Kernel Drivers

How to Install ArgoCD GitOps Tool on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install ArgoCD GitOps Tool on Debian 12

Introduction Deploying install argocd gitops tool on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12116)

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12116 Related CVEs: CVE-2023-0179 CVE-2022-4139 CVE-2022-45869 CVE-2022-3545 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Install Nomad Workload Orchestrator on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Nomad Workload Orchestrator on Debian 12

Introduction Deploying install nomad workload orchestrator on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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Common Problems 124677

Oracle Linux 9 – Common Problem 022 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~3 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 Audit Logging on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Audit Logging on Oracle Linux 9

Introduction How to Configure Audit Logging on Oracle Linux 9 on Oracle Linux 9 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 configuration is […]

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Common Problems 118411

Ubuntu 16.04 Network Interface Missing After Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2023 📖 ~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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Common Problems 114482

RHEL 9 LVM Volume Not Expanding After Disk Growth

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2023 📖 ~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 Configure Failover Clustering on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Failover Clustering on Windows Server 2022

How to Configure Failover Clustering on Windows Server 2022 Windows Server Failover Clustering (WSFC) provides high availability for server roles and applications by grouping multiple servers (nodes) into a cluster. If one node fails, the cluster automatically moves the workload (a clustered role) to another healthy node — a process called failover. Windows Server 2022 […]

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Common Problems 120106

Debian 12 Daemon Memory Leak Leading to OOM Kills

🔴 Critical   ⏱ 5–30 min  Last verified: 29 July 2023 Affected versions: Debian 12 📖 ~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 124617

Oracle Linux 9 – Common Problem 016 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 28 July 2023 Affected versions: Oracle Linux 9 📖 ~3 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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