Hello there,I'm installing two Ubuntu servers as a virtual machines, and i'm installing a simple application for sharing files on Server " A " , my aim is if the server A goes down, the Server B can take the lead and have the same files, i have been looking in internet, and i didn't find anything special, a lot of information and i'm confused, it someone can help me, and just direct me to something, that would be great.Thank you So much guys