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Generating Ssh Key With Putty

 
  1. Putty Ssh Public Key
  2. Generate Ssh Key Putty Linux

PuTTY is an SSH client that is available for Windows and Linux (although it is more common on Windows systems). Using key-based SSH logins, you can disable the normal username/password login procedure which means that only people with a valid private/public key pair can log in.

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Generating Your SSH Public Key Many Git servers authenticate using SSH public keys. In order to provide a public key, each user in your system must generate one if they don’t already have one. PuTTYgen is an key generator tool for creating SSH keys for PuTTY. It is analogous to the ssh-keygen tool used in some other SSH implementations. The basic function is to create public and private key pairs. PuTTY stores keys in its own format in.ppk files. However, the tool can also convert keys to and from other formats. The most frequently used tool in Windows for SSH is called Putty, and it has an easy-to-use key generator called the Putty Key Generator. Using it is easy. Just open the Putty Key Generator and click Generate. Sep 26, 2019  Generating an SSH key. To generate an SSH key with PuTTYgen, follow these steps: Open the PuTTYgen program. For Type of key to generate, select SSH-2 RSA. Click the Generate button. Move your mouse in the area below the progress bar. When the progress bar is full, PuTTYgen generates your key pair. Type a passphrase in the Key passphrase field.

The PuTTYgen program is part of PuTTY, an open source networking client for the Windows platform.

To generate an SSH key pair on Windows using the PuTTYgen program:
  1. Download and install PuTTY or PuTTYgen.

    To download PuTTY or PuTTYgen, go to http://www.putty.org/ and click the You can download PuTTY here link.

  2. Run the PuTTYgen program.
  3. Set the Type of key to generate option to SSH-2 RSA.
  4. In the Number of bits in a generated key box, enter 2048.
  5. Click Generate to generate a public/private key pair.

    As the key is being generated, move the mouse around the blank area as directed.

  6. (Optional) Enter a passphrase for the private key in the Key passphrase box and reenter it in the Confirm passphrase box.

    Note:

    While a passphrase is not required, you should specify one as a security measure to protect the private key from unauthorized use. When you specify a passphrase, a user must enter the passphrase every time the private key is used.

  7. Click Save private key to save the private key to a file. To adhere to file-naming conventions, you should give the private key file an extension of .ppk (PuTTY private key).

    Note:

    The .ppk file extension indicates that the private key is in PuTTY's proprietary format. You must use a key of this format when using PuTTY as your SSH client. It cannot be used with other SSH client tools. Refer to the PuTTY documentation to convert a private key in this format to a different format.
  8. Select all of the characters in the Public key for pasting into OpenSSH authorized_keys file box.

    Make sure you select all the characters, not just the ones you can see in the narrow window. If a scroll bar is next to the characters, you aren't seeing all the characters.

  9. Right-click somewhere in the selected text and select Copy from the menu.
  10. Open a text editor and paste the characters, just as you copied them. Start at the first character in the text editor, and do not insert any line breaks.
  11. Save the text file in the same folder where you saved the private key, using the .pub extension to indicate that the file contains a public key.
  12. If you or others are going to use an SSH client that requires the OpenSSH format for private keys (such as the ssh utility on Linux), export the private key:
    1. On the Conversions menu, choose Export OpenSSH key.
    2. Save the private key in OpenSSH format in the same folder where you saved the private key in .ppk format, using an extension such as .openssh to indicate the file's content.
Generating your SSH Key - SSH Key Manager for the Cloud - Userify

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No more passwords! Keys will save time and are more secure.

What's a Passphrase?

A passphrase is not a password. It's a phrase that you only enter once when you start your computer, not for each login to another server. It unlocks your private key.

It could be a line from one of your favorite songs, a scripture verse, or a line from a poem, or, most securely, a random collection of words.

Linux has OpenSSH built right in, and we'll show you how to set up a handy key manager. Here's how to set it up:

First, generate a new ssh key: When the command asks you where to save your key, just hit enter.

When prompted, a long, strong passphrase is recommended (use a phrase that only you know; it's not necessary to mix in extra punctuation if the passphrase is at least 5 or 6 randomly-chosen words.) You'll only have to type it in when you log into your desktop, not every time you want to log into a server. You can leave the other prompts blank.

You'll only have to type your passphrase in when you log into your Linux desktop session, not every time you want to log into a server. Since you're using Userify, if you forget your passphrase in the future, it's easy to rm .ssh/id_rsa* and then re-deploy a fresh key.

This will generate your SSH private key in the file ~/.ssh/id_rsa and your public key in the file ~/.ssh/id_rsa.pub. (Note the .pub). (~ is shorthand for your home directory, i.e., /home/username)

Upload your public key to Userify by copying and pasting the contents of ~/.ssh/id_rsa.pub in your home directory to Userify. Just cat the file and copy it from your terminal and paste it into Userify:

Ubuntu running Unity and distributions such as Fedora running Gnome3 should also have a built-in key manager, so we recommend using the built-in key manager when available. Otherwise, a great keychain manager for Linux is called (appropriately!) GNU Keychain. If you're using Ubuntu or Debian (or a derivative), just sudo apt-get install keychain. For Fedora, Red Hat derivatives, etc, sudo yum install keychain should work as well.

Add a few lines to your .bashrc. (Not all Linux distributions have working .bashrc's, but try it first. Two possible fixes: /etc/bash/bashrc, and also check to ensure your shell is bash: grep username /etc/passwd.) You can create or append to your .bashrc in your home directory as follows:

This will load the SSH key whenever you open your terminal. Depending on your terminal application, you may need to log out and log back in in order to for this to take effect.

From now on, you can connect to any Userify-enabled server without typing a password, just by typing in ssh IP, where IP is the IP address or hostname of the server you wish to connect to.

If your Userify username is different from your Linux username, you can either ssh username@IP each time or just add the following to .ssh/config, and then just ssh IP anytime.

Macs have OpenSSH built right in, as well as a handy key manager. Here's how to set it up:

First, open your favorite Mac OSX terminal application (Applications/Utilities/Terminal) and generate a new ssh key:

When prompted, a long, strong passphrase is recommended (use a phrase that only you know; it's not necessary to mix in extra punctuation if the passphrase is at least 5 or 6 randomly-chosen words.) You'll only have to type it in when you log into your Mac, not every time you want to log into a server. You can leave the other prompts blank.

This will generate your SSH private key in the file /Users/yourusername/.ssh/id_rsa and your public key in the file /Users/yourusername/.ssh/id_rsa.pub. (Note the .pub).

Upload your public key to Userify by copying and pasting the contents of .ssh/id_rsa.pub in your home directory to Userify. You can just run the following code to copy it to your clipboard for easier copying and pasting:

To take advantage of your Mac's handy keychain manager, just load your key one time into it:

This will load the SSH key into your chain whenever you reboot your Mac. You should be able to see the keys from the command line via ssh-add -l as well as in the Keychain Access app.

From now on, you can connect to any Userify-enabled server without typing a password, just by typing in ssh IP, where IP is the IP address or hostname of the server you wish to connect to.

If your Userify username is different from your Mac username, you can either ssh username@IP each time or just add the following to .ssh/config, and then just ssh IP anytime.

The most frequently used tool in Windows for SSH is called Putty, and it has an easy-to-use key generator called the Putty Key Generator.

Using it is easy. Just open the Putty Key Generator and click Generate. Protect your key with a strong but memorable passphrase and set the key comment to your email address.

Putty Ssh Public Key

Just copy the top part ('Public Key for pasting into OpenSSH authorized_keys file') and paste it into your Userify profile page, and save the .PPK file to your Documents or Windows Start folder so that it will be unlocked as soon as you log in.

Quick Tip

Drag the PPK file you just generated into your Startup folder! After you've unlocked it, you won't be prompted for the passphrase again, and you'll be able to log into Userify-enabled servers instantly, without password prompts!

Pro Tip: Generating keys is optional if you only want to log into the dashboard and not servers.


Generate Ssh Key Putty Linux

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