🟡 Medium ⏱ 5–30 min Last verified: 11 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
A server’s hostname is its identity on the network. The fully qualified domain name (FQDN) combines the short hostname with the DNS domain, forming an address like web01.example.com. Many services depend on a correctly configured hostname and FQDN to function properly: email servers use the FQDN in SMTP HELO greetings (incorrect values cause delivery rejections), […]
WordPress powers over 40% of all websites. Installing it on a LEMP stack (Nginx + MySQL + PHP-FPM) gives you superior performance compared to the traditional LAMP/Apache setup. This guide installs WordPress on Ubuntu 26.04 LTS with Nginx, PHP 8.4, and MySQL 9. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2026:1902 Related CVEs: CVE-2026-24049 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.3-r0 📖 ~4 min read • Source: Alpine secdb entry — maddy 0.9.3-r0 Related CVEs: CVE-2026-40193 CVE-2023-27582 Upstream summary: Alpine community repository for vedge ships maddy 0.9.3-r0 which addresses CVE-2026-40193. Table of contents Symptom & Impact […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.4.0-r0 📖 ~4 min read • Source: Alpine secdb entry — py3-ujson 5.4.0-r0 Related CVEs: CVE-2022-31116 CVE-2022-31117 CVE-2021-45958 CVE-2026-32874 CVE-2026-32875 Upstream summary: Alpine community repository for vedge ships py3-ujson 5.4.0-r0 which addresses CVE-2022-31116. Table of contents […]
🟠 High ⏱ 15–60 min Last verified: 11 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2006-7246 CVE-2009-0365 CVE-2011-2176 CVE-2012-2736 CVE-2015-0272 CVE-2015-2924 CVE-2016-0764 CVE-2018-1000135 +5 more Upstream summary: NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used. […]
🟢 Low ⏱ 5–15 min Last verified: 11 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-39796 CVE-2022-20011 Upstream summary: In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead […]
Introduction This tutorial demonstrates how to Set Up WireGuard VPN on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]
