FreeBSD Jails
From Wiki³
:: install a jail cd /usr/src buildjail installjail /usr/jail/10_dev/ sudo /etc/rc.d/jail restart :: upgrade a jail cd /usr/src buildjail sudo mergemaster -piU -D /usr/jail/10_dev/ installjail /usr/jail/10_dev/ sudo mergemaster -iU -D /usr/jail/10_dev/ sudo /etc/rc.d/jail restart ## .cshrc aliases ## alias buildjail '/usr/bin/time -a -h -o ~/buildjail.benchmark make buildworld SRCCONF=/home/k/dotfiles/etc/jail-src.conf' alias installjail 'sudo make installworld DESTDIR=\!:1 SRCCONF=/home/k/dotfiles/etc/jail-src.conf'