Tech insights & updates

A reverse proxy stands between your visitors and your servers, handling every request before it reaches your application. Here is how it works, what it does, and when you actually need one.

Containers and virtual machines both run apps in isolation, but they work very differently. This guide compares speed, size, security and resource use, and shows when to use each.

DNS translates domain names into IP addresses so your browser can find any website. This beginner-friendly guide explains how lookups work, key record types, TTL, and the DNS problems you are most likely to meet.

Install Node.js LTS on Windows 11 the right way: official installer, winget, and nvm-windows methods, plus verification, a first project, and fixes for the common PATH and version conflicts.

Watchtower watches your Docker containers and updates them automatically when a newer image appears. This guide installs it on Ubuntu with a safe schedule, cleanup, labels, and notifications.

PHP 8.1 and older got no official fix for the October 2026 critical RCE vulnerabilities (CVE-2026-109618, CVE-2026-109619). Here are your three options: vendor backports, a guided upgrade to PHP 8.4, or temporary mitigations if you cannot move yet.

PHP2Shell is the researcher nickname for the critical October 2026 PHP RCE pair (CVE-2026-109618 + CVE-2026-109619). Here is how both flaws work, how to check your exposure, and the temporary mitigations to use until you patch.

Step-by-step guide to patch PHP on Ubuntu 24.04/22.04 against the October 2026 critical RCE flaws: upgrade to the fixed release, restart PHP-FPM, and verify.

On October 21, 2026, PHP released emergency fixes for two critical remote code execution flaws (CVE-2026-109618 and CVE-2026-109619, CVSS 9.2). This guide explains the bugs, lists the fixed versions, and walks you through patching and verifying your server.