Networking

This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line tool for controlling NetworkManager and reporting network status. It can be utilized as a replacement for nm-applet or other graphical clients. It is used to create, display, edit, delete, activate, and deactivate network connections, as well as control and...

In this guide, we are going to learn how to set system wide proxy in Ubuntu 18.04. Imagine you are in a local network environment where access to the Internet is also possible when you are going through a proxy server. Well, in this guide we are gonna learn how to configure system wide proxy settings on your Ubuntu...

Hello there, today we are going to learn how to allow/deny specific users to login via SSH on Ubuntu 18.04 system. Allow/Deny Specific Users to Login via SSH on Ubuntu 18.04 Allow Specific Users to Login via SSH on Ubuntu 18.04 In order to allow specific users or a specific group of users to login to an Ubuntu 18.04 system via...

Welcome folks to this very tutorial on how to install and setup Zsh and Oh-my-Zsh on Ubuntu 18.04. Z shell (ZSH) is a Unix shell that can be used as an interactive login shell and as well as a command interpreter for shell scripting. It incorporates features of other shells such as Bash, tcsk, ksh. Some of the features include; ...

Zoom is an easy to use and secure communication software that offers video conferencing, online meetings, chat, mobile collaboration and webinars across multiple platforms: mobile devices, desktops, telephones, and room systems. In this tutorial, we are going to learn how install Zoom client on Ubuntu 18.04 desktop so that you can be able to join Zoom meetings. Download Zoom Package To download...

In this tutorial, we are going to learn how to configure static IP Addresses using Netplan on Ubuntu 20.04/18.04 To manage network interfaces, Ubuntu 20.04/18.04 uses the Netplan utility. Netplan is a YAML network configuration abstraction for various backends The Netplan command has replaced the commonly used static interfaces configuration file, /etc/network/interfaces, with various network configuration files in the /etc/netplan/ directory. The...

In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN is an open-source VPN software that enables us to create an SSL-based VPN tunnel. Imagine you would like to connect to your co-oporate intranet from a remote location. Well worry not because if you have VPN server setup, this can...

Today, we are going to learn about how to install and Use VeraCrypt to Encrypt Drives on Ubuntu 18.04. So what is VeraCrypt? VeraCrypt is an open-source software forked from TrueCrypt whose development and maintenance has since been discontinued. It is used for performing on-the-fly disk encryption (OTFE). On-the-fly encryption means that data is encrypted before it is written to...

In this guide, we will learn how to install and configure BackupPC as a backup server on Ubuntu 18.04. BackupPC is a free, high-performance enterprise-grade backup software suite with a web-based frontend that can be used for backing up Linux, Windows and Mac OS PCs and laptops to a server's disk. BackupPC is highly configurable, easy to install and maintain....

In this guide, we are going to learn how to configure Postfix to use Gmail SMTP on Ubuntu 18.04 to relay mails. To ensure reliable mail delivery, Postfix MTA can be configured to relay mails through an external SMTP server such as Gmail SMTP server. Configure Postfix to Use Gmail SMTP on Ubuntu 18.04 Install Postfix on Ubuntu 18.04 If Postfix is...