OpenBSD

@OpenBSD

List PCI devices


::

pcidump -v

Install package


::

pkg_add <package>

Add an IP alias to a network interface


::

ifconfig carp0 inet alias 192.0.1.2 netmask 255.255.255.255

Delete an IP alias

::

ifconfig carp0 delete 192.0.1.2

Download ports

::

cd /usr
cvs get ports

USB snapshots

::

dd if=install*.fs of=/dev/sd1c bs=1m

Securelevels


Edit /etc/rc.securelevel or `sysctl kern.securelevel`

Building from source


See `man 8 release`