Backup Recovery

Common Problems 112542

Windows Server 2019 – RunAs fails with logon type 2 not granted – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 May 2021 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 Install Memcached on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Memcached on Oracle Linux 8

Introduction How to Install Memcached 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 configuration is reproducible […]

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Common Problems 112486

Windows Server 2019 — BITS service stuck queueing transfers after WSUS sync — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 May 2021 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 Use Prometheus Blackbox Exporter on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Use Prometheus Blackbox Exporter on FreeBSD 12

Introduction How to Use Prometheus Blackbox Exporter on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Configure Docker Resource Limits on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker Resource Limits on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure docker resource limits 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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How to Configure Drone CI on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Drone CI on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Drone CI on Oracle Linux 8 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 default […]

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Common Problems 118554

Ubuntu 16.04 LTS MySQL service fails after abrupt disk full event

🔴 Critical   ⏱ 5–30 min  Last verified: 3 May 2021 Affected versions: 16.04 📖 ~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 […]

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Common Problems 117609

Ubuntu 20.04 Software Center not opening

🟡 Medium   ⏱ 5–30 min  Last verified: 3 May 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 Deploy a CakePHP Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a CakePHP Application on Oracle Linux 8

Introduction Setting up deploy a cakephp application on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Deploy a CakePHP Application on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 125124

Oracle Linux 8 – Common Problem 016 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 1 May 2021 Affected versions: Oracle Linux 8 📖 ~3 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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