How To Install OpenSSH on Ubuntu 16.04 LTS

Install OpenSSH on Ubuntu 16.04 LTS

In this tutorial we will show you how to install OpenSSH on Ubuntu 16.04 LTS. For those of you who didn’t know, OpenSSH (OpenBSD Secure Shell) is a connectivity tool that enables remote login via the SSH protocol, hence eliminating eavesdropping, connection hijacking, and other attacks. It helps to secure all network communications by encrypting all network traffic over multiple authentication methods through a secured tunnel.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation OpenSSH on an Ubuntu 16.04 Xenial Xerus server.

Install OpenSSH on Ubuntu 16.04 LTS

Step 1. First make sure that all your system packages are up-to-date by running these following apt-get commands in the terminal.

Step 2. Installing OpenSSH on Ubuntu 16.04.

Install it by running the following command in your terminal:

Furthermore, you can install the OpenSSH client application using the following command:

After that, you should have SSH service enabled in your system:

Last step is to open up the ssh firewall port:

Step 3. Advanced Configuration OpenSSH.

Now sometime we may want to change some settings (for example, the port, and root login permission) . This can be done by editing the configuration file via command:

The first thing you may want to do is to change the default SSH listening port. Open the file and locate the line that specifies the listening port:

Change it to something else. For example to 2022:

Save the file and close it. Then restart the service for the changes to take effect:

Congratulation’s! You have successfully installed OpenSSH. Thanks for using this tutorial for installing OpenSSH on your Ubuntu 16.04 LTS. For additional help or useful information, we recommend you to check the official OpenSSH web site.

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