Procedure
From the command-line open the following file /etc/selinux/config with your preferred text editor.
like im using nano editor :
nano /etc/selinux/config
With your preferred editor you need to edit the following line SELINUX=enforcing to SELINUX=disabled .
Once you made the above change to disable SELinux be sure to reboot your server.
To make sure SELinux is disabled properly, just check SELinux status with sestatus command it will show SELinux is disabled.
Once the SELinux is disabled successfully and on Webuzo Panel you see a warning or notice about SELinux you can ignore that or simply you can Dismiss that notice.