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pages/02.linux/09.podman/default.en.md
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---
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title: Podman
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---
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## Generate systemd service
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Create a container the normal way
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Using this container as a reference, you can generate a systemd service file
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`# podman generate systemd --new --name --files (container)`
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Remove your old container
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`# podman container rm (container)`
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`# cp container-(container).service /etc/systemd/system/`
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`# systemctl daemon-reload`
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`# systemctl enable --now container-(container)`
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The container should now be running just as before
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## Auto-Update container
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The command to update containers configured for auto-update is `# podman auto-update`
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Add `--label "io.containers.autoupdate=image"` to the `ExecStart=/usr/bin/podman ...` line in the service file you generated
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Make sure to use, for example, `docker.io/` instead of `docker://` as the source of the image
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Reload and restart
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`# systemctl daemon-reload`
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`# systemctl enable --now container-(container)`
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### Auto-Update timer
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To truly automate your updates, enable the included timer
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`# systemctl enable --now podman-auto-update.timer`
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### Check update log
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The update logs are kept in the `podman-auto-update` service
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`$ journalctl -eu podman-auto-update`
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## Prune images service and timer
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`/etc/systemd/system/podman-image-prune.service`
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```
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[Unit]
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Description=Podman image-prune service
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[Service]
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Type=oneshot
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ExecStart=/usr/bin/podman image prune -f
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[Install]
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WantedBy=multi-user.target
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```
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`/etc/systemd/system/podman-image-prune.timer`
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```
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[Unit]
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Description=Podman image-prune timer
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[Timer]
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OnCalendar=weekly
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Persistent=true
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[Install]
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WantedBy=timers.target
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```
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> [Documentation](https://docs.podman.io/en/latest/markdown/podman-image-prune.1.html)
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