[github, ssh, key] How to resolve the issue "Error: Key already in use" when you deploy an ssh key to a repository in GitHub

How to resolve the issue "Error: Key already in use" when you deploy an ssh key to a repository in GitHub 

Jing, mqjing@gmail.com

 

Resolved procedure

Step 1: Check which repository used the key

ssh -T -ai ~/.ssh/id_rsa git@github.com

Step 2: Remove the key from the repository

[github page] -> Your project:[Settings] -> [Deploy keys]

Reference

https://docs.github.com/en/github/authenticating-to-github/error-key-already-in-use#:~:text=To%20determine%20where%20the%20key,specific%20ssh%20key%20%3E%20Hi%20username!