web server

How to Enable HTTP/2 with Nginx on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Enable HTTP/2 with Nginx on RHEL 8

HTTP/2 delivers significant performance improvements over HTTP/1.1 through features such as header compression, request multiplexing, and server push — all over a single TCP connection. Nginx has supported HTTP/2 since version 1.9.5, and on RHEL 8 the AppStream version of Nginx is compiled with the necessary OpenSSL support to enable it. Because browsers only implement […]

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How to Install Apache HTTP Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Apache HTTP Server on RHEL 7

How to Install Apache HTTP Server on RHEL 7 Apache HTTP Server is one of the most widely deployed web servers in the world, powering millions of websites and applications. On Red Hat Enterprise Linux 7, Apache (referred to in the package system as httpd) is available directly from the default RHEL repositories, making installation […]

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How to Configure Apache with mod_security on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Apache with mod_security on SLES 15

Introduction This tutorial covers How to Configure Apache with mod_security on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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How to Monitor Nginx Access Logs with GoAccess on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Monitor Nginx Access Logs with GoAccess on RHEL 7

Nginx access logs contain a wealth of information about who is visiting your site, which URLs are being requested, what errors users encounter, and where your traffic originates. Raw log files are difficult to interpret at a glance, but GoAccess transforms them into actionable, visually rich reports in seconds — either in the terminal for […]

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Common Problems 112925

Windows Server 2016 – NTLM fallback when Kerberos should be used – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 July 2019 Affected versions: Windows Server 2016 📖 ~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 and Use Podman Pods on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Podman Pods on RHEL 8

Podman pods allow you to run multiple containers that share the same network namespace, mirroring the Kubernetes pod model without requiring a container orchestrator. On RHEL 8, Podman is available in the default AppStream repositories and provides native rootless pod support out of the box. This tutorial covers creating and managing pods, running multi-container workloads […]

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How to Deploy a Ruby on Rails Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Ruby on Rails Application on RHEL 7

How to Deploy a Ruby on Rails Application on RHEL 7 Ruby on Rails is a full-featured web application framework that follows the Model-View-Controller (MVC) pattern and emphasizes convention over configuration. Deploying a Rails application on RHEL 7 in a production-grade configuration requires several components working together: Rails itself running under Puma (a multi-threaded Ruby […]

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How to Configure Nginx as a Reverse Proxy on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on SLES 15

Introduction This tutorial covers How to Configure Nginx as a Reverse Proxy on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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Common Problems 112921

Windows Server 2016 — WSUS Scan Returns 0x8024401c Timeout During Patch Cycle — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 June 2019 Affected versions: Windows Server 2016 📖 ~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 and Configure Caddy Web Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Caddy Web Server on RHEL 7

How to Install and Configure Caddy Web Server on RHEL 7 Caddy is a modern, open-source web server written in Go that sets itself apart from traditional servers like Apache and Nginx through its automatic HTTPS provisioning, minimal configuration syntax, and zero-dependency binary distribution. On RHEL 7, where the standard repositories do not include Caddy, […]

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