> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting.md).

# Maintenance & Troubleshooting

- [Maintenance Guide](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide.md): Maintenance procedures for ProSBC: check disk space and processor usage, back up the configuration, and replace a standalone, primary or secondary unit.
- [Check Disk Space](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide/check-disk-space.md): Check remaining disk space on the ProSBC Linux host. Standard Linux commands also work, since the host runs a standard distribution.
- [ProSBC Processor Usage](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide/prosbc-processor-usage.md): This procedure is used to check the Processor usage of the ProSBC.
- [Troubleshooting Toolpack](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide/troubleshooting-toolpack.md): Troubleshooting pointers for Toolpack systems, including what to check when the web portal does not start or is not accessible.
- [Restoring a Database](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide/restoring-a-database.md): Restore ProSBC configuration settings from a local or remote database copy, using the Recover feature on the Backups page of the Web Portal.
- [Log rotation for Web Server and other files](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/maintenance-guide/log-rotation-for-web-server-and-other-files.md): Rotate the web server error and access logs on ProSBC. Normally unnecessary, but useful when brute-force attacks or heavy polling inflate the files.
- [Software version release notes](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/software-version-release-notes.md): Where to find release notes for ProSBC software versions.
- [System Upgrade](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade.md): Upgrade TelcoBridges products to increase unit capacity or acquire new features, covering software releases, licenses and Linux package updates.
- [Linux software packages upgrade](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/linux-software-packages-upgrade.md): Upgrade Linux packages on TMG, TSG and ProSBC systems to obtain the latest security updates and patch recent vulnerabilities.
- [Retrieving a Software Release](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/retrieving-a-software-release.md): Retrieve a ProSBC or Tmedia software release. Download links and release notes are published on the TelcoBridges support forums.
- [Uploading a Software Release](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/uploading-a-software-release.md): Upload a software release to a TelcoBridges system. Uploading does not activate the release; activation is a separate step. Tmedia 3.0-3.3, SBC 3.1 and 3.3.
- [Activating a Software Release](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/activating-a-software-release.md): Activate a newly installed ProSBC software release. The procedure restarts the platforms and affects service, so plan a maintenance window.
- [Migrate current database](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/activating-a-software-release/migrate-current-database.md): Migrate the current ProSBC configuration into a new version during a system upgrade. This is the usual path and happens automatically.
- [Retrieving a License](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/retrieving-a-license.md): Retrieve a TelcoBridges license. Since 1 March 2022 the license server has been replaced by the Customer Dashboard.
- [Uploading a License](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/system-upgrade/uploading-a-license.md): Upload a license to activate features on a TelcoBridges product when installing or adding new capabilities.
- [ProSBC public roadmap](https://prosbcdocs.telcobridges.com/maintenance-and-troubleshooting/prosbc-public-roadmap.md): How to request the URL for the ProSBC public product roadmap from TelcoBridges.


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