How to add 2 machines to one gitlab account?

Question

git

How to add 2 ssh keys to git account?
Did the given command of the User by two machines specified the same. On the second machine, git does not give access.
ssh-keygen -t rsa -C 'username' -b 4096

Answer 1

Have you uploaded id_rsa.pub to gitlab?
https://docs.gitlab.com/ee/ssh/#adding-an-ssh-key-...