Generate Ssh Key Linux Gitlab

Posted : admin On 17.04.2020

This tutorial covers the configuration process of adding SSH key to a GitLab account. Configuration procedure. Before starting the configuration procedure, first generate the SSH key in the target local machine which has to be added to the GitLab account. user1@localhost git$ ssh-keygen -t rsa. Dec 24, 2014  To set up your SSH key, perform the following steps: Open GitLab and go to your account settings. Click on SSH. Click on Add SSH Key. To get information about your SSH key, enter the following command in your terminal. If you're using Windows, go to step 7: $ cat /.ssh/idrsa.pub. Generating a new SSH key pair. Before creating an SSH key pair, make sure to understand the different types of keys. To create a new SSH key pair: Open a terminal on Linux or macOS, or Git Bash /.

  1. Ssh Key For Gitlab
  2. Generate Ssh Key In Gitlab
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Description

The SSH stands for Secure Shell or Secure Socket Shell used for managing the networks, operating systems and configurations and also authenticates to the GitLab server without using username and password each time. You can set the SSH keys to provide a reliable connection between the computer and GitLab. Before generating ssh keygen, you need to have Git installed in your system.

Creating SSH Key

Step 1 − To create SSH key, open the command prompt and enter the command as shown below −

It will prompt for 'Enter file in which to save the key (//.ssh/id_rsa):', just type file name and press enter. Next a prompt to enter password shows 'Enter passphrase (empty for no passphrase):'. Enter some password and press enter. You will see the generated SSH key as shown in the below image −

Step 2 − Now login to your GitLab account and click on the Settings option.

Step 3 − To create SSH key, click on the SSH keys tab at left side of the menu.

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Step 4 − Now go to C drive, you will see the file with .pub extension which was generated in the first step.

Step 5 − Next open the key.pub file, copy the SSH key and paste it in the highlighted Key box as shown in the below image −

Step 6 − Click on the Add Key button, to add SSH key to your GitLab. You will see the fingerprint (it is a short version of SSH key), title and created date as shown in the image below −

Linux and Mac OS X both come with support for SSH and SSH keys out of the box. Launchpad uses SSH keys to authenticate your computer with your Launchpad account. This guide shows you how to get that done.

SSH Keys

The first thing you need to do is generate your SSH keypair. A keypair, as the name implies, consists of 2 parts: the public key and the private key.

Public Key

Your public key is placed on remote servers so that they can check back with you to see that you are who you say you are.

Private Key

Ssh Key For Gitlab

Your private key should NEVER leave your computer! This is the main file that authenticates you. It contains the special unique data that identifies you.

Generating a Keypair

Generating a keypair is very easy.

  1. Open a terminal
  2. Enter in the following in the terminal:$ ssh-keygen -t rsa -b 4096
  3. Accept the defaults, to save your public and private keys to ~/.ssh
  4. Open your public key (~/.ssh/id_rsa.pub) in a text editor (GEdit or Kate on Linux, TextEdit on Mac OS X)

Launchpad & SSH

When you use Launchpad and Bazaar, it likes to use the SSH keys to authenticate you. We need to add our public key to Launchpad.

Adding Your Public Key to GitLab

  1. Open your browser to GitLab and log in
  2. Go to your home page and click on the 'Profile / Settings' link
  3. Click on the 'SSH Keys' tab (Note: not the OpenPGP keys!)
  4. Paste that public key into the text box at the bottom of the page
  5. Click the 'Add Key' button at the bottom of the page

And you're done!

More In Depth Example

This is specific to Mac OS X 10.6, but should be similar on any Mac or Linux system.

Generate Ssh Key In Gitlab

  1. Open Terminal
  2. Change to hidden SSH folder $ cd ~/.ssh/
  3. Generate a key ssh-keygen -t rsa -b 4096 Prompts for above are as follows, just hit enter for the file name, and then enter the password twice and you are done.
    1. Enter file in which to save the key (/Users/username/.ssh/id_rsa): [Just Hit Enter]
    2. Enter passphrase (empty for no passphrase): [Enter a unique password]
    3. Enter same passphrase again: [Renter a unique password]
    4. Make sure you remember your password you enter
    5. Now you should have 2 new files in your folder, named id_rsa and id_rsa.pub which are your private and public keys respectively.
  4. Set permissions on the keys you just created to be as restrictive as possible. chmod 400 id_rsa*
  5. Modify the SSH config file to automatically use your just created key every time you connect to launchpad
    1. Use your choice of text editor to edit ~/.ssh/config
    2. sudo vi config
    3. Hit i to enter insert mode
    4. Add the following text to the bottom, where it says yourlaunchpdusername replace with your gitlab user name. ( to get yourgitlabname visit https://gitlab.com/~ and it will redirect to add your username to the url after the ~ )Host bazaar.launchpad.net
 IdentityFile ~/.ssh/id_rsa
 User yourgitlabusername
    5. Hit Escape
    6. Hit ZZ
  6. Copy the contents of your public key file on the Maccat ~/.ssh/id_rsa.pub pbcopy Linux users or Mac users can alternatively open ~/.ssh/id_rsa.pub with your favourite text editor or omit pbcopy and just copy it after running the command cat ~/.ssh/id_rsa.pub.
  7. Finally Edit your SSH keys on launchpad as described in Adding Your Public Key to GitLab above. ( you can click on This Link which will take you directly to the page to update your SSH keys on gitlab ). Make sure you are on SSH keys and not PGP keys here.