Troubleshooting

How to Use Capsicum Sandboxing on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Use Capsicum Sandboxing on FreeBSD 13

Introduction This guide explains how to Use Capsicum Sandboxing 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 privilege […]

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How to Install and Configure Kubernetes (k3s) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Install and Configure Kubernetes (k3s) on Windows Server 2025

How to Install and Configure Kubernetes (k3s) on Windows Server 2025 Running Kubernetes workloads that include Windows containers requires a hybrid cluster — Linux nodes handle the Kubernetes control plane and Linux workloads, while Windows worker nodes join the cluster to run Windows Server container pods. k3s, a lightweight Kubernetes distribution from Rancher, makes this […]

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How to Configure GELI Disk Encryption on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure GELI Disk Encryption on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure geli disk encryption on freebsd 13 on FreeBSD 13 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 Use Docker Compose on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Use Docker Compose on Windows Server 2025

How to Use Docker Compose on Windows Server 2025 Docker Compose transforms the management of multi-container applications from a series of individual docker run commands into a single declarative YAML file. On Windows Server 2025, Compose supports Windows containers natively, enabling you to describe a full application stack — web frontend, application server, and SQL […]

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How to Set Up Fail2ban on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Fail2ban on FreeBSD 13

Introduction How to Set Up Fail2ban on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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How to Harden Web Servers on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Harden Web Servers on FreeBSD 13

Introduction Deploying harden web servers 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 base […]

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How to Deploy Windows Containers with Docker on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Deploy Windows Containers with Docker on Windows Server 2025

How to Deploy Windows Containers with Docker on Windows Server 2025 Windows Server 2025 supports two distinct container isolation modes — process isolation and Hyper-V isolation — giving operators fine-grained control over the security boundary between containers and the host. Process-isolated containers share the host kernel directly, offering near-bare-metal density and performance, while Hyper-V isolated […]

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How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13

Introduction This guide explains how to Scan for Vulnerabilities with OpenVAS 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 […]

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How to Install Docker on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Install Docker on Windows Server 2025

How to Install Docker on Windows Server 2025 Docker on Windows Server 2025 brings native container support directly to the host OS, enabling teams to run process-isolated Windows containers without a hypervisor layer between the application and the kernel. Unlike Docker Desktop on Windows 10/11, Docker Engine on Windows Server 2025 is a headless service […]

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How to Configure DNSSEC on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure DNSSEC on FreeBSD 13

Introduction Deploying configure dnssec 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 base + […]

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