Author name: Nubius Solutions

Core Network Upgrade
Cloud and Business Transformation, Cloud Connectivity, Networking

What It Took to Modernize Our Backbone: A Real Core Network Upgrade Journey

For nearly two decades, the hosting company we worked for carved its space in the market by being one of the first to offer Java hosting. A privately held, organically grown company that ran lean and smart, it thrived on optimizing operations while delivering reliable services to a global customer base. My partner and I

Magic Transit Implementation
Cloud Migrations, OpenNebula, Virtualization

Massive OpenNebula Migration: How We Moved 2,300+ VMs with Minimal Downtime

When Legacy Infrastructure Becomes a Roadblock At the hosting provider where we worked, performance bottlenecks and infrastructure limitations had begun to surface. The entire environment was running on OnApp — rigid provisioning, dated tooling, and restricted flexibility were starting to affect day-to-day operations. We needed a better path forward. So, we took ownership of a

application lifecycle management system
Email

Best Practices for Email Reputation Management

Best Practices for Email Reputation Management Maintaining a solid email reputation is essential if you want your emails to be delivered reliably and avoid spam filters or blacklists. Over the years, I’ve worked with Microsoft, Google, and self-hosted solutions like cPanel, Plesk, and ISPmanager. Across these platforms, I’ve seen recurring issues that can drastically affect delivery rates.

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