Database

How to Configure Disk Mirroring with LVM on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Disk Mirroring with LVM 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 configure disk mirroring with lvm on ibm aix 7.1 […]

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How to Configure HAProxy for HTTP and TCP Load Balancing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure HAProxy for HTTP and TCP Load Balancing on RHEL 8

HAProxy is a battle-tested open-source load balancer and proxy server that can distribute HTTP and raw TCP traffic across multiple backend servers with sub-millisecond overhead. On RHEL 8 it is available directly from the AppStream repository and integrates cleanly with firewalld and SELinux. This guide walks through installing HAProxy, writing a configuration that handles both […]

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Common Problems 119056

Ubuntu 14.04 LTS – MySQL fails to start after abrupt shutdown – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 October 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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 Use nim to Manage AIX Installations on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use nim to Manage AIX Installations 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 nim to manage aix installations on ibm aix […]

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How to Set Up Centralized Logging with syslogd on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up Centralized Logging with syslogd 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 set up centralized logging with syslogd on ibm aix […]

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How to Configure Software Updates with SCCM on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Software Updates with SCCM on Windows Server 2016

How to Configure Windows Server 2016 with SCCM Updates Microsoft System Center Configuration Manager (SCCM), now known as Microsoft Endpoint Configuration Manager (MECM), is the enterprise-grade solution for managing software updates, application deployment, operating system deployment, and compliance across large Windows environments. While WSUS handles basic patch management, SCCM provides a far more powerful and […]

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How to Manage Users and Groups on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Manage Users and Groups 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 manage users and groups on ibm aix 7.1 on […]

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How to Configure Windows Server 2019 with PRTG — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 with PRTG

How to Configure Windows Server 2019 with PRTG PRTG Network Monitor from Paessler is a comprehensive agentless monitoring solution that uses SNMP, WMI, and custom sensors to monitor Windows Server 2019 without requiring a local agent. PRTG communicates directly with Windows Management Instrumentation (WMI), which is built into Windows Server 2019, to collect CPU, memory, […]

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How to Install Docker Compose on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Docker Compose on RHEL 7

How to Install Docker Compose on RHEL 7 Docker Compose is a tool for defining and running multi-container applications using a single YAML configuration file. Rather than issuing long docker run commands manually for each service, you describe your entire application stack — web server, database, cache, and more — in a docker-compose.yml file and […]

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How to Install MySQL 8 on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install MySQL 8 on SLES 12

Introduction This tutorial covers How to Install MySQL 8 on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install MySQL zypper install -y mysql-server Step 2 — […]

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