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Email to Profile: Social Media Search and Free Lookup Tools

Introduction Connecting an email address to a real person can reveal valuable insights. With email-to-profile...

OSINT

Advanced Free Email Lookup and Reverse Search Techniques

Introduction Email addresses are often the keys to digital identities. With the right tools, you...

How to Use Pentest Copilot in Kali Linux

Introduction Artificial Intelligence is changing how cybersecurity professionals work, especially in penetration testing. Tools that...

stat Command in Linux: View File and Filesystem Metadata

By Cyber Defence on August 9, 2026

The stat command in Linux displays detailed metadata about files and filesystems. Where ls gives a condensed summary suitable for directory listings, stat shows everything at once: inode number, block allocation, all three timestamps, permissions, and ownership. How to Use the stat Command in Linux The...

groupadd Command in Linux: Create Groups and Set GID Options

By Cyber Defence on August 8, 2026

In Linux, groups organize user accounts and define shared access to files and resources. Every group member inherits the read, write, or execute permissions assigned to that group on a given file or directory. The groupadd command creates new groups. Only root...

touch Command in Linux: Create Files and Update Timestamps

By Cyber Defence on August 8, 2026

The touch command in Linux does two things: it creates new empty files, and it updates the timestamps on existing files and directories. When run on a file that does not exist, it creates it. When run on an existing file, the...

rsync Command in Linux: Sync Files, Mirror, and Transfer Remotely

By Cyber Defence on August 7, 2026

The rsync command in Linux synchronizes files and directories between two locations, locally or over SSH. Unlike scp, which copies files unconditionally, rsync transfers only the differences between source and destination. This makes repeated syncs and large directory transfers far more efficient. This...

Email to Profile: Social Media Search and Free Lookup Tools

By 0xSnow on November 3, 2025

Introduction Connecting an email address to a real person can reveal valuable insights. With email-to-profile searches, social media lookups, and reverse search tools, you can uncover linked accounts, public posts, and verified identities. This process is common in cybersecurity, recruiting,...

Advanced Free Email Lookup and Reverse Search Techniques

By 0xSnow on November 3, 2025

Introduction Email addresses are often the keys to digital identities. With the right tools, you can uncover social media profiles, online activity, and even business records associated with an email. This process, known as email lookup or reverse email search,...

How to Use Pentest Copilot in Kali Linux

By 0xSnow on November 1, 2025

Introduction Artificial Intelligence is changing how cybersecurity professionals work, especially in penetration testing. Tools that once required manual effort are now becoming smarter and more efficient. One of the most interesting AI-assisted tools available today is Pentest Copilot, developed by...

How to Use the Windows Registry to optimize and control your PC.

By Tamilselvan S on October 30, 2025

The Windows Registry Editor lets you easily view and control critical Windows system and application settings. It acts as a central hub, storing configuration information for your hardware, software, and personal preferences. Type regedit in the Start menu or the...

MQTT Security: Securing IoT Communications

By 0xSnow on October 30, 2025

In the rapidly expanding Internet of Things (IoT) ecosystem, billions of devices are constantly exchanging data from smart home appliances and industrial sensors to connected vehicles and healthcare monitors. Behind this seamless communication lies a lightweight protocol that powers most...

Install Mattermost on Ubuntu 18.04: Nginx SSL Reverse Proxy Setup

By Cyber Defence on August 2, 2026

Mattermost is an open-source, self-hosted team messaging platform and a direct alternative to Slack. It is written in Go and React, supports MySQL or PostgreSQL as a database backend, and provides file sharing, direct and group messaging, custom emojis, and video...

Install Asterisk on Ubuntu 18.04: Source Build and Secure Config

By Cyber Defence on August 2, 2026

Asterisk is the most widely deployed open-source PBX (Private Branch Exchange) platform in the world. It powers VoIP gateways, IP PBX systems, conference servers, and call center infrastructure for individuals, businesses, and governments. Its features include voicemail, music on hold, conference...

Install Ghost on Ubuntu 18.04: Node.js, MySQL, and Nginx SSL

By Cyber Defence on August 2, 2026

Ghost is an open-source publishing platform built on Node.js. It is designed for bloggers, journalists, and independent publishers who want a fast, customizable platform they can self-host. Ghost handles content management, membership subscriptions, email newsletters, and SEO out of the box....

Install Docker on Ubuntu 26.04: Official Repository Setup Guide

By Cyber Defence on August 3, 2026

Install Docker on Ubuntu 26.04: Official Repository Setup GuideDocker is an open-source container platform that packages application code together with its dependencies and runtime into portable containers. Those containers run identically across developer laptops, test environments, and production servers, removing...

rmmod Command in Linux: Remove Kernel Modules and Blacklisting

By Cyber Defence on August 6, 2026

The rmmod command in Linux removes a loaded module from the running kernel. Because the kernel has a modular design, you can load and unload drivers and features on demand, without rebooting or recompiling anything. This guide covers how to use the rmmod command...