Database

How to Use AIX Security Compliance Assessment on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX Security Compliance Assessment 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 security compliance assessment on ibm aix 7.1 […]

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How to Set Up Microsoft Defender on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Microsoft Defender on Windows Server 2019

Introduction to Microsoft Defender on Windows Server 2019 Microsoft Defender Antivirus is built into Windows Server 2019 and provides real-time protection against malware, ransomware, spyware, and other threats. On Windows Server 2019, Defender Antivirus integrates with Windows Defender System Guard, Windows Defender Credential Guard, and Microsoft Defender for Endpoint (the enterprise-grade EDR product). For basic […]

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Common Problems 117899

Ubuntu 18.04 LTS apt Lock Contention During Unattended Upgrades

🟡 Medium   ⏱ 5–30 min  Last verified: 27 November 2019 Affected versions: 18.04 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 Configure Large Page Support on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Large Page Support on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure large page support on ibm aix 7.2 on […]

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How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 7

How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 7 Apache’s mod_proxy module transforms your existing Apache web server into a fully capable reverse proxy without requiring any additional software. On RHEL 7, Apache is the default web server and is frequently already running for other purposes. Rather than installing a second web […]

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How to Configure Windows Server 2019 Data Deduplication — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Data Deduplication

How to Configure Windows Server 2019 Data Deduplication Data Deduplication (dedup) on Windows Server 2019 reduces storage consumption by identifying and removing duplicate data blocks within a volume, replacing duplicate copies with references to a single shared copy. Deduplication is particularly effective for file shares, virtualization storage (VDI, Hyper-V), and backup repositories, where data duplication […]

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How to Configure Windows Server 2019 for High Availability — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 for High Availability

How to Configure Windows Server 2019 for High Availability High Availability (HA) in Windows Server 2019 is achieved through multiple technologies that eliminate single points of failure. The primary HA technologies include Failover Clustering for automatic failover of roles and virtual machines, Network Load Balancing for distributing workloads across multiple servers, Always On Availability Groups […]

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How to Configure Active Directory Replication on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Active Directory Replication on Windows Server 2019

Introduction to Active Directory Replication Active Directory is a distributed database. In a multi-domain-controller environment, changes made on one DC must propagate to all other DCs in the domain. This process is called replication. Windows Server 2019 uses two replication topologies: intrasite replication (within a site, using RPCs over TCP/IP, triggered within seconds) and intersite […]

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How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 8

VictoriaMetrics is a fast, cost-efficient time-series database designed as a drop-in replacement for Prometheus storage. It supports the full Prometheus remote_write protocol, exposes its own MetricsQL query language (fully compatible with PromQL), and operates as a single binary with no external dependencies. On RHEL 8, the installation takes under five minutes and the memory footprint […]

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How to Set Up Centralized Logging with syslogd on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up Centralized Logging with syslogd on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 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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