some logs…
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my.cnf
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[root@MYSQL_01 ~]# cat /app/mysql/my.cnf
[mysqld]
datadir=/app/mysql/data
socket=/var/lib/mysql/mysql.sock
user=mysql
Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
[client]
socket=/var/lib/mysql/mysql.sock
[mysqld_safe]
log-error=/app/mysql/mysqld.log
pid-file=/app/mysql/mysqld.pid
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process:
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[root@MYSQL_01 ~]# ps -ef | grep mysqld
root 3425 1 0 05:07 pts/0 00:00:00 /bin/sh /app/mysql/bin/mysqld_safe --datadir=/app/mysql/data --pid-file=/app/mysql/data/MYSQL_01.pid
mysql 3591 3425 10 05:07 pts/0 00:00:00 /app/mysql/bin/mysqld --basedir=/app/mysql --datadir=/app/mysql/data --plugin-dir=/app/mysql/lib/mysql/plugin --user=mysql --log-error=/app/mysql/mysqld.log --pid-file=/app/mysql/data/MYSQL_01.pid --socket=/var/lib/mysql/mysql.sock
root 3618 3103 0 05:07 pts/0 00:00:00 grep mysqld
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BUT:
[root@MYSQL_01 ~]# mysql
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/tmp/mysql.sock’ (2)