A guide in this repository, Ubuntu/apt/README.md, for installing, updating, inspecting, and troubleshooting packages on Ubuntu hosts, using Ubuntu 24.04 LTS as the main example.1

Takeaways

  • Refresh the index, simulate, inspect the plan, then apply; hidden state such as holds, phased updates, timers, and locks can change what an upgrade would do.1 See APT package management.

Footnotes

  1. Common Ubuntu APT Operations, original on GitHub ↩ ↩2