Tag: #sysadmin
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 4 posts
systemd v261 — Staged Rollout Comes to PID 1, Cloud IMDS Absorption, and a Finished dlopen Migration
systemd v261, released 2026-06-19, ships ConditionFraction= (turns a unit on for only a set fraction of the fleet), ConditionMachineTag= (splits machines into rings via machine tags), and a new IMDS subsystem that pulls
2026-07-17 · 16 min read #linux#systemd#devops#cloud#sysadminReading htop and top — How to Decode Every Number
Open htop or top on Linux and a flood of numbers pours out. The difference between VIRT, RES, and SHR; the process state letters; why load average is not CPU usage; what the meter colors mean; and zombie processes — this
2026-07-05 · 7 min read #linux#performance#htop#sysadminMastering systemd Timers — Time to Graduate from cron
Sparked by the Hacker News hit You do not love systemd timers enough, this post walks through the structural limits of cron and everything systemd timers offer. OnCalendar syntax, Persistent catch-up, failure notificatio
2026-06-12 · 15 min read #linux#systemd#cron#scheduling#devopsThe 2026 Self-Hosting Renaissance — Personal Infra Rebuilt with Tailscale, Coolify, Dokku, and a Homelab
Early in the 2020s, everything moved to the cloud. By 2025-2026, more and more people are dragging computers back under their own desks. Tailscale gave away a working WireGuard mesh VPN for free, and the NAT-traversal ni
2026-05-14 · 25 min read #self-hosting#homelab#tailscale#coolify#dokku