Git Prepare logins and ssh keys for git usage

To use git comfortably we first have to make our public ssh user key known to Git (more detailed information about using ssh keys for connecting to Git can be found here https://help.github.com/en/articles/connecting-to-github-with-ssh).

Create your own public / private ssh keys

First, go to ~/.ssh/ and check, if you already have an existing pair of ssh keys:

ls -al ~/.ssh

Typically, the ssh keys are named id_ed25519 and id_ed25519.pub. If they do not exist, create your own ssh keys by typing

ssh-keygen -t ed25519 -C "your_email@gsi.de"

When asked, choose an ssh key password (and remember it).

When you have an ssh agent running (which is typically the case when loggin in with the graphical userinterface via rdp), then you can add your newly created ssh private key to the ssh agent with

ssh-add ~/.ssh/id_ed25519

This is optional but highly recommended. It saves you from entering your SSH key password every time git connects to gitea (which might be very often when doing e.g. maven releases).

Upload your public key to Gitea

To upload your public ssh key, please add a new key to your Gitea account by copying the contents of your id_ed25519.pub file to the corresponding text box: (Please note that the screenshots are a few days older and show the old rsa key, but the steps remain the same.)

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