Storage Disk

How to Configure OpenTelemetry Collector on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on FreeBSD 15

Introduction This guide explains how to Configure OpenTelemetry Collector 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 privilege […]

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How to Set Up Software RAID with mdadm on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Software RAID with mdadm on Ubuntu 26.04

Software RAID with mdadm provides data redundancy and performance improvements using standard hardware without a dedicated RAID controller. RAID 1 (mirroring) protects against single disk failure, while RAID 5 and 6 provide space efficiency with fault tolerance. This guide creates a RAID 1 array on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]

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How to Configure cbsd VM Management on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure cbsd VM Management on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure cbsd vm management on FreeBSD 15 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 distribution. This guide […]

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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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Common Problems 116050

Ubuntu 26.04 LTS Filesystem Check Required After Unclean Shutdown

🟠 High   ⏱ 5–30 min  Last verified: 20 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 GitLab CE on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install GitLab CE on RHEL 9

GitLab Community Edition (CE) is a complete, self-hosted DevOps platform that combines Git repository hosting, issue tracking, CI/CD pipelines, container registry, and code review in a single application. Hosting GitLab internally gives organisations full control over their source code without relying on third-party services, making it the preferred choice for teams with data sovereignty requirements […]

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How to Automate FreeBSD 15 Server Provisioning with Ansible — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Automate FreeBSD 15 Server Provisioning with Ansible

Introduction Deploying automate freebsd 15 server provisioning with ansible 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 […]

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How to Configure Network Interface Aggregation on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Network Interface Aggregation on FreeBSD 15

Introduction How to Configure Network Interface Aggregation 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 Set Up VLAN Tagging on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up VLAN Tagging on FreeBSD 15

Introduction How to Set Up VLAN Tagging 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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