How To Install SQL Server 2019 on Ubuntu 20 04 LTS

Is there any additional configuration required on the Unbuntu 20.04 while installing SQL server 2019 Developer Edition
The sql server is getting crashed every now and then due to high CPU.

thank u for that explanation..
I wanted to ask about sth,
when I write Sqlcmd -S localhost -U HalaGh -P '2922020Hala' in the terminal that what appears :

Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : Login failed for user 'HalaGh'..


could you give me a solution