Software & Development

Languages, runtimes, tooling and version control.

• Guide3 August 2026

  Cloning a private GitHub repository over SSH on Ubuntu

  Generating the right key, choosing between a personal key and a deploy key, adding a second repository to a server that already deploys one, and decoding the 'Repository not found' error that GitHub returns instead of a permission denial.

• Guide2 August 2026

  Git on Ubuntu 20.04, 22.04 and 24.04: install, GitHub authentication and cloning over SSH

  Installing Git, generating an SSH key, connecting it to GitHub, and every other way to authenticate — personal access tokens, the gh CLI, deploy keys for servers, and juggling two accounts on one machine.