The time you try login to the VPS from the node it shows error below.
Unable to open pty: No such file or directory
If you even try to access the VPS, via SSH, it will show error below
PTY allocation request failed on channel 0
To fix this issue there are 2 alternatives. Use any one which suits you. Perform the commands below as root on your main node.
vzctl exec veid /sbin/MAKEDEV pty
vzctl exec veid /sbin/MAKEDEV tty
vzctl enter veid
Once set, use commands below.
vzctl enter VEID
rpm -qa | grep -i udev
rpm -qf /etc/udev/makedev.d/50-udev.nodes
rpm -e –nodeps udev-095-14.9.el5
Login to your main node and access file
Find for start_udev, below this line add
Restart your VPS & you are done.