MySQL无法重启问题解决Warning: World-writable config file ‘/etc/my.cnf’ is ignored

今天帮朋友维护服务器，在关闭数据库的命令发现mysql关不了，提示Warning: World-writable config file '/etc/my.cnf' is ignored ，大概意思是权限全局可写，任何一个用户都可以写。mysql担心这种文件被其他用户恶意修改，所以忽略掉这个配置文件。这样mysql无法关闭。

下面看下整个过程文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

重启MySQL文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

[root@ttlsa ~]# service mysqld stop
Warning: World-writable config file '/etc/my.cnf' is ignored
Warning: World-writable config file '/etc/my.cnf' is ignored
MySQL manager or server PID file could not be found![FAILED]

可以看到mysql停止不了文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

查看my.cnf的权限文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

[root@ttlsa ~]# ls -l /etc/my.cnf
-rwxrwxrwx 1 root root 4878 Jul 30 11:31 /etc/my.cnf

权限777，任何一个用户都可以改my.cnf，存在很大的安全隐患.文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

修复MySQL问题文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

[root@ttlsa ~]# chmod 644 /etc/my.cnf

my.cnf设置为用户可读写，其他用户不可写.文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

关闭MySQL文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

[root@ttlsa ~]# service mysqld stop
Shutting down MySQL..[  OK  ]

MySQL关闭成功. 问题很简单文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/

来源站点：运维生存时间   网址：https://www.ttlsa.com/html/3445.html文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/ 文章源自运维生存时间-https://www.ttlsa.com/mysql/warning-world-writable-config-file-etcmy-cnf-is-ignored/