Systemd Services

Common Problems 121614

Debian 9 – high CPU and disk I/O from systemd-journald

🟡 Medium   ⏱ 5–30 min  Last verified: 19 February 2021 Affected versions: Debian 9 📖 ~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 113571

Windows Server 2012 R2 — DFS Replication service backlog growth and stalls — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Common Problems 113531

Windows Server 2012 R2 — WAS dependency chain breaks application pools — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Install Telegraf on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Telegraf on Oracle Linux 8

Introduction This tutorial demonstrates how to Install Telegraf on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default AppStream […]

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How to Use IBM Security QRadar with AIX on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use IBM Security QRadar with AIX 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 use ibm security qradar with aix on ibm aix […]

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IBM AIX 7.2 — CVE-2020-4757 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4757 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 19 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4757, IBM Support Bulletin CVE: CVE-2020-4757 NVD summary: IBM FileNet Content Manager and IBM Content Navigator 3.0.CD is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2022-5316)

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5316 Related CVEs: CVE-2020-28915 CVE-2022-27666 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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Debian 10 — underscore — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — underscore — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-23358 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 Secure Apache with Let's Encrypt on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt on Oracle Linux 8

Introduction Setting up secure apache with let’s encrypt on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure Apache with Let’s Encrypt on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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Ubuntu 16.04 — maven — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — maven — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5245-1 Related CVEs: CVE-2021-26291 Upstream summary: It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model (pom) even if the repositories weren't encrypted […]

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