Boot Startup

How to Use AIX Enterprise Identity Mapping (EIM) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX Enterprise Identity Mapping (EIM) on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix enterprise identity mapping (eim) on ibm aix […]

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How to Install Zabbix on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Zabbix on FreeBSD 12

Introduction How to Install Zabbix on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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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How to Use Makefile for Build Automation on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Use Makefile for Build Automation on FreeBSD 13

Introduction How to Use Makefile for Build Automation 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 […]

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Common Problems 115530

MariaDB Service Fails Because of Data Directory Permissions

🟡 Medium   ⏱ 5–30 min  Last verified: 28 June 2021 📖 ~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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How to Install Vault for Secrets Management on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Vault for Secrets Management on FreeBSD 13 (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 vault for secrets management 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 […]

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

How to Install Docker Compose on FreeBSD 13

Introduction This guide explains how to Install Docker Compose on FreeBSD 13 on FreeBSD 13. 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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Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2021-9077)

🟠 High   ⏱ 15–60 min  Last verified: 27 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9077 Related CVEs: CVE-2021-20233 CVE-2021-20225 CVE-2020-27749 CVE-2020-14372 CVE-2020-25632 CVE-2020-25647 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure PostgreSQL Remote Access on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on FreeBSD 13

Introduction Deploying configure postgresql remote access 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 […]

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How to Use Snapshots with JFS2 on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use Snapshots with JFS2 on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use snapshots with jfs2 on ibm aix 7.1 on […]

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How to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13

Introduction This guide explains how to Configure GitHub Actions Self-Hosted Runner on FreeBSD 13 on FreeBSD 13. 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 […]

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