```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](../production/troubleshooting.html#monitoring). ### Securing your Zulip server Moved to [Security Model](../production/security-model.md). ### Upgrading Moved to [Upgrading to a release](../production/upgrade-or-modify.html#upgrading-to-a-release). ### Upgrading from a Git repository Moved to [Upgrading from a Git repository](../production/upgrade-or-modify.html#upgrading-from-a-git-repository). ### Upgrading the operating system Moved to [Upgrading the operating system](../production/upgrade-or-modify.html#upgrading-the-operating-system). ### Scalability Moved to [Scalability](../production/requirements.html#scalability). ### Management commands Moved to [Management commands](../production/management-commands.md). ### API and your Zulip URL Moved to [REST API](https://chat.zulip.org/api/rest).