Linux Hint published a tutorial about turning off SELinux on CentOS 8.
Turn off SELinux on CentOS 8
The term "SELinux" is an acronym for Security-Enhanced Linux is an advanced level of security. An administrator can allow or deny access to a certain object for any specified user. However, at times, the SELinux security policy starts causing trouble with your routine tasks. In this article, the method of turning off SELinux on CentOS 8 is explained.
Turn off SELinux on CentOS 8 – Linux Hint