> For the complete documentation index, see [llms.txt](https://docs.k9.io/key9-identity/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.k9.io/key9-identity/ssh/installation-and-setup/technical-notes.md).

# Technical Notes

- [Pop!\_OS - "agent refused operation"](https://docs.k9.io/key9-identity/ssh/installation-and-setup/technical-notes/pop-_os-agent-refused-operation.md): This fix may apply to other Linux distributions.