Storage Disk

How to Set Up a Certificate Authority with OpenSSL on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on FreeBSD 15

Introduction How to Set Up a Certificate Authority with OpenSSL 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, […]

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How to Configure GitLab CE on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure GitLab CE on FreeBSD 15

Introduction Deploying configure gitlab ce 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 Set Up Concourse CI on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Concourse CI on FreeBSD 15

Introduction This guide explains how to Set Up Concourse CI 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 Configure SSL/TLS on Nginx on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure SSL/TLS on Nginx on FreeBSD 15

Introduction Deploying configure ssl/tls on nginx 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 […]

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How to Install Loki for Log Aggregation on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Loki for Log Aggregation on RHEL 10

Introduction How to Install Loki for Log Aggregation on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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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 k3s Lightweight Kubernetes on Ubuntu 26.04

k3s is a certified lightweight Kubernetes distribution by Rancher. With a single binary under 100 MB, k3s is perfect for edge computing, IoT, CI environments, and resource-constrained servers. It bundles containerd, Flannel networking, and SQLite (or etcd) in one package. This guide installs k3s on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]

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Common Problems 122094

Root Filesystem Near Full Due to /var Growth

🟡 Medium   ⏱ 5–30 min  Last verified: 12 July 2026 Affected versions: FreeBSD 15 📖 ~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 Software RAID with mdadm on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Logrotate on Ubuntu 26.04

Logrotate prevents log files from consuming all available disk space by automatically rotating, compressing, and deleting old log files. Ubuntu uses logrotate by default for system logs. This guide configures logrotate for system and custom application logs on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with […]

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Common Problems 115989

Ubuntu 26.04 LTS – initramfs build fails with missing storage modules

🟠 High   ⏱ 5–30 min  Last verified: 11 July 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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Common Problems 116121

Ubuntu 26.04 LTS – high CPU usage from Tracker Miner – Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 11 July 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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