Troubleshooting

How to Configure Kubernetes Ingress Controller on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Kubernetes Ingress Controller on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure kubernetes ingress controller on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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Oracle Linux 8 — .NET Core 3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core 3.1 security and bugfix update (ELSA-2020-3699)

🟠 High   ⏱ 15–60 min  Last verified: 18 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3699 Related CVEs: CVE-2020-1045 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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Common Problems 119086

Ubuntu 14.04 LTS – kernel panic occurs during reboot sequence – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 October 2020 Affected versions: Ubuntu 14.04 LTS 📖 ~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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IBM AIX 7.2 — CVE-2020-4578 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4578 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 18 October 2020 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4578, IBM Support Bulletin CVE: CVE-2020-4578 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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How to Configure IIS Deployment with Web Deploy (MSDeploy) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure IIS Deployment with Web Deploy (MSDeploy) on Windows Server 2012 R2

How to Configure IIS Deployment with Web Deploy (MSDeploy) on Windows Server 2012 R2 Web Deploy (MSDeploy) is Microsoft’s tool for packaging, deploying, and synchronizing IIS web applications, their content, configuration, and associated components between servers. It is the standard mechanism used by Visual Studio’s “Publish” feature, Azure DevOps pipelines, and Octopus Deploy to push […]

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How to Use Skopeo for Container Images on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Use Skopeo for Container Images on SLES 12

Introduction This tutorial covers How to Use Skopeo for Container Images 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 date: […]

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Debian 10 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — brotli — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8927 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 Set Up Minikube on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Minikube on Oracle Linux 8

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

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Debian 10 — python-reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-reportlab — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17626 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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