ssh -T git@gitlab.com
登録していたら
The authenticity of host 'gitlab.com (172.65.251.78)' can't be established.
ECDSA key fingerprint is SHA256:HbW3g8zUjNSksFbqTiUWPWg2Bq1x8xdGUrliXFzSnUw.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'gitlab.com,xxx.xxx.xxx.xxx' (ECDSA) to the list of known hosts.
Welcome to GitLab, @<ユーザ名>!
と歓迎してくれる。
##やっつけ的コマンドまとめ
-git clone ...
-git add .
-git commit -m "..." -a
-git push
-git pull
確認用
-git status
-git diff
-git log