linux下mysql启动失败问题解决(CentOS7)
错误信息: [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 2 - No such file or directory)2018-10-16T12:58:13.166990Z 0 [ERROR] Can't start server: can't creat...
错误信息:
[ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 2 - No such file or directory)
2018-10-16T12:58:13.166990Z 0 [ERROR] Can't start server: can't create PID file: No such file or directory
解决方案:
1、查看是否存在mysqld 运行目录
到/var/run目录下查看:
[root@ora10g mysql]# cd /var/run
[root@ora10g run]# ls -l mysqld*
ls: mysqld*: No such file or directory
2、如果目录不存在,就创建
mkdir /var/run/mysqld
3、给新建的mysqld目录授权
chown mysql:mysql /var/run/mysqld -R
4、重启mysql服务
systemctl restart mysqld
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