Security Hardening

How to Monitor Kubernetes with Prometheus on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Monitor Kubernetes with Prometheus on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying monitor kubernetes with prometheus on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor Kubernetes with Prometheus on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Debian 13 — rust-http — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-http — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-25009 CVE-2020-25574 Upstream summary: An issue was discovered in the http crate before 0.1.20 for Rust. The HeaderMap::Drain API can use a raw pointer, defeating soundness. Table of […]

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Debian 13 — python-dbusmock — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-dbusmock — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1326 Upstream summary: python-dbusmock before version 0.15.1 AddTemplate() D-Bus method call or DBusTestCase.spawn_server_template() method could be tricked into executing malicious code if an attacker supplies a .pyc file. Table […]

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AlmaLinux 8 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — varnish — multiple vulnerabilities (5 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-2025:8336 Related CVEs: CVE-2025-47905 CVE-2024-30156 CVE-2023-44487 CVE-2022-45060 CVE-2022-23959 Upstream summary: Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same […]

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Common Problems 119595

Debian 13 Chrony Not Syncing Time With NTP Servers

🟠 High   ⏱ 5–30 min  Last verified: 10 October 2025 Affected versions: Debian 13 📖 ~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 11 — monero — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — monero — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 October 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-26819 Upstream summary: Monero through 0.18.3.4 before ec74ff4 does not have response limits on HTTP server connections. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 116495

Ubuntu 24.04 LTS – initramfs update fails during kernel upgrade – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 October 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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Rocky Linux 8 — binutils — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — binutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:23382 Related CVEs: CVE-2025-11083 Upstream summary: The binutils packages provide a collection of binary utilities for the manipulation of object code in various object file formats. It includes the ar, […]

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Debian 13 — cluster-glue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cluster-glue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2496 Upstream summary: stonith-ng in pacemaker and cluster-glue passed passwords as commandline parameters, making it possible for local attackers to gain access to passwords of the HA stack […]

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Common Problems 114608

LVM Filesystem Full Despite Available Free Space In VG

🟡 Medium   ⏱ 5–30 min  Last verified: 10 October 2025 📖 ~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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