The Problem Today I was setting up a new machine, running Linux Mint 21.1 Xfce, to work on a project with a repository on GitHub. I followed the instructions at GitHub docs for Generating a new SSH key and adding it to the ssh-agent, as I have done when setting up access on other machines. This has worked before on various Ubuntu flavours and Linux Mint versions, but this time I was greeted with an error message when I tried to access the remote repository from a local git repo. ...