Backup Recovery

How to Configure Hyper-V Checkpoints on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Hyper-V Checkpoints on Windows Server 2012 R2

How to Configure Hyper-V Checkpoints on Windows Server 2012 R2 Hyper-V checkpoints (formerly called snapshots) capture the state of a virtual machine at a specific point in time, allowing you to roll back to that state if a subsequent change causes problems. Windows Server 2012 R2 supports two types of checkpoints: Standard Checkpoints (which capture […]

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How to Install GCC and Build Essential Tools on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install GCC and Build Essential Tools on Debian 10

Introduction Deploying install gcc and build essential tools on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

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Common Problems 121544

Debian 9 – systemd service remains in activating state after reboot

🟠 High   ⏱ 5–30 min  Last verified: 17 April 2020 Affected versions: Debian 9 📖 ~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 Install Fluentd on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Fluentd on FreeBSD 12

Introduction This guide explains how to Install Fluentd on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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Common Problems 121202

Debian 10 – rsync backup job fails on permissions, ACLs, or xattrs

🟠 High   ⏱ 5–30 min  Last verified: 17 April 2020 Affected versions: Debian 10 📖 ~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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Common Problems 118556

Ubuntu 16.04 LTS – systemd service fails to start at boot

🟠 High   ⏱ 5–30 min  Last verified: 17 April 2020 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 118119

Ubuntu 18.04 LTS Systemd Service Fails with Start Limit Hit

🟡 Medium   ⏱ 5–30 min  Last verified: 17 April 2020 Affected versions: 18.04 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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How to Install Docker Engine on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Docker Engine on FreeBSD 12

Introduction This guide explains how to Install Docker Engine on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Common Problems 112447

Windows Server 2019 – NVMe stornvme timeout storms trigger disk failover – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 April 2020 Affected versions: Windows Server 2019 📖 ~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 Concourse CI on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Concourse CI on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up concourse ci on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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