In order to reinstall OS of an OpenVZ
- Click on web management console http://solusvm.panamaserver.com
- From the list click on manage (for the desired vps in case you more than one)
- Under General Tap, click on reinstall
- Select the desired OS from the list and click on reinstall.
- Wait for the process to complete.
Be careful this will destroy all current data, make sure you have a backup.