Firewall

How to Configure GELI Disk Encryption on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure GELI Disk Encryption on FreeBSD 15

Introduction How to Configure GELI Disk Encryption on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 Configure HashiCorp Vault on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure HashiCorp Vault on FreeBSD 15

Introduction Deploying configure hashicorp vault on a FreeBSD 15 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 + ports approach […]

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How to Install Lua on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Lua on FreeBSD 15

Introduction Deploying install lua on a FreeBSD 15 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 + ports approach so […]

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How to Configure Apache2 Virtual Hosts on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Apache2 Virtual Hosts on FreeBSD 15

Introduction How to Configure Apache2 Virtual Hosts on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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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Common Problems 116067

Ubuntu 26.04 LTS – rsyslog not forwarding logs to remote collector – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Portainer for Docker Management on Ubuntu 26.04

Portainer is an open-source container management UI that provides a web-based dashboard for managing Docker containers, images, volumes, networks, and stacks. It is available as a free Community Edition (CE). This guide installs Portainer CE on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine installed A […]

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How to Take ZFS Snapshots on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Take ZFS Snapshots on FreeBSD 15

Introduction Deploying take zfs snapshots on a FreeBSD 15 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 + ports approach […]

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Common Problems 116127

Ubuntu 26.04 LTS – fail2ban not banning repeated SSH brute-force attempts – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 k3s on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install and Configure k3s on FreeBSD 15

Introduction This guide explains how to Install and Configure k3s on FreeBSD 15 on FreeBSD 15. 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 Set Up Nginx with PHP-FPM on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM on FreeBSD 15

Introduction How to Set Up Nginx with PHP-FPM on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 […]

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