# Content Cache Operators > Documentation for the Content Cache charms, Juju operators that deploy and manage a static web content cache with NGINX on virtual machines. 2026 ## Pages in this subsection - [How-to guides](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/index.html.md): How-to guides for operating the Content Cache Operators, including basic operations, upgrades, and deployments. - [How to connect to HTTPS backends](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/enable-https/index.html.md): The Content Cache charm can proxy to backends over HTTPS. Backends are configured through the - [How to hash client IP addresses in logs](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/hash-client-ip-addresses-in-logs/index.html.md): Learn how to enable salted hashing of client IP addresses in the Content Cache charm access logs. - [How to enable COS](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/enable-cos/index.html.md): The charm utilizes Nginx as a static web content cache. - [How to upgrade](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/upgrade/index.html.md): Upgrade the `content-cache` charm with the `refresh` command: - [How to contribute](https://canonical.com/juju/docs/content-cache-charms/latest/how-to/contribute/index.html.md): Familiarize yourself with contributing to the Content Cache Operators documentation. ## Optional - [Top-level llms.txt](https://canonical.com/juju/docs/content-cache-charms/latest/llms.txt): Complete documentation index.