how to test github connection

1. ssh-keygen -t rsa -b 4096 -C "bormarek@gmail.com"

2. root@ubuntu:~# eval "$(ssh-agent -s)"
Agent pid 22355

3. root@ubuntu:~# ssh-add ~/.ssh/id_rsa
Identity added: /home/marek/.ssh/id_rsa (/home/marek/.ssh/id_rsa)

4. root@ubuntu:~# ssh -T git@github.com
Hi bormarek! You've successfully authenticated, but GitHub does not provide shell access.