Date: Fri, 27 Jun 2003 12:49:29 -0700 From: Joshua Oreman <oremanj@webserver.get-linux.org> To: Josh Brooks <user@mail.econolodgetulsa.com> Cc: hackers@freebsd.org Subject: Re: setting up max ptys under 5.x Message-ID: <20030627194929.GA38801@webserver.get-linux.org> In-Reply-To: <20030627122647.J57224-100000@mail.econolodgetulsa.com> References: <20030627180818.GA37888@webserver.get-linux.org> <20030627122647.J57224-100000@mail.econolodgetulsa.com>
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On Fri, Jun 27, 2003 at 12:29:41PM -0700 or thereabouts, Josh Brooks wrote: > > > On Fri, 27 Jun 2003, Joshua Oreman wrote: > > > > maxusers to 512 ... any new toggles I should know of to be able to use max > > > ptys on the system, or can I just follow whatever directions I hope to > > > receive regarding creating the devices ? > > > > 5.x creates the devices automatically. So if you have 256 users, you'll have 256 > > ptys. If you have 0 users, you'll have 0 ptys. maxusers has no effect, setting > > it to 512 does seem a bit high... > > Thank you - that is nice to know. I have a related question - does this > apply inside of jails as well ? I remember some testing on 4.x I was > doing with 16 jails, and even though I had 256 pty /dev nodes, if the /dev > inside the jail only had 32 of them (the default) then the jail users > would start getting denied logins and running out of ptys generally. > > This happened even tho the underlying fbsd system had all 256 ptys - the > only way to solve it was to create all 256 ptys in the /dev of _the jail_ > as well. > > How will this work in 5.x - will it be automatic for everyone, or should I > perhaps mount a devfs for each jail ?/? Devfs manages the ptys, so you will have to mount a devfs in the jail. I would suggest using devd to prevent the more "sensitive" devices from going in. Or just rm them. -- Josh > > thnks!
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