/usr/sbin/sestatus -v 或 getenforce ----查看SELinux状态
-----临时关闭SELinux(不用重启机器)-----
setenforce 0 ##设置SELinux 成为permissive模式
setenforce 1 ##设置SELinux 成为enforcing模式
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
-----修改配置文件,需要重启机器------
修改/etc/selinux/config 文件
将SELINUX=enforcing改为SELINUX=disabled
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sestatus -b | grep ftp ----查看SELinux的状态
sestatus - SELinux status tool
-b Display the current state of booleans.