On Tue, 2022-03-15 at 09:48 +0100, Michael Biebl wrote: > Am 15.03.22 um 03:31 schrieb Paul Wise: > > On Mon, 2022-03-14 at 11:47 +0100, Marco d'Itri wrote: > > > > > Yes, this is true. These are the unit and script that I use, and I think > > > that Debian would benefit from having something like this available in > > > some common package. > > ... > > > $(systemctl status "$FAILED_UNIT" --full --lines=100) > > > > Unfortunately for my cron jobs I need the entire output of the command > > invocation, don't want any output from prior runs of the command and > > don't want any of the output to end up in the systemd journal. > > > > So I need something like StandardOutput=mail or to add some sort of > > wrapper script to each of the relevant systemd timers. > > I might be mistaken here, but Luca hinted at > $MONITOR_INVOCATION_ID in his email which means one could easily filter > journal output for the last failed invocation using this > $MONITOR_INVOCATION_ID. > Luca, is this understanding correct? > Afaics this would cover Paul's use case > > Michael > > [1] https://lists.debian.org/debian-devel/2022/03/msg00240.html Yes indeed, logs can be filtered by invocation id, eg: journalctl INVOCATION_ID=abcdefg Also to make a unit's log "private" (not stored in the system journal) LogNamespace= can be used, see: https://www.freedesktop.org/software/systemd/man/systemd.exec.html#LogNamespace= -- Kind regards, Luca Boccassi
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