Linux

Common Problems 116585

Ubuntu 24.04 LTS – kubeadm init fails preflight due to swap enabled – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 January 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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How to Configure System Logging with rsyslog on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure System Logging with rsyslog on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure System Logging with rsyslog 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 […]

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Common Problems 116455

Ubuntu 24.04 LTS – root filesystem full causes apt and service failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 January 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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Alpine Linux 3.20 — py3-lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 4.9.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-lxml 4.9.2-r0 Related CVEs: CVE-2022-2309 CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 Upstream summary: Alpine main repository for vv3.20 ships py3-lxml 4.9.2-r0 which addresses CVE-2022-2309. Table of contents Symptom […]

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Alpine Linux 3.20 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 4.6.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libslirp 4.6.0-r0 Related CVEs: CVE-2021-3592 CVE-2021-3593 CVE-2021-3594 CVE-2021-3595 CVE-2020-29129 CVE-2020-29130 CVE-2020-10756 CVE-2020-1983 Upstream summary: Alpine community repository for vv3.20 ships libslirp 4.6.0-r0 which addresses CVE-2021-3592. […]

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How to Install Vagrant and VirtualBox on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Use Helm on Ubuntu 24.04

Helm is the package manager for Kubernetes. It uses Charts — collections of pre-configured Kubernetes resource files — to deploy applications consistently. This guide installs Helm on Ubuntu 24.04 LTS and demonstrates deploying a chart. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server kubectl configured to access a Kubernetes cluster A […]

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Debian 12 — node-prismjs — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-prismjs — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15138 CVE-2021-23341 CVE-2021-3801 CVE-2022-23647 CVE-2024-53382 Upstream summary: Prism is vulnerable to Cross-Site Scripting. The easing preview of the Previewers plugin has an XSS vulnerability that allows attackers to […]

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Alpine Linux 3.19 — libzip — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libzip — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libzip 1.3.0-r0 Related CVEs: CVE-2017-14107 Upstream summary: Alpine community repository for vv3.19 ships libzip 1.3.0-r0 which addresses CVE-2017-14107. Table of contents Symptom & Impact Environment […]

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Debian 11 — joblib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — joblib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-21797 CVE-2024-34997 Upstream summary: The package joblib from 0 and before 1.2.0 are vulnerable to Arbitrary Code Execution via the pre_dispatch flag in Parallel() class due to the […]

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