```{eval-rst} :orphan: ``` # Maintain, secure, and upgrade This was once a long page covering a bunch of topics; those topics have since all moved to dedicated pages: ### Monitoring Moved to [Troubleshooting](troubleshooting.md#monitoring). ### Securing your Zulip server Moved to [Security model](security-model.md). ### Upgrading Moved to [Upgrading to a release](upgrade-or-modify.md#upgrading-to-a-release). ### Upgrading from a Git repository Moved to [Upgrading from a Git repository](upgrade-or-modify.md#upgrading-from-a-git-repository). ### Upgrading the operating system Moved to [Upgrading the operating system](upgrade-or-modify.md#upgrading-the-operating-system). ### Scalability Moved to [Scalability](requirements.md#scalability). ### Management commands Moved to [Management commands](management-commands.md). ### API and your Zulip URL Moved to [REST API](https://zulip.com/api/rest).