Linux

How to Migrate from CentOS Linux 8 to CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Migrate from CentOS Linux 8 to CentOS Stream 10

Introduction This tutorial demonstrates how to Migrate from CentOS Linux 8 to 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 127199

CentOS Stream 10 – Common Problem 249 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 18 December 2024 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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Common Problems 120121

Debian 12 – DKMS Module Build Fails After Kernel Update – Header Alignment

🟠 High   ⏱ 5–30 min  Last verified: 18 December 2024 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 & […]

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Common Problems 116629

Ubuntu 24.04 LTS APT NO_PUBKEY Repository Signing Key Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 18 December 2024 📖 ~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 […]

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How to Configure Nginx with PageSpeed Module on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Nginx with PageSpeed Module on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure Nginx with PageSpeed Module 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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Amazon Linux 2023 — kernel-livepatch-6.1.97-104.177 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.97-104.177 — 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 ALAS2023LIVEPATCH-2024-030 Related CVEs: CVE-2024-41090 CVE-2024-41091 Upstream summary: kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090) kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091) Table of contents […]

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Alpine Linux 3.20 — neatvnc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — neatvnc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.8.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — neatvnc 0.8.1-r0 Related CVEs: CVE-2024-42458 Upstream summary: Alpine community repository for vv3.20 ships neatvnc 0.8.1-r0 which addresses CVE-2024-42458. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.20 — iniparser — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — iniparser — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 4.1-r3 📖 ~4 min read  •  Source: Alpine secdb entry — iniparser 4.1-r3 Related CVEs: CVE-2023-33461 Upstream summary: Alpine main repository for vv3.20 ships iniparser 4.1-r3 which addresses CVE-2023-33461. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — perl-lwp-protocol-https — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — perl-lwp-protocol-https — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 6.11-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-lwp-protocol-https 6.11-r0 Related CVEs: CVE-2014-3230 Upstream summary: Alpine main repository for vv3.19 ships perl-lwp-protocol-https 6.11-r0 which addresses CVE-2014-3230. Table of contents Symptom & Impact Environment […]

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How to Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up NFS File Sharing on Ubuntu 24.04

NFS (Network File System) allows Linux servers to share directories over the network. Client machines mount NFS shares and access files as if they were local. This guide configures an NFS server and client on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Two Ubuntu 24.04 LTS servers (server and client) on […]

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