From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: <20130312035255.8C0CEB834@mail.bitblocks.com> References: <320203de502d79e73cd7447f3ce25154@sphericalharmony.com> <20130312035255.8C0CEB834@mail.bitblocks.com> Date: Tue, 12 Mar 2013 10:57:53 -0400 Message-ID: From: "Joel C. Salomon" To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [9fans] A note about new software for Plan 9 Topicbox-Message-UUID: 27c590f6-ead8-11e9-9d60-3106f5b1d025 On Mon, Mar 11, 2013 at 11:52 PM, Bakul Shah wrote: > To do something similar you will have to constrain each jail > to see a subset of processes, give it its own /dev, /env etc. > Not sure how you do this. So long as processes in the jail use /dev, /env, etc., etc., as inherited from/shared with their parent processes, this seems doable, if tedious: provide a synthetic file system that shows a limited view on /dev, /env, etc. But the child process can always mount #x for various x, and get out of jai= l. =E2=80=94Joel