Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) Peter Eötvös Contemporary Music Foundation

Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)newsletter_registration (en)

Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)newsletter_name (en) *:    
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)newsletter_email (en) *:    
 
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)application_box (en)