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Hostctl is an elegant CLI command that outputs more than just the Red Hat OS version your system is running.

Since the output is long, I’ve truncated it so you won’t be able to see most of the other information.Ĭpu.topology_source: kernel /sys cpu sibling listsĭistribution.name: Red Hat Enterprise Linux So what is the Red Hat Subscription Manager?Īccording to the Red Hat 9 OS man pages, subscription-manager “is a client program that registers a system with a subscription management service such as the Customer Portal Subscription Management service or on-premise Subscription Asset.”īesides the version of Red Hat OS, the output of sudo subscription-manager facts gives you a ton of other information including CPU, kernel, bios, motherboard and memory. The subscription-manager option requires you to have registered your system with Red Hat and also needs administrator privileges. Red Hat Enterprise Linux release 9.0 (Plow)

That command is cat /etc/redhat-release and it’s been available on RHEL 5, 6, 7, 8 and now on RHEL 9. There is one crisp and neat CLI command that’s been providing the answer to the version of Red Hat OS on your server for over 20 years. Let’s consider at least 14 ways to verify if your Red Hat workstation or server is running Red Hat Enterprise Linux 9 (RHEL 9).īy the way, all the options below should work well with previous versions of Red Hat OS like RHEL 7 or RHEL 8 as well as CentOS, Rocky Linux and AlmaLinux. Most of the methods do not require sudo (elevated) permission and can be run by all users. There are several ways to confirm if your server has the latest version of the Red Hat OS, i.e., RHEL 9. So how to quickly verify if the version of Red Hat Enterprise Linux OS you’re running is the latest release, i.e., RHEL 9 aka plow? Red Hat Enterprise Linux 9 ( RHEL 9) is the latest iteration of the solid Linux OS that powers thousands of Linux servers and workstations at a gazillion companies and organizations worldwide.