Homelab and self-hosting field notes — the fixes that were not in the docs.https://blog.coopnet.cc/https://blog.coopnet.cc/blog/semaphore-task-limit-does-nothing/https://blog.coopnet.cc/blog/semaphore-task-limit-does-nothing/You set a task limit to test a playbook on one host. Semaphore ignores it and runs against every host in the inventory. Here is the trap, and the two ways to scope a run that actually work.Fri, 17 Jul 2026 00:00:00 GMThttps://blog.coopnet.cc/blog/sshd-t-missing-run-sshd/https://blog.coopnet.cc/blog/sshd-t-missing-run-sshd/Your sshd config is fine, but `sshd -t` exits non-zero anyway — and if you gate a config rollback on that check, you silently revert the hardening you were trying to apply. Here is why, and the one-line fix.Fri, 17 Jul 2026 00:00:00 GMThttps://blog.coopnet.cc/blog/stop-ansible-hanging-on-a-reachable-host/https://blog.coopnet.cc/blog/stop-ansible-hanging-on-a-reachable-host/A host answers pings and a bare ssh, but Ansible freezes on it indefinitely and takes the whole run down. Here is why ConnectTimeout and wait_for_connection do not save you — and how to hard-bound every SSH.Fri, 17 Jul 2026 00:00:00 GMT