Introduction In this article, we will explain how you can easily migrate your Mailcow instance to another server. In this example, the server operating system CentOS 7 is obsolete and is going to be replaced with RockyLinux 9. Upgrading Existing Mailcow Upgrading your existing Mailcow instance is important and minimises the risk of a failed […]

Introduction Following a recent job we did for one of our customers we decided to document the process we used to move docker-based AWX from one host to another. Assumptions: Old AWX Node Actions So we can start the migration process ensure that all of the AWX containers are running inside of docker: Ensure as […]

If you encounter the error when attempting to run a playbook against a destination host the likleyhood is the hosts keys have changed and are no longer recognised by the Ansible AWX server. In this scenario you should remove the old host keys from the Ansible server and attempt to re-run the playbook. As Ansible […]

This has been tried and tested on Fedora based distros. Forcing regeneration of host keys on Debian based distros may be different, you may need to use dpkg-reconfigure (dpkg-reconfigure openssh-server). If you are having issues with SSH such as errors staring SSH service and the log or journald complains about SSH host keys you can […]