On Thu, 22 Dec 2011, Bjoern A. Zeeb wrote: > > On 22. Dec 2011, at 14:03 , Dan The Man wrote: > >> >> >> http://www.freebsd.org/relnotes/CURRENT/relnotes/new.html#USERLAND >> jexec(8) now supports -h hostname option to specify the jail where the command will be executed. >> > > Oh wow. That's all but current. > > >> >> When was this added? I don't see it functioning: > > 3 years 6 months ago and it was shortly afterwards removed again as neither > a) the hostname not b) the ip addresses needed to be unique anymore with > multi-IP jails (a) not even before that). The suggested replacement was > -n to name the jails yourself. I think the uniqueness limit has since been > removed on that as well but the option has stayed and by default is the > jail ID these days and it's name=<..> in the modern syntax. > > /bz > > -- > Bjoern A. Zeeb You have to have visions! > Stop bit received. Insert coin for new address family. > > Yeah, seems problematic, from what I have seen so far everytime you stop and restart the jail it gets a different jail ID, which would make it difficult to cron anything to execute in the jail. I can't seem to get jexec to take anything but jail id. Came up with a temporary type solution assuming you have only 1 jail: JAILID=`/usr/sbin/jls -n name|cut -d '=' -f 2`; /usr/sbin/jexec $JAILID command I can see this being problematic for a long term/portable solution. Dan. -- Dan The Man CTO/ Senior System Administrator Websites, Domains and Everything else http://www.SunSaturn.com Email: Dan_at_SunSaturn.comReceived on Thu Dec 22 2011 - 15:03:44 UTC
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