ERROR 2002 (HY000): Can't connect to local server through socket '/run/mysqld/my

admin

ERROR 2002 (HY000): Can't connect to local server through socket '/run/mysqld/mysqld.sock' (111)
  138  vim /etc/mysql/my.cnf
  d4 q6 ^4 v- W# W! n8 ]9 h( x& `! B  139  vim /etc/mysql/conf.d/mysql.cnf
! D8 S$ q: y& b  140  vim /etc/mysql/conf.d/mysqldump.cnf
7 v# Q1 \2 f( g. n) h  141  vim /etc/mysql/debian.cnf
  }6 E0 l6 c1 ^1 b9 q: D/ \  142  vim /etc/mysql/mariadb.conf.d/50-client.cnf
; r0 x) m) y" G4 N% p* q* U! o  143  vim /etc/mysql/mariadb.conf.d/50-mysql-clients.cnf
' j, s- ]" k- j: X- I! f7 b( k  144  vim /etc/mysql/mariadb.conf.d/50-mysqld_safe.cnf
  145  vim /etc/mysql/mariadb.conf.d/50-server.cnf
$ i$ L, U- |$ i( c: c. T5 S  146  vim /etc/mysql/mariadb.conf.d/60-galera.cnf
  147  vim /etc/mysql/mariadb.conf.d/99-openstack.cnf

& K; w" [3 N! F$ I  t
修改检查是否存在多个socket配置文件，删除其他文件的socket。保留vim /etc/mysql/my.cnf文件中的socket配置：
3 ^3 A$ X( j- h$ C
& V" K& `2 T4 C# R0 _- Z重启mairadb数据，即可。