Linux

How to Install PHP 8.3 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install PHP 8.3 on Debian 13

Introduction How to Install PHP 8.3 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

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Amazon Linux 2 — aws-kinesis-agent — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — aws-kinesis-agent — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1730 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2022-42004 CVE-2025-49128 CVE-2021-44832 CVE-2021-45105 Upstream summary: Amazon Kinesis Agent versions within Amazon Linux 2 (AL2) prior to aws-kinesis-agent-2.0.4-1 included a version of Apache Log4j affected […]

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How To Install MySQL on Rocky Linux 9 — step-by-step Linux tutorial on Progressive Robot

How To Install MySQL on Rocky Linux 9

MySQL is an open-source database management system, commonly installed as part of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It implements the relational model and uses SQL (Structured Query Language) to manage its data. This tutorial will explain how to install MySQL on a Rocky Linux 9 server.

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Common Problems 127178

CentOS Stream 10 – Common Problem 172 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 3 October 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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AlmaLinux 9 — libtpms — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libtpms — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:12100 Related CVEs: CVE-2025-49133 CVE-2023-1017 CVE-2023-1018 Upstream summary: The libtpms is a library providing Trusted Platform Module (TPM) functionality for virtual machines. Security Fix(es): * libtpms: Libtpms Out-of-Bounds Read Vulnerability (CVE-2025-49133) For […]

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Common Problems 113921

RHEL 10 – NetworkManager service not starting after config drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 October 2025 Affected versions: RHEL 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 124148

Oracle Linux 10 – logrotate fails on custom app logs with permission errors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 3 October 2025 Affected versions: Oracle Linux 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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Amazon Linux 2023 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libblockdev — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-1020 Related CVEs: CVE-2025-6019 Upstream summary: LPE from allow_active to root in libblockdev via udisks (CVE-2025-6019) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Common Problems 124013

Oracle Linux 10 – firewalld default zone blocks application port access – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 October 2025 Affected versions: Oracle Linux 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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Debian 13 — xymon — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xymon — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1716 CVE-2013-4173 CVE-2015-1430 CVE-2016-2054 CVE-2016-2055 CVE-2016-2056 CVE-2016-2057 CVE-2016-2058  +8 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the Web UI in Xymon before 4.3.1 allow remote attackers […]

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