Backup Recovery

How to Configure GEOM Mirroring on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure GEOM Mirroring on FreeBSD 14

Introduction This guide explains how to Configure GEOM Mirroring on FreeBSD 14 on FreeBSD 14. 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 VictoriaMetrics on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install VictoriaMetrics on FreeBSD 14

Introduction Deploying install victoriametrics on freebsd 14 on a FreeBSD 14 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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Common Problems 120134

Debian 12 Hostname Resolution Warning sudo unable to resolve host

🟢 Low   ⏱ 5–30 min  Last verified: 1 January 2024 Affected versions: Debian 12 📖 ~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 Configure Nginx WebSocket Proxying on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on FreeBSD 14

Introduction Deploying configure nginx websocket proxying on freebsd 14 on a FreeBSD 14 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 Enable Automatic Security Updates on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Enable Automatic Security Updates on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up enable automatic security updates on freebsd 14 on FreeBSD 14 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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Common Problems 117065

Ubuntu 22.04 LTS – MySQL login fails after auth plugin mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 2024 Affected versions: Ubuntu 22.04 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 Configure ZFS on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure ZFS on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure zfs on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the resulting […]

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How to Install and Configure ufw Firewall on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure ufw Firewall on Debian 12

Introduction Deploying install and configure ufw firewall on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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How to Set Up ArgoCD for GitOps on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up ArgoCD for GitOps on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up argocd for gitops on freebsd 14 on FreeBSD 14 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 […]

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How to Set Up FreeBSD Jails with iocage on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up FreeBSD Jails with iocage on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up freebsd jails with iocage on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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