tldr/pages/linux/synoupgrade.md

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# synoupgrade
> Upgrade Synology DiskStation Manager (DSM) - the Synology NAS operating system.
> More information: <https://www.synology.com/dsm>.
- Check if upgrades are available:
`sudo synoupgrade --check`
- Check for patches without upgrading the DSM version:
`sudo synoupgrade --check-smallupdate`
- Download the latest upgrade available (use `--download-smallupdate` for patches):
`sudo synoupgrade --download`
- Start the upgrade process:
`sudo synoupgrade --start`
- Upgrade to the latest version automatically:
`sudo synoupgrade --auto`
- Apply patches without upgrading the DSM version automatically:
`sudo synoupgrade --auto-smallupdate`
- Upgrade the DSM using a patch file (should be an absolute path):
`sudo synoupgrade --patch {{/path/to/file.pat}}`
- Display help:
`synoupgrade`