing list before updating.</p>
	1745
	1746 <h3 id="brokenpackage">Broken package</h3>
	1747
	1748 <p>Sometimes, a package update will break it or break some others packag…
	1749 is often quickly fixed on popular packages but in some niche packages yo…
	1750 be the only one using it on -current and the only one who can report abo…
	1751
	1752 <p>If you find breakage on something you use, it may be a good idea to r…
	1753 problem on [email protected] mailing list if nobody did before. By doing…
	1754 the issue will be fixed and next -release users will be able to install a
	1755 working package.</p>
	1756
	1757 <h2 id="is-currentstableenoughforaserveroraworkstation">Is -current stab…
	1758
	1759 <p>It’s really up to you. Developers are all using -current and ar…
	1760 break it, so the system should totally be usable for everyday use.</p>
	1761
	1762 <p>What may be complicated on a server is keep updating it regularly and…
	1763 issues requires troubleshooting (like major database upgrade which was m…
	1764 a quirk).</p>
	1765
	1766 <p>For a workstation I think it’s pretty safe as long as you can d…
	1767 packages that can’t be installed until they are in sync.</p>
	1768
	1769 ]]>
	1770 </description>
	1771 <guid>https://dataswamp.org/~solene/2020-03-27-openbsd-current.html</g…
	1772 <link>https://dataswamp.org/~solene/2020-03-27-openbsd-current.html</l…
	1773 <pubDate>Fri, 27 Mar 2020 00:00:00 GMT</pubDate>
	1774 </item>
	1775
	1776 </channel>
	1777 </rss>