Most modern operating systems rely on disk I/O caching to improve system performance by storing frequently accessed data in memory. However, there are times when you might want to clear these caches, such as when benchmarking disk performance, troubleshooting, or ensuring that data is read from the disk rather than ... Read More

WhatsApp is one of the most popular messaging applications worldwide, known for its simplicity and robust features. It allows you to share pictures, videos, make audio and video calls, one-to-one or in groups, with your friends and family. Moreover, there are plenty of groups and channels in WhatsApp for everyone ... Read More

IP address stands for Internet Protocol address, which is a unique string of numbers assigned to each device connected to a computer network that uses the Internet Protocol for communication. A system needs an IP address for various networking tasks in Linux, like setting up network connections, configuring services like ... Read More

Converting images to grayscale is a common image processing task that can be easily accomplished using command-line tools in Bash. This tutorial will show you several methods to convert images to grayscale using popular image manipulation utilities. Using ImageMagick ImageMagick is one of the most powerful and widely used command-line ... Read More

In an operating system, file extensions usually help identify file types and ensure proper handling by applications. When working with files in a Unix-like operating system including Linux, you may encounter situations where files sometimes lack extensions, making it difficult to identify their types or open them with the appropriate ... Read More

Artix Linux is a fast, customizable and user-friendly Linux distribution based on Arch Linux. It is now more stable and secure than its predecessors while using real init systems instead of systemd. Artix Linux can be installed either by console (text-based) or GUI installer. Although GUI installers are an easier ... Read More

Yum repository is a central database of software that is used for installation/upgrade of packages on a Red Hat/CentOS based Linux server. This repository includes software that are used by system as well as for user level programs. An administrator can set-up a custom local yum repository instead of using ... Read More

Apache HTTP server (often called Apache) is an open-source, cross-platform web server developed by Apache Software Foundation. It is one of the most popular web servers available used for hosting web sites and serving web content. By default, Apache works on port 80/tcp for HTTP and 443/tcp for HTTPS. There ... Read More

Secure Copy Protocol (scp) helps to securely transfer files between hosts on a network. It relies on SSH (secure shell) using SFTP protocol to create a secure connection and encrypt the data during transit whether it is a single file or whole directory. scp uses the same authentication as ... Read More

VirtualBox is an open-source, cross-platform virtualization tool by Oracle which allows us to create and run multiple operating systems simultaneously on a single physical machine. As a Type-2 Hypervisor, VirtualBox is installed on top of an operating system such as Windows, Linux or Mac and provides both headless interface and ... Read More