Backup Recovery

Common Problems 118124

Ubuntu 18.04 LTS – NFS mount hangs and causes boot timeout

🟠 High   ⏱ 5–30 min  Last verified: 2 January 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Common Problems 117449

Ubuntu 20.04 slow boot due to long systemd startup

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 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 Install Tekton Pipelines on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Tekton Pipelines on Oracle Linux 8

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

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How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2016

How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2016 The Volume Shadow Copy Service (VSS) is a Windows infrastructure component that coordinates the creation of consistent point-in-time snapshots of data, even while applications are actively writing to disk. VSS is the foundation for Windows Server Backup, Previous Versions, and most third-party backup […]

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Common Problems 119155

Ubuntu 14.04 LTS – LightDM login loop prevents desktop access

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Common Problems 113397

Windows Server 2012 R2 — winget install fails with package signature verification error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Common Problems 113092

Windows Server 2016 — Windows Firewall ruleset regression blocks east-west traffic after GPO refresh — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2021 Affected versions: Windows Server 2016 📖 ~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 Errors […]

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Common Problems 112574

Windows Server 2019 — AD orphaned object cleanup needed after failed domain controller removal — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2021 Affected versions: Windows Server 2019 📖 ~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 Errors […]

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How to Set Up a DevSecOps Pipeline on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a DevSecOps Pipeline on Oracle Linux 8

Introduction How to Set Up a DevSecOps Pipeline 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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How to Configure ZFS on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure ZFS on Debian 9

Introduction This guide explains how to Configure ZFS on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]

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