Linux, networks, observability
Short notes from day-to-day work: servers that misbehave, routing that does not do what the diagram says, monitoring that lies. Written down so the next time takes minutes instead of an evening.
Recent posts
- Path MTU is usually the answer 08.11.2026
- When conntrack fills up quietly 31.10.2026
- Two resolvers, two different answers 19.10.2026