How to use dynamic array formulas in Microsoft Excel
Learn to master dynamic array formulas in Excel: overflow, key functions, and advanced examples explained step by step.
Computer Technology
How to implement dark mode on your website using CSS variables
Learn how to create a dark mode on your website using CSS variables, the `prefers-color-scheme` method, and optional JavaScript. A clear and practical guide in Spanish.
Better EDA environments for hardware and event architectures
Discover the best EDA environments for PCBs and ICs and how to design scalable and flexible event-driven architectures.
How to implement secure JWT authentication in a Node.js API
Learn how to protect your Node.js API with JWT: login, secure routes, refresh tokens, and security best practices explained step by step.
Detect intruders on your WiFi network using console commands
Learn how to detect intruders on your WiFi using console commands in Windows and Linux, nmap, ARP and more, step by step and with real examples.
How to set up a trusted VPN on your router with OpenVPN
Learn how to set up a secure VPN on your router with OpenVPN, avoid IP and port errors, and protect your entire home or office network.
How to mount network drives as local disks in Windows
Learn how to map network drives as local disks in Windows, alternatives like FTP/WebDAV, and how to avoid errors and security problems.
How to enable write caching on external drives and speed up transfers
Enable write caching and optimize your USB or external SSD to copy files much faster without losing data.
What is Clawbot and how is it used in robotics and fiction?
Discover what Clawbot is, what the VEX Clawbot kit includes, and how it's used in education, competition, and in curious science fiction stories.
How to set up a DMZ on your home or business network
Learn what a DMZ is, what it's for, and how to configure it on your router without compromising your network security.
Which lightweight desktop environment to choose for Linux
Discover which lightweight desktop environment to choose for Linux based on your PC, performance, and usage. Compare GNOME, KDE, XFCE, MATE, LXQt, and more.
Strengthening privacy in Windows 11 step by step
Configure Windows 11 to minimize telemetry and protect your data. Complete privacy guide with basic and advanced settings.
How to calibrate peak brightness with Windows HDR Calibration
Learn how to calibrate peak brightness and HDR color in Windows 11 with Windows HDR Calibration to get the most out of your HDR monitor.
How to create a RAM disk and use volatile memory as ultra-fast storage
Learn how to create a RAM disk in Windows and use volatile memory as ultra-fast storage, with advantages, risks, and key tools.
How to set up a home NAS server with OpenMediaVault
Complete guide to setting up and configuring a home NAS server with OpenMediaVault, secure SFTP access, RAID and network sharing.
How to optimize TCP/IP and your network to reduce latency in games
Learn how to adjust TCP/IP, router, DNS, and WiFi to minimize latency and ping in your online games and gain stability.
How to use steganography tools to hide messages in images
Learn how to hide messages in images using steganography, key tools, practical examples, and detection techniques to improve your security.
How to create a bootable multiboot USB drive with Ventoy
Learn how to create a multiboot USB drive with Ventoy to boot multiple operating systems from a single USB drive, easily and without formatting each time.
How to optimize SQL queries in a practical and effective way
Learn how to optimize SQL queries: indexes, EXPLAIN, joins, wildcards, and best practices for fast databases.
How to use Git Rebase step by step and without messing it up
Learn how to use git rebase (normal and interactive), avoid risks, and maintain a clean history without breaking the repository.
How to set up a reverse proxy server with Nginx step by step
Learn how to set up an Nginx reverse proxy: security, load balancing, caching, and best practices for your web applications.
How to use Pi-hole on a Raspberry Pi to block ads
Learn how to use Pi-hole on a Raspberry Pi to block ads and trackers across your entire network step by step and with advanced options.
Audit the security of your local network with Nmap and Wireshark
Learn how to audit your local network with Nmap and Wireshark: detect open ports, insecure services, and analyze traffic to improve security.
Configure port isolation on the Hyper-V virtual switch
Learn how to configure port isolation in Hyper-V with VLAN, NAT, ACLs, and port profiles to improve security and performance.
Add boot parameters to GRUB to avoid hardware problems
Learn how to use GRUB boot parameters to fix hardware, UEFI, Secure Boot and disk errors without reinstalling Linux.
How to encrypt files and folders with VeraCrypt step by step
Learn how to encrypt files, folders, disks, and USB drives with VeraCrypt, step by step, to protect your data and meet the privacy requirements you need.
How to deploy a Docker container on a remote server
Learn how to deploy Docker and Compose containers on remote servers, with examples, CI/CD, Plesk, Portainer, and secure web access.
How to fix a boot problem caused by incorrect fstab configuration from GRUB
Recover your Linux system when it won't boot due to a misconfigured fstab file. Step-by-step guide to repairing fstab and GRUB without losing your data.
How to stop cybersecurity attacks on the supply chain
Discover how to prevent supply chain attacks with real-world examples and key best practices to protect your business.
How to implement microservices with Docker and Kubernetes
A complete guide to implementing microservices with Docker and Kubernetes: architecture, deployment, orchestration, and best practices in production.
How to tell if your phone has been hacked and how to protect yourself
Discover clear signs that your mobile phone has been hacked, how to check it step by step, and the best measures to protect your phone.
How to locate and lock a stolen Windows laptop
Activate Find My Device, track your stolen laptop and protect it with remote locking and encryption in Windows 10 and 11.
WhatsApp: Complete guide to privacy and security
Configure WhatsApp to the fullest: privacy, chat locking, two-step verification, and key tricks to protect your conversations.
Tips to get the most out of Google Photos
Discover key tricks and settings to get the most out of Google Photos: organize, search, edit, and save space like a true expert.
Midjourney advanced commands: a complete guide to mastering AI
Discover all of Midjourney's advanced commands and learn how to create spectacular images with professional prompts, parameters, and tricks.
Do torrent downloads require an additional checksum?
Find out if torrent downloads need an extra checksum, when to use SHA-256, and how to verify your files without errors.
PlayStation Network security: real risks and how to protect your account
Discover the real risks on PlayStation Network, recent bugs, and the best ways to protect your PSN account.
Copilot Reprompt Failure: Real Risks, Blockages, and Safety
Discover what the Reprompt vulnerability in Copilot was, how it allowed data to be stolen with a single click, and what it means for your security with Microsoft AI.
Differences between FAT32, exFAT and NTFS: what to use in each case
Discover the differences between FAT32, exFAT, and NTFS, size limits, and compatibility to choose the best format for each drive.
Script Just The Browser: Clean your browser of AI, telemetry, and embedded advertising
Discover how Just The Browser cleans Chrome, Edge, and Firefox of AI, telemetry, and promos in minutes with secure and reversible policies.
What is Moltbot (formerly Clawdbot), how does it work, and the risks of using it?
Discover what Moltbot (formerly Clawdbot) is, how it works, why it has changed its name, and the key security risks of using this powerful AI agent.
HyperOS 3.1: This is how Xiaomi's big update will arrive in Europe
HyperOS 3.1 arrives with Android 16, a new interface, and improved AirPods support. Check compatible phones and expected release dates for Spain.
Tips for taking good photos of the Moon with your mobile phone
Configure your mobile phone like a pro and get spectacular photos of the Moon with these easy and effective tricks.
Slow VPN: Real Causes and How to Restore Speed
Is your VPN running very slowly? Discover the real causes, effective tricks, and what to change to regain speed without sacrificing security.
What is a SIEM and how does it protect your company's security?
Discover what a SIEM is, how it works, and why it's key to detecting attacks, complying with regulations, and strengthening your cybersecurity.
How to create playlists and smart lists with VLC step by step
Learn how to create, save, and use playlists and smart lists in VLC, including IPTV and links, with tips and tricks to avoid mistakes and get the most out of them.
Corrupt Chrome extensions: risks, examples, and how to protect yourself
Learn how to detect, remove, and avoid corrupt Chrome extensions and protect your data from malicious add-ons.
Broken synchronization with Adobe Fonts: common causes and solutions
Discover why Adobe Fonts synchronization breaks down and how to recover your fonts in Creative Cloud step by step.
Green or distorted videos in VLC: causes and solutions
Green screen in VLC or distorted videos: discover real causes and practical solutions to recover your videos without errors.
What is Quantum Internet and why will it change the web?
Discover what Quantum Internet is, how it works, and why it will be key to the security and communications of the future.