An exploration of a little mentioned service in AWS: System Manager's Patch Manager.
Cloud Init is extremely powerful. Learn how to harness it and what to watch out for.
I recently wrote a story for Red Hat’s Enable SysAdmin blog on kernel live patching and how to enable it in Red Hat systems.
HAProxy is a common entry point into the app. When you start to implement ACL actions, it becomes easier to make decisions and troubleshoot when you surface those actions in your logs.