web server

How to Enable HTTP/2 in Nginx on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Enable HTTP/2 in Nginx on SLES 12

Introduction This tutorial covers How to Enable HTTP/2 in Nginx on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper […]

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How to Install Podman as a Rootless Docker Alternative on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Podman as a Rootless Docker Alternative on RHEL 8

Podman is Red Hat’s daemonless container engine and has been the default container tool on RHEL 8 since its initial release. Unlike Docker, Podman does not rely on a long-running root daemon — each container runs as a direct child process of the user who started it. This means regular users can run containers without […]

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How to Install Laravel with Nginx on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Laravel with Nginx on FreeBSD 13

Introduction This guide explains how to Install Laravel with Nginx on FreeBSD 13 on FreeBSD 13. 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 […]

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How to Configure Nginx WebSocket Proxying on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on RHEL 7

How to Configure Nginx WebSocket Proxying on RHEL 7 WebSockets provide a full-duplex communication channel over a single TCP connection, enabling real-time features such as live chat, push notifications, collaborative editing, and live dashboards. Unlike traditional HTTP requests, a WebSocket connection is established through an HTTP upgrade handshake and then kept open indefinitely. Nginx can […]

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How to Configure Network Load Balancing (NLB) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Network Load Balancing (NLB) on Windows Server 2016

How to Configure Network Load Balancing (NLB) on Windows Server 2016 Network Load Balancing (NLB) is a Windows Server feature that distributes incoming TCP/IP network traffic across multiple servers, improving availability and scalability of services such as web servers, terminal services, and VPN gateways. NLB works at Layer 4 (transport layer) and does not require […]

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How to Configure Nginx Rate Limiting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on FreeBSD 13

Introduction Deploying configure nginx rate limiting on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Install Netdata on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Netdata on RHEL 8

Netdata is a lightweight, real-time performance monitoring agent that collects thousands of system and application metrics with per-second granularity and displays them through a built-in, zero-configuration web dashboard. Unlike heavier stacks, Netdata starts delivering useful insights within minutes of installation and requires virtually no ongoing maintenance. It can also stream metrics to a central parent […]

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How to Install and Use Podman with systemd Socket Activation on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Podman with systemd Socket Activation on RHEL 8

Podman is RHEL 8’s native container runtime and ships as a first-class package, offering full Docker CLI compatibility without requiring a background daemon running as root. One of its most powerful features on RHEL 8 is socket activation: systemd opens the Podman socket on demand, meaning the container engine only consumes resources when something actually […]

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How to Configure Kerberos Authentication on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Kerberos Authentication on RHEL 7

How to Configure Kerberos Authentication on RHEL 7 Kerberos is a network authentication protocol that uses symmetric-key cryptography to allow clients and servers to prove their identity to each other securely without transmitting passwords over the network. It is the backbone of authentication in Active Directory environments and is natively supported across Linux through MIT […]

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How to Monitor Nginx with Prometheus on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Monitor Nginx with Prometheus on FreeBSD 13

Introduction This guide explains how to Monitor Nginx with Prometheus on FreeBSD 13 on FreeBSD 13. 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 […]

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