Kernel Drivers

How to Configure Oracle Linux 8 in Google Cloud — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Oracle Linux 8 in Google Cloud

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure oracle linux 8 in google cloud both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Oracle Linux 8 in Google Cloud, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-1959)

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1959 Related CVEs: CVE-2018-20784 CVE-2019-11810 CVE-2019-11811 CVE-2019-11085 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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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-2020-1372)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1372 Related CVEs: CVE-2019-18660 CVE-2019-15030 CVE-2019-15031 CVE-2019-19527 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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Common Problems 118973

Ubuntu 14.04 LTS kernel panic not syncing at startup

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 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 Tune Kernel Parameters with sysctl on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on Oracle Linux 8

Introduction Setting up tune kernel parameters with sysctl 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 Tune Kernel Parameters with sysctl on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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How to Configure System Center Operations Manager (SCOM) Agent on Windows Server 2012 R2 — Windows Server 2012 R2 tutorial on Progressive Robot

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

How to Configure System Center Operations Manager (SCOM) Agent on Windows Server 2012 R2 System Center Operations Manager (SCOM) 2012 R2 provides enterprise-grade monitoring for Windows Server 2012 R2 environments. The SCOM agent, installed on each managed server, collects health state data, performance counters, event log entries, and application-specific metrics, then transmits them to the […]

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How to Configure Kernel Parameters with sysctl on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Kernel Parameters with sysctl on SLES 15

Introduction This tutorial covers How to Configure Kernel Parameters with sysctl on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]

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How to Set Up Log Rotation on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Log Rotation on Oracle Linux 8

Introduction How to Set Up Log Rotation 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 configuration […]

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Common Problems 118997

AppArmor Denies Service Access on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 23 April 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 Set Up a LAMP Stack on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a LAMP Stack on Oracle Linux 8

Introduction How to Set Up a LAMP Stack 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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