security · 3

• $

  sudo --use-touch-id

  Touch ID for sudo

  September 26, 2026·5 min read·#macos#sudo#touchid#security

  Authenticate sudo with your fingerprint instead of your password, in the terminal and inside tmux.

• $

  ssh-keygen -t ed25519

  SSH keys you only unlock once

  September 26, 2026·10 min read·#ssh#security#macos#ubuntu#zsh

  Create SSH keys and add them to a host or to GitHub or another version control service.

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  gh auth in a box

  git and gh CLI in a dev container

  September 19, 2026·21 min read·#devcontainer#vscode#github#git#ssh#security#dev

  Two GitHub identities on one laptop, kept apart by a dev container, an SSH key and a token. Runs the same on macOS, Ubuntu and Windows with WSL.