Logging Monitoring

Common Problems 124005

Oracle Linux 10 – journalctl shows repeated kernel I-O errors on XFS – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 25 August 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 Deploy a Ruby on Rails App on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Deploy a Ruby on Rails App on Oracle Linux 10

Introduction How to Deploy a Ruby on Rails App 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 […]

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Common Problems 124004

Oracle Linux 10 – chronyd not synchronizing system time with NTP sources – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 August 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 — serf — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — serf — 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-2014-3504 Upstream summary: pkgsrc audit-packages flagged serf<1.3.7 for vulnerability class 'man-in-the-middle-attack'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3504 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

Debian 13 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31212 CVE-2022-31213 Upstream summary: An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer […]

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How to Run Ansible Playbooks Against RHEL 10 Hosts — step-by-step RHEL 10 tutorial on Progressive Robot

How to Run Ansible Playbooks Against RHEL 10 Hosts

Introduction How to Run Ansible Playbooks Against RHEL 10 Hosts on RHEL 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 reproducible […]

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Debian 13 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4235 CVE-2022-3064 Upstream summary: Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this […]

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NetBSD 10.0 — sccache — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — sccache — 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 sccache-[0-9]* for vulnerability class 'unknown'. Reference: https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 10.0 — py-celery — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-celery — 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-2021-23727 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310}-celery<5.2.2 for vulnerability class 'command-injection'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-23727 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 13 — lemonldap-ng — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lemonldap-ng — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6426 CVE-2019-12046 CVE-2019-13031 CVE-2019-15941 CVE-2019-19791 CVE-2020-16093 CVE-2020-24660 CVE-2021-35472  +12 more Upstream summary: LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote […]

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