You can generate different types of keys and are free to adjust the number of bits. This allows you to generate and use SSH keys to connect to your VPS using the steps below.Ĭlick on the Windows Start button and search for ' Puttygen'. Putty automatically comes with a program called Puttygen. Generating and using an SSH key with Putty We explain this procedure in this section and it works the same for WSL, MacOS and Linux. To be able to use it, copy the public key to the server you want to connect to via SSH. The key's randomart image is: a randomart image can be used so that people can quickly see if a public key on a remote server matches your generated key it is easier to see differences in an image than in a long string of text.This allows you to quickly check whether a server has a public key that matches your key. The key fingerprint is: a shortened version of the public key.: The file that contains your public key. Your identification has been saved in.We recommend setting a passphrase for security reasons. The private key cannot be opened without this password. Enter passphrase (empty for no passphrase): Enter a password for your private key.SHA256:1xCxkwjQLjz9CsL98GoTVmdmxO40zQqa5uxlE18zGcs key's randomart image is: Your public key has been saved in /home/transip/.ssh/id_ed25519.pub. Your identification has been saved in /home/transip/.ssh/id_ed25519. Generating public/private ed25519 key pair.Įnter passphrase (empty for no passphrase): The experience is almost the same for both of them as working through the command line of a Linux distro. For more information on Putty, see our guide ' what is command-line / SSH?' Putty allows you to connect remotely via SSH to a Linux VPS.You can then connect to a remote Linux server via command line. WSL allows you to use the command-line variant of a Linux distro such as Ubuntu locally on your Windows 10 computer / laptop.Which option you use depends on how you use SSH: WSL or Putty. In Windows 10, you have two options at your disposal to generate an SSH key: the Windows Subsystem for Linux (WSL) and Putty gene. Generating and using an SSH key in Windows 10 In this article we show you how to generate SSH keys and then use them. For more general information on SSH keys, see our article ' What are SSH keys?' Connecting to SSH keys is a very secure way to connect to a VPS. Note: The SSH server configuration must accept the authentication method via public/private key.To connect to a Linux server via SSH, you can use SSH keys, also known as SSH key pair. Open the ~/.ssh/authorized_keys file: nano ~/.ssh/authorized_keysĪnd paste the public that you copied in clipboard. If you do not have access to ssh-copy-id command, you can use this: cat ~/.ssh/id_rsa.pub | ssh 'mkdir -p ~/.ssh & cat > ~/.ssh/authorized_keys'Ĭonnect to the remote server: ssh the ~/.ssh directory: mkdir -p ~/.ssh ssh-copy-id Copy over SSH method (alternative method) The easiest way to copy the public key is to use the ssh-copy-id command. The OS I chose to do this is Ubuntu, but these methods will probably work on most Linux distribution. Copy the SSH public key to a remote serverīy generating private/public key and using it for authentication, it will improve the security of your SSH server.īy copying the SSH public key to the SSH remote server, it will allow you to connect to that server passwordless (by using only with the username and the private key).Īfter doing this, I advise you to change the SSH server configuration to disallow username/password logins for further security improvement.
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