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

How to Set Up Uptime Kuma on FreeBSD 13

Introduction This guide explains how to Set Up Uptime Kuma 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 Manage Users and Groups on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Manage Users and Groups on FreeBSD 13

Introduction How to Manage Users and Groups 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 […]

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How to Install and Configure Drone CI on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Drone CI on RHEL 8

Drone CI is a lightweight, container-native continuous integration platform that runs every pipeline step inside an isolated Docker container. Its pipeline definition lives entirely in a .drone.yml file committed alongside your source code, making pipelines version-controlled and reproducible by default. In this tutorial you will install Docker CE on RHEL 8, deploy a Drone Server […]

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

How to Configure StrongSwan IPsec on FreeBSD 13

Introduction Deploying configure strongswan ipsec 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 Harden the Linux Kernel with sysctl on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Harden the Linux Kernel with sysctl on RHEL 7

How to Harden the Linux Kernel with sysctl on RHEL 7 The Linux kernel exposes hundreds of tunable parameters through the /proc/sys/ virtual filesystem, and the sysctl utility provides a clean interface for reading and setting those values at runtime and persistently across reboots. Many of these parameters have direct security implications: they control whether […]

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How to Configure Suricata IDS/IPS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Suricata IDS/IPS on RHEL 8

Suricata is a high-performance, open-source network threat detection engine that can operate as an Intrusion Detection System (IDS) to alert on suspicious traffic, or as an Intrusion Prevention System (IPS) to actively block it. On RHEL 8, Suricata integrates naturally with firewalld‘s NFQUEUE target for inline packet inspection, and its Lua scripting and Eve JSON […]

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How to Perform a Security Audit on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Perform a Security Audit on FreeBSD 13

Introduction Deploying perform a security audit 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 Configure ZFS Encryption on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure ZFS Encryption on FreeBSD 13

Introduction How to Configure ZFS Encryption 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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Common Problems 113595

Windows Server 2012 R2 — Windows Firewall ruleset regression blocks east-west traffic after GPO refresh — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 May 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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How to Install Jupyter Notebook on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Jupyter Notebook on RHEL 7

How to Install Jupyter Notebook on RHEL 7 Jupyter Notebook is a browser-based interactive computing environment used extensively in data science, machine learning, and scientific research. It allows you to write Python code, run it in cells, visualize data inline, and document your analysis—all in one place. This guide covers two installation methods on Red […]

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