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How to Configure COM+ Application Server on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure COM+ Application Server on Windows Server 2025

How to Configure COM+ Application Server on Windows Server 2025 COM+ (Component Object Model Plus) is the Windows middleware layer that provides enterprise services — object pooling, distributed transactions, role-based security, and loosely coupled events — to COM components running on Windows Server. COM+ sits between IIS/application code and the raw Windows API, offering the […]

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How to Set Up IPsec VPN with Libreswan on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up IPsec VPN with Libreswan on CentOS Stream 10

Introduction How to Set Up IPsec VPN with Libreswan on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the […]

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How to Configure Multipath I/O on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Multipath I/O on RHEL 10

Introduction Setting up configure multipath i/o on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Multipath I/O on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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Common Problems 116595

Ubuntu 24.04 LTS – cloud-init datasource timeout delays boot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Ubuntu 24.04 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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Common Problems 116578

Ubuntu 24.04 LTS kubelet NotReady After containerd Configuration Drift

🔴 Critical   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Ubuntu 24.04 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 Robocopy for Scheduled File Backups on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Use Robocopy for Scheduled File Backups on Windows Server 2025

How to Use Robocopy for Scheduled File Backups on Windows Server 2025 Robocopy (Robust File Copy) has shipped with Windows for decades, but it remains one of the most reliable and flexible tools for file-level backup on Windows Server 2025. Unlike third-party backup products that require licensing, agents, and proprietary restore tools, Robocopy creates plain […]

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How to Migrate from AIX 7.2 to AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Migrate from AIX 7.2 to 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 migrate from aix 7.2 to aix 7.3 on IBM […]

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How to Audit Linux Security with Lynis on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Audit Linux Security with Lynis on RHEL 9

Security auditing is a critical practice for any Linux administrator responsible for maintaining compliant and hardened systems. Lynis is a free, open-source security auditing tool that performs deep system scans and produces actionable hardening recommendations. On RHEL 9, Lynis integrates seamlessly and covers hundreds of security controls across authentication, networking, storage, and more. This tutorial […]

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How to Set Up OpenVSwitch on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up OpenVSwitch on CentOS Stream 10

Introduction This tutorial demonstrates how to Set Up OpenVSwitch on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]

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How to Set Up SQL Server Replication on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up SQL Server Replication on Windows Server 2025

How to Set Up SQL Server Replication on Windows Server 2025 SQL Server replication is a powerful set of technologies for copying and distributing data and database objects from one database to another, then synchronizing between databases to maintain consistency. On Windows Server 2025, SQL Server replication is commonly used to distribute data across multiple […]

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