Pacemaker – Configure cluster

Today some simple commands to configure a cluster with two ip adresses and a service on two servers with ubuntu 14.04 Let start installing some packages

Than adjust some configuration. The first is to enable pacemaker to run without quorum (you need it if the servers are less than three)

Now edit corosync […]

Linux – Change “message of the day” (motd)

Today a very rapid tutorial on how to modify motd, the messega the server prints when we login via ssh. Lets start by installing some prerequisites:

Now make a backup of the actual motd:

The last command will exit with error, never mind about it 🙂 Create our motd by writing the following […]