Not a mysql connection problem.
I was missing php56-pdo-5.6.31 php56-pdo_odbc-5.6.31 and php56-pdo_mysql-5.6.31 . Fixed now
Edit: Another error when trying to login..
HTTP ERROR 500
Can you please tell me which php extensions/modules does this cms need?
I guess I'm missing something, just can't figure out what.
Edit: Nvm, found out.
How to remove Offline mode?