How to Password Protect a File in Vim Editor

Password protected text file in vim editor

The Vim editor can be described as a text editor for programmers. It is upward compatible with the Vi editor and can be used to write and edit simple files and programs. Besides the many extensions it offers, the Vim editor can also be used to password protect your text files. In this article, we … Read more

How to Install vim editor on Debian 11

Vim Editor

Vim is a short form of Vi IMproved. It is an open-source and free tool with a command-line interface and a Graphical User Interface. This article will show you how to install vim editor on Debian 11 using the terminal. To get started, you need to open up a terminal with root privileges and update … Read more

How to Install and Use Podman Container Engine on Rocky Linux 8

Podman Container Engine

Podman is a free and open-source daemon-less container engine that was developed by RedHat. It exists to help developers manage and deploy their applications in a Linux environment. Similar to the Kubernetes platform, Podman works with pods. Podman seeks to be the alternative to the Docker engine which is also a containerization platform. Podman improves … Read more

Get System and Hardware Details with uname and lscpu on Debian

Debian get Hardware details

This guide shows you how to retrieve system details of your Debian 11 or Debian 10 system, e.g. kernel name, kernel release, kernel version, hostname, hardware architecture, processor type, hardware platform and operating system information. This guide was tested with Debian 10, but the commands shown here also work with other Linux distributions. ¬†How to … Read more

How to Flush the DNS Cache on Ubuntu

Ubuntu Flush DNS Cache

The DNS or the Domain Name Server can be characterized as one of the most essential parts of your link to the internet. The DNS translates the domain names to and from the IP addresses so that we don’t need to remember or keep a list of all the IP addresses of the websites we … Read more

How to Customize your Ubuntu Terminal Prompt

Customize bash prompt

Most Ubuntu systems use bash or dash as their default terminal application. You type your commands at a standard command prompt, which usually displays your username, hostname, and current directory in a predefined color scheme. Bash provides many customization options for the command prompt that allow you to not only add different functions to the … Read more

5 Ways to Edit PDF files in Ubuntu

Edit PDF file in Ubuntu

PDF or Portable Document Format is usually our first choice when it comes to printing, sharing, and sending documents, especially larger documents. On Windows and macOS, you probably are familiar with and rely on the widely used Acrobat products for viewing and editing PDF files. Unfortunately, there is no standard PDF editor on your Linux … Read more

How to block/allow ping using iptables in Ubuntu

Ubuntu Block Ping

What is iptables? Iptables is a command-line firewall program that allows or blocks traffic based on the policy chain used. Iptables takes a packet-based approach to monitor traffic. When a program tries to connect to your system, iptables looks for a rule from a predefined list. If a rule is not found, it falls back … Read more