Latest Articles

Learn how to create symbolic links in Linux using the ln command. Understand soft links vs hard links, when to use each, and how to verify, find, and remove symlinks with practical examples.

Learn how to use the curl command in Linux with clear, practical examples. This cheat sheet covers downloading files, HTTP headers, silent mode, redirects, POST requests, authentication, and common troubleshooting use …

Learn the cpio command in Linux with clear, practical examples. Understand copy- in, copy-out, and pass-through modes, create and extract archives, preserve permissions, work with initramfs, and compare cpio with tar.

Learn dmidecode with practical examples to read SMBIOS/DMI data in Linux. Get BIOS version, system manufacturer, serial number, UUID, memory slot details, and CPU information, plus troubleshooting for permission errors …

Learn how to use the chown command in Linux to change file and directory ownership safely. Covers recursive chown, symbolic links, --from, --reference, verbose output, and best practices.

Learn how to use the screen command in Linux to manage persistent terminal sessions. Includes examples to list, attach, detach, rename, log, and close screen sessions with practical shortcuts.

Learn how to use the cmp command in Linux to compare files byte by byte. Includes practical examples, options like -l, -b, -s, exit codes, and real-world scripting use cases.

Learn how to use chmod recursive (-R) in Linux with clear examples. Change permissions for all files or directories using 755 or 777, avoid common mistakes, and restore permissions safely.

Learn how to use the chage command in Linux to manage password expiry, account aging, inactivity locks, and user expiration with practical examples and best practices.

Learn the chattr command in Linux with 11 practical examples. Understand file attributes, immutable files, append-only mode, and how to use lsattr to inspect attributes.

Learn how to use the chgrp command in Linux to change group ownership of files and directories. Includes recursive usage, sudo examples, symbolic links, error handling, and a quick reference cheat sheet.

Learn Linux Access Control Lists (ACL) with clear explanations and practical examples. Understand when to use setfacl vs chacl, how to inspect, change, remove, and apply ACLs recursively on files and directories, and …

Learn the cat command in Linux with simple, practical examples. This beginner- friendly cheat sheet covers syntax, file creation, appending, line numbers, whitespace detection, and concatenating multiple files.

Learn the AWK command in Linux with practical examples. Covers syntax, patterns, columns, BEGIN/END blocks, loops, scripts, and real-world use cases.

Learn how to use the apt-cache command in Ubuntu and Debian to search packages, inspect package policy, analyze dependencies, and debug APT issues with clear, practical examples.

Learn the apt command in Linux with 15 practical examples. This APT commands cheat sheet covers installing, removing, updating, upgrading, searching, and managing packages on Debian-based systems.

Learn the bzip2 command in Linux with practical examples. Compress and extract files and directories, verify integrity, optimize performance, and compare bzip2 with gzip and xz.

Learn the adduser command in Linux with syntax, options, and 15 practical examples. Create users, system users, groups, set UID, GID, GECOS, shells, and home directories on Ubuntu and Debian systems.

Learn how to install .deb files in Kali Linux using dpkg, apt, and gdebi. Step- by-step commands, dependency fixes, and best practices.

Learn the exact value of Long.MAX_VALUE and Long.MIN_VALUE in Java, why overflow happens, and how to safely handle large numbers with clear examples.

We explore the different root cause for getting zsh: command not found: pip error in Linux and how to fix those errors.

How to create, read, modify, find and remove dashed filename and directories in Linux. Open and access files & directories starting with (dash) and double dash (--)

Git remote add is a git command that enables developers to work on a central remote repo by creating remote duplicates. Remote add command serves as a means through which collaborators for a project can independently …

How to set up proxy on Linux using http_proxy and https_proxy environment variable. Export the variables or set using /etc/environment and /etc/profile.d script

Find duplicate ip address, how to detect duplicate ip address with arping, detecting duplicate ip addresses using arp, linux detect duplicate ip address wireshark

Step by Step instructions to setup carl bot reaction roles with examples.

Step by step instructions to setup discord poll bot i.e. easypoll with examples and commands.

Understand what is discord in laymen terms. Discord is used for different types of voice, text and video chat. It is also used for streaming games, videos etc

Discord is a popular chat client that allows gamers of all kinds to communicate and collaborate. It is a popular chat app that lets users connect with friends

Step by step instructions to check audit logs on Discord to troubleshoot any kind of issues.