How to set up using GitHub SSH with keys without agent

GitHub SSH without agent

1. This assumes an SSH keypair exists, usually in ~/.ssh (windows C:\Users\<username>\.ssh)

2. This assumes a git repository exists, otherwise create one as usual `git init`

3. Create a Repository on GitHub

4. Add SSH key to GitHub

5. Add the remote origin from gthub

```
git remote add origin [email protected]:<username>/<repo>.git
```

use `git remote -v` to verify

6. Edit your SSH config-file `~/.ssh/config` (windows `C:\Users\<username>\.ssh\config`) and add a Host

```
Host github
 HostName github.com
 User git
 IdentityFile "path/to/ssh/private-key"
 IdentitiesOnly yes
```

7. Edit the git projects config-file `.git\config` and add in [core]

```
sshCommand = "ssh -F <path/to/ssh/config/file>"
```

8. Use git push like usual

```
git push origin master
```

This was helpful, thank you both! I'll add that the ssh command can also be set via the GIT_SSH_COMMAND environment variable if editing the config is inconvenient.

Ill just add that for some reason this did't work and trying git push origin main (my branch is called main, not master) I was getting [email protected]: Permission denied (publickey)'.. However putting only the following in the ~/.ssh.config file:

Host github.com
 IdentityFile "path/to/ssh/private-key"

did work. So someone may want to try that if they are having the same issue as me. Maybe someone smart may immediately identify why the original .ssh/config was not working for me.