# Backup Operators > Documentation for Backup Operators, a collection of Juju charms that provide a highly integrated, low-operations file-level backup solution, based on Bacula, for charms running in machine environments. 2026 ## Pages in this subsection - [How-to guides](https://canonical.com/juju/docs/backup-charms/latest/how-to/index.html.md): How-to guides covering backup charm operations lifecycle. - [How to integrate with the backup integrator charm](https://canonical.com/juju/docs/backup-charms/latest/how-to/integrate-with-backup-integrator-charm/index.html.md): The backup integrator charm provides backup functionality to charms that - [How to use the Baculum web interface](https://canonical.com/juju/docs/backup-charms/latest/how-to/use-baculum/index.html.md): Baculum is the web interface for Bacula. The Bacula server charm manages - [How to upgrade](https://canonical.com/juju/docs/backup-charms/latest/how-to/upgrade/index.html.md): The `backup-integrator` and `bacula-fd` are both stateless charms, meaning - [How to contribute](https://canonical.com/juju/docs/backup-charms/latest/how-to/contribute/index.html.md): Familiarize yourself with contributing to the Backup charm documentation. ## Optional - [Top-level llms.txt](https://canonical.com/juju/docs/backup-charms/latest/llms.txt): Complete documentation index.