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This article covers how to install and Enable SSH service on Debian 9 system. In short, SSH stands for Secure Shell. SSH is used for connecting to a remote computer accessing files and perform administrative tasks. You can now login remotely to your server using any SSH client from Linux or Windows system. To increase security of SSH connection by Changing default SSH port to custom one on you system. Get more details about SSH server from official SSH site.


How to Install SSH Server ?

On the system that acts as a server, run the following command:

$ sudo apt install openssh-server

You can check the status of the SSH service with the following command:

$ sudo systemctl status ssh

The system confirms that the SSH service is running.



This article covers how to define a new UFW rule for limiting SSH access on your Linux Mint 20 system. In fact, UFW, short for "uncomplicated firewall", is a frontend for the more complex iptables utility. It's designed to make managing a firewall as simple as setting ports to be open and closed, and regulating what traffic is allowed to go through.


How to install UFW on Ubuntu / Debian ?

UFW is installed by default in Ubuntu, but if it's not you can install it from apt:

$ sudo apt-get install ufw

If you're running another distro, you'll have to use that distro's package manager, but UFW is widely available. You can check the status of the firewall with:

$ sudo ufw status



This article covers how to install and Enable SSH service on Ubuntu 18.04 system. You can now login remotely to your server using any SSH client from Linux or Windows system. To increase security of SSH connection by Changing default SSH port to custom one on you system. Get more details about SSH server from official SSH site.

When establishing a remote connection between a client and a server, a primary concern is ensuring security. For Linux users, the best practice of accessing and managing your server remotely is through the cryptographic protocol known as Secure Shell (SSH).


How to Enable SSH on Ubuntu ?

1. To install SSH, first update the package repository cache with:

$ sudo apt-get update

2. Now install the OpenSSH software package by entering:

$ sudo apt-get install openssh-server

If prompted, type in your password and press y (yes) to permit the installation.

3. To verify the installation was successful and SSH is running use the command:

$ sudo service ssh status

The confirmation message that you are looking for is: Active: active (running).



This article will guide you on the steps to install openssh server (sshd) and clients on CentOS Linux using the yum command. The #ssh #command provides a secure encrypted connection between two hosts over an insecure #network. This connection can also be used for #terminal access, file transfers, and for tunneling other applications. Graphical X11 applications can also be run securely over SSH from a remote location.




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