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Reinstall the operating system on an existing virtual server using one of the predefined OS templates available in VMmanager 6, or use a custom ISO for distributions not available as templates. Templates cover CentOS, Debian, FreeBSD, and Ubuntu. The exact list of available versions depends on the current template catalog.
Reinstalling the OS erases all data on the server disk. Back up any important files before proceeding.
1

Open the Hosting portal

Log in to the Hosting portal and navigate to Products/Services → Virtual private servers.
2

Open VMmanager 6

Select the checkbox next to the server, then click To panel in the toolbar.
Virtual private servers list with a server row selected and the To panel button highlighted in the toolbar
3

Open the Reinstall OS menu

In VMmanager 6, click Menu in the upper right and select Reinstall OS.
VMmanager 6 server page with the Menu dropdown open and Reinstall OS highlighted
4

Select an OS template

Choose a distribution from the available templates and select the version from the dropdown.
Reinstall OS page showing OS template tiles for CentOS, Debian, FreeBSD, and Ubuntu, with Applications and scripts section and VM password field below
5

Select application scripts (optional)

In Applications and scripts, select a script to run automatically after the OS is installed. Scripts can install packages and update configuration files. Select Without script to skip this step.
6

Set a VM password

Enter a new password for the server or click Generate to create one automatically. The previous password becomes invalid after reinstallation.
Select Send email with password to receive the new password by email.
7

Confirm reinstallation

Click Reinstall. The server is reinstalled and becomes temporarily unavailable. When its status changes back to Active, the new operating system is ready to use.