Running multiple git ssh logins via Terminal

gitsshterminal

I recently set up an SSH key for by Bitbucket account, which works very nicely. But I also have other git repos like Github, GitLab (non ssh at the moment) and I came to push to one of those other accounts and I think the Terminal defaulted to use my bitbucket ssh keys.

So how would I force Terminal to either let me login with a username and password when using a github repo, or let me pick which ssh keys to use, say I had setup up keys for Gitlab and Github?

Best Answer

There a different ways of achieving this.

you could use the same key for all your git repos.
you could use different keys and specify which one to use when logging into a remote system:
```
$ ssh -i ~/.ssh/bitbucket-key user@host
$ ssh -i ~/.ssh/gitlab-key user@host
```

-i identity_file

Selects a file from which the identity (private key) for public key authentication is read. The default is ~/.ssh/id_dsa, ~/.ssh/id_ecdsa, ~/.ssh/id_ed25519 and ~/.ssh/id_rsa. Identity files may also be specified on a per-host basis in the configuration file. It is possible to have multiple -i options (and multiple identities specified in configuration files). If no certificates have been explicitly specified by the CertificateFile directive, ssh will also try to load certificate information from the filename obtained by appending -cert.pub to identity filenames.

I would create a key pair for each git repo, then in Bitbucket you would upload the key to the Bitbucket website. Gitlab and Github work the same way.

Once you uploaded your key to your repository it is enough to git push without need to specify your key.

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MacOS – ssh-add every time I want to use SSH to login to the remote server

I know it does not answer your question directly, but have you tried using a config file to map you keys to servers?

in .ssh create a file called config In the file put your server entries and map the key

Host server1
HostName  10.10.10.1
User myUser
IdentityFile ~/.ssh/id_rsa

then you can just run ssh server1

MacOS – Setting up a git (ssh) server using OS X Server

You need to create a "bare" git repo: a repository that can never have files checked out. Everyone pulls and pushes from the server like normal, but nobody can actually work on the server (unless they make a non-bare clone).

If you are creating a new repository called "my_bare_repo.git", you can make it bare like so:

cd /Users/git (or whatever)
git init --bare my_bare_repo.git

Using your git server

On the client machine, you would clone the repo like so:

git clone ssh://user@yourmachine.domain.com/Users/git/my_bare_repo.git

If you have an existing local repo, you can add a remote origin like so:

git remote add origin ssh://user@yourmachine.domain.com/Users/git/my_bare_repo.git

Then use the server app to set up "sharing only" users that can use ssh services. You can manage the users and profiles locally or remotely through web and/or server app. The ssh access is controlled in the Server entry in the top left - then click on Settings on the right and select SSH.

Best Answer

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MacOS – ssh-add every time I want to use SSH to login to the remote server

MacOS – Setting up a git (ssh) server using OS X Server

Using your git server

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