October 2020 - Page 65 of 69

Common Problems 119114

Ubuntu 14.04 LTS PAM Authentication Failures for Local Users

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 117913

Ubuntu 18.04 LTS DNS resolution fails intermittently with systemd-resolved

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 114394

DNF Metadata Download Fails on RHEL 9 (RHEL-9-2)

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 112970

Windows Server 2016 — Boot fails after pending updates remain in servicing state — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 May 2026 Affected versions: Windows Server 2016 📖 ~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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How to Set Up Oracle Linux 8 with KVM Virtualization — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 with KVM Virtualization

Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 with KVM Virtualization on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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How to Use Puppet Agent on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use Puppet Agent on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use puppet agent on ibm aix 7.2 on IBM […]

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Webinar Series: Kubernetes Package Management with Helm and CI/CD with Jenkins X — step-by-step Kubernetes tutorial on Progressive Robot

Webinar Series: Kubernetes Package Management with Helm and CI/CD with Jenkins X

In this second article of the CI/CD with Kubernetes series, you will preview two Kubernetes-specific tools that have been developed to manage cloud native CI/CD: the Helm package manager and the Jenkins X pipeline automation tool. In order to effectively reduce error and organize complexity in application deployment, CI/CD systems must include robust tooling for package management/deployment and the creation of a development pipeline with automated testing.

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Entendendo os tipos de dados em Go — step-by-step Programming tutorial on Progressive Robot

Entendendo os tipos de dados em Go

Os tipos de dados especificam os tipos de valores que variáveis específicas armazenarão quando estiver escrevendo um programa. O tipo de dados também determina quais operações podem ser realizadas nos dados. Neste artigo, vamos ver os tipos de dados importantes nativos para…

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

Oracle Linux 8 — unzip — vulnerability — patch and remediation guide (ELSA-2020-1787)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1787 Related CVEs: CVE-2019-13232 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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