Networking

How to Set Up Unbound DNS Resolver on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Unbound DNS Resolver on Debian 9

Introduction This guide explains how to Set Up Unbound DNS Resolver 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 […]

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How to Install and Configure Samba File Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Samba File Server on Debian 9

Introduction This guide explains how to Install and Configure Samba File Server 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 […]

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

How to Configure a DNS Server on Windows Server 2016

How to Configure DNS Server on Windows Server 2016 The DNS Server role on Windows Server 2016 resolves hostnames to IP addresses, enabling network resources to be located by name rather than by number. DNS is a fundamental requirement for Active Directory to function, and it is also used for general network name resolution. This […]

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Common Problems 112407

Windows Server 2019 – Storport miniport resets under heavy I/O – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 January 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 Configure TLS/SSL in IIS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure TLS/SSL in IIS on Windows Server 2012 R2

How to Configure TLS/SSL in IIS on Windows Server 2012 R2 Properly configuring TLS/SSL in Internet Information Services (IIS) on Windows Server 2012 R2 is essential for protecting data in transit for web applications, APIs, and services. The default IIS configuration on Server 2012 R2 supports SSL 2.0, SSL 3.0, and TLS 1.0 — all […]

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

How to Configure Failover Clustering on Windows Server 2016 (WINDOWS-SERVER-2016)

How to Set Up Windows Server 2016 Failover Clustering Failover Clustering in Windows Server 2016 provides high availability for critical services and applications by allowing multiple servers to work together as a group. If one node fails, another node automatically takes over its workloads, minimizing downtime. This guide walks you through the process of installing […]

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How to Install Laravel with Nginx on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Laravel with Nginx on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install laravel with nginx on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Set Up Multi-Site Active Directory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Multi-Site Active Directory on Windows Server 2012 R2

How to Set Up Multi-Site Active Directory on Windows Server 2012 R2 A multi-site Active Directory deployment distributes Domain Controllers across geographically separated locations, providing local authentication, policy application, and directory services to users at each site without relying on WAN connectivity for every AD operation. Properly designed AD sites and services configuration is essential […]

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How to Install and Configure Envoy Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 8

Envoy Proxy is a high-performance, cloud-native Layer 7 proxy originally built at Lyft and now a CNCF graduated project. Unlike Nginx or HAProxy, Envoy is designed with dynamic configuration via xDS APIs and deep observability baked in, making it the proxy of choice for service meshes such as Istio. On RHEL 8 you can run […]

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Common Problems 118971

Ubuntu 14.04 LTS DNS resolution fails while IP ping works

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2020 Affected versions: 14.04 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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