ssh-keygen -t rsa -C "[email protected]" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t rsa -C "[email protected]" -b 4096 -f ~/.ssh/id_rsa_gitlab
ssh-keygen -t rsa -C "[email protected]" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t rsa -C "[email protected]" -b 4096 -f ~/.ssh/id_rsa_gitlab