Macos Generate Ssh Key Pair

Posted By admin On 09.04.20

If you want to create automatic logins to your ExaVault SFTP service, you can do so via an SSH key pair. You can create such a key pair automatically or manually.

  1. Mac Generate Ssh Key Pair
  2. Macos Generate Ssh Key Pair Linux
  3. Macos Generate Ssh Key

Create Key Pair Automatically through ExaVault file manager (Recommended)

Add your SSH private key to the ssh-agent. If you created your key with a different name, or if you are adding an existing key that has a different name, replace idrsa in the command with the name of your private key file. $ ssh-add /.ssh/idrsa; Add the SSH key to your GitHub account. Generating a Secure Shell (SSH) Public/Private Key Pair Several tools exist to generate SSH public/private key pairs. The following sections show how to generate an SSH key pair on UNIX, UNIX-like and Windows platforms.

You can create keys directly from your account:

  1. Log in into your account as the master user or as an admin user.
  2. Pick the user you want to create keys for and choose the Generate SSH Keys button from the drop-down menu. This will create the .sftp folder in the home folder of the user, and the public key will be added to the authorized_keys file and placed inside the .sftp folder ( e.g. /.sftp/authorized_keys). You will be prompted to download the private key file.
  3. Import the private key into your SFTP software on your local computer.

You should now be able to connect without a password.

Linux / Mac OS X - Manual Key Creation (Experts Only)

  1. Open a terminal and use OpenSSH to generate a public/private key pair. You should not enter a password when prompted (e.g. just press return):
  2. Convert the public key to RFC-4716 format, which is the only format our SFTP server accepts for public keys:


    Prior to OpenSSH v5.4, there was a bug which allows for comments longer than 72 characters, which is in violation of the RFC-4716 spec. Our FTP server will reject such keys as invalid. If you're using a version of OpenSSH prior to v5.4, you should open the key file and delete any comment longer than 72 characters.

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  3. Change the name of the public key to read authorized_keys.
  4. Using an SFTP client with a username and password, upload the RFC-4716 format key to your ExaVault SFTP server. It must be placed inside of a folder named .sftp in the home folder of the user (e.g. /.sftp/authorized_keys ).
  5. Import the private key into your SFTP software on your local machine. There are many ways to do this, depending on the software. For example, if you use sftp you would enter:

You should now be able to connect without a password.

Windows - Manual Key Creation (Experts Only)

Due to the multiple applications necessary to create an SSH key in Windows, we strongly recommend using an ExaVault-generated SSH key for Windows machines. However, ExaVault does support the use of SSH keys manually created in Windows as long as they are converted properly.

  1. Download and install the PuTTy application from http://www.putty.org/. Version 0.70 is the latest version. Install the 32-bit version of the application. When installing, use the default settings for installation.
  2. Start the PuTTyGen application. This application is installed as part of the PuTTy installation. Under the Key menu, verify that the key is set to SSH-2 RSA key. Under the Parameters section, confirm that the type of key is set to RSA. Confirm that the number of bits is set to 2048.
  3. Click the Generate button. When prompted move the mouse over the blank area in the application.
  4. Click the Save Public Key button. When prompted, name the file authorized_keys and make note of where you save this file.
  5. Click the Save Private Key button. Take note of the name and location of this file. When prompted, click the Yes button if you do not want to include a passphrase on the key.
  6. Convert the public key (the one you named authorized_keys) to a UNIX file format. The key will not be recognized by the server if it contains Windows line endings. Open the file in a text editor that can convert line endings from Windows to UNIX. Notepad++ is a free software that can convert Windows line endings to UNIX line endings. Save the file after converting the line endings.
  7. Using an SFTP client with a username and password, upload the authorized_keys file to your ExaVault SFTP server. It must be placed inside of a folder named .sftp in the home folder of the user (e.g. /.sftp/authorized_keys ).
  8. Import the private key into your SFTP software on your local machine. There are many ways to do this, depending on the software.

You should now be able to connect without a password.

Example SSH Keys

If you are having trouble generating your SSH keys, you can find an example pair here to verify that your keys are formatted correctly. These keys are for verification purposes only. Because both the public and private keys are provided in this example to anyone, please do not upload the public key to your SFTP server!

SSH Keys FAQ

Can I use multiple SSH keys with SFTP?

Yes! Simply append each additional public key into the authorized_keys file on the FTP server asdescribed above.

Can I use a key that was provided to me?

You may have a customer or client who already has an SSH key pair that you need to import.

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You can upload a public key that was provided to you as long as it conforms to the RFC-4716 format. Often you will need to convert your key to the RFC-4716 format. To convert the key, see Steps 2 and 3 of the Linux/Mac OS X key creation instructions.

If the key was created on a Windows machine, you may need to edit the public key so that it does not contain Windows line endings using a text editor that can convert Windows line endings to UNIX line endings.

If you run into problems using your key, email us at support@exavault.com.

Did you find an issue with this article? Let us know!

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.

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.

Mac Generate Ssh Key Pair

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

Macos Generate Ssh Key Pair Linux

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:

  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

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?

Macos Generate Ssh Key

  • 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.