启动mysql时报如下错误
[root@VM_26_56_centos data]# service mysqld start Starting MySQL.. ERROR! The server quit without updating PID file (/usr/local/mysql/data/VM_26_56_centos.pid).
查看日志显示
2017-03-14 15:49:28 27467 [Note] Server hostname (bind-address): '*'; port: 3306 2017-03-14 15:49:28 27467 [Note] IPv6 is not available. 2017-03-14 15:49:28 27467 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 2017-03-14 15:49:28 27467 [Note] Server socket created on IP: '0.0.0.0'. 2017-03-14 15:49:28 27467 [ERROR] Can't start server: Bind on TCP/IP port: Address already in use 2017-03-14 15:49:28 27467 [ERROR] Do you already have another mysqld server running on port: 3306 ? 2017-03-14 15:49:28 27467 [ERROR] Aborting
查看端口和进程
[root@VM_26_56_centos data]# netstat -tulnp | grep 3306 tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 23115/mysqld [root@VM_26_56_centos data]# ps aux | grep 23115 root 17317 0.0 0.0 103252 892 pts/0 S+ 10:58 0:00 grep 23115 mysql 23115 0.0 1.6 3337908 540464 ? Sl Feb22 22:20 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/usr/local/mysql/data/VM_26_56_centos.err --pid-file=/usr/local/mysql/data/VM_26_56_centos.pid [root@VM_26_56_centos data]#
kill掉再次启动
[root@VM_26_56_centos local]# ps aux | grep 23115 root 17434 0.0 0.0 103252 892 pts/0 S+ 11:00 0:00 grep 23115 [root@VM_26_56_centos local]# service mysqld start Starting MySQL. SUCCESS!
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