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How to Configure PHP-FPM with Nginx on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure PHP-FPM with Nginx on FreeBSD 13

Introduction This guide explains how to Configure PHP-FPM 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 Use Skaffold for Kubernetes Development on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Skaffold for Kubernetes Development on RHEL 8

Skaffold is a command-line tool from Google that automates the build, push, and deploy cycle for Kubernetes applications, giving developers a hot-reload inner loop without writing bespoke shell scripts. On RHEL 8 with a local Kubernetes cluster such as k3s, Skaffold detects file changes, rebuilds the affected container image, and rolls out the updated deployment […]

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How to Secure Nginx with Let's Encrypt on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying secure nginx with let’s encrypt on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure Nginx with Let’s Encrypt on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

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How to Set Up FreeBSD Jails with iocage on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up FreeBSD Jails with iocage on FreeBSD 13

Introduction This guide explains how to Set Up FreeBSD Jails with iocage 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 […]

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How to Set Up a Certificate Authority with OpenSSL on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on RHEL 7

How to Set Up a Certificate Authority with OpenSSL on RHEL 7 A Private Certificate Authority (CA) is essential infrastructure for any organization that needs to issue and manage TLS certificates for internal services, VPNs, mutual TLS authentication, or code signing — without relying on commercial CAs or exposing internal hostnames to the public internet. […]

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How to Configure OPcache for PHP on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure OPcache for PHP on CentOS Stream 9

Introduction Setting up configure opcache for php on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure OPcache for PHP on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Deploy a Node.js App with PM2 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Deploy a Node.js App with PM2 on FreeBSD 13

Introduction Deploying deploy a node.js app with pm2 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 […]

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How to Configure Prometheus Alerting Rules on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Prometheus Alerting Rules on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Prometheus Alerting Rules on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the […]

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How to Deploy Applications in FreeBSD Jails on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Deploy Applications in FreeBSD Jails on FreeBSD 13

Introduction Deploying deploy applications in freebsd jails 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 […]

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

How to Install ClamAV Antivirus on RHEL 8

ClamAV is an open-source antivirus engine widely used on Linux servers to scan for malware in email attachments, uploaded files, and shared storage directories. Although Linux malware is less common than its Windows counterpart, RHEL 8 servers often act as intermediaries that receive and redistribute files to mixed-OS environments, making antivirus scanning an important layer […]

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