Vultr's [One-Click MediaWiki application](https://my.vultr.com/deploy/?app=mediawiki) is a free and open-source wiki engine, initially developed for use on Wikipedia. Select a location, choose your instance size, and click **Deploy Now**. Your wiki will be ready to configure in about a minute. One-Click MediaWiki runs on Ubuntu Server. Substitute the server's domain name or IP address anywhere **oneclick.example.com** appears in this installation guide. **This step is optional, but recommended.*......