read only system file systems for jail

Chad Leigh -- Shire.Net LLC chad at
Tue May 11 22:31:46 PDT 2004

Hi All

I am playing around on 5.2-CURRENT and am setting up a system to run 
various programs inside of jails.  Including allowing the users to ssh 
in etc.

Is there a fundamental problem of having the following all be read-only 
file systems, with the noted exceptions?


note:  /usr/local would not be readonly and /var/tmp would not be 

It seems to work in my test jails but I was wondering about hidden 
problems or non obvious problems.

note that users are not allowed root privilege and hence are not 
installing stuff into any of these hierarchies and no /usr/ports


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