Step 1: Configure Serial Terminal
On your new RHEL 6 virtual machine, you’ll need to configure ttyS0. This serial interface is how “virsh console” gains access to your virtual machine.
Log into your virtual machine…
Create new ttyS0 config file.
By default RHEL 6 will not allow a user to login via ttyS0 unless we modify security.
Make ttyS0 available, from your terminal execute the following command.
From your KVM server, connect to the console of your virtual machine.