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pages/02.linux/09.podman/default.en.md

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