Create and manage multiple GitHub accounts

TechMunching TechMunching Follow Oct 14, 2019 · 4 mins read
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Managing personal and professional Github Account simultaneously

Managing Git

Managing Git

Say you have a personal GitHub account, everything is working perfectly fine. For managing the coexistence of your professional account (enterprise Github) and your personal account, you would need to have the ability to push and pull to multiple accounts.

Let’s see how!

Table Of Contents

  1. Generating the SSH keys
  2. Attach the New Key to corresponding GitHub account
  3. Registering the new SSH Keys with the ssh-agent
  4. Finally Creating the SSH config file
  5. Try it Out

Step 1–Generating the SSH keys

Before generating an SSH key, we should always check existing SSH keys:
ls -al ~/.ssh

If ~/.ssh/id_rsa is available, we can reuse it, or else we can first generate a key to the default ~/.ssh/id_rsa by running:

 ssh-keygen -t rsa

When asked for the location to save the keys, accept the default location by pressing enter. A private key and public key ~/.ssh/ will be created at the default ssh location ~/.ssh/. Let’s use this default key pair for our personal account.

cd ~/.ssh  
ssh-keygen -t rsa -b 4096 -C ""  
 # save as id_rsa_personal  
ssh-keygen -t rsa -b 4096 -C ""  

# save as id_rsa_work, you would have two different keys created ~/.ssh/id\_rsa\_personal  

The files with the .pub extension are the public files that you would add to your GitHub account. Now you should have something like —


Step 2 — Attach the New Key to corresponding GitHub account

We already have the SSH public keys ready, and we will ask our GitHub accounts to trust the keys we have created. This is to get rid of the need for typing in the username and password every time you make a Git push.

Copy the public key pbcopy < ~/.ssh/ and then log in to your personal GitHub account:

  1. Go to Settings
  2. Select SSH and GPG keys from the menu to the left.
  3. Click on New SSH key, provide a suitable title, and paste the key in the box below
  4. Click Add key — and you’re done!

For the work accounts, use the corresponding public keys (pbcopy < ~/.ssh/ and repeat the above steps in your GitHub work accounts.

Step 3 — Registering the new SSH Keys with the ssh-agent

To use the keys, we have to register them with the ssh-agent on our machine. Ensure ssh-agent is running using the command eval “$(ssh-agent -s)”.
Add the keys to the ssh-agent like so:

ssh-add -D // clears order keys, if any  
ssh-add ~/.ssh/id_rsa_personal  
ssh-add ~/.ssh/id_rsa_work

Step 4 — Finally Creating the SSH config file

We’ve done the bulk of the workload, but now we need a way to specify when we wish to push to our personal account, and when we should instead push to our company account. To do so, let’s create a config file.

touch ~/.ssh/config // Creates the file if not exists  
vim config // Opens the file in VIM editor  
code config // Opens the file in VS code, use any editor

If you’re not comfortable with Vim, feel free to open it within any editor of your choice. Paste in the following snippet.

# Personal account, - the default config  
 User git  
 Port 443  
 IdentityFile ~/.ssh/id_rsa_personal  
# Work account-1  
Host git.corp.<work_url>.com   
 HostName git.corp.<work_url>.com  
 User git  
 Port 443  
 IdentityFile ~/.ssh/id_rsa_work

Create the work specific git config (if not already created)

touch ~/.gitconfig

and add following snippet


 name = Your Name  
 email = [w](
 [includeIf "gitdir:~/work_folder/"]  
 path = ~/work_folder/.gitconfig

The above configuration uses Conditional includes introduced in git 2.13 to handle multiple configurations.

Alternatively, to add the config name and email, do git config and git config

 git config "Your Name" // Updates git config user name  
 git config ""

Create the personal specific git config:

$ nano ~/Personal/.gitconfig

and add —

 email =

Step 5— Try it Out

Proceed to authenticate the keys with GitHub using the commands below:

$ ssh -T  
# Hi USERNAME! You've successfully authenticated, but GitHub does not provide shell access. 

$ ssh -T  
# Hi USERNAME! You've successfully authenticated, but GitHub does not provide shell access.

Repositories can be cloned using the clone command Git provides:

git clone

The work repository will require a change to be made with this command:

 git clone

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