Systemd: Difference between revisions
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<source lang=bash> |
<source lang=bash> |
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sudo systemctl enable courier-authdaemon |
sudo systemctl enable courier-authdaemon |
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</source> |
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=== Create a new service === |
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From [https://unix.stackexchange.com/questions/15348/writing-basic-systemd-service-files SE]: |
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* Create a file {{file|/etc/systemd/system/foo.service}} |
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<source lang="text"> |
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[Unit] |
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Description=foo |
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[Service] |
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ExecStart=/bin/bash -c "while true; do /bin/inotifywait -qq --event close_write /sys/class/backlight/acpi_video0/brightness; su myusername -c '/bin/xbacklight -display :0 -set $(cat /sys/class/backlight/acpi_video0/brightness)'; done" |
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[Install] |
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WantedBy=multi-user.target |
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</source> |
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Reload systemd: |
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<source lang="bash"> |
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systemctl daemon-reload |
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</source> |
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Enable the new service: |
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<source lang="bash"> |
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systemctl enable foo |
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</source> |
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The service will start automatically at boot. To start it immediately: |
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<source lang="bash"> |
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systemctl start foo |
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systemctl status foo # optional, just to verify |
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</source> |
</source> |
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Revision as of 07:33, 18 September 2017
Usage
systemd:0means first systemd socket defined in the .socket file (FD 3),systemd:1is the second (FD 4) and so on.
Configure a service to start at boot
sudo systemctl enable courier-authdaemon
Create a new service
From SE:
- Create a file /etc/systemd/system/foo.service
[Unit]
Description=foo
[Service]
ExecStart=/bin/bash -c "while true; do /bin/inotifywait -qq --event close_write /sys/class/backlight/acpi_video0/brightness; su myusername -c '/bin/xbacklight -display :0 -set $(cat /sys/class/backlight/acpi_video0/brightness)'; done"
[Install]
WantedBy=multi-user.target
Reload systemd:
systemctl daemon-reload
Enable the new service:
systemctl enable foo
The service will start automatically at boot. To start it immediately:
systemctl start foo
systemctl status foo # optional, just to verify