CentOS7.6系统上装完Mysql后启报错“couldn’t find mysql_server(usr/local/mysql/bin/mysqld_safe)”的说明

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前段时间在CentOS7.6系统里测试泛微em7与泛微E9系统的东西，需要用到Mysql数据库，然而装完之后启动竟然出错，提示“couldn’t find mysql_server(usr/local/mysql/bin/mysqld_safe)”

 Starting MySQL.2026-01-07T01:26:04.915587Z mysqld_safe error: log-error set to '/var/log/mariadb/mariadb.log', however file don't exists. Create writable for user 'mysql'.
ERROR! The server quit without updating PID file (/var/lib/mysql/centos-liunx-7.pid).
[root@centos-liunx-7 ~]# sh /usr/local/mysql/support-files/mysql.server start
my_print_defaults: Can't read dir of '/etc/my.cnf.' (OS errno 2 - No such file or directory)
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
Starting MySQL.my_print_defaults: Can't read dir of '/etc/my.cnf.' (OS errno 2 - No such file or directory)
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
my_print_defaults: Can't read dir of '/etc/my.cnf.' (OS errno 2 - No such file or directory)
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
Logging to '/usr/local/mysql/data/centos-liunx-7.err'.
ERROR! The server quit without updating PID file (/usr/local/mysql/data/centos-liunx-7.pid).

CentOS7系统上装完Mysql后启报错“couldn’t find mysql_server(usr/local/mysql/bin/mysqld_safe)”的说明

启动mysql时发现缺少mysqld_safe文件，查看/usr/local/mysql/bin/目录下，确实没有mysqld_safe命令，查的大部分都是修改my.conf中mysqld的basedir，但都没啥鸟用！

说说自己的解决办法：

1、直接打开定位到/etc/init.d/mysqld文件前几行，直接修改上面的路径为自己mysql的路径，再次启动MySQL，成功；

2、然后又报错pid找不到，这是centos7的特性，找到、etc/selinux/config文件，把SELINUX=enforcing改为SELINUX=disabled后保存，如下图所示

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