On Windows, install and open the Bash shell. On a Linux desktop, look for a Terminal shortcut in the applications menu. On a Mac, you’ll find this at Finder > Applications > Utilities > Terminal. To connect to an SSH server from one of these operating systems, first open a terminal window. You can even use this command on Windows 10 via the Bash on Windows environment. UNIX-based operating systems like macOS and Linux include a built-in SSH command that works pretty much the same everywhere. RELATED: How to Install and Use the Linux Bash Shell on Windows 10 RELATED: How to Manage an SSH Config File in Windows and Linux macOS and Linux Here’s a fun fact: SSH private keys are technically called PEM files. Consult PuTTY’s manual for more information. For example, if you need to use a private key file to authenticate with the SSH server, you’ll find this option at Connection > SSH > Auth in the PuTTY Configuration window that appears when you launch the application. There’s a lot more you can do with PuTTY. Just close the window to end the SSH connection. You’ll be prompted to enter the username and password for your account on the SSH server. Either the server administrator has changed it or someone is intercepting your traffic and trying to trick you into connecting to a malicious, imposter SSH server. If you see this warning in the future after already having connected to the server once, that indicates the server’s encryption key fingerprint is different. That’s expected, so click “OK” to continue. This tells you that you haven’t previously connected to this server. You’ll see a security alert the first time you try to connect to a server. SSH servers use port 22 by default, but servers are often configured to use other port numbers instead. Ensure the port number in the “Port” box matches the port number the SSH server requires. Type the host name or IP address of the SSH server into the “Host name (or IP address)” box. or a putty.exe file that can function as a portable application. You can download either an installer that included PuTTY and related utilities. It’s part of Windows 10 but is an “optional feature.”ĭownload PuTTY and launch it to get started. Update: Windows 10 now has an official SSH command you can install. So the most popular and widely recommended solution for connecting to SSH servers is an open source, third-party application called PuTTY. Microsoft made some noise about integrating an official SSH client into PowerShell back in 2015, but we haven’t heard much about it since. Windows still doesn’t offer a built-in SSH command. RELATED: 5 Cool Things You Can Do With an SSH Server

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