Multiple SSH Keys settings for different github account
create different public key
create different ssh key according the article Mac Set-Up Git
$ ssh-keygen -t rsa -C "user1@gmail.com"
Please refer to github ssh issues for common problems.
for example, 2 keys created at:
~/.ssh/id_rsa_user1
~/.ssh/id_rsa_user2
then, add these two keys as following
$ ssh-add ~/.ssh/id_rsa_user1
$ ssh-add ~/.ssh/id_rsa_user2
you can delete all cached keys before
$ ssh-add -D
finally, you can check your saved keys
$ ssh-add -l
Modify the ssh config
$ cd ~/.ssh/
$ touch config
$ subl -a config
Then added
#user1 account
Host github.com-user1
HostName github.com
User git
IdentityFile ~/.ssh/id_rsa_user1
#user2 account
Host github.com-user2
HostName github.com
User git
IdentityFile ~/.ssh/id_rsa_user2
Clone your repo and modify your Git config
clone your repo git clone git@github.com:user1/gfs.git gfs_user2
cd gfs_user2 and modify git config
$ git config user.name "user2"
$ git config user.email "user2@gmail.com"
or you can set the global git config
$ git config --global user.name "user2"
$ git config --global user.email "user2@gmail.com"
then use normal flow to push your code
$ git add .
$ git commit -m "your comments"
$ git push