Adding a key to authorized_keys makes key login work. It does not stop password login from also working, so the server is still one weak password away from…
bash parses an environment variable whose value begins with () { as a function definition, and until last week it carried on executing whatever followed the closing brace.…
docker ps lists what is running, and after a fortnight of experiments it looks reassuringly short. The container that exited is not gone — its writable layer, its…
worker_processes × worker_connections gets quoted as nginx’s capacity, and for a static file server it is roughly right. For anything proxying to PHP-FPM it is out by a…