Logging Monitoring

SLES 12 — gsl — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gsl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 September 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3527-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35357 Upstream summary: A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and […]

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Common Problems 112973

Windows Server 2016 — Windows Update (wuauserv) service start timeout — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 September 2020 Affected versions: Windows Server 2016 📖 ~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 Enable FIPS Mode on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Enable FIPS Mode on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to enable fips mode on ibm aix 7.1 on IBM […]

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Oracle Linux 8 — ELSA-2020-5620-1: postgresql:12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ELSA-2020-5620-1: postgresql:12 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5620-1 Related CVEs: CVE-2020-14350 CVE-2020-14349 CVE-2020-25694 CVE-2020-1720 CVE-2020-25696 CVE-2020-25695 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 10 — jetty9 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — jetty9 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 September 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10241 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 Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7 Running out of disk space is one of the most disruptive events in a production Linux environment — it can crash databases, halt web servers, and fill system logs with errors. Proactive disk usage monitoring is therefore a non-negotiable part of […]

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Common Problems 121013

Debian 10: Network outage from ifupdown and NetworkManager conflict

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2020 Affected versions: Debian 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 113544

Windows Server 2016 – Cluster-Aware Updating run fails and leaves mixed patch state – Fix & Prevention (FIX-PREVENTION-2)

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2020 Affected versions: Windows Server 2016 📖 ~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 112939

Windows Server 2016 – Storage Replica partnership unhealthy with growing log backlog – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2020 Affected versions: Windows Server 2016 📖 ~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 112458

Windows Server 2019 — .NET Cumulative Update Fails with 0x80070643 on Patch Night — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2020 Affected versions: Windows Server 2019 📖 ~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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