Linux

How to Set Up Varnish Cache on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Varnish Cache on CentOS Stream 10

Introduction This tutorial demonstrates how to Set Up Varnish Cache on CentOS Stream 10 on CentOS Stream 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 CentOS Stream 10 system with the […]

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Common Problems 127033

CentOS Stream 10 – Common Problem 182 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 1 March 2025 Affected versions: CentOS Stream 10 📖 ~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 […]

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How to Set Up a Network Bridge on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up a Network Bridge on CentOS Stream 10

Introduction How to Set Up a Network Bridge on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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How to Set Up Snort IDS on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Snort IDS on CentOS Stream 10

Introduction Setting up set up snort ids on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Snort IDS on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 116515

Ubuntu 24.04 LTS – GNOME login loop on Wayland or Xorg – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 March 2025 Affected versions: Ubuntu 24.04 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 […]

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AlmaLinux 8 — apache-commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — apache-commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 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 […]

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Debian 12 — node-formidable — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-formidable — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29622 CVE-2025-46653 Upstream summary: An arbitrary file upload vulnerability in formidable v3.1.4 allows attackers to execute arbitrary code via a crafted filename. NOTE: some third parties dispute this […]

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Oracle Linux 9 — libxslt — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libxslt — vulnerability — patch and remediation guide (ELSA-2025-3107)

🟠 High   ⏱ 15–60 min  Last verified: 1 March 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-3107 Related CVEs: CVE-2025-24855 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Alpine Linux 3.20 — py3-idna — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-idna — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-idna 3.7-r0 Related CVEs: CVE-2024-3651 Upstream summary: Alpine main repository for vv3.20 ships py3-idna 3.7-r0 which addresses CVE-2024-3651. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — npm20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — npm20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1301-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-27983 CVE-2024-21890 CVE-2024-21891 CVE-2024-21892 CVE-2024-21896 CVE-2024-22017 CVE-2024-22019 CVE-2023-39331  +12 more Upstream summary: An attacker can make the Node.js HTTP/2 server completely unavailable by sending a […]

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