Jails V2, VIMAGE, and integration in the base system

Fbsd8 fbsd8 at a1poweruser.com
Sat Feb 4 00:44:08 UTC 2012

Hugo Silva wrote:
> Hello,
> I didn't find much about jails v2 + epair + vimage on google; The 
> FreeBSD wiki pages concerning this subject seem fairly outdated (that or 
> not much has happened in 3 years), and the manpages don't mention much 
> about vimage/vnet.
> According to http://ivoras.net/freebsd/freebsd8.html it should be in 
> FreeBSD 8.0 (VIMAGE, Jails v2), and maybe it is, but if it's not 
> integrated in the base system and information/documentarion is scarse, 
> few will use it.
> Found this: http://www.freebsd.org/cgi/query-pr.cgi?pr=142972 - nearly 2 
> years old.
> My question is, how wise would it be to attempt to use these features in 
> production? IMO this is very interesting stuff, having these things 
> integrated would be a worthy addition to FreeBSD.
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Yes VIMAGE & Jails are part of the 8.x releases. Jail is in the base 
release in its manual form and you have to recompile the kernel to 
enable VIMAGE which is labeled experimental. Jails are used in many 
production environments managed by the sysutil/qjail port but use VIMAGE 
at your own risk. Have no info on epair.

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