Date: Sat, 6 Jul 2013 11:28:11 -0400 From: Glen Barber <gjb@FreeBSD.org> To: Frank Leonhardt <freebsd-doc@fjl.co.uk> Cc: freebsd-doc@freebsd.org Subject: Re: Fixing the man page for renice Message-ID: <20130706152811.GJ20631@glenbarber.us> In-Reply-To: <51D7FE78.8050006@fjl.co.uk> References: <51D7FE78.8050006@fjl.co.uk>
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--YPJ8CVbwFUtL7OFW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jul 06, 2013 at 12:24:40PM +0100, Frank Leonhardt wrote: > Okay - I've been around here for some time but I haven't actually > changed anything. I'm hoping someone will sanity check the following > as a reasonable course of action, as I really don't want to mess > anything up. >=20 > I'm reading: >=20 > http://www.freebsd.org/doc/en/articles/problem-reports/index.html >=20 > The problem is the man page for renice. Has anyone tried it as the > root user in a jail? You can increase the nice value of any process > within the jail you like, but you can't decrease it. In other words > it behaves as though you were a standard user except you can change > other users' processes too. >=20 > This all seems reasonable as you don't want the root user in their > jailed machine pinching CPU time from everyone else. It's probably > documented somewhere, but I've only found an old discussion about > allowing jailed users to renice anything. It's certinaly not in the > first place I'd look - the man page. >=20 > So, what I've done: >=20 > I've searched for "renice" in > http://www.freebsd.org/cgi/query-pr-summary.cgi?query and not found > it listed. >=20 > I've Googled for things like "renice in jail" >=20 > I've checked out the behaviour out on running systems I have > available to me. >=20 > I'm about to fill out this form here: >=20 > http://www.freebsd.org/send-pr.html >=20 > Should I do anything else first? >=20 Will you be including a patch? If so, perhaps sending the patch to this list for review might be a good first course of action. If not, then your plan looks good. :) Glen --YPJ8CVbwFUtL7OFW Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (FreeBSD) iQEcBAEBCAAGBQJR2DeLAAoJEFJPDDeguUaj9rsH/2kiXXFxmzxVeQhvSThLBlLY Xyw0swqlilQIpNtkKKWMvpMZFf6/ae7iEKVqfFXeRTRCfWUHx5KvH3HAaHsnoMDH wXnOjl8Y3eH1J+9d/aSMUrcg+rkUVBuv2VYrdgHHbRJNHvnl8oHLmmOgpQ2tPE3v BIyrqCnq5R8WQ/jHhIq7aJry6KLjShZ8wiVRm96Wieb4lzIi6i/LkcAeT91+EXXy AoQ9wwSAx6B7ookEmZfSLvLXJG2UKxZxkJP5NslYcOGFtI+nfVsWei0gwunqUjgX oHgF4OzPge2qPJI5WiYAzPF/vSEuqs5wFEIKXtjr9h2rFnDQSkCZHvLcq5bnXWk= =p9x0 -----END PGP SIGNATURE----- --YPJ8CVbwFUtL7OFW--
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