Hello,
There are at least 2 well known Centos8 alternatives, source compatible with RHEL8/CentOS8 - Almalinux and RockyLinux, both already had release 8.4. Please add almalinux and rockylinux to the list of supported OS in virtualmin GPL installer script.
Thank you.
[2021-06-29 11:28:13 CEST] [DEBUG] Operating system name: AlmaLinux
[2021-06-29 11:28:13 CEST] [DEBUG] Operating system version: 8.4
[2021-06-29 11:28:13 CEST] [DEBUG] Operating system type: almalinux
[2021-06-29 11:28:13 CEST] [DEBUG] Operating system major: 8