This article is about how to Use SSH on Windows/MacOS/Linux. SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that provides a secure way for users, especially system administrators, to access a computer over an unsecured network. SSH also refers to a set of applications that implement the SSH protocol.
Secure Shell provides strong password authentication and public key authentication, as well as encrypted data communication between two computers connecting over an open network such as the Internet. In addition to providing strong encryption, SSH is used by network administrators to remotely manage computers and applications, allowing them to log into another computer on the network, run commands, and move files from one computer to another.
With SSH, you can remotely log into your A2 hosting account and run commands as if you were sitting on the server. With its simplified interface, the command line allows you to perform tasks with text commands. You may also find that SSH is a time-saving solution up Multiple tasks. For example, you can perform tasks that you cannot do with your account’s hosting control panel. Below, we have mentioned the steps to use SSH on Windows/MacOS/Linux.
How to Use SSH on MacOS/Linux/Windows
Using SSH on Windows
- Download and install Putty. While Windows can be used with SSH on its own command line, Putty is the most accessible means of opening an SSH connection.
- Open the Putty. Putty’s interface has a hostname/ip address section where we enter the details of the computer we want to SSH to.
- Enter the appropriate address in the Hostname or IP Address field and click Open.
- Answer yes when asked to confirm your connection. The first time you connect to this system, you will be prompted.
- Enter your username and password as prompted. The password will not be displayed on the screen, this is normal behavior and security feature.
- You are now in control of the remote machine and all commands will be executed using the remote machine.
- When you’re done with the SSH session, type output and press Enter or close the window. It’s important to close an SSH session when it’s not in use, so you don’t accidentally send commands to it or leave it open if your computer is hacked.
Using SSH on Linux
- Open a terminal if you are not already in a command prompt. To do this press CTRL + ALT + T or you can find the app by going to the Apps menu and searching for “Terminal”.
- Use SSH to login to the remote computer with your username and IP address / hostname. For example, our user is “pi” and hostname is “smartip” and this is what we will use:
- Enter Yes if you get a warning that the key for the SSH connection is unknown. This may happen on the first connection and you may need to reconnect after login.
- Enter your password when prompted. You can’t see the letters while you type.
- Press CTRL + D or type “Exit” to end your session.
Using SSH on MacOS
- Start Terminal by clicking the Terminal icon in the Dock.
- The final device is ready to use.
- Enter the SSH command followed by username@server. In the example below, our user is “pi” and hostname is “raspberrypi.local”.
- Enter Yes when prompted the first time to confirm the connection.
- Enter your password when prompted.
- When you’re done with the SSH session, exit with CTRL+D or type exit and press Enter. It’s important to close an SSH session when it’s not in use, so you don’t accidentally send commands to it or leave it open if your computer is hacked.
How to Run a command and close an SSH connection
- Open Terminal/Command Prompt.
- Use SSH to login to the remote machine, add “-t”. At the end of the command, paste the command you want to run and press Enter. In our example, we log into a Raspberry Pi and then run the poweroff command to turn off the Pi.
- ssh email@example.com -t “sudo poweroff”
- Enter the required password
- The remote computer should now log you out and run the task later.
We hope you will understand and enjoy this article how to Connect SSH on Windows/MacOS/Linux. SSH is an acronym that stands for “Secure Shell”. The SSH protocol is designed as a secure alternative to insecure external shell protocols. It uses a client-server paradigm in which clients and servers communicate over a secure channel. The channel created by SSH uses public key cryptography to authenticate the client. Once a connection is established, SSH provides an encrypted way to securely exchange information regardless of the underlying network infrastructure.
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