Check for Existing SSH Keys

You may already have an SSH key pair generated on your machine. To see whether you have SSH keys on the system, run the command:

ls -al ~/.ssh/id_*.pub

Generate SSH Key Pair

1. The first thing you need to do is generate an SSH key pair on the machine you are currently working on.

command is:

ssh-keygen -t rsa

Upload Public Key Using the ssh-copy-id or SFTP/SSH with Cat Command.

Option 1. Using the ssh-copy-id Command

Connect to the remote server and use the ssh-copy-id command, The public key is then automatically copied into the .ssh/authorized_keys file.

ssh-copy-id command:

ssh-copy-ide [remote_username]@[server_ip_address]

Option 2. Using The sftp with cat command :

sftp [remote_username]@[server_ip_address]
sftp> cd .ssh
sftp> put

Now login remote server :
cd .ssh
cat >> authorized_keys

Option 3. Using SSH with cat command :

cat .ssh/ | ssh [email protected] ‘cat >> .ssh/authorized_keys


Jobair Alam Bipul and I’m a 31-year-old tech enthusiast from Bangladesh. have been working in the E-commerce, Domain and Web Hosting industry for more than 10 years

Articles: 67

Leave a Reply

Your email address will not be published. Required fields are marked *

Time limit is exhausted. Please reload CAPTCHA.

This site uses Akismet to reduce spam. Learn how your comment data is processed.