Add SSH Key to Droplet

Today here at Arzhost, our experts discuss how we Add SSH Key to Droplet in the Digital Ocean. My Digital Ocean (DO) droplet is configured so that a password cannot be used to access it. However, since I lost the private SSH Key when I changed my local PC, I can no longer access my droplet. Thankfully, I can still connect to the remote server through Web Console, but it’s too sluggish and choppy.

I add my current ssh key to the droplet by following these steps:

1: Create a Fresh Set of SSH Keys on Your Current Local Machine.

Add SSH Key to Droplet, the following command can be used to create a new ssh key pair if there isn’t one already in the local system ($HOME/.ssh/):

  • keygen-ssh -t rsa

Alternatively, you can use this command to attach your email to the key:

  • keygen-ssh -t rsa -b 4096 -C "your email@example.com"

2: Store the Public Key in a Different File.

To copy id rsa.pub to key.txt, issue the following command to Add SSH Key to Droplet:

  • cd ~
  • if (cat /.ssh/id rsa.pub > key.txt)

3: Submit the Public Key to a Service for File Sharing.

Run the command line:

  • curl key.txt at https://bashupload.com —data-binary

The reply will provide a download link for the key. Save it for use in the following step to Add SSH Key to Droplet.

4: Launch the Following Command after Logging in to the DO Droplet Using the Web Console:

  • cd ~/.ssh
  • Link-from-Previous-Step: wget
  • cat key.txt >> authorized keys

Note: Use >> to guarantee that the key is appended to the authorized keys file rather than being overwritten when using the cat command.

5: Utilize the New Local Machine to Access the Droplet

To connect to a droplet via SSH, enter the following command:

  • Username@IP Address: ssh

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Digital Ocean Add SSH Key to Droplet

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