Networking

How to Install and Use tmux on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install and Use tmux on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install and use tmux on freebsd 13 on FreeBSD 13 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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How to Configure Docker with a Non-Root User on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker with a Non-Root User on Debian 9

Introduction This guide explains how to Configure Docker with a Non-Root User on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install […]

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How to Install phpMyAdmin on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install phpMyAdmin on FreeBSD 13

Introduction Deploying install phpmyadmin on freebsd 13 on a FreeBSD 13 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 115529

RHEL 7 MariaDB service fails recovery after abrupt shutdown

🟠 High   ⏱ 5–30 min  Last verified: 13 July 2021 Affected versions: RHEL 7 📖 ~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 Jupyter Notebook on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Jupyter Notebook on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install jupyter notebook on freebsd 13 on FreeBSD 13 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 Install and Configure LXC Containers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure LXC Containers on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install and configure lxc containers on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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How to Set Up DRBD on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up DRBD on FreeBSD 13

Introduction Deploying set up drbd on freebsd 13 on a FreeBSD 13 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 121639

Debian 9 NTP Sync Not Active and Clock Drift Increases

🟡 Medium   ⏱ 5–30 min  Last verified: 10 July 2021 Affected versions: Debian 9 📖 ~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 .NET SDK on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install .NET SDK on FreeBSD 13

Introduction Deploying install .net sdk on freebsd 13 on a FreeBSD 13 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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How to Set Up IPv6 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up IPv6 on FreeBSD 13

Introduction How to Set Up IPv6 on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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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