Generate an RSA SSH keypair with a 4096 bit private key. Ssh-keygen -t rsa -b 4096 -C 'RSA 4096 bit Keys'. Generate an DSA SSH keypair with a 2048 bit private key. Ssh-keygen -t dsa -b 1024 -C 'DSA 1024 bit Keys'. Generate an ECDSA SSH keypair with a 521 bit private key. Apr 02, 2019  Installation of SSH Keys on Linux - A Step-By-Step Guide. Outlined below is a step-by-step guide detailing the process of installing SSH Keys on a Linux server: Step One: Creation of the RSA Key Pair. The first step in the installation process is to create the key pair on the client machine, which would, more often than not, be your own system. First it confirms where you want to save the key (.ssh/idrsa), and then it asks twice for a passphrase, which you can leave empty if you don’t want to type a password when you use the key. Now, each user that does this has to send their public key to you or whoever is administrating the Git server (assuming you’re using an SSH server setup. Create RSA and DSA Keys for SSH Private and public RSA keys can be generated on Unix based systems (such as Linux and FreeBSD) to provide greater security when logging into a server using SSH. The ssh-keygen command allows you to generate, manage and convert these authentication keys.

On Windows, you can create SSH keys in many ways. This document explains how to use two SSH applications, PuTTY and Git Bash.

Joyent recommends RSA keys because the node-manta CLI programs work with RSA keys both locally and with the ssh agent. DSA keys will work only if the private key is on the same system as the CLI, and not password-protected.

PuTTY

PuTTY is an SSH client for Windows. You can use PuTTY to generate SSH keys. PuTTY is a free open-source terminal emulator that functions much like the Terminal application in macOS in a Windows environment. This section shows you how to manually generate and upload an SSH key when working with PuTTY in the Windows environment.

About PuTTY

PuTTY is an SSH client for Windows that you will use to generate your SSH keys. You can download PuTTY from www.chiark.greenend.org.uk.

Ssh-keygen Rsa Vs Dsa

When you install the PuTTY client, you also install the PuTTYgen utility. PuTTYgen is what you will use to generate your SSH key for a Windows VM.

This page gives you basic information about using PuTTY and PuTTYgen to log in to your provisioned machine. For more information on PuTTY, see the PuTTY documentation

Generating an SSH key

To generate an SSH key with PuTTYgen, follow these steps:

  1. Open the PuTTYgen program.
  2. For Type of key to generate, select SSH-2 RSA.
  3. Click the Generate button.
  4. Move your mouse in the area below the progress bar. When the progress bar is full, PuTTYgen generates your key pair.
  5. Type a passphrase in the Key passphrase field. Type the same passphrase in the Confirm passphrase field. You can use a key without a passphrase, but this is not recommended.
  6. Click the Save private key button to save the private key. You must save the private key. You will need it to connect to your machine.
  7. Right-click in the text field labeled Public key for pasting into OpenSSH authorized_keys file and choose Select All.
  8. Right-click again in the same text field and choose Copy.

Importing your SSH key

Now you must import the copied SSH key to the portal.

  1. After you copy the SSH key to the clipboard, return to your account page.
  2. Choose to Import Public Key and paste your SSH key into the Public Key field.
  3. In the Key Name field, provide a name for the key. Note: although providing a key name is optional, it is a best practice for ease of managing multiple SSH keys.
  4. Add the key. It will now appear in your table of keys under SSH.

PuTTY and OpenSSH use different formats of public SSH keys. If the text you pasted in the SSH Key starts with —— BEGIN SSH2 PUBLIC KEY, it is in the wrong format. Be sure to follow the instructions carefully. Your key should start with ssh-rsa AAAA….

Once you upload your SSH key to the portal, you can connect to your virtual machine from Windows through a PuTTY session.

Git Bash

The Git installation package comes with SSH. Using Git Bash, which is the Git command line tool, you can generate SSH key pairs. Git Bash has an SSH client that enables you to connect to and interact with Triton containers on Windows.

To install Git:

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  1. (Download and initiate the Git installer](https://git-scm.com/download/win).
  2. When prompted, accept the default components by clicking Next.
  3. Choose the default text editor. If you have Notepad++ installed, select Notepad++ and click Next.
  4. Select to Use Git from the Windows Command Prompt and click Next.
  5. Select to Use OpenSSL library and click Next.
  6. Select to Checkout Windows-style, commit Unix-style line endings and click Next.
  7. Select to Use MinTTY (The default terminal of mYSYS2) and click Next.
  8. Accept the default extra option configuration by clicking Install.

When the installation completes, you may need to restart Windows.

Launching GitBash

To open Git Bash, we recommend launching the application from the Windows command prompt:

  1. In Windows, press Start+R to launch the Run dialog.
  2. Type C:Program FilesGitbinbash.exe and press Enter.

Generating SSH keys

Generate Ssh Key Dsa Vs Rsa Form

First, create the SSH directory and then generate the SSH key pair.

One assumption is that the Windows profile you are using is set up with administrative privileges. Given this, you will be creating the SSH directory at the root of your profile, for example:

  1. At the Git Bash command line, change into your root directory and type.

  1. Change into the .ssh directory C:Usersjoetest.ssh

  2. To create the keys, type:
  1. When prompted for a password, type apassword to complete the process. When finished, the output looks similar to:

Uploading an SSH key

To upload the public SSH key to your Triton account:

  1. Open Triton Service portal, select Account to open the Account Summary page.
  2. From the SSH section, select Import Public Key.
  3. Enter a Key Name. Although naming a key is optional, labels are a best practice for managing multiple SSH keys.
  4. Add your public SSH key.

When Triton finishes the adding or uploading process, the public SSH key appears in the list of SSH keys.

What are my next steps?

  • Adding SSH keys to agent.
  • Set up the Triton CLI and CloudAPI on Windows.
  • Set up the Triton CLI and CloudAPI.
  • Create an instance in the Triton Service Portal.
  • Set up the triton-docker command line tool.
  • Visit PuTTYgen to learn more about the PuTTYgen and to seethe complete installation and usage guide.

SSH keys are one of the most secure ways to access a web server, since it requires authentication beyond a simple password. While each new Packet server has a root password assigned, it is removed from the customer portal after 24 hours - after which point you’ll need to leverage SSH or need to have added a new root password to the machine.

Generating SSH Keys

The Mac/Linux WayThis is pretty simple. The first step is to create a key pair on your local machine or your work station. Open a Command line and type:

ssh-keygen -t rsa

Rsa And Dsa

Once you have entered the ssh-keygen command, you will go through with these questions.

Enter file in which to save the key (/home/name/.ssh/id_rsa):

You can use the default name and destination if this is your first ssh key.

Enter passphrase (empty for no passphrase):

Usually, System Administrators/DevOps do not use passphrase on their keys -- well admit it, one reason we use ssh key is to gain a secure, passwordless login to the server, right?

But if you feel the need of extra layer security, you may go ahead and type in your passphrase.

Once you are done, the key file ending in '.pub' contains the key that you need to upload to Packet Portal. It should go without saying, but we'll say it anyway, do not share your private key (located here /home/yourname/.ssh/<key-name>) with anyone!

Your public SSH key is commonly located here /home/yourname/.ssh/<key-name>.pub and you can display your public SSH key with the following command:

cat ~/.ssh/id_rsa.pub

The PuTTY Way (Windows)

First, Download PuTTY. The two binaries you will need are:

  • PuTTY (the SSH and Telnet client itself)
  • PuTTYgen (an RSA and DSA key generation utility)

Next, open PuTTYgen.exe which will look like this:

You can change the parameters for your key, even though the default ones are just fine. When you’re ready, click Generate.

In order to create a random key, you will be asked to move the cursor around a small empty area on the window. This randomness is called entropy and is used to create keys in a secure way that cannot be reproduced by others.

After a few seconds, once the keys are ready, you will be presented with this view:

Click the Save private key button, name it whatever you like and choose a secure location to save the key with the extension '.ppk'.

Repeat the same thing after clicking on Save public key. This time, make sure to give it an extension like '.txt', so you can open it later in a regular text editor.

Note! If you open the public key text file you just saved, you will probably see that it contains something that looks like the following:

Why Putty saves it in this format is unclear, but it is not an accepted form of adding the public key.

So, for that reason, you might want to copy whatever the Putty Generator shows on the Public key window and paste it on the document, after deleting everything that was there before.

It should look like: ssh-rsa AAAA...... rsa-key-xxxxxxx

Adding Your Key to the Packet Portal

Once you have generated an SSH key pair you can upload the public key to your account. Via the packet portal, go to 'SSH Keys' on the left-hand side and click 'Add SSH Key' In the lower right-hand corner.

Understanding SSH at Packet: Personal Keys vs Project Keys

When adding a key in the Packet Portal, you can choose to add either Project Key or a Personal Key.

Generate Ssh Key Dsa Vs Rsa

As you can see, a Personal Key will be included on all new machines in the projects that you own, or of which you are a collaborator.

You can also choose to create and manage a key that is specific to a single project (which will be included by default on servers deployed into a particular project). This 2nd option is useful if you don’t want to use a personal key that you leverage in lots of places on a shared box.

Getting Your Key(s) on Your Server(s)

Generate Ssh Key Dsa Vs Rsa 2017

We use our cloud-init service to add all the selected keys (Personal + Project specific + Collaborator) onto each machine at provision time. So as soon as your box is deployed, you can access it via SSH. Nice!

This also means that any keys you (or your collaborators) add via the Packet portal after a server is provisioned won’t be available on the machine automatically. Securecrt 7.1 license key generator. You’ll have to add new keys. Here are a couple of different situations:

  • Adding New SSH Keys to An Existing Server

  • Add Your New SSH Key to the Portal:

    • Navigate to the SSH Keys section of the Packet portal.
    • Add your public SSH key. Note that below the key value area, you will see an option to associate this new key with a specific server. You may also select “all of them” if you have many existing servers. Be sure to select the servers that need this new SSH key!

Now that you that the key is added in portal, you need to force add it to your server(s).

Use our SOS service to login with (root + pw) and manually add the new key on the authorized_keys file.

Logging In Via SSH

Create Rsa Ssh Key

Mac/LinuxSSH access on Mac and Linux is straightforward. Simply run the command:

ssh [email protected]<your_Public IPv4>

WindowsRun the PuTTY.exe binary downloaded earlier go to 'Data' under 'Connection', and add root in the field of the username.

Go to Authentication, under SSH, and click the Browse button, to add the private SSH key created earlier.

Generate Ssh Key Dsa Vs Rsa Data

Now go to Session, enter the public IP address of your server, give a name to the session, and click Open.

Et voila, you now have SSH access to your server and can continue on with your day.

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