SHELL

git error:Administrator@github.com: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.

git remote set-url origin https_link_to_repository

git push -u origin master

git@github.com: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.

ssh-agent -s
ssh-add ~/.ssh/id_rsa

Output: git@github.com: Permission denied (publickey)

don't use passphrase when creating keys... 
especially when using this as a node package, 
coz even if prompted it won't work during installation

git@github.com: Permission denied (publickey). fatal: Could not read from remote repository.

$ssh-keygen -t rsa -b 4096 -C "your_email@example.com"