Depending on your active service OpenVZ or OpenStack, you can choose from the following list of operating systems:
For OpenStack:
You can reinstall your VPS anytime from your Fleio account by accessing https://intovps.cloud (or from your client account » My Services » OpenStack Cloud » Login to Fleio).
Inside Fleio interface, go to Cloud » Instances and click on the VPS you want to reinstall.
Click on the vertical dotted line (more) from top-right and choose Rebuild.
Available operating systems on OpenStack:
- Ubuntu 18.04.1
- Ubuntu 16.04.5
- Ubuntu 14.04.5
- Debian 9.5
- Debian 8.11
- Centos 7.5.1804
- Centos 6.10
- Arch Linux
- FreePBX 14
- Windows Server 2016 Standard