Linux

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12070)

🟠 High   ⏱ 15–60 min  Last verified: 16 November 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12070 Related CVEs: CVE-2023-21843 CVE-2023-21830 CVE-2022-43548 CVE-2023-21835 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Common Problems 120005

Debian 12 DNS Resolution Fails Intermittently

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2023 Affected versions: Debian 12 📖 ~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 & […]

Read more
Alpine Linux 3.18 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 99.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — firefox 99.0-r0 Related CVEs: CVE-2022-1097 CVE-2022-24713 CVE-2022-28281 CVE-2022-28282 CVE-2022-28283 CVE-2022-28284 CVE-2022-28285 CVE-2022-28286  +12 more Upstream summary: Alpine community repository for vv3.18 ships firefox 99.0-r0 which […]

Read more
How to Install and Configure k3s Lightweight Kubernetes on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure k3s Lightweight Kubernetes on Debian 12

Introduction Deploying install and configure k3s lightweight kubernetes on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

Read more
Common Problems 124468

Oracle Linux 9 – Common Problem 001 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 15 November 2023 Affected versions: Oracle Linux 9 📖 ~2 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 […]

Read more
How to Configure CentOS Stream 9 for Edge Computing — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure CentOS Stream 9 for Edge Computing

Introduction How to Configure CentOS Stream 9 for Edge Computing on CentOS Stream 9 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 configuration is […]

Read more
Common Problems 119982

Debian 12 – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 15 November 2023 Affected versions: Debian 12 📖 ~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 & […]

Read more
Common Problems 117464

Ubuntu 20.04 LTS GRUB Installation Failed During Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 15 November 2023 📖 ~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 & Cross-Refs References & Further […]

Read more
Amazon Linux 2023 — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-355 Related CVEs: CVE-2023-4863 CVE-2023-1999 Upstream summary: Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write […]

Read more
Debian 12 — imlib2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — imlib2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0802 CVE-2004-1026 CVE-2006-4806 CVE-2006-4807 CVE-2006-4808 CVE-2006-4809 CVE-2008-2426 CVE-2008-5187  +12 more Upstream summary: Buffer overflow in the BMP loader in imlib2 before 1.1.2 allows remote attackers to execute arbitrary […]

Read more
CHAT