Logging Monitoring

Common Problems 124130

Oracle Linux 10 – grub kernel parameter change not applied after update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 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 — ghoscript — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ghoscript — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-5653 Upstream summary: pkgsrc audit-packages flagged ghoscript<9.20 for vulnerability class 'information-disclosure'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-5653 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 124051

Oracle Linux 10 – New kernel installed but old kernel still boots by default – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 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 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libde265 — multiple vulnerabilities (20 CVEs) — 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-2020-21606 CVE-2020-21602 CVE-2020-21604 CVE-2020-21603 CVE-2020-21601 CVE-2020-21600 CVE-2020-21597 CVE-2020-21599  +12 more Upstream summary: pkgsrc audit-packages flagged libde265<1.0.10 for vulnerability class 'buffer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-21606 Table of contents Symptom & Impact Environment […]

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How to Add a Sudo User on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Add a Sudo User on CentOS Stream 10

Introduction Setting up add a sudo user on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Add a Sudo User on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 123999

Oracle Linux 10 – SELinux AVC denials break NGINX reverse proxy after policy update

🟠 High   ⏱ 5–30 min  Last verified: 10 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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Common Problems 117588

Ubuntu 20.04 LTS – disk usage spikes from oversized systemd journal logs

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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NetBSD 10.0 — apache-1.3.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — apache — 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 apache 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 116930

Ubuntu 22.04 LTS systemd Service Fails with Start Request Repeated Too Quickly

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 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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NetBSD 10.0 — squirrelmail-1.2.[0-3] — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — squirrelmail — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 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 squirrelmail for vulnerability class 'remote-code-execution'. Reference: http://www.securityfocus.com/bid/3952 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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