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1Virtualization is the way to go; chroot only provides very limited security (no restriction on network, CPU or memory usage). I don't know what virtualization options are available out-of-the-box on CentOS .Gilles 'SO- stop being evil'– Gilles 'SO- stop being evil'2011-12-17 22:25:40 +00:00Commented Dec 17, 2011 at 22:25
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For limiting memory / cpu usage, maybe look into PAM limits settings. Also, screen can contain any shell and run any command, so are you saying you only want the user to be able to run a persistent irssi instance?jw013– jw0132011-12-21 02:32:24 +00:00Commented Dec 21, 2011 at 2:32
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@jw013 not exactly, I just want to restrict the user to use only the commands I provide, the example of screen and irssi - so that they couldn't self compile programs and such, and that they don't over use the resources of the computer.Maverick– Maverick2011-12-23 11:36:08 +00:00Commented Dec 23, 2011 at 11:36
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