Gollum is the Git-based wiki software used as the backend of the GitHub Wiki. Deploying Gollum will allow you to host a GitHub-like Wiki system on your server. Interested? Great! Let's take a look at how to install Gollum on CentOS 7. - A CentOS 7 x64 server instance. - A [sudo user](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server). - The `EPEL` yum repository. Log in to your server via SSH using the sudo user to install `epel`, update the system, and restart to apply the updates.......