Boot Startup

How to Install PostgreSQL 16 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install PostgreSQL 16 on FreeBSD 12

Introduction How to Install PostgreSQL 16 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, […]

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Common Problems 115098

RHEL 8 MariaDB Service Fails After Parameter Mismatch Change

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2022 📖 ~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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Common Problems 112923

Windows Server 2016 — Print Spooler service stuck in stopping state — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 December 2022 Affected versions: Windows Server 2016 📖 ~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 IBM HTTP Server on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up IBM HTTP Server on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm http server on IBM AIX 7.3 […]

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How to Configure AppArmor Profiles on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure AppArmor Profiles on Debian 9

Introduction Deploying configure apparmor profiles on debian 9 on a Debian 9 Stretch 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 begin, […]

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How to Configure Lightweight User Environments with WPARs on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Lightweight User Environments with WPARs on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure lightweight user environments with wpars on IBM AIX […]

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How to Set Up IBM Cloud PowerVS Instance with AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up IBM Cloud PowerVS Instance with AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm cloud powervs instance with aix 7.3 […]

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Common Problems 117126

Ubuntu 22.04 kdump Fails to Capture Kernel Crash Dumps

🟡 Medium   ⏱ 5–30 min  Last verified: 24 December 2022 📖 ~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 Use sar for System Activity Reporting on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use sar for System Activity Reporting on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use sar for system activity reporting on IBM AIX […]

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How to Configure Windows Admin Center Extensions on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Admin Center Extensions on Windows Server 2022

Windows Admin Center Extension Architecture Windows Admin Center (WAC) is a browser-based, locally deployed management tool for Windows Server 2022 that runs as either a desktop application or a gateway service. Unlike older management consoles such as Server Manager or the MMC snap-ins, WAC is built on modern web technologies — it is an Angular-based […]

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