MariaDB issues after installing CloudLinux

Issue

Unable to access Plesk after installing CloudLinux:

[root@ip168 ~]# plesk login
DB query failed: (2002) SQLSTATE[HY000] [2002] No such file or directory

exit status 1

Environment

• MariaDB

Solution

This issue was resolved by following the steps outlined in the referenced article:
https://support.plesk.com/hc/en-us/articles/12376924598935-Unable-to-start-MariaDB-10-6-on-a-Plesk-server-Bind-on-TCP-IP-port-Got-error-22-Invalid-argument
 
Additionally, we executed mariadb_upgrade as it was required, and performed a Plesk repair installation. At this point, the issue appears to be fully resolved.

Cause

It seems that MariaDB was upgraded to a major version during cldeploy, which caused those issues.

Useful links

• https://support.plesk.com/hc/en-us/articles/12376924598935-Unable-to-start-MariaDB-10-6-on-a-Plesk-server-Bind-on-TCP-IP-port-Got-error-22-Invalid-argument