Logging Monitoring

Oracle Linux 8 — grafana-pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana-pcp — vulnerability — patch and remediation guide (ELSA-2026-1518)

🟠 High   ⏱ 15–60 min  Last verified: 21 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1518 Related CVEs: CVE-2025-61729 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Back Up MariaDB with mysqldump on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Back Up MariaDB with mysqldump on Debian 13

Introduction How to Back Up MariaDB with mysqldump 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 […]

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Gentoo Linux — sys-auth/pam_u2f — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-auth/pam_u2f — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202501-04 Related CVEs: CVE-2025-23013 CVE-2021-31924 Upstream summary: Multiple vulnerabilities have been discovered in Yubico pam-u2f. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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NetBSD 10.0 — openjdk7-bin — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — openjdk7-bin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged openjdk7-bin-[0-9]* for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 127062

CentOS Stream 10 – Common Problem 135 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 20 September 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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Common Problems 124187

Oracle Linux 10 tuned Profile Change Causes Latency Spikes

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 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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How to Use Bacula Backup on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Use Bacula Backup on Oracle Linux 10

Introduction How to Use Bacula Backup on Oracle Linux 10 on Oracle Linux 10 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 […]

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Common Problems 124162

Oracle Linux 10 – sshd login is delayed by reverse DNS lookups and firewalld zone mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 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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NetBSD 10.0 — boinc — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — boinc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-0126 Upstream summary: pkgsrc audit-packages flagged boinc-[0-9]* for vulnerability class 'ssl-cert-spoofing'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0126 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 114590

dnf-automatic Not Applying Scheduled Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 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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