Here is a quick script that works on most Centos versions to disable the virus/SELinux from blocking basic functionality.
The first echo 0 statement disables SELinux instantly but it will still be enabled on reboot.
The second line disables it permanently.
#disable SELinux Immediately
echo 0 > /selinux/enforce
#disable SELinux Permanently
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
Disabling SELinux is necessary at least on Centos 6 to even login via SSH using public key authentication! SELinux also prevents many other legitimate and common uses/servers from functioning properly so it's important to disable on almost any server, it causes bizarre failures/behavior that are difficult to troubleshoot if you don't consider SELinux as being the culprit.
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