Systemd Services

Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update (ELSA-2022-7012)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7012 Related CVEs: CVE-2022-39399 CVE-2022-21624 CVE-2022-21626 CVE-2022-21618 CVE-2022-21619 CVE-2022-21628 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 118124

Ubuntu 18.04 LTS – NFS mount hangs and causes boot timeout

🟠 High   ⏱ 5–30 min  Last verified: 2 January 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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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Common Problems 117449

Ubuntu 20.04 slow boot due to long systemd startup

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2021 📖 ~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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How to Install Tekton Pipelines on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Tekton Pipelines on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install tekton pipelines on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Tekton Pipelines on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Use iptrace for Network Tracing on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use iptrace for Network Tracing 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 use iptrace for network tracing on ibm aix 7.1 […]

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Oracle Linux 8 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pcs — vulnerability — patch and remediation guide (ELSA-2020-5724)

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5724 Related CVEs: CVE-2020-10663 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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Oracle Linux 8 — virt:kvm_utils3 — bug fix update — issues resolved — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:kvm_utils3 — bug fix update — issues resolved (ELSA-2024-12536)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12536 Related CVEs: CVE-2024-1441 CVE-2024-3447 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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How to Configure Tripwire on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Tripwire 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 tripwire on ibm aix 7.1 on IBM AIX […]

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Alpine Linux edge — raptor2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — raptor2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.15-r3 📖 ~4 min read  •  Source: Alpine secdb entry — raptor2 2.0.15-r3 Related CVEs: CVE-2020-25713 CVE-2017-18926 Upstream summary: Alpine community repository for vedge ships raptor2 2.0.15-r3 which addresses CVE-2020-25713. Table of contents Symptom & Impact […]

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How to Set Up a DevSecOps Pipeline on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a DevSecOps Pipeline on Oracle Linux 8

Introduction How to Set Up a DevSecOps Pipeline on Oracle Linux 8 on Oracle Linux 8 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 […]

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