logind: log wall messages to the journal #23870
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Currently kde installs a fake utmp session to listen for this. This provides an alternative mechanism as discussed in systemd#23574. Example with 'shutdown 6 -r' and shutdown -c': PRIORITY=6 SYSLOG_FACILITY=4 SYSLOG_IDENTIFIER=systemd-logind ... CODE_FILE=src/login/logind-utmp.c CODE_LINE=90 CODE_FUNC=warn_wall MESSAGE_ID=9e7066279dc8403da79ce4b1a69064b2 OPERATOR=root MESSAGE=The system will reboot at Thu 2022-06-30 12:16:43 CEST! ACTION=reboot PRIORITY=5 SYSLOG_FACILITY=4 SYSLOG_IDENTIFIER=systemd-logind ... OPERATOR=root CODE_FILE=src/login/logind-dbus.c CODE_LINE=2407 CODE_FUNC=method_cancel_scheduled_shutdown MESSAGE=System shutdown has been cancelled MESSAGE_ID=249f6fb9e6e2428c96f3f0875681ffa3 ACTION=reboot
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/cc @lnussel |
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Hm, this requires root/admin permissions to read the system journal and kded runs as unprivileged user. |
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I think that dbus would be an option too. But regardless, I think we should log to the journal. |
bluca
reviewed
Jun 30, 2022
bluca
approved these changes
Jun 30, 2022
This can be done separately if desired |
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Currently kde installs a fake utmp session to listen for this. This provides an
alternative mechanism as discussed in #23574.
Example with 'shutdown 6 -r' and shutdown -c':
PRIORITY=6
SYSLOG_FACILITY=4
SYSLOG_IDENTIFIER=systemd-logind
...
CODE_FILE=src/login/logind-utmp.c
CODE_LINE=90
CODE_FUNC=warn_wall
MESSAGE_ID=9e7066279dc8403da79ce4b1a69064b2
OPERATOR=root
MESSAGE=The system will reboot at Thu 2022-06-30 12:16:43 CEST!
ACTION=reboot