How do I generate a ssh key for a specific user in Linux?

How do I generate a ssh key for a specific user in Linux?

Answer

1. Login as the user for which the SSH key is to be generated.
2. To generate an RSA ssh key, issue the command: ssh-keygen -t rsa.
3. Respond to prompts from the ssh-keygen command, which generates an SSH key in ${HOME}/.ssh (unless the user specified a different directory)

How add ssh key to another user?

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1. Generate a key pair using puttygen save the private key to your hard disk.
2. Copy the public key then log in to your droplet as root switch to your user su user then create a directory called .ssh in your home directory and create a file inside it called .authorized_keys and paste the public key there.

Is ssh key specific to user?

ssh directory cannot be readable or writeable by anyone but the user, and the user’s home directory cannot be writeable by anyone but the user. Likewise, permissions must be tight on the private key, as well: Read/write for only the user, and the . ssh directory and private keyfile must be owned by the user.

How do I copy a ssh key to another user in Linux?

1 Answer

1. Create the folder if it doesn’t already exist: mkdir /home/$USER/.ssh.
2. Make the directory only executable by the user: chmod 700 /home/$USER/.ssh.
3. Copy the authorized_keys file that contains your public key:
4. Make everything in .ssh owned by your user:
5. Make it readable only by your user:

Should I create a new SSH key?

You should always generate new keys regularly to avoid having keys that are likely to be insecure. One reason to have passwordless authentication is to have automated scripts or programs access the remote host without any human interaction. As an example, rsync can automatically retrieve files from the remote server via SSH.

How to Git clone SSH?

skip this step and go to configuring SSH keys.

Is it possible to rename a GitHub SSH key?

It is not possible to rename keys on GitHub. You can only delete them. But it is possible to delete them and add them with a new name. It doesn’t matter for this whether or not it has been used already. Be careful: When you delete the key, it is not possible to restore it. To add it again, you need to have access to the public key.