在 github 上多帳號與多組 ssh key 使用

Steps

1. create new ssh pair

ssh-keygen -t rsa -C '[email protected]' -f id_rsa_mygit

2. edit ~/.ssh/config

# company github account
Host github.com
   HostName github.com
   IdentityFile ~/.ssh/id_rsa
   IdentitiesOnly yes

# my github account
Host github-mygit
   HostName github.com
   IdentityFile ~/.ssh/id_rsa_mygit
   IdentitiesOnly yes

3. add into ssh-agent

ssh-add -D && ssh-add -L # reset all ssh keys, optional
# add them into ssh-agent
ssh-add ~/.ssh/id_rsa
ssh-add ~/.ssh/id_rsa_mygit
# ...other keys if you want
# test connection
ssh -T [email protected]
ssh -T git@github-mygit

4. clone your git project

git clone git@github-mygit:xxxxx/xxxxx.git

About submodule

修改其於 .git/modules/<folder>/config 裡的設定

...
[remote "origin"]
    url = [email protected]:xxxxx/xxxxx.git
    fetch = +refs/heads/*:refs/remotes/origin/*
...

這樣就可以正常使用不同 github 帳號的 ssh key 了

Reference

cmd + /