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Clarify Dispatcher-Service.md for systemd (#14575)

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There are two systemd service files suggested for use, only one should be used. My changes clarify the usage and adjust the librenms-watchdog.service to install as librenms.service as that appears to be the intention from #12188
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fuzzbawl
2022-11-06 11:53:21 -05:00
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doc/Extensions/Dispatcher-Service.md
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@@ -169,22 +169,25 @@ Once the LibreNMS service is installed, the cron scripts used by LibreNMS to sta
A systemd unit file is provided - the sysv and upstart init scripts
could also be used with a little modification.
### systemd
### systemd service
A systemd unit file can be found in `misc/librenms.service`. To
install run `cp /opt/librenms/misc/librenms.service
/etc/systemd/system/librenms.service && systemctl enable --now
librenms.service`
### systemd-watchdog
### systemd service with watchdog
This service file is an alternative to the above service file. It uses the systemd WatchdogSec= option to restart the service if it does not receive a keep-alive from the running process.
A systemd unit file can be found in `misc/librenms-watchdog.service`. To
install run `cp /opt/librenms/misc/librenms-watchdog.service
/etc/systemd/system/librenms-watchdog.service && systemctl enable --now
librenms-watchdog.service`
/etc/systemd/system/librenms.service && systemctl enable --now
librenms.service`
This requires: python3-systemd (or python-systemd on older systems)
or https://pypi.org/project/systemd-python/
If you run this systemd service without python3-systemd it will restart every 30 seconds.
### OS-Specific Instructions