TOPIC / TAG
Notes in configuration
5 articles
systemctl cat and Drop-In Overrides
Inspect the complete systemd unit and make a small local override without editing vendor files.
Use docker compose config Before Deploying
Render the Compose model before deployment to catch interpolation, merge, profile, and path surprises.
SSH Config Aliases for a Small Fleet
Replace long SSH commands with readable host aliases while keeping usernames, ports, keys, and jump hosts explicit.
Nginx Location Matching in the Order That Matters
Understand exact, prefix, and regular-expression locations before adding another Nginx block.
Test Nginx Configuration Before Reloading
Use Nginx's configuration test, inspect included files, and reload without replacing healthy workers with a broken configuration.