chris

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2021-1360)

🟠 High   ⏱ 15–60 min  Last verified: 15 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1360 Related CVEs: CVE-2021-24002 CVE-2021-23998 CVE-2021-23994 CVE-2021-23995 CVE-2021-23999 CVE-2021-29945 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Cloud SQL Proxy in GKE - A Complete Guide — step-by-step DevOps tutorial on Progressive Robot

Cloud SQL Proxy in GKE – A Complete Guide

Hello, readers! This article talks about Cloud SQL Proxy setup in GKE with a practical demonstration. If you’re looking for a managed Kubernetes hosting service, check out our simple, managed Kubernetes service built for growth. So, let us begin! 😊 Advantages of Cloud SQL Proxy With the applications moving to the paved way of modernization, […]

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How to Configure Network QoS with tc on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Network QoS with tc on RHEL 8

Quality of Service (QoS) with the Linux traffic control subsystem (tc) gives you precise control over bandwidth allocation, latency, and scheduling for network interfaces on RHEL 8. Using the Hierarchical Token Bucket (HTB) queuing discipline you can guarantee minimum bandwidth to critical services, cap bandwidth for bulk transfers, and prioritize interactive traffic over background workloads. […]

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

Oracle Linux 8 — GNOME security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4451)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4451 Related CVEs: CVE-2019-8846 CVE-2020-3897 CVE-2020-3900 CVE-2020-9895 CVE-2019-8813 CVE-2020-9806 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 118002

UFW Blocks Expected Service Traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 14 March 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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Common Problems 115636

firewalld Blocking Required Application Port – RHEL 7 Post 107

🟡 Medium   ⏱ 5–30 min  Last verified: 14 March 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 Static IP Address on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up a Static IP Address on SLES 12

Introduction This tutorial covers How to Set Up a Static IP Address on SLES 12 on SLES 12. SLES 12 (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 12 system is up to […]

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Common Problems 113415

Windows Server 2012 R2 — Split-brain DNS returns incorrect internal host records for hybrid workloads — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 March 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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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