Cpu Memory

How to Configure Nginx as a Reverse Proxy on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on FreeBSD 14

Introduction Deploying configure nginx as a reverse proxy 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 […]

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How to Configure Postfix Mail Server on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 14

Introduction This guide explains how to Configure Postfix Mail Server 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 […]

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How to Install InfluxDB and Telegraf on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install InfluxDB and Telegraf on RHEL 9

InfluxDB 2.x is a purpose-built time-series database that excels at storing high-cardinality metrics with millisecond precision, while Telegraf is its companion agent that collects metrics from hundreds of input plugins and writes them directly to InfluxDB. Together they form the “TIG stack” backbone when paired with Grafana for visualisation. On RHEL 9, both packages are […]

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How to Set Up Two-Factor Authentication for SSH on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication for SSH on FreeBSD 14

Introduction Deploying set up two-factor authentication for ssh 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 […]

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How to Configure ZFS Encryption on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure ZFS Encryption 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 configure zfs encryption 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 distribution. […]

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How to Deploy a Ruby on Rails Application on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Deploy a Ruby on Rails Application on FreeBSD 14

Introduction This guide explains how to Deploy a Ruby on Rails Application 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 […]

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Common Problems 120096

Debian 12 High I/O Wait Caused by Swap Thrashing

🟠 High   ⏱ 5–30 min  Last verified: 8 September 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 Set Up GitLab Runner on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up GitLab Runner on FreeBSD 14

Introduction Deploying set up gitlab runner 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 Install Nomad on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Nomad on FreeBSD 14

Introduction This guide explains how to Install Nomad 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 separation. […]

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How to Install Helm on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Helm on FreeBSD 14

Introduction How to Install Helm on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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, and […]

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