How Snip

How to Transfer Files Securely Using SCP on Linux

SCP (Secure Copy Protocol) is one of the easiest and most reliable ways to transfer files between Linux systems over a secure SSH connection. Whether you need to copy backups…

Carly Medina October 22, 2026

Linux

How to Enable SSH Two-Factor Authentication (2FA) on Ubuntu with Google Authenticator

Securing SSH access is one of the most important steps in protecting an Ubuntu server. Password-only logins can be vulnerable if credentials are leaked or stolen. By enabling two-factor authentication…

Carly Medina October 22, 2026

Tech

[PHP2Shell] How to Check PHP Servers for CVE-2026-109618 and CVE-2026-109619

Two critical vulnerabilities in the PHP programming language have raised concerns for organizations running PHP-powered websites and web applications. Tracked as CVE-2026-109618 and CVE-2026-109619, these vulnerabilities, collectively associated with the…

Carly Medina October 22, 2026

Linux

How to Install and Secure MySQL on Ubuntu

MySQL is one of the most widely used relational database management systems for web applications, software development, and server environments. If you're setting up a new Ubuntu system, installing and…

Carly Medina October 22, 2026

Tech

Major Cybersecurity Incidents: eMudhra, SBI Data Breach, PHP2Shell, Node.js and LiteLLM Security Risks

The cybersecurity landscape is facing a series of serious security challenges, from certificate authority vulnerabilities and customer data exposure to critical remote code execution flaws and software supply-chain attacks. Recent…

Carly Medina October 22, 2026

Tech

eMudhra Certificate Compromise Triggers Global Security Response After Eight CA Keys Exposed

A major internet security incident has prompted emergency action from browser makers and software vendors after the private keys associated with eight certificate authority (CA) certificates operated by eMudhra were…

Carly Medina October 21, 2026

Linux

How to Install MongoDB and Create Your First Database and Collection

MongoDB is one of the most popular NoSQL databases used for storing and managing flexible, document-based data. Before you can start building applications with MongoDB, you need to install the…

Carly Medina October 21, 2026

Linux

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