\" $NetBSD: sysctl.conf.5,v 1.3 2009/05/13 22:57:34 wiz Exp $
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Dd October 4, 2007
Dt SYSCTL.CONF 5
Os
Sh NAME
Nm sysctl.conf
Nd sysctl configuration file
Sh SYNOPSIS
Nm
Sh DESCRIPTION
The
Nm
file defines the
Xr sysctl 7
kernel state tunables that can be set at boot time using
Xr sysctl 8
(using the
Fl f
switch)
via the
Pa /etc/rc.d/sysctl
startup script.
Pp
The state to be set is described using a
Dq Management Information Base
Pq Dq MIB
style name.
The MIB and value must be separated by
Sq =
with no whitespace, for example:
Pp
Ar name Ns Li = Ns Ar value
Pp
Blank lines, lines with just
Ar name ,
and comments (beginning with
Sq # )
are ignored.
Line continuations using backslash
Sq \e
are permitted.
Only integral and string values can be set.
\"
Sh FILES
Bl -tag -width /etc/sysctl.conf -compact
It Pa /etc/sysctl.conf
The file
Nm
resides in
Pa /etc .
El
Sh EXAMPLES
The following is an example
Pa /etc/sysctl.conf
file:
Pp
Bd -literal
# Change max open files
kern.maxfiles=1792
# Run Veriexec in IDS mode
kern.veriexec.strict=1
# Enable IP packet forwarding
net.inet.ip.forwarding=1
Ed
Sh SEE ALSO
Xr sysctl 3 ,
Xr rc.conf 5 ,
Xr sysctl 7 ,
Xr sysctl 8
Sh HISTORY
Support for
Nm
first appeared in
Nx 1.5 .
