https://daniele-michelin.com/en/cheat-sheets/ Commands for dig, docker, git, journalctl, nginx, occ, openssl and systemctl, searchable and copyable. en https://daniele-michelin.com/en/cheat-sheets/dig-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/dig-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000The dig queries I actually use for DNS migrations and mail issues – searchable and copyable in one click. https://daniele-michelin.com/en/cheat-sheets/docker-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/docker-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Field-tested Docker and Compose commands for running servers – searchable and copyable in one click. With warnings on commands that delete data. https://daniele-michelin.com/en/cheat-sheets/git-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/git-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Git commands for everyday work and emergencies – searchable and copyable in one click. With warnings on commands that discard work for good. https://daniele-michelin.com/en/cheat-sheets/journalctl-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/journalctl-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Filter systemd logs precisely instead of scrolling forever – everyday journalctl commands, searchable and copyable in one click. https://daniele-michelin.com/en/cheat-sheets/nextcloud-occ-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/nextcloud-occ-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Field-tested occ commands for running Nextcloud – searchable and copyable in one click. Run them from the Nextcloud directory, e.g. /var/www/nextcloud. https://daniele-michelin.com/en/cheat-sheets/nginx-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/nginx-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Field-tested nginx commands and config snippets for running servers – searchable and copyable in one click. Always test the config first, then reload. https://daniele-michelin.com/en/cheat-sheets/openssl-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/openssl-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Check certificates, debug chains, convert formats – everyday openssl commands, searchable and copyable in one click. https://daniele-michelin.com/en/cheat-sheets/systemctl-cheat-sheet/https://daniele-michelin.com/en/cheat-sheets/systemctl-cheat-sheet/Thu, 12 Nov 2026 12:46:44 +0000Field-tested systemd commands for everyday admin work – searchable and copyable in one click. Units, timers, overrides and boot analysis.