From August, github removed the use of authentication for https when using git. If you had cloned repositories using https rather than ssh you will have issues with pulling and pushing to github. For documentation about how to change to using ssh to …

Intro Once you have finished Software Carpentry Git lesson, you should be able to do basic version controlling with Git. You would have learnt how to: Stage and commit your changes Make a remote GitHub repository Push and pull from your remote …