Hello all, I need your help please. I updated our centos server 6.8 Final to the new version of mysql. Its not gone well. I followed over the How to upgrade MySQL 5.5 to 5.6 on Linux I did take a copy of my DB files.I know my webserver files are still intactedI have lost access to the Plesk GUI but still have ssh access. Mysql is nor started and I get the following service mysqld start MySQL Daemon failed to start. Starting mysqld: [FAILED] [xxx@name ~]# Some more info so you can maybe help [xxx@name~]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111) Can any of you help point how to fix please?