How to Disable SELinux on CentOS 8

SELinux or Security-Enhanced Linux is a mechanism or security module that provides access control security policies. In simple terms, it’s a feature or service used for restricting users to certain policies and rules set by the systems administrator.

In this topic, you will learn how to disable SELinux temporarily and later permanently on CentOS 8 Linux.

How to Temporarily Disable SELinux on CentOS 8

Before you start disabling SELinux on CentOS 8, it’s prudent that you first check the status of SELinux.

To do so, run the command:

# sestatus
Check SELinux Status in CentOS 8

Check SELinux Status in CentOS 8

This shows that SELinux is up and running.

To temporarily disable SELinux run the command.

# setenforce 0

Also, you can run the command.

# setenforce Permissive

Either of these commands will temporarily disable SELinux only until the next reboot.

How to Permanently Disable SELinux on CentOS 8

Now, let’s see how we can permanently disable SELinux. The configuration file for SElinux is located at /etc/selinux/config. Therefore, we need to make a few modifications to the file.

# vi /etc/selinux/config

Set the SELinux attribute to disabled as shown below:

Disable SELinux in CentOS 8

Disable SELinux in CentOS 8

Save and exit the configuration file and reboot your CentOS 8 Linux system using any of the commands below.

# reboot
# init 0
# telinit 0

Now check the status of SELinux using the command.

# sestatus
Verify SELinux Status in CentOS 8

Verify SELinux Status in CentOS 8

SELinux is a very crucial feature on CentOS 8 and helps in restricting unauthorized users from accessing certain services on the system.

In this guide, we demonstrated how you can disable SELinux on CentOS 8. Ideally, it’s always recommended to keep SELinux enabled with the exception of instances where you are configuring services that require SELinux to be disabled.

We hope you found this guide insightful. And that’s all for today. Your feedback is most welcome.

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James Kiarie

This is James, a certified Linux administrator and a tech enthusiast who loves keeping in touch with emerging trends in the tech world. When I'm not running commands on the terminal, I'm taking listening to some cool music. taking a casual stroll or watching a nice movie.

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