Logging Monitoring

Oracle Linux 9 — ruby security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ruby security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6585)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6585 Related CVEs: CVE-2022-28739 CVE-2022-28738 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
AlmaLinux 9 — zlib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — zlib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7314 Related CVEs: CVE-2022-37434 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: a heap-based buffer over-read or […]

Read more
Common Problems 120165

Debian 12 TLS Handshake Failures to Repository or API Endpoints

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2023 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 & […]

Read more
Common Problems 119118

Cron Jobs Not Running Under Expected User on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 4 October 2023 📖 ~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 […]

Read more
How to Configure LVM on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure LVM on CentOS Stream 9

Introduction How to Configure LVM on CentOS Stream 9 on CentOS Stream 9 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 reproducible […]

Read more
NetBSD 9.4 — py27-mercurial — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py27-mercurial — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-13347 CVE-2018-17983 CVE-2019-3902 CVE-2018-13346 CVE-2018-13348 Upstream summary: pkgsrc audit-packages flagged py27-mercurial<4.6.1 for vulnerability class 'integer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-13347 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
Common Problems 114423

RHEL 9 SELinux denies web application file access

🟡 Medium   ⏱ 5–30 min  Last verified: 4 October 2023 📖 ~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 […]

Read more
NetBSD 9.4 — p5-Parallel-ForkManager — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Parallel-ForkManager — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-4115 Upstream summary: pkgsrc audit-packages flagged p5-Parallel-ForkManager<1.0.0 for vulnerability class 'insecure-temp-files'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2011-4115 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

Read more
Debian 12 — sox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0557 CVE-2014-8145 CVE-2017-11332 CVE-2017-11358 CVE-2017-11359 CVE-2017-15370 CVE-2017-15371 CVE-2017-15372  +12 more Upstream summary: Multiple buffer overflows in the st_wavstartread function in wav.c for Sound eXchange (SoX) 12.17.2 through 12.17.4 […]

Read more
How to Set Up Oracle Linux 9 with Podman in Rootless Mode — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Oracle Linux 9 with Podman in Rootless Mode

Introduction How to Set Up Oracle Linux 9 with Podman in Rootless Mode on Oracle Linux 9 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 […]

Read more
CHAT