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Generate RSA keys with SSH by using PuTTYgen

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  1. PuTTY contains an SSH client, as well as utilities to generate SSH keys and allow an SSH connection between your computer and a server to authenticate you based on your SSH key. 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.
  2. Sep 06, 2018  I am trying to load a new SSH key to my user on Gitlab EEP and the server responds with this message: Key is invalid Key type is forbidden. Must be RSA, DSA, ECDSA, or ED25519 Fingerprint cannot be generated' Steps to reproduce: Download Puttygen (latest version, 64 bit on Windows 10) Select the menu option “Key - SSH-2 RSA Key”.
  3. To create and use SSH keys on Windows, you need to download and install both PuTTY, the utility used to connect to remote servers through SSH, and PuTTYgen, a utility used to create SSH keys. On the PuTTY website, download the.msi file in the Package files section at the top of the page, under MSI (‘Windows Installer’).
  4. Using the Git Bash, use ssh-keygen to generate a pair of RSA public/private keys. More information on how to do this can be found on the official Generating SSH keys article. In PuTTYgen, import your existing /.ssh/idrsa (private) key, via Conversions → Import key. Save the imported key via the Save private key button as /.ssh/idrsa.ppk.
Gitlab Generate Ssh Key Putty

One effective way of securing SSH access to your cloud server is to usea public-private key pair. This means that a public key is placed onthe server and a private key is placed on your local workstation.Using a key pair makes it impossible for someone to log in by using justa password, as long as you set up SSH to deny password-basedauthentication.

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. 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.

This article provides steps for generating RSA keys by using PuTTYgen onWindows for secure SSH authentication with OpenSSH.

Generate keys

In Windows, use PuTTYgen to generate your public and private keys.

  1. If needed, download PuTTYgen from the PuTTY download page.(PuTTYgen might have been installed previously with PuTTY or WinSCP.)
  2. Launch the program, and then click the Generate button.The program generates the keys for you.
  3. Enter a unique key passphrase in the Key passphrase andConfirm passphrase fields.For additional information about using passphrases,see Log in with a SSH Private Key on Windows.
  4. Save the public and private keys by clicking the Save public keyand Save private key buttons.
  5. From the Public key for pasting into OpenSSH authorized_keys filefield at the top of the window, copy all the text (starting with ssh-rsa)to your clipboard by pressing Ctrl-C.You need this key available on your clipboard to paste eitherinto the public key tool in the Control Panel or directly into theauthorized keys on your cloud server.

Use the key pair

You can use the RSA key pair in the following ways.

Specify your SSH key when creating a new cloud server

When you create a cloud server, you can assign a public key from the list of keys.If your key is not already in the list, you may add it, and then assign it.

Add a new public key to the list

  1. Under Advanced Options on the Create Server page, click Manage SSHKeys.
  2. Select public key for the cloud server from the SSH Keys listand click Add Public Key.
  3. Enter the key name, select the region, and paste the entire publickey into the Public Key field. Then click Add Public Key.
  4. Go back to the Create Server page, and confirm that your key is listedin the SSH Key list.

Assign a public key

  1. Under Advanced Options on the Create Server page, select the publickey you want to use from the SSH key drop-down menu.
  2. When you are done specifying the all the other details for the server,click Create Server.

Assign your SSH Key to an existing cloud server

To make use of your newly generated RSA key pair, you must tell PuTTY touse it when connecting to your cloud server.

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  1. To edit the file (or create it), run the following command on the cloud server:

  2. Paste the text onto its own line in the file. Monster hunter generations village key quest.

    You must have the key available in your clipboard to paste it. The key and itsassociated text (the ssh-rsa identified at the start and the comment at the end)must be on one line in the file. If the text is word-wrapped onto multiple linesan error might occur when connecting.

  3. If you created the authorized_keys file, change its permissionsafter you’re done editing it by running the following command:

  4. Open PuTTY, and go to the SSH > Auth section.

  5. Browse to the location of the key file, and load the private key.

  6. Go to the Session page, and save the session. This saves the configurationso that PuTTY uses the key every time that you connect to your cloudserver.

After you save your session, your key is loaded automatically when youconnect to your server.

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Windows 10 SSH

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.

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Public KeyYour 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 KeyYour 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. Type in the following:ssh-keygen -t rsa -b 4096
  3. Follow the prompts, to save your public and private keys to C:/Users/username/.ssh directory. Remember to change the filename if you have more than one keypair.
  4. Open your public key (C:/Users/username/.ssh/id_rsa.pub) in the notepad text editor.

Launchpad & SSH

When you use Launchpad and Bazaar, it likes to use the SSH keys to authenticate you.

Adding Your Public Key to Launchpad

  1. Select the text in the box that appears at the top of PuTTYgen
  2. Open your browser to Launchpad and log in
  3. Go to your home page and click on the Change details link
  4. Click on the SSH Keys tab
  5. Paste that public key into the text box at the bottom of the page6 Click the Import Public Key button at the bottom of the page

You should now be able to work with Launchpad using ssh.

Older Windows SSH

Unfortunately before Windows 10 does not come with the extensive array of tools that Linux and other open source operating systems do. However, there are some open source tools that allow us to accomplish the same things.

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Versions of Windows older than Windows 10 have no native support for SSH and SSH keys. Launchpad uses SSH keys to authenticate your computer to your Launchpad account. This guide shows you how to get that done.

Getting SSH on Windows

PuTTY is a free implementation of Telnet and SSH for Windows, along with an xterm terminal emulator. It is written and maintained primarily by Simon Tatham. You will need to download the PuTTY Windows installer (we don't need PuTTYtel) and install on your computer.

PuTTY contains an SSH client, as well as utilities to generate SSH keys and allow an SSH connection between your computer and a server to authenticate you based on your SSH key.

Gitlab Ssh Key Putty

SSH KeysThe 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 KeyYour 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 KeyYour 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 with PuTTY is very easy.

  1. Launch PuTTYgen
  2. Give your key a nice name (on Unix systems it's @<pc_name>)
  3. At the bottom, select SSH2 RSA
  4. Set the bits to 4096
  5. Click the Generate button
  6. Click the Save private key button and save your private key to somewhere safe on your computerDon't close PuTTYgen just yet!

Launchpad & SSH

When you use Launchpad and Bazaar, it likes to use the SSH keys to authenticate you. Once again, PuTTY comes to our rescue.

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Adding Your Public Key to Launchpad

  1. Select the text in the box that appears at the top of PuTTYgen
  2. Open your browser to Launchpad and log in
  3. Go to your home page and click on the Change details link
  4. Click on the SSH Keys tab
  5. Paste that public key into the text box at the bottom of the page6 Click the Import Public Key button at the bottom of the page

Using Pageant For SSH Key Auth

Unfortunately uploading your public key to Launchpad on it's own is not enough. You also need to make sure Launchpad can speak to your private key.

  1. Run Pageant (you'll see a little icon of a computer with a hat appear in your system tray
  2. Right-click on the icon and click View Keys
  3. Click the Add key button and find your private key
  4. Click the Close button, and you're all ready!

In order to get Pageant to start and load your key automatically.Create a shortcut to Pageant in your Windows Startup menuRight click on that shortcut and bring up the PropertiesChange the target to add the path of your ppk file as an argument:

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C:Program Files (x86)PuTTYpageant.exe' 'C:UsersusernameDocumentsprivatekey.ppk