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60f868c263
Single-Board Computer and embedded systems might have a clock that is extremely out of sync with reality. Adding this target ensures docker is only started after a somewhat realistic clock was set. More information about the time-set.target can be found here: https://www.freedesktop.org/software/systemd/man/systemd.special.html#time-sync.target Signed-off-by: Michael Kuehn <micha@kuehn.io>
47 lines
1.7 KiB
Desktop File
47 lines
1.7 KiB
Desktop File
[Unit]
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Description=Docker Application Container Engine
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Documentation=https://docs.docker.com
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After=network-online.target docker.socket firewalld.service containerd.service time-set.target
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Wants=network-online.target containerd.service
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Requires=docker.socket
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[Service]
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Type=notify
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# the default is not to use systemd for cgroups because the delegate issues still
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# exists and systemd currently does not support the cgroup feature set required
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# for containers run by docker
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ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
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ExecReload=/bin/kill -s HUP $MAINPID
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TimeoutStartSec=0
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RestartSec=2
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Restart=always
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# Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229.
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# Both the old, and new location are accepted by systemd 229 and up, so using the old location
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# to make them work for either version of systemd.
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StartLimitBurst=3
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# Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230.
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# Both the old, and new name are accepted by systemd 230 and up, so using the old name to make
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# this option work for either version of systemd.
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StartLimitInterval=60s
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# Having non-zero Limit*s causes performance problems due to accounting overhead
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# in the kernel. We recommend using cgroups to do container-local accounting.
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LimitNOFILE=infinity
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LimitNPROC=infinity
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LimitCORE=infinity
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# Comment TasksMax if your systemd version does not support it.
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# Only systemd 226 and above support this option.
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TasksMax=infinity
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# set delegate yes so that systemd does not reset the cgroups of docker containers
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Delegate=yes
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# kill only the docker process, not all processes in the cgroup
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KillMode=process
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OOMScoreAdjust=-500
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[Install]
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WantedBy=multi-user.target
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