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  • 修改mysql端口后重启mysql报错:Can't start server: Bind on TCP/IP port. Got error...n denied

    1:错误信息:如下

    [root@host ~]# systemctl status mariadb
    ● mariadb.service - MariaDB 10.2.30 database server
       Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)
      Drop-In: /etc/systemd/system/mariadb.service.d
               └─migrated-from-my.cnf-settings.conf
       Active: failed (Result: exit-code) since Fri 2019-12-13 09:06:20 CST; 1min 16s ago
         Docs: man:mysqld(8)
               https://mariadb.com/kb/en/library/systemd/
      Process: 22950 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS --basedir=/usr $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILURE)
      Process: 22923 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ]   && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited, status=0/SUCCESS)
      Process: 22921 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
     Main PID: 22950 (code=exited, status=1/FAILURE)
       Status: "MariaDB server is down"
    
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139835293538048 [Note] InnoDB: Buffer pool(s) load completed at 191213  9:06:19
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139836014606464 [Note] Plugin 'FEEDBACK' is disabled.
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139836014606464 [Note] Server socket created on IP: '::'.
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139836014606464 [ERROR] 1
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139836014606464 [ERROR] Do you already have another mysqld server running ...: 3366 ?
    Dec 13 09:06:19 host-10-3-6-39 mysqld[22950]: 2019-12-13  9:06:19 139836014606464 [ERROR] Aborting
    Dec 13 09:06:20 host-10-3-6-39 systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE
    Dec 13 09:06:20 host-10-3-6-39 systemd[1]: Failed to start MariaDB 10.2.30 database server.
    Dec 13 09:06:20 host-10-3-6-39 systemd[1]: Unit mariadb.service entered failed state.
    Dec 13 09:06:20 host-10-3-6-39 systemd[1]: mariadb.service failed.
    Hint: Some lines were ellipsized, use -l to show in full.

    2:解决方法

    修改mysql端口后需要修改: vi /etc/selinux/config
    SELINUX=disabled
    然后重启服务。
    可以用命令:setenforce 0 临时关闭selinux ,不用重启服务器;
    setenforce 0
    systemctl restart mariadb

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  • 原文地址:https://www.cnblogs.com/yshyee/p/12033206.html
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