Red Hat Enterprise Linux (RHEL) is a popular enterprise-grade Linux distribution known for its reliability, performance, and extensive support ecosystem. Many other distributions are derived from RHEL, including CentOS Stream, Rocky Linux, and others. Knowing whether the Linux system is RHEL-based is crucial for package management, security patching, and software compatibility. This tutorial explains how to check if a Linux distribution is RHEL-based.
A quick method to identify if the system is RHEL-based is to check for the existence of the /etc/redhat-release file. You can do this using the following command:
ls /etc/redhat-releaseOn RHEL-based distributions (e.g., CentOS Stream, Rocky Linux, AlmaLinux, Oracle Linux), the command will return:
/etc/redhat-releaseOn non-RHEL-based distributions (e.g., Debian, Ubuntu, Arch Linux), you will see an error:
ls: cannot access '/etc/redhat-release': No such file or directory
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