数据库连接permission denied

通常情况下载安装完CentOS7后，默认情况下SElinux是启用状态

此时，需要将SElinux关闭

[root@localhost ~]# sestatus  
SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   enforcing
Mode from config file:          enforcing
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      31

[root@localhost ~]# setenforce 0

[root@localhost ~]# sestatus  
SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   permissive
Mode from config file:          enforcing
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      31

如果要永久关闭，可以修改配置文件/etc/selinux/config，将SELINU置为disabled。

最后

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