Another MySQL daemon already running with the same unix socket.
今天新安装一个LAMP环境，启动mysql时 出现以下问题：
[root@pu ~]# service mysqld start Another MySQL daemon already running with the same unix socket. mysqld [失败] [root@pu ~]# service mysqld restart 停止 mysqld： [确定] Another MySQL daemon already running with the same unix socket. 正在启动 mysqld： [失败] [root@pu ~]# service httpd restart 停止 httpd： [确定] 正在启动 httpd： [确定] [root@pu ~]# service mysqld restart 停止 mysqld： [确定] Another MySQL daemon already running with the same unix socket. 正在启动 mysqld： [失败] [root@pu ~]# reboot Broadcast message from root@pu.com (/dev/pts/0) at 20:53 ... The system is going down for reboot NOW! [root@pu ~]# Ô¶³ÌÖ÷»ú¾Ü¾
操作系统重新启动之后，也无法解决这个问题：
Last login: Thu Jan 2 20:46:53 2014 from 200.200.200.10 [root@pu ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:0C:29:DD:3D:DA inet addr:200.200.200.63 Bcast:200.200.200.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fedd:3dda/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:75 errors:0 dropped:0 overruns:0 frame:0 TX packets:48 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:9369 (9.1 KiB) TX bytes:5278 (5.1 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) [root@pu ~]# service mysqld restart 停止 mysqld： [确定] Another MySQL daemon already running with the same unix socket. 正在启动 mysqld： [失败]
正确的解决方法：
[root@pu ~]# mv /var/lib/mysql/mysql.sock /var/lib/mysql/mysql.sock.bak [root@pu ~]# service mysqld start 正在启动 mysqld： [确定] [root@pu ~]# service mysqld restart 停止 mysqld： [确定] 正在启动 mysqld： [确定]
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作者：龙魂
链接：https://blog.wlzs.cn/another-mysql-daemon-already-running-with-the-same-unix-socket/
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