Installing a DragonFly BSD Jail

I'm installing a jail on a freshly upgraded DragonFly BSD 2.13-DEVELOPMENT box. There's instructions in the DragonFly manual, and on the Web site. They're fine as far as they go, but to make the jail truly useful you need to do a little more.

Before starting, decide some important facts about your jail.

Root directory for the jail filesystemIP address used by the jailhostname of your jail

My jail hostname will be mwltest4, on the IP 192.0.2.9, in the directory /jail/mwltest4.

A jail requires...