I had been struggling recently with GitHub, after having turned on two-factor authentication for my account. Authentication for pushing to git repositories on my account no longer seemed to work.

For a while, I used the GitHub Desktop client as a workaround, until more recently when I wanted to clone other people’s repositories, but add my own account as an additional remote and push to my own account.

It turns out GitHub recommends creating a personal access token for the command line in this scenario, as outlined here: