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Install Adobe Acrobat Reader in Ubuntu 20.04 - Step by Step Process ?

This article covers how to install and use Adobe acrobat reader to view PDF files on your Ubuntu 20.04 system.

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Set Up OpenVPN on Ubuntu 20.04 - Step by Step Process ?

This article covers method to set up OpenVPN on Ubuntu 20.04. OpenVPN is a full featured, open-source Transport Layer Security (TLS) VPN solution that accommodates a wide range of configurations. OpenVPN is an open-source, fast, popular program for creating a VPN (Virtual Private Network). It uses both the TCP and UDP transmission protocols, and VPN tunnels are secured with OpenVPN protocol with SSL/TLS authentication, certificates, credentials, and optionally MAC address lock as well as multi-factor authentication.

Here, you will set up OpenVPN on an Ubuntu 20.04 server, and then configure it to be accessible from a client machine.

To confirm that the OpenVPN service is up and running by checking its status using the following systemctl command:

$ sudo systemctl status openvpn

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Update Firmware on Ubuntu Using fwupd - Step by Step Process ?

This article covers how to update firmware on Ubuntu using fwupd. Fwupd aims to make firmware update on Linux systems automatic, safe, and reliable. It is mainly used to update UEFI firmware. There are many companies that already support native firmware updates such as Dell, Lenovo, HP, Intel, and System76. 


To Install fwupd on Ubuntu, run the following command:

$ sudo apt install fwupd

To download and apply all updates for your system use the update option:

$ fwupdmgr update

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Install uTorrent on Linux Mint 20 - Step by Step Process ?

This article covers how to Install uTorrent on a Linux Mint 20 system. The µTorrent is designed to use minimal computer resources while offering functionality comparable to larger BitTorrent clients such as Vuze or BitComet and also it provides performance, stability, and support for older hardware and versions of the operating system.

uTorrent server will start on port 8080 on the local system.

Open a web browser and connect to your system on port 8080 as below URL:

http://localhost:8080/gui/
Username: admin
Password: <keep it empty>

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Check if SSH is Running on Your Linux Mint 20 System - How to do it ?

This article covers different methods of checking if SSH is running on your Linux Mint 20 system or not. Enabling SSH on Ubuntu is one of the tasks to do after the fresh installation of OS and helps you to connect your system remotely and perform tasks securely.


How to Allow SSH in Firewall ?

You may need to allow SSH incoming connections in firewall. So, use the below command to create a rule in UFW to allow SSH connections from external machines.

$ sudo ufw allow ssh
$ sudo ufw enable
$ sudo ufw reload


How to Disable SSH on Ubuntu / Linux Mint / Debian ?

For any reason you want to disable SSH on your system, you can just stop the SSH service by running the below command:

$ sudo systemctl stop ssh

Also, you need to disable the SSH service so that it doesn't start on system reboot:

$ sudo systemctl disable ssh

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Start, Stop or Restart Services in CentOS 8 - Step by Step Process ?

This article covers how to start, stop and restart the httpd service on CentOS 8 system with the help of the systemctl command. Using this utility, you can easily control any systemd and server-wide service on your system. 

Linux provides fine-grained control over system services through systemd, using the systemctl command. Services can be turned on, turned off, restarted, reloaded, or even enabled or disabled at boot. If you are running Debian 7, CentOS 7, or Ubuntu 15.04 (or later), your system likely uses systemd.

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