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  • centos7 mysql 启动mysqld.service

     1.启动命令

    systemctl start mysqld.service 或者 /etc/init.d/mysqld start   结果同样的错误

         2.错误是:

          Job for mysqld.service failed. See 'systemctl status mysqld.service' and 'journalctl -xn' for details.

         3.按照提示输入命令

          systemctl status mysqld.service 或者 journalctl -xn

          命令后提示:

            mysqld.service - SYSV: MySQL database server.
        Loaded: loaded (/etc/rc.d/init.d/mysqld)
        Active: failed (Result: exit-code) since Tue 2017-03-14 09:00:45 CST; 9s ago
      Process: 2550 ExecStart=/etc/rc.d/init.d/mysqld start (code=exited, status=1/FAILURE)
      Starting SYSV: MySQL database server....
      MySQL Daemon failed to start.
    Starting mysqld:  [FAILED]
    mysqld.service: control process exited, code=exited status=1
    Failed to start SYSV: MySQL database server..
    Unit mysqld.service entered failed state.

        4.进一步查看日志:

           vi /var/log/mysqld.log

            如下:

             [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 2 - No such file or directory)
    [ERROR] Can't start server: can't create PID file: No such file or directory

         5.创建该目录

            mkdir -p /var/run/mysqld/

       6.启动mysql服务

         /etc/init.d/mysqld start

         错误和原来一致

       7.查看日志:

         如下:

              [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 13 - Permission denied)
              [ERROR] Can't start server: can't create PID file: Permission denied

       8.授权

          chown mysql.mysql /var/run/mysqld/

       9.启动

          /etc/init.d/mysqld start
          Starting mysqld (via systemctl):                           [  OK  ]
    ————————————————
    版权声明:本文为CSDN博主「loveuserzzz」的原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接及本声明。
    原文链接:https://blog.csdn.net/loveuserzzz/article/details/62036988

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  • 原文地址:https://www.cnblogs.com/zhoading/p/11491398.html
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