# Page Not Found

The URL `installation/debian_and_ubuntu` does not exist.

You might be looking for one of these pages:
- [Installing on Debian and Ubuntu](https://docs.vernemq.com/1.13.0/installing-vernemq/debian_and_ubuntu.md)
- [Installing on CentOS and RHEL](https://docs.vernemq.com/1.13.0/installing-vernemq/centos_and_redhat.md)
- [Introduction](https://docs.vernemq.com/1.13.0/live-administration/introduction.md)
- [Running VerneMQ using Docker](https://docs.vernemq.com/1.13.0/installing-vernemq/docker.md)
- [Retained messages](https://docs.vernemq.com/1.13.0/live-administration/retained-store.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.vernemq.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.vernemq.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/1.13.0/installing-vernemq/debian_and_ubuntu.md`)
- Use `Accept: text/markdown` header for content negotiation