Access Multiple Github Account from one system.

Accounts with username on github.com:

1.account1-username
2.account2-username

ssh key on your system (use ssh-keygen to generate the keys, ssh-add to add the keys)

1. id_rsa         for account1-username          (ssh-keygen -C "your_email@example.com")
2  id_ed25519     for account2-username          (ssh-keygen -t ed25519 -C "your_email@example.com")

create config file in folder .ssh with name config

add these to your config file .ssh/config

Host account1
HostName github.com
IdentityFile ~/.ssh/id_rsa                   # add path to your private key for account1-username


Host account2
HostName github.com
IdentityFile ~/.ssh/id_ed25519               # add path to your private key for account2-unsername

clone your repository with respective accounts (using git clone git@:username.git)

1. For account1-username having repo  ssh link  -> git@github.com:account1-username/repo.git
    a. replace github.com with Host in config file with respective account, for account1-username -> account1
    > git clone git@account1:account1-username.git

2. For account2-username haveing repo ssh link -> git@github.com:account2-username/repo.git
    a. replace github.com with Host in config file with respective account, for account2-username -> account2
    > git clone git@account2:account2-username.git

after cloning you don't need to worry about key