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multipe-accounts.md

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Problem

Two github accounts, mahimanWork(my-work) and mahiman12(my personal). I want to use both accounts on the same computer (with use of ssh-keys and not using email and password). Adding your existing ssh key (for ex. id_rsa.pub, id_ed25519.pub, etc.) in github settings for both of your accounts won't help and will throw an error.

Solution

We have to use host name/alias in the config file (for every account) in ~/.ssh folder to solve the problem

Solution : Step by Step

  1. Check for existing keys : ls -al ~/.ssh

  2. Check if you have existing .pub keys after step 1:

    id_rsa.pub
    id_ecdsa.pub
    id_ed25519.pub

  1. If you have an existing key then you have to make another key, otherwise you'll have to create two separate keys :

    1. ssh-keygen -t rsa -b 4096 -C "[email protected]"

    2. Enter your ssh-key filename for work id, when prompted Enter a file in which to save the key

      Enter a file in which to save the key (/Users/you/.ssh/id_rsa): /Users/betterhalf/.ssh/id_work

    3. Press enter and You will be prompted to Add paraphrases. Add if you want to else press Enter

    4. Now, for personal github account, repeat the same process with different email id in the 1st step and in the second step you may use /Users/betterhalf/.ssh/id_mahiman different file name to save the key

    5. So, now you will have to separate keys for work and personal accounts.

  2. Now, check if you have config file present :

    open ~/.ssh/config

    else, create a new file

    touch ~/.ssh/config

  3. Add host name/alias for your multiple accounts in the newly created config file : vim ~/.ssh/config

        # Default github account: mahimanWork
    Host github.com
        HostName github.com
        IdentityFile ~/.ssh/id_work
        IdentitiesOnly yes

    # Other github account: mahiman12
    Host github-mahiman
        HostName github.com
        IdentityFile ~/.ssh/id_mahiman
        IdentitiesOnly yes

  4. Add ssh private keys to your agent:

    ssh-add ~/.ssh/id_rsa
ssh-add ~/.ssh/id_mahiman

  5. Test your connection

        ssh -T [email protected]
    ssh -T [email protected]

  6. If everything is OK, you will get a message for successfull authentication, otherwise you will be prompted if you want to continue connecting. Just type yes and press Enter

  7. Now, clone your repository using your host name/alias : git@HostName-from-config:org/repository.git

    [email protected]:mahiman12/git-cmds.git /path/to/directory

Done! Good to Go! Thank you!