Date: Thu, 04 Oct 2007 10:17:02 +0200 From: Kim Attree <kim.attree@za.verizonbusiness.com> To: d@delphij.net Cc: Tom Evans <tevans.uk@googlemail.com>, freebsd-jail@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Cannot ssh from jail Message-ID: <4704A17E.6030703@za.verizonbusiness.com> In-Reply-To: <4703CA06.7050103@delphij.net> References: <1191428709.1475.26.camel@localhost> <4703CA06.7050103@delphij.net>
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LI Xin wrote: > Tom Evans wrote: > >> Hi stable@, jail@ [jail@ plz cc me as I'm not subscribed] >> >> I'm having some problems setting up some jails for semi-isolated >> development (ie, so we can isolate the developers into a jail, give them >> all the root access they want, and not worry about them blowing up more >> than their own jail) on 6.2-RELEASE-p5. >> >> I have set up a jail, using ezjail, which appeared to work fine. I can >> start the jail, and use jexec to spawn a shell inside the jail. However, >> if I then try to ssh from the jail to another box, ssh fails with the >> error message (with -v): >> > > I think the problem is that if you jexec into a jail then you don't have > a TTY at hand, so bad things would happen. If you login into the jail > by some ways (e.g. by ssh or telnet or whatever that spawns a TTY for > you) then it would work I bet. > > Cheers, > I had the same problem, setup SSHD in the jail, ssh'ed into that, and then from there got a TTY and could ssh to anywhere. Li is right, with jexec you don't get allocated a TTY. Laters, Kim
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