How Snip

Metasploitable2 Walkthrough – Network Scanning and Common Service Exploitation Guide

Metasploitable2 is one of the most widely used intentionally vulnerable virtual machines for learning penetration testing and security assessment techniques. In this tutorial, you'll set up a safe lab environment,…

Carly Medina October 13, 2026

Linux

How to Install and Use Sysstat in Linux

Sysstat is one of the most useful Linux performance-monitoring toolsets available. It helps administrators and developers troubleshoot CPU bottlenecks, disk I/O issues, memory pressure, network congestion, and process-level resource consumption.…

Carly Medina October 13, 2026

Linux

How to Test TCP and UDP Ports on Linux Using Netcat, Nmap, SS, Bash, and Curl

When you're troubleshooting network connectivity, one of the first things you'll want to know is whether a specific port is reachable. Whether you're checking an SSH server, verifying a web…

Carly Medina October 12, 2026

Linux

How to Use the Linux Find Command with Practical Examples

The find command is one of the most powerful file management tools available in Linux. Whether you need to locate a specific file, identify large files consuming disk space, audit…

Carly Medina October 10, 2026

Linux

AWK Command Tutorial for Beginners – Syntax, Examples, and Real-World Use Cases

Processing text files, log files, and structured data is a common task in Linux and Unix environments. The AWK command is one of the most powerful tools available for this…

Carly Medina October 10, 2026

Linux

How to Set Timezone, Date, and Time in Linux Using timedatectl

Managing the correct date, time, and timezone is essential for every Linux system. Accurate time settings help ensure proper log timestamps, scheduled tasks, application functionality, and secure network communication. In…

Carly Medina October 10, 2026

Linux

How to Collect Linux Hardware and System Information Using Command-Line Tools

Whether you're troubleshooting a Linux server, documenting hardware specifications, or simply learning more about your system, Linux provides several built-in tools for gathering detailed system and hardware information. In this…

Carly Medina October 10, 2026

Linux

50+ Essential Linux Commands You Should Know

Linux provides powerful command-line tools for managing files, monitoring system resources, troubleshooting problems, and working with remote servers. Whether you're just getting started with Linux or need a quick reference…

Carly Medina September 29, 2026

Linux

How to Add a User to the Sudoers Group on Linux Safely

Managing sudo access is a common Linux administration task. Whether you're granting administrative privileges to a new user or creating custom permission rules, it's important to do it safely to…

Carly Medina September 29, 2026

Linux

A Complete TCPDump Guide for Network Administrators

TCPDump is one of the most widely used command-line tools for capturing and analyzing network traffic on Linux and Unix-based systems. Whether you're troubleshooting connectivity issues, monitoring network activity, or…

Carly Medina September 28, 2026