On Wed, Feb 18 2015, Canek Peláez Valdés wrote: > On Wed, Feb 18, 2015 at 12:22 PM, <gottl...@nyu.edu> wrote: >> >> On Tue, Feb 17 2015, Canek Peláez Valdés wrote: >> >> > On Tue, Feb 17, 2015 at 2:29 PM, <cov...@ccs.covici.com> wrote: >> >> >> >> I wonder if the OP is using systemd and trying to read the journal >> >> files? >> > >> > Those live under /var/lib/journal (which you need to create; Gentoo >> > doesn't do it by default last time I saw), >> >> Wow! I just checked and indeed I do not have /var/lib/journal. >> I run systemd (thanks to canek) and use journalctl, which I *thought* >> was displaying the journal). > > The journal works without permanent storage (one more of its many > advantages); in that case, it keeps a small amount of logs in memory (you > can set how much memory to reserve for it). > >> Need I make some changes? > > Only if you want to have logs in permanent storage. In that case, you only > need to create the /var/log/journal dir with systemd-journal GID, and 2755 > permissions (with setgid). systemd-journald will automatically rotate the > logs when they use 10% of the free disk available (you can also change > that). > > Since the logs are compressed and indexed, each entry on them is accesible > in O(1), and they don't use that much space (with 280 megabytes reserved in > my laptop for journal logs, I have logs since Sep 20, 2014; that's 5 months > worth of logs, although my laptop doesn't run that many daemons). > > Anyway, the journal works perfectly without permanent storage (as you can > see); if you are happy that way, you don't need to enable it. > > Regards. > -- > Canek Peláez Valdés
Thank you for another lucid explanation. allan
