How do I import an existing ssh key?

Import an existing SSH key

If you have a newer style OpenSSH key, convert it using the ssh-keygen utility.
Back up your existing GPG key.
In a new keyring, import your existing GPG key.
Import the SSH key as a new standalone GPG key.
Add the SSH key as a subkey of your GPG key.

Can I reuse my ssh key?

Your private key is never sent to the other site so it’s perfectly safe to reuse the public key. It’s also OK to reuse the same key your local computers.

Can I use the same ssh key for different services?

As far as security is concerned, you don’t compromise your key in any way by using it to log in on a machine (as you would by using a password), so having separate keys for separate destinations doesn’t make you any more safe from an authentication/security perspective.

How do I copy a ssh key to another user?

1 Answer

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

How do I copy a SSH key in terminal?

Procedure

In a terminal window, enter the following command: ssh-keygen -t rsa.
Follow the prompts to generate the key. You must provide a file name and a passphrase. A public and a private key are generated.
Copy the public key to each node computer, by using the following command: ssh-copy-id username @ node_name.

How do I use an existing SSH key in GitHub?

Steps to generate another ssh key:

from cmd prompt go to c:/users/xyz/mkdir .ssh.
open gitbash from c:/program files/git/bin/bash.exe.
type ssh-keygen -t rsa -C “your-email-address”
Enter full path when asked for the file name (this is important) C:/Users/xyz/.ssh/id_rsa_ge.

Can I copy ssh keys?

When performing a manual copy, we need to make sure to set all file permissions as restrictive as possible. The easiest way to copy SSH keys is using the ssh-copy-id script.

Should I generate a new SSH key?

About SSH key generation If you want to use a hardware security key to authenticate to GitHub, you must generate a new SSH key for your hardware security key. You must connect your hardware security key to your computer when you authenticate with the key pair. For more information, see the OpenSSH 8.2 release notes.

Can I copy the ssh key on two computers?

Yes, that’s perfectly legitimate. ssh keys don’t care where they were generated, and it’s fine to have them on multiple machines at once.

Do I need several ssh keys?

You use SSH for connecting to remote servers, which also includes managing your code using Git and syncing with remote repositories. Even though it is considered a good practice to have one private-public key pair per device, sometimes you need to use multiple keys and/or you have unorthodox key names.

Where can I copy SSH keys?

If you are going to copy the key to root user the location will be /root/. ssh/authorized_keys . Your public key has been saved in /root/. ssh/id_rsa.

How do I manually copy a SSH key?

Manually Copy the SSH Key with PuTTY Open the authorized_keys file with the text editor of your choice ( nano , for example). Then, paste the contents of your public key that you copied in step one on a new line at the end of the file. Save, close the file, and exit PuTTY.

How to generate a public SSH key in Git?

Create a new Project in Unfuddle. Then, create a new repository and associate the repository to the project. Remember to choose Git as repository type. Now you need to generate a public SSH key to authenticate yourself. If you installed TortoiseGit, you should have Puttygen installed too. Open it and generate a private and a public key.

Where do I copy my SSH key to root?

If you are going to copy the key to root user the location will be /root/.ssh/authorized_keys . From the Step 1 : you may have seen the below line Your public key has been saved in /root/.ssh/id_rsa.pub. This says the public key which you need to copy to the remote server is located in the above file.

How to generate a putty key for TortoiseGit?

If you installed TortoiseGit, you should have Puttygen installed too. Open it and generate a private and a public key. Save the public key and the private key with the same filename, the only difference is that the private key should have a.ppk file extension. Also, copy the public key in the top part of the Putty Key Generator.

How to setup SSH keys between two servers?

To setup SSH keys between two servers we need to follow these steps: Create a key pair on the source server. When we give ssh-keygen command, it will by default create a 2048 -bit RSA Key pair and if you need more stronger encryption you can use 4096 bit as well.

How do I import an existing ssh key?