Today sharing the link of my friend Mr. Samir Kazi expert DBA in SQL Server, where he has shown the cross-platform High Availability group of SQL Server.
Check the same it’s worth reading !!
Samir Kazi’s blog: https://www.skilleddba.com
Configure SQL Server Always On Availability Group on Windows and Linux (Cross-Platform) :
And also if you are interested to see the configuration of High Availability of SQL Server on only Linux Platform, please check the below Samir Kazi’s link.