无法连接到Mysql服务器;无法创建/写入pid文件 [英] Cant connect to Mysql server ; Can't create/write the pid file
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问题描述
您好,我不能连接到我的mysql服务器,我得到以下错误
Hello I cant seem to connect to my mysql server, i get the following error
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)
当我检查日志,它显示了以下内容:
when i checked the logs , it showed me the following :
130314 12:36:16 [Note] Plugin 'FEDERATED' is disabled.
/usr/sbin/mysqld: Table 'plugin' is read only
130314 12:36:16 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
130314 12:36:16 InnoDB: Initializing buffer pool, size = 8.0M
130314 12:36:16 InnoDB: Completed initialization of buffer pool
130314 12:36:16 InnoDB: Started; log sequence number 13 1336891001
130314 12:36:16 [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/lib/mysql/live.pid' (Errcode: 13)
130314 12:36:16 [ERROR] Can't start server: can't create PID file: Permission denied
推荐答案
我有mysql的样例问题。我运行根权限,但不知道为什么这个错误发生。问题是mysql用户没有权限在 / var / run / mysqld
中创建pid文件。
完整日志可能如下所示:
I had sample problem with mysql. I run under root permission but don't known why this error happen. The problem is mysql user don't have permission to create pid file in /var/run/mysqld
.
Full log could look like:
140812 09:35:53 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
140812 9:35:53 InnoDB: Initializing buffer pool, size = 8.0M
140812 9:35:53 InnoDB: Completed initialization of buffer pool
140812 9:35:53 InnoDB: Started; log sequence number 0 197396648
140812 9:35:53 [ERROR] /usr/libexec/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 13)
140812 9:35:53 [ERROR] Can't start server: can't create PID file: Permission denied
140812 09:35:53 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
因此,解决方案是将mysql用户分配到此目录:
So the solution is assign mysql user to this directory:
# chown mysql:mysql /var/run/mysqld
然后启动mysqld
and then start mysqld
# service mysqld start
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