IT operations folks strive to not only maximize uptime but also keep systems patched. These might seem like competing goals, but we’re here to help with Live kernel patching in Red Hat Enterprise Linux (RHEL) and enjoy some improvements with live kernel patching in RHEL 8.5.
You can use a built-in tool to get update the kernel on RHEL systems with no downtime. That tool is live kernel patching (kpatch). Kpatch has been a part of our operating system for some time now (since RHEL 8.1, 7.7). However, with RHEL 8.5 (and the 9.0 Beta), there are some significant enhancements.
To catch the rest of my article, head over to the Red Hat blog here!