How Snip

Linux Head Command Tutorial – How to View the First Lines and Bytes of Files

The head command is one of the most useful Linux utilities for quickly previewing file contents. Whether you're checking a log file, examining a CSV dataset, validating command output, or…

Carly Medina October 20, 2026

Linux

How to Install and Configure Elasticsearch 8 on Linux

Elasticsearch is a powerful search and analytics engine used for log management, full-text search, observability, security analytics, and more. In this tutorial, you'll learn how to install Elasticsearch 8, configure…

Carly Medina October 20, 2026

Linux

Wireshark Investigation Guide – Essential Filters for Incident Response and Malware Analysis

When investigating security incidents or analyzing malware activity, network traffic often provides some of the most valuable evidence. Wireshark is one of the most widely used packet analysis tools for…

Carly Medina October 20, 2026

Linux

Linux SED Command Tutorial – A Beginner-Friendly Guide with Practical Examples

The SED command (short for Stream Editor) is one of the most powerful text-processing tools available in Linux. It allows you to search, filter, modify, and transform text directly from…

Carly Medina October 20, 2026

Linux

Netstat Command in Linux – Installation, Syntax, and Practical Examples

The Netstat command is a classic Linux networking utility used to view active network connections, listening ports, routing tables, interface statistics, and protocol information. It is especially useful when troubleshooting…

Carly Medina October 20, 2026

Linux

How to Use the curl Command in Linux – Installation, Examples, API Requests, and Troubleshooting

The curl command is one of the most useful networking tools available on Linux. Whether you're downloading files, testing APIs, troubleshooting websites, automating server tasks, or working with DevOps workflows,…

Carly Medina October 20, 2026

Linux

How to Install Jenkins on Ubuntu (Step-by-Step Guide)

Jenkins is one of the most popular open-source automation servers used for Continuous Integration and Continuous Delivery (CI/CD). It helps developers automate building, testing, and deploying applications. In this tutorial,…

Carly Medina October 20, 2026

Linux

How to Set Up a Python HTTP Server on Ubuntu

Running a simple HTTP server with Python is one of the fastest ways to share files, test web content, build mock APIs, or perform local development on Ubuntu. Python includes…

Carly Medina October 20, 2026

Linux

Linux PS Command Tutorial – How to View Running Processes in Linux

The ps command is one of the most useful Linux utilities for viewing and analyzing running processes. Whether you're troubleshooting high CPU usage, checking which programs are running under a…

Carly Medina October 20, 2026

Linux

How to Use Tshark for Network Traffic Capture and Analysis

Tshark is the command-line version of Wireshark, one of the most widely used network analysis tools. It allows you to capture live traffic, analyze packet capture (PCAP) files, apply powerful…

Carly Medina October 20, 2026

Linux

Grep Command in Linux – A Complete Step-by-Step Tutorial

The grep command is one of the most useful tools available in Linux and macOS terminals. Whether you're searching log files, troubleshooting applications, reviewing configuration files, or analyzing large datasets,…

Carly Medina October 19, 2026

Linux

Top Things to Do After Installing Kali Linux

After installing Kali Linux, there are a few important tasks you should complete before using it for security testing, development, or everyday work. These steps help ensure your system is…

Carly Medina October 19, 2026

Linux

How to Use Wireshark Filters to Analyze Network Traffic

Wireshark is one of the most widely used network protocol analyzers for monitoring, troubleshooting, and investigating network traffic. Whether you're a beginner learning packet analysis or an IT professional performing…

Carly Medina October 19, 2026

Linux

DNS Enumeration Commands – A Beginner-Friendly Guide

DNS enumeration is the process of gathering information about a target domain's DNS infrastructure. It helps identify records such as IP addresses, mail servers, authoritative name servers, and sometimes additional…

Carly Medina October 19, 2026

Linux

How to Install and Configure a Secure vsftpd FTP Server on Linux

FTP remains a practical solution for transferring files between systems, especially in environments where users need simple access to upload and download content. One of the most popular FTP server…

Carly Medina October 19, 2026

Linux

How to Install Ubuntu Server on VirtualBox – Step-by-Step Beginner Guide

Running Ubuntu Server inside VirtualBox is a great way to learn Linux administration, test server configurations, or build a lab environment without using a dedicated physical machine. In this tutorial,…

Carly Medina October 19, 2026

Linux

50+ Essential Linux Commands with Examples

Linux commands are essential for managing files, configuring servers, troubleshooting network problems, monitoring system performance, and maintaining applications. Whether you are new to Linux or an experienced system administrator, understanding…

Carly Medina October 18, 2026

Linux

How to Download Files Using cURL on Linux

cURL is one of the most useful command-line tools available on Linux. It allows you to transfer data and download files from URLs using protocols such as HTTP, HTTPS, FTP,…

Carly Medina October 17, 2026

Linux

Linux tar Command Tutorial – Create, Extract, List, and Manage Archives

The tar command is one of the most commonly used tools in Linux for packaging files and directories into a single archive. It can also work with compression tools such…

Carly Medina October 17, 2026

Linux

Ubuntu Server Initial Setup Guide – Secure and Harden a New Ubuntu Server

Setting up a new Ubuntu server correctly is one of the most important steps in building a secure and reliable environment. Before deploying applications or hosting services, it's essential to…

Carly Medina October 17, 2026