Believe or not, there are shops where 100% of workloads are physical. Sooner or later they are realize that technology is moving forward and they have to make decision to go virtual. I had such a case in one my recent projects. I was able successfully P2V several Linux RHEL 5.11 to Nutanix Acropolis. After migration of dev box, when I tried to do SSH (using Putty), I got error – Server refused to allocate pty.
login as: nutanix nutanix@10.0.0.106's password: Server refused to allocate pty
Quick google search pointed me to RHEL KB where you can find solution. It is know bug (for older RHEL distros) on virtual machies with RHEL. You have to log in to VM over console and run
mount devpts /dev/pts -t devpts
That’s it. this is