On Tuesday 27 February 2018 13:13:34 Don Armstrong wrote: > On Tue, 27 Feb 2018, Gene Heskett wrote: > > Just curious Sven. Why was this not supplied as a manpage or > > something, as far back as wheezy? > > It's pretty common knowledge that initscripts and systemd units which > don't run as root have to create temporary directories in /run to > track their pid files and sockets before they drop permissions. > > > Didn't anyone think of the stuff that runs as a user? > > Stuff that runs as a user should use that user's home directory. [I > have a ~/var/ for this purpose, but other things use environmental > variables or ~/.something/foopid or similar.] > > On Tue, 27 Feb 2018, Gene Heskett wrote: > > Neither jessie nor stretch have a manpage for systemd.tmpfiles. > > It's systemd-tmpfiles(8) and tmpfiles.d(5). > > > And how does that work when /run is a link to /var/run? and it > > doesn't work thru links. Confusing without a lot more study. > > It's the other way around. /var/run should be a symlink to /run, which > is a temporary filesystem which goes away on reboot. [It's this way > because /var is sometimes a separate filesystem, and pid files need to > be written at early boot before /var is mounted.] > > On Tue, 27 Feb 2018, Gene Heskett wrote: > > I have no clue why the /log and /run directory's are root only, but > > its for sure a PITA. And the "genius" who decreed that has yet to > > surface and offer an explanation. > > They're root only because otherwise someone could write 1 to something > like /run/apache2/apache2.pid and watch as your apache2 init script > tried to kill off init. Or something more original and evil.
I'll have to admit that thought never crossed my mind, whats left of it. :) -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>
