Logging Monitoring

Amazon Linux 2 — kernel-livepatch-4.14.186-146.268 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.186-146.268 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2020-026 Related CVEs: CVE-2020-12655 CVE-2020-14386 Upstream summary: An issue has been reported in the Linux kernel's handling of raw sockets. This issue can be used locally to cause denial of […]

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Debian 9 — openssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — openssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 July 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15473 CVE-2018-20685 CVE-2019-6111 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 121151

Debian 10 – PostgreSQL Fails Because WAL Partition Is Full – Immediate Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 30 June 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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How to Configure Ruby via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Ruby via AIX Toolbox 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 configure ruby via aix toolbox on ibm aix 7.1 […]

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How to Roll Back a Failed Update on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Roll Back a Failed Update on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to roll back a failed update on ibm aix 7.2 […]

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openSUSE Tumbleweed — shim — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — shim — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:1619-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3675 CVE-2014-3676 CVE-2014-3677 Upstream summary: Shim allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted DHCPv6 packet. Table of contents […]

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FreeBSD 12 — kubectl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kubectl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Kubectl — Potential directory traversal Related CVEs: CVE-2019-1002101 Upstream summary: Kubernetes.io reports: A security issue was discovered with the Kubernetes kubectl cp command that could enable a directory traversal replacing […]

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How to Configure System Center Operations Manager Agent on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure System Center Operations Manager Agent on Windows Server 2012 R2

How to Configure System Center Operations Manager Agent on Windows Server 2012 R2 System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring solution that provides comprehensive, agent-based monitoring of Windows servers, applications, network infrastructure, and services. The SCOM agent installed on each managed server collects performance data, event log entries, and application health information, forwarding […]

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

Debian 10 — sympa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-9369 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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Ubuntu 16.04 — tmpreaper — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — tmpreaper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 June 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4077-1 Related CVEs: CVE-2019-3461 Upstream summary: It was discovered that tmpreaper incorrectly handled certain mount operations. A local attacker could possibly use this issue to create arbitrary files, leading to […]

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