ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'

[root@localhost etc]# ps -A|grep mysql
 26080 pts/0    00:00:00 mysql

[root@localhost etc]# kill -9 26080

[root@localhost etc]# ps -A|grep mysql

[root@localhost etc]# mysql restart
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2 "No such file or directory")

[root@localhost etc]# /etc/init.d/mysql restart
Restarting mysql (via systemctl):                          [  OK  ]

[root@localhost etc]# mysql -uroot -p
Enter password: 
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Your MariaDB connection id is 2
Server version: 10.1.38-MariaDB MariaDB Server

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