Networking

How to Install Nexus Repository Manager on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Nexus Repository Manager on RHEL 9

Sonatype Nexus Repository Manager is a universal binary repository that centralizes storage and distribution of build artifacts across your organization. It supports Maven JARs, npm packages, Docker images, Python packages, RubyGems, and more — acting as both a proxy for upstream registries and a private hosted repository. In large teams and CI/CD pipelines, Nexus reduces […]

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How to Install and Configure SonarQube on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure SonarQube on RHEL 9

SonarQube is an open-source static code analysis platform that continuously inspects source code for bugs, security vulnerabilities, code smells, and technical debt across 30+ programming languages. It integrates with CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions) to provide automatic quality gates — blocking merges or deployments when code quality metrics fall below defined thresholds. SonarQube […]

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How to Set Up Windows Server 2012 R2 as a DSC Node — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Windows Server 2012 R2 as a DSC Node

How to Set Up Windows Server 2012 R2 as a DSC Node Once a DSC Pull Server is operational, the next step is configuring managed nodes to pull their configurations automatically. Each managed server runs a Local Configuration Manager (LCM) — the DSC engine built into PowerShell — that handles pulling configurations, applying them, and […]

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How to Configure a DSC Pull Server on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure a DSC Pull Server on Windows Server 2012 R2

How to Configure a DSC Pull Server on Windows Server 2012 R2 Desired State Configuration (DSC) is a PowerShell-based configuration management platform built into Windows Server 2012 R2. In push mode, an administrator pushes configurations directly to individual nodes. In pull mode, nodes periodically contact a central Pull Server to retrieve their configuration and report […]

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How to Register a GitHub Actions Self-Hosted Runner on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on RHEL 9

GitHub Actions self-hosted runners allow running GitHub Actions CI/CD workflows on your own infrastructure instead of GitHub’s shared runners. This is essential when workflows need to: access private network resources (internal databases, Docker registries, Kubernetes clusters), use specialised hardware (GPUs, large memory), comply with data residency requirements, or reduce GitHub Actions billing costs for high-volume […]

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How to Configure Software-Defined Networking Basics on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Software-Defined Networking Basics on Windows Server 2012 R2

How to Configure Software-Defined Networking Basics on Windows Server 2012 R2 Software-Defined Networking (SDN) in Windows Server 2012 R2 is implemented through Hyper-V Network Virtualization (HNV), which allows multiple tenant networks to coexist on a shared physical network fabric while remaining logically isolated. HNV uses NVGRE (Network Virtualization Generic Routing Encapsulation) to encapsulate virtual machine […]

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How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2

How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2 A site-to-site VPN connects two geographically separate networks over the internet as if they were directly connected. Windows Server 2012 R2 RRAS (Routing and Remote Access Service) can act as a VPN gateway for site-to-site connections, establishing persistent encrypted tunnels between a […]

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How to Configure DHCP Failover on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure DHCP Failover on Windows Server 2012 R2

How to Configure DHCP Failover on Windows Server 2012 R2 DHCP Failover is a new feature introduced in Windows Server 2012 R2 that allows two DHCP servers to share a pool of IP addresses for one or more subnets. Before this feature, providing redundant DHCP service required manual IP range splitting (the 80/20 rule) — […]

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How to Set Up iSCSI Initiator on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up iSCSI Initiator on Windows Server 2012 R2

How to Set Up iSCSI Initiator on Windows Server 2012 R2 The iSCSI Initiator allows Windows Server 2012 R2 to connect to iSCSI storage targets — shared storage devices that expose block-level storage over a standard IP network. iSCSI is widely used for connecting servers to SAN (Storage Area Network) devices, NAS appliances with iSCSI […]

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