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SYSCTL.CONF(5) File Formats Manual SYSCTL.CONF(5)

NAME

sysctl.confsysctl variables to set at system startup

DESCRIPTION

sysctl.conf contains a list of sysctl(8) variable assignments that is read at system startup by rc(8) early on in the boot sequence.
The file is made up of sysctl(8) variable assignments (variable=value) with comments designated by a hash mark (‘#’).

FILES

/etc/sysctl.conf
 

EXAMPLES

To turn on IP forwarding, one would use the following line:
net.inet.ip.forwarding=1
To cause the kernel to reboot on a panic, instead of dropping into the debugger, the following can be used:
ddb.panic=0

SEE ALSO

rc(8), sysctl(8)

HISTORY

A sysctl.conf file first appeared in OpenBSD 2.3.
May 31, 2007 OpenBSD-current