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Issue Cannot get MariaDB working at all after broken upgrade

perini-ps

New Pleskian
Server operating system version
Centos 7
Plesk version and microupdate number
18.0.71.2
Hi all,

I was upgrading Plesk and it appeared to break during the process.

It appears that MariaDB has broken and I cannot get it working at all.

The error is "ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)" and I have gone through as many options as I can find and MariaDB simply cannot start. I have made various changes to my.cnf and tried to run with the host parameter being either 127.0.0.1, 0.0.0.0 or localhost and none of these work either.

Also, /usr/lib/systemd/system/mariadb.service.d is empty so systemctl start mariadb / mysql doesn't work.

Help. I'm really stuck :( thanks anyone for your help.
 
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