Networking

How to Configure VXLAN on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure VXLAN on Windows Server 2016

How to Set Up Windows Server 2016 VXLAN Virtual Extensible LAN (VXLAN) is a network virtualization technology that encapsulates Layer 2 Ethernet frames within UDP packets, allowing virtual networks to be extended across Layer 3 IP boundaries. VXLAN uses a 24-bit VXLAN Network Identifier (VNI) that supports up to 16 million unique virtual networks, far […]

Read more
Common Problems 114592

Package Verification Fails Due to Corrupted RPM Cache

🟡 Medium   ⏱ 5–30 min  Last verified: 20 April 2023 📖 ~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 […]

Read more
How to Set Up DHCP Server Authorisation on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DHCP Server Authorisation on Windows Server 2022

How to Configure SQL Server Performance Tuning on Windows Server 2022 SQL Server performance tuning on Windows Server 2022 is a disciplined process that involves identifying bottlenecks through Dynamic Management Views (DMVs), analyzing execution plans, configuring server-level settings, and maintaining indexes and statistics. This guide covers the most impactful performance tuning techniques for SQL Server […]

Read more
How to Implement Network Segmentation on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Implement Network Segmentation on Oracle Linux 9

Introduction Setting up implement network segmentation on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Implement Network Segmentation on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

Read more
How to Configure DHCP Policies on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure DHCP Policies on Windows Server 2022

How to Install MongoDB on Windows Server 2022 MongoDB is a leading NoSQL document database that stores data in flexible, JSON-like BSON documents. Installing MongoDB Community Server on Windows Server 2022 and configuring it properly for production involves several steps: running the MSI installer, configuring the mongod.cfg file, enabling authentication, creating administrative users, and establishing […]

Read more
Common Problems 117615

Ubuntu 20.04 LTS CIFS Mount Fails with Permission Denied

🟡 Medium   ⏱ 5–30 min  Last verified: 18 April 2023 📖 ~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 […]

Read more
Common Problems 111689

Windows Server 2022 — Storage Spaces Virtual Disk Shows Degraded with Missing Physical Disk — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 April 2023 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact A virtual disk enters degraded state after a disk dropout, causing reduced resiliency and slow I/O. […]

Read more
How to Schedule Tasks with Cron on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Schedule Tasks with Cron on Oracle Linux 9

Introduction Setting up schedule tasks with cron on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Schedule Tasks with Cron on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
How to Set Up Windows Server Backup on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server Backup on Windows Server 2022

Introduction to Windows Server Backup Windows Server Backup (WSB) is a built-in backup solution included with Windows Server 2022 at no additional cost. While it lacks some advanced features of third-party tools, it provides a reliable mechanism for protecting system state, critical volumes, bare metal recovery data, and individual files. Understanding how to install, configure, […]

Read more
How to Enable the EPEL Repository on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Enable the EPEL Repository on Oracle Linux 9

Introduction This tutorial demonstrates how to Enable the EPEL Repository on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the […]

Read more
CHAT