Generate a private and public key pair: Go to the Windows Start menu -> All Programs -> PuTTY and open PuTTYgen; Click the 'Generate' button and PuTTYgen will ask you to make some random movement with your mouse until it has enough random data to generate a secure key for you; Click the 'Save private key' button and save the resulting file. exe [email protected] - i private key. 2) The FTP protocol is on by default. It is possible to set a password for login since version 2. ssh/ directory on the server saving it with the name authorized_keys and delete id_dsa. Creating an SSH key on Windows 1. ssh] folder like follows, then it's ready to use Key-Pair login. Once you've generated you keys, upload your public key, do NOT upload your private key. Save the file to your computer and click go back. Right-click your public key file and open in a text editor. 12 with user tecmint and generate a pair of public keys using following command. To generate SSH keys in macOS, follow these steps:. Considering the fact that Microsoft is falling more and more in love with Linux , it is probably a good idea to learn more about the main remote management protocol in the Linux world. Click "Save private key" to save your private key. I saved the public key with the name: public_key_jupyter_hub. Note: Once you add a key, you cannot edit it. Use the Ubuntu command line or PuTTY running on Windows 10 to generate SSH keys for use with SSH authentication and your own remote connections. The commands are pretty much the same once you have an SSH client. Here are some details. In order to user your key pair, you need to put your public key (id_rsa. I understand that we have to generate a public key and a private key. SFTP server and FTPS server for Windows. In short, please follow these steps. Once you've generated you keys, upload your public key, do NOT upload your private key. How do I setup public key authentication so that I can use the same key to connect to multiple hosts without having to type the password every time?. Click on “Client Key Manager” in Bitvise SSH Client, and “Generate New” to create a new key wit PassPhase Entered. PuTTY is a free terminal emulator that can allow you to connect to a server via SSH and Telnet. The disk performance counter available in Windows are numerous, and being able to se. You may now use the private key saved on your computer to SSH securely to our server. They would want to be able to extract the public-key from the smartcard, and do that through the X. Since fingerprints are shorter than the keys they refer to, they can be used to simplify certain key management tasks. Instead the unique public and private key provide the secure authentication. Go ahead and click on generate, then move the cursor around the blank area. SecureCRT is a stand-alone SSH client. ssh/id_rsa > ~/. The result of tool generation are ssh rsa private key and ssh rsa public key. Steps to setup secure ssh keys: Create the ssh key pair using ssh-keygen command. It's safe and secure. With Role-Based Access Control and permission sets, you can control who has access to which sets of keys, regardless of location or IP address, for each of your Unix-based endpoints. Creating an SSH Key Pair Before you can configure the SSH Key Pair account in Octopus, you need to generate public and private keys. If the public key is already appended to the authorized_keys file on the remote SSH server, then proceed to Connect to Server with Private Key. If you are using windows, you have to generate the key pairs through PUTTYgen. The idea is that you will recognize if the random art changes, and be suspicious of the connection because it means the SSH keys for that server have been altered. If you connect to your FreeNAS server often with SSH or want to run rsync via SSH then it can be very useful to setup what is called public key authentication. Iguana supports OpenSSL SSH-2 private keys and certificates in PEM format, these must not be password protected. Click on “Client Key Manager” in Bitvise SSH Client, and “Generate New” to create a new key wit PassPhase Entered. Click the name of your VM you want to create the SSH account on. You'll need one of these to create your Heroku and Github accounts. When you install Putty, you also install PuttyGen utility which is what you need to generate SSH key in Windows environment. To set up SSH access the following is required: Use PuttyGen to create the public/private keys; Upload the public key to the remote server* Convert the. The reason you may want to do this is to enable more secured form of authenticating to your SSH enabled servers. To the right of the Private Key, click on View/Download. Let’s start by opening your favourite terminal, I recommend any Linux Terminal or iTerm2 on Mac OS, but most things will do. You can find the written. In order to user your key pair, you need to put your public key (id_rsa. Launch PuTTYgen from the Windows Programs list and proceed with the following steps. In this section, you use PuTTY Key Generator to create a public SSH key and private key pair to use when you create a secure connection to Linux machines in your Azure Stack instance. Also, for our Linux Mocha shared and WordPress Advanced, and all Private JVM accounts, we provide SSH / SFTP support (Since Dec 28th, 2017). Now to create a password less ssh connection we need to copy id_rsa. For more detailed information check out the Bitbucket documentation: Add an SSH key to a Bitbucket Cloud account. I have additional information regarding the issue we are having on SFTP From UNIX to Windows. Add yourself to sudo admin account on Ubuntu 18. In the following dialog, it's crucial that you (a) only enter the public part of your key and (b) enter it exactly as it's contained in the. This is where SSH keys will reside. Using a Public/Private key to authenticate when logging into SSH can provide added convenience or added security. Now that we got Git running, it is time to set up SSH keys for Git, so that we don't need to input password every time. ssh/id_rsa): Created directory '/home/a/. 9) Open authorized_keys file and paste the above the public key. As with any other key you can copy the public key in ~/. pem -out public_key. From there you simply add the key to ip ssh pubkey-chain and connect like above. Considering the fact that Microsoft is falling more and more in love with Linux , it is probably a good idea to learn more about the main remote management protocol in the Linux world. Windows uses a slightly different SSH key pair format. So I was able to create a private/public key pair and uploaded my public key onto the remote server but every time I try and ssh to the remote server via the command line (or powershell) it prompts me for the. In order to create and setup a public/private key pair for use with SSH and rsync, follow these steps: Login in to a terminal session of the client computer that will be connecting to the Cygwin server via SSH. In preferences, select Default protocol to be 'SFTP (SSH Secure File Transfer)'. Public and private key pair method, this is recommended. To create a key pair. $ openssl rsa -pubout -in private_key. You could do it at the Linux console or via telnet. There is a file sitting in a backup or on a former employee’s computer which grants the holder access to your infrastructure. pub, in the directory home/username/. Update: We have two new articles about the topic: PowerShell remoting with SSH public key authentication Enable PowerShell Core 6 remoting with SSH transport. The public key is stored on the destination server that you wish to access and will allow only the corresponding private key access. Secure Shell (SSH) is an encrypted protocol used by Linux users to connect to their remote servers. ssh-keygen –t rsa –b 2048. Log into Junos and move into configure mode; navigate to system -> login -> user -> SOMEUSERNAME -> authentication. Thats your SSH keys created, the private key is the id_rsa and the public one is the id_rsa. With a secure shell (SSH) key pair, you can create virtual machines (VMs) in Azure that use SSH keys for authentication, eliminating the need for passwords to sign in. ssh-keygen will create a public and private key pair for use in authentication. A default key length of 1024 is sufficient. Note: If your Windows user account does not have a password, you will need to use a public key to authenticate the SFTP server, which involves a separate process. sudo nano ~/. ) Save the keys, click “Save public key” and “Save private key” (without a passphrase). Then when you fire up your SFTP client, it authenticates using key-based authentication. SSH Keys can be automatically added to servers during the installation process. exe to load the passkey to generate a private key file. ssh/authorized_keys of the remote machine in order for the setup to work. Private Key The private key needs to be stored on your local computer. Private keys are only known by its owner. Generate Keys Generate the key on the Linux server for the user. Note: If a public SSH key has an expiration time, that key will have a slightly different format than the keys in this example. This is a very secure way of administering a server and is needed for SFTP. The most common SSH server is. Mac Windows Linux All If you don't already have an SSH key, you must generate a new SSH key. First, you should check to make sure you don't already have a key. ssh-keygen -t rsa. Note: If your Windows user account does not have a password, you will need to use a public key to authenticate the SFTP server, which involves a separate process. Thankfully, Puttygen does display the OpenSSH-compatible public key in the field labeled 'Public key for pasting into OpenSSH'. The Problem. Click Generate. With a help of utilities from OpenSSH package, you can generate authentication keys on your local machine, copy public key to the remote server and add identities to your authentication agent. PuTTY is probably the most famous software using this format and nearly everyone on Windows uses it. The commands are pretty much the same once you have an SSH client. ssh-keygen will create a public and private key pair for use in authentication. pfSense SSH Key Authentication 17th January 2019 11th January 2017 by Alex Bytes Following on from previous posts about my new pfSense device I’m going to write a quick guide on how to add authorised SSH keys to a user account so one can move away from password based authentication when connecting over Secure Shell (SSH). SSH provides secure access to a remote server. openssl rsa -pubout -in private_key. Using the nano text editor, create a new file in this folder called authorized_keys. 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: On the Conversions menu, choose Export. SSH Tunnel Examples: ASP · VB6 · Delphi · FoxPro · SQL Server · VBScript The SSH / SFTP ActiveX component provides two objects: A client-side SSH2 implementation for executing commands and shell sessions on Unix/Windows SSH servers, and an SFTP implementation for file transfer and remote file management over SSH. 10) Make sure to copy the text in the field 'Public key for pasting into openSSH authorized keys file. We'll look at how to create, and then use, those keys. $ cat vinz-clortho. ssh: directory in your home directory. NOTE: I’m assuming that you have already generated or possess SSH keys. Backing Up SSH Key Data. ssh/authorized_keys of the remote machine in order for the setup to work. Use openssl rsa -pubout to generate the public key from the private key. To create a SSH key pair, use the following command. The private key (as the name implies) must be kept absolutely private to you under all circumstances. On Windows, you can use PuTTYgen to create. Creating SSH Keys on Windows. pub from our client machine, just because it’s not needed to be there. As you can see from the above example, the public key is stored in the. On many Windows systems you can use a method analogous to what is described above for Unix systems. Install Putty (external link) 2. Both OsX and Linux operating systems have comprehensive modern terminal applications that ship with the SSH suite installed. Create and open a new text file on your local workstation. Authorize the Key Authorizing the key will add the public key to the authorized_keys file. pem -out public_key. A simple description of how this works (From Wikipedia): SSH uses public-key cryptography to authenticate the remote computer and allow it to authenticate the user, if necessary. Hi there! This post will be pretty straightforward and will cover Windows, Mac, and Linux, so if you don't know how to do it already, read on. KiTTY (free; open-source; based on PuTTY) KiTTY is a fork of PuTTY designed to function as a Windows SSH Client. Click the box that says +Add Item 7. You can save the private key on your machine and provide the server you want to access with a copy of the public key. Backing Up SSH Key Data. To create key pairs, you can use a third-party tool such as OpenSSH on UNIX-style systems (including Linux, Solaris, BSD, and OS X) or PuTTY Key Generator on Windows. SSH KEYS allow us to connect to VMs without using passwords but by passing a private key that can be managed by you or your organization. ssh-keygen will create a public and private key pair for use in authentication. Teaching How to Create SSH keys for Oracle Public Cloud (OPC) access This section shows you how to create an SSH Key pair to be used to provision Oracle Cloud Services and later on to be able to authenticate via SSH connection from your SSH client. Using SSH keys is more secure and convenient than traditional password authentication. As you should already know, all communications between your local machine and your gears happen over SSH (git pushes and direct SSH access). This will create the. ssh and copy your key to it (If on Windows, the key should still be in your clipboard): $ echo “” >> ~/. Below we provide instructions on how to do it with a few popular SSH programs. The first step is to create a key pair on the client machine (usually your computer): ssh-keygen. Is it possible to generate an ssh key on a windows machine then use that key to connect to a server using SFTP via FileZilla? This is all working with my Mac but I have a client that is stuck in a windows environment. That is how we can generate ssh Key on Windows using Putty. SFTP server and FTPS server for Windows. First, login into the source machine and create an SSH key pair using the following command. Use PuTTYGen to Create a Public/Private Key Pair for Your Windows Client Machine. Setting Up SFTP or SSH Server on Windows Server 2012 R2 September 13, 2017 November 12, 2017 Kent Chen Microsoft If you need an SFTP server, you can set it up easily on a Linux box since it's supported out of the box. Switch back to cPanel again, and paste in your public key into the public key text box. Connect to VM using SSH keys. In any case, the key generation should leave you with two files, a public key and a private key. Retrieve the public key for your key pair. nano will open a blank file. This is something that is easily done via a terminal using ssh-keygen on Mac and Linux, however on Windows… this tool is not easily accessible to the non-technical person. This part requires editing just a few files to make gpg-agent work as expected. Step 1: Create Authentication SSH-Kegen Keys on – (192. No need to do anything special to make a key for another user, just put it in the right location and set permissions. pub from our client machine, just because it’s not needed to be there. First make sure, if there are no ssh-keys already in your home directory. A simple description of how this works (From Wikipedia): SSH uses public-key cryptography to authenticate the remote computer and allow it to authenticate the user, if necessary. You will be asked for it when you connect via SSH. exe will provide you with output to be added later to dropbear config file you will need later; you also should save private key for puTTY configuration described later. ssh-keygen can create RSA keys for use by SSH protocol version 1 and RSA or DSA keys for use by SSH protocol version 2. To create a new key pair, select the type of key to generate from the bottom of the screen (using SSH-2 RSA with 2048 bit key size is good for most people; another good well-known alternative is ECDSA). Make sure you have your public key in your clipboard, which you copied from step 3. How to create "Known_hosts" file in Windows Please suggest for same, and i performed sftp from windows server cmd prompt wid below command : path/psftp. Step 3: Add your SSH key to Codebase. When discussing a specific public key in the context of SSH, it is important to be aware whether the key is intended to authenticate the server, or a client. (Note the colon at the end of the line! It's important. This post shows you how to create an SSH key, which should be used on both, the Linux subsystem and Windows. Install an FTP client for each user, and configure it to use the private key. exe in the PuTTY folder on your computer and double-click it. Note, if you have multiple keys because you have multiple machines, or perhaps you have different keys for different software, send them all to us – we can set you up with as many keys as you want bo. I copied the public and private keys from my SD Card to my Downloads directory. This key size will be 4096 bit. SSH Keys can be automatically added to servers during the installation process. The other is the public key. I'm trying to setup my Windows 10 environment to pull down my repositories over SSH. Then via Conversions -> Export OpenSSH key you can export your private key to another file in OpenSSH format (similarly for ssh. A simple description of how this works (From Wikipedia): SSH uses public-key cryptography to authenticate the remote computer and allow it to authenticate the user, if necessary. Move your mouse randomly in the small screen in order to generate the key pairs. ssh-keygen -b 1024 -t rsa -f id_rsa -P "" Now, we want to create an authorized_keys file in the same directory to allow remote hosts to connect to our Mac using the key file we just generated. Details would be greatly appreciated. In this example we will generate very secure key. So I was able to create a private/public key pair and uploaded my public key onto the remote server but every time I try and ssh to the remote server via the command line (or powershell) it prompts me for the. ConnectBot is an open source SSH client for Android. This two-way mechanism prevents man-in-the-middle attacks. Once the public key has been uploaded or imported for your account in the SSH Server, configure the SSH Client to enable public key authentication on the Login tab:. Using a Public/Private key to authenticate when logging into SSH can provide added convenience or added security. Remove all existing public key-user trust relationships and generate new key pairs. pub [email protected]: Then we log in with SSH, and we copy the public key to its right place: ssh [email protected] mkdir ~/. after generate new key, you need to add the public key to the file ~/. The public key resides on the server side, whereas the private key is used when accessing it over SSH protocol. In this scenario, when it comes to authentication, you will most likely meet "SSH Public Keys". The way it works is a private and public set of keys are generated and the private key is held on our main computer and the public key is put on the server, in this case it would be our Raspberry Pi. You can just hit return for each question. Installing the Public Key. In order to Generate an SSH Key on Windows, you will need to download PuTTY. This method allows users to login to your SFTP service without entering a password and is often employed for automated file transfers. exe generator. (Note the colon at the end of the line! It's important. Quick steps: Create and use an SSH public-private key pair for Linux VMs in Azure. To do this, fire up PuTTYgen. This SSH Key object can then be used by New-AzureProvisioningConfig when creating the configuration object for a new virtual machine using New-AzureVM, or when creating a new virtual machine with New-AzureQuickVM. Set the Parameters by selecting the SSH-2 RSA radio button, and enter 2048 for the number of bits. Public keys are known by others to create encrypted data. Copy the public key, and then use the Linux cat command to paste the public key into the. ssh/id_rsa in your home folder. On the Server. pub, don't give out the private one always keep that one only on your local machine. Alternative instructions, for Mac, Windows and Linux can be found here. SSH key data may be backed up and restored in the event that you reload your workstation, or you may generate a new SSH key and invalidate your old key. You can find the written. To generate a key pair with the PuTTY key generator, simply run andputtygen. Steps to setup secure ssh keys: Create the ssh key pair using ssh-keygen command. OpenSSH comes with a tool called ssh-keygen to generate key pairs. freeSSHd, like it's name says, is a free implementation of an SSH server. In order to provide a public key, each user in your system must generate one if they don't already have one. after generate new key, you need to add the public key to the file ~/. To add a public key to a Bitbucket account, you need to go to the Bitbucket Settings Screen. pub extension to indicate that the file contains a public key. It’s readily. When you set up SSH, you create a key pair that contains a private key (saved to your local computer) and a public key (uploaded to Bitbucket). Sharing the Public Key. How to manually add ssh keys for key-authentication. Step 2: Generate Public/Private Key Pairs. OpenSSL to OpenSSH. Go to SourceTree > Tools > Options > General (Tab) > SSH Key, clear the field, and hit 'OK'. The following sections show how to generate an SSH key pair on UNIX, UNIX-like and Windows platforms. ssh/authorized_keys *** Info: files must have appropriate permissions to allow public key *** Info: authentication. I saved the public key with the name: public_key_jupyter_hub. Click the Import Key button to get the Import SSH Key screen. Generate Key Pair # The first step is to generate private / public key on server where your java application will be running. Let alone generating keys. Generating SSH Keys. When you run the ssh-keygen command as shown preceding, it creates the public and private keys as files in the current directory. Create and open a new text file on your local workstation. Details would be greatly appreciated. Finally, after adding the public keys to an Ubuntu box, I verified that I could SSH in from Windows 10 without needing the decrypt my private keys (since ssh-agent is taking care of that for me): Monitoring SSH Agent. YouTube requires that you connect to your YouTube dropbox using a Secure Shell (SSH) connection. How Does SSH Work. pub and your private key saved as. How to create OpenSSH keys on a Windows desktop for remote access to a Linux server with PuTTY Key Generator Cloud Insidr 2016-11-27 5 Comments When using authentication based on keys (as opposed to a password), you have to create the key pair—a private key and a public key—on your local machine, then transfer the public key to the server. SSH is a great tool to control Linux-based computers remotely. Our server does not have traditional FTP access and I need to get him connected. exe [email protected] - i private key. I've never used it. The SSH command line tool suite includes a keygen tool. Use PuTTYGen to Create a Public/Private Key Pair for Your Windows Client Machine. I'm "scott" on Windows so my public key is in c:\users\scott\. Step 2: Add ssh public-key to Junos Here is what the ssh public-key looks like on the workstation. Copy your private key to a dedicated USB key, memory card, or CDROM. Key pairs are typically created by the client, and then the resulting public key is used by Core FTP Server. Navigate to the PuTTY Key Generator interface. On Windows, you can use PuTTYgen to create. This process is similar across all operating systems. In the Key Name field, provide a name for the key. How to specify a private key file in ssh. The procedure to set up secure ssh keys on Ubuntu 18. In today’s video we’ll teach you how to set up SFTP public key authentication on JSCAPE MFT Server. Steps to setup secure ssh keys: Create the ssh key pair using ssh-keygen command. If your server only allows public key ssh, you may want to allow ssh via password. In this section, you use PuTTY Key Generator to create a public SSH key and private key pair to use when you create a secure connection to Linux machines in your Azure Stack instance. #### Click Manage SSH Keys > Genarate a New Key. Teaching How to Create SSH keys for Oracle Public Cloud (OPC) access This section shows you how to create an SSH Key pair to be used to provision Oracle Cloud Services and later on to be able to authenticate via SSH connection from your SSH client. ssh is not a valid foldername ( A "normal" foldername is ok but not a foldername that starta with a. Public key authentication is an alternative means of identifying yourself to a login server, instead of typing a password. exe file or going to the Windows Start menu → PuTTY (64-bit) → PuTTYgen. $ ssh-keygen -y -f ~/. Click Go Back. A public key and private key pair is required to administer some servers. Authorized_key end should have [email protected] after public key in unix server. exe generator. How to convert ppk to SSH key using PuTTY Key Generator You won't be able to directly use your PuTTY 's key in Linux 's OpenSSH because the keys are of different format. Create an SSH key pair and deploy the public key. Please, check your VPS/Cloud activation email for more info on how to use SSH. 04 machines. File format and syntax. On the Windows OS, it comes with a GUI interface. ssh-keygen saves the corresponding public key in ~/. pub >my4716key. This can be useful when automating rsync connections over SSH. Generate ssh private and public keys using the ssh-keygen command. ssh is not a valid foldername ( A "normal" foldername is ok but not a foldername that starta with a. Download and install PuTTY. Copy the public key, and then use the Linux cat command to paste the public key into the. OpenSSH comes with a tool called ssh-keygen to generate key pairs. SSH key pairs can be used instead of passwords for authentication, and each key pair consists of a private key and a corresponding public key. Now, we need to add the public key to our GitHub account so that we can communicate from Git on the local machine to remote GitHub server via SSH. To create key pairs, you can use a third-party tool such as OpenSSH on UNIX-style systems (including Linux, Solaris, BSD, and OS X) or PuTTY Key Generator on Windows. The public-key authentication method f or user validation can use a variety of different encryption algorithms. ssh-keygen will create a public and private key pair for use in authentication. If you use Windows, you will need to utilize an SSH client to open SSH connections. $ ssh-keygen -y -f ~/. The steps from the previous sections will take your GPG keys and pipe them through SSH so they can be used for authentication. There are two ways to import the private key into Jump Desktop for iOS: To import the private key using the clipboard simply copy the contents of the private key into iOS's clipboard and then. In this video I will show how we can generate SSH-Keys in Putty/PuttyGen on Windows. We do this using the ssh-copy-id. Then in the Key Generator window, check that the Type of key to generate at the bottom is set to SSH-2 RSA. The 18 Best Free SFTP and FTPS Servers for Windows and Linux February 27, 2019 / by Jon Watson Best VPNs for Netflix: Get any version of Netflix anywhere January 5, 2019 / by Paul Bischoff 8 best VPNs for torrenting & P2P for 2019 (and why many will compromise your privacy) January 1, 2019 / by Paul Bischoff How to make your own free VPN with. Enter your desired Key-Pair name and hit the "Create Key Pair" button. I'm type'ing (cat on Linux is type on Windows) that text file out and piping it into SSH where I login that remote machine with the user pi and I then cat (on the Linux side now) and append >> that text to the. pub) on the remote hosts where you to use it for logins: In Notepad, open your public key (id_rsa. Add yourself to sudo or wheel group admin account. For this we'll use PuTTYgen - a key generator for PuTTY on Windows. This tutorial shows you how to quickly and easily create a pair of SSH Keys using PuTTYgen, one tool in the open source PuTTY suite. It provides strong encryption and authentication over insecure networks like Internet. "[email protected]" of the machine where you are connecting from would be a good example. ssh-keygen -t ed25519 Extracting the public key from an RSA keypair. Azure requires at least a 2048-bit key length and the SSH-RSA format for public and private keys. Generate Keys Generate the key on the Linux server for the user. Hello all, I have a bit of trouble working a passwordless SSH from UNIX to Cygwin running windows 2k3. Instead the unique public and private key provide the secure authentication. SFTP is an alternative to the old, insecure FTP protocol and allows you to upload files to your Pagely account with ease. It is one of the components of the open-source networking client PuTTY. Click Generate. This guide is primarily for an OS X or Linux system. To configure key-based authentication for shell access, you’ll need a public/private key pair configured for your profile, which means you may need to generate a key pair for the SSH protocol (SSH key), and then you’ll need to add the public key of the key pair to your profile using the User Portal. There are two ways to create a key pair: We can import an SSH public key we’ve already created or Amazon can generate the key pair and send us the private key. In this scenario, when it comes to authentication, you will most likely meet "SSH Public Keys". To the right of your private key, click View/Download. ssh/id_rsa > ~/. To use this client, follow these steps: To open the Run dialog box, type Windows key + r. Now, we need to add the public key to our GitHub account so that we can communicate from Git on the local machine to remote GitHub server via SSH. Generating OpenSSH private and public key pair. This will create and store both your public and private keys in your ~/. Let's walk through how to generate SSH key pairs, which contain both a public and a private key within a single pair, on Ubuntu Linux. Fingerprints are created by applying a cryptographic hash function to a public key. ssh\id_rsa Add the key to another Windows server. Sharing the Public Key. pub >my4716key. In order to create a pair of private and public keys, select key type as RSA (SSH1/SSH2), specify key size, and click on Generate button. In this guide, we'll focus on setting up SSH keys for a vanilla Ubuntu 16. ssh: directory in your home directory. Configure public key authentication. After it is installed you can just go ahead and generate your public key if you want to put in on a server. Create an SSH key. If you lose the private key, you’ll have to regenerate a new private/public key pair, as the authentication cannot be successfully completed without the private key part. Next you will generate your keys with the following line. Retrieve the public key for your key pair.