How to Install OpenSSH server on Ubuntu 20.04 LTS
OpenSSH is the open-source version of the Secure Shell (SSH) tools. It is a free and open source ssh server and it use by IT engineer's to connect Linux and other non-Windows for cross-platform management of remote systems. OpenSSH provides a large suite of secure tunneling capabilities, authentication methods, and configuration options.
Install SSH server in Ubuntu
1. Open the terminal on Ubuntu.
2. Update the ubuntu using following command.
$ sudo apt-get update
3. After update completed, now upgrade the ubuntu.
$ sudo apt-get upgrade
4. After upgrade completed now install open ssh using following command.
$ sudo apt-get install openssh-server
5. Verify the ssh service running using following command.
$ sudo systemctl status ssh
6. If ssh service not running on ubuntu using following command for enable and start ssh service.
$ sudo systemctl enable ssh
$ sudo systemctl start ssh
Configure firewall for open ssh port.
1. Check the status of UFW firewall using following command.
$ sudo ufw status
2. Now Allow the ssh port in UFW firewall using following command.
$ sudo ufw allow ssh
$ sudo ufw reload
Now you can connect the ubuntu form another computer using the following steps.
$ ssh UserName@server-IP-Address
Type Password of user.
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