Support for CentOS 8 has been officially discontinued as of December 31, 2021. If ISPmanager and VMmanager are installed on your servers and this operating system, the software will continue to run, but will no longer be updated by ISPsystem company.
To avoid the non-updating of the software, it is possible to migrate the ISPmanager and VMmanager products to another supported OS. ISPsystem recommends AlmaLinux 8.
Migration procedure to AlmaLinux 8 from CentOS 8 can be done using a script. Server reimaging is not need thru this procedure. AlmaLinux will be supported until 2029.