Systemd tips and tricks
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How to permanently disable EEE (Energy Efficient Ethernet) on network card
Energy-Efficient Ethernet (EEE) is a set of enhancements[1]. To disable EEE on network card we can use systemd service unit to run the ethtool command (e.g. /etc/systemd/system/disable-eee.service[2] )
/etc/systemd/system/disable-eee.service
Description=HM disable eee on NIC
Before=network-pre.target
Wants=network-pre.target
[Service]
Type=oneshot
RemainAfterExit=true
ExecStartPre=/usr/sbin/ethtool --set-eee eno1 eee off
ExecStart=/usr/sbin/ethtool --set-eee eno2 eee off
[Install]
WantedBy=multi-user.target
How to read live-tail logs of multiple services with journalctl
#Systemd - How to read live-tail logs of multiple services with journalctl[3] $sudo journalctl --follow _SYSTEMD_UNIT=docker.service + _SYSTEMD_UNIT=apache2.service
Ensure the mount path is accessible before the service
<[Unit] RequiresMountsFor=<path required>
This will ensure the path is accessible before starting the service and also will mount it if it's not already (unless it has noauto specified).