Cpu Memory

How to Configure Bacula Backup Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Bacula Backup Server on Debian 12

Introduction Deploying configure bacula backup server 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 Before you […]

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How to Deploy a Node.js App with PM2 on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Deploy a Node.js App with PM2 on FreeBSD 14

Introduction This guide explains how to Deploy a Node.js App with PM2 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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How to Configure PostgreSQL Remote Access on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on FreeBSD 14

Introduction Deploying configure postgresql remote access 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 Set Up Cron Jobs on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Cron Jobs on FreeBSD 14

Introduction Deploying set up cron jobs 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 Configure SSL Client Certificate Authentication on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure SSL Client Certificate Authentication on Debian 12

Introduction How to Configure SSL Client Certificate Authentication on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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How to Install and Configure BIND9 DNS Server on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on FreeBSD 14

Introduction Deploying install and configure bind9 dns server 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 ifconfig Networking on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure ifconfig Networking on FreeBSD 14

Introduction How to Configure ifconfig Networking 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, […]

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How to Set Up Tekton CI/CD Pipelines on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Tekton CI/CD Pipelines on Debian 12

Introduction Deploying set up tekton ci/cd pipelines 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 Before […]

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How to Configure Nginx Server Blocks on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Nginx Server Blocks on Debian 12

Introduction This guide explains how to Configure Nginx Server Blocks on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]

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Common Problems 114560

Incorrect Tuned Profile Causing Performance Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 5 January 2024 📖 ~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 & Cross-Refs References & Further […]

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