Kernel on Omid Farhanghttps://omid.dev/tags/kernel/Recent content in Kernel on Omid FarhangOmid Farhanghttps://omid.dev/images/bio-photo-150x150.jpghttps://omid.dev/images/bio-photo-150x150.jpgHugo -- 0.165.0en-US2026 Omid Farhang | All rights reserved.Thu, 10 Sep 2026 20:50:00 +0330How I Learned My Linux Machine Has Been Compressing Memory for Years Without Me Knowinghttps://omid.dev/2026/06/16/how-i-learned-my-linux-machine-has-been-compressing-memory-for-years/Tue, 16 Jun 2026 02:00:00 +0330https://omid.dev/2026/06/16/how-i-learned-my-linux-machine-has-been-compressing-memory-for-years/After 15 years on Linux, I discovered zswap had been compressing inactive memory on my Manjaro laptop all along. A practical guide to checking zswap, zram, and memory compression on Linux, macOS, and Windows — plus a timeline of how we got here.Building a Tiny Linux App to Explain Desktop Stutterhttps://omid.dev/2026/06/04/building-a-tiny-linux-app-to-explain-desktop-stutter/Thu, 04 Jun 2026 01:38:00 +0330https://omid.dev/2026/06/04/building-a-tiny-linux-app-to-explain-desktop-stutter/A hands-on Rust/Linux app walkthrough: build a small TUI that reads /proc and /sys, parses Pressure Stall Information, and turns kernel signals into an explanation for desktop stutter.How Ubuntu Ships Kernels: GA, HWE, Mainline, and DKMShttps://omid.dev/2022/12/30/how-to-upgrade-ubuntu-kernel/Fri, 30 Dec 2022 23:55:43 +0330https://omid.dev/2022/12/30/how-to-upgrade-ubuntu-kernel/Ubuntu does not have one kernel you upgrade. GA stays put for the LTS life, HWE rolls every six months, OEM covers vendor laptops, and mainline is unsigned and unsupported. DKMS is why jumping tracks can break NVIDIA.