In the pursuit of innovation, the technology sector often falls into the trap of over-engineering, creating complex systems that are detrimental to users and developers alike. The solution is to re-embrace a fundamental truth: the most effective solutions are the simple ones, a principle best captured by Occam’s Razor.
While maintaining the http418 cluster, I noticed some machines had outdated kernels, yet apt update && apt upgrade reported everything was up to date. This prompted me to investigate the cause.
While maintaining a CentOS 9 Stream VM, I found and removed a default 1 GiB swap partition. After updating /etc/fstab and rebooting, the machine failed to start. This post details the fix.