A Guide on Choosing GPUs for Your Cloud

Graphics Processing Units (GPUs) are no longer just for gaming or graphics rendering. In today’s cloud environments, GPUs power artificial intelligence (AI), machine learning (ML), high-performance computing (HPC), and even virtual desktops. For cloud service providers (CSPs), system integrators, and enterprises, choosing the right GPUs can directly influence performance, scalability, and cost-efficiency. This guide will […]
Apache CloudStack 4.21 FAQ: Expert Answers from ShapeBlue

What you’ll find here Practical answers about the new Extensions (XaaS) Framework, CKS/Kubernetes & CSI, GPU, Netris SDN, and more. CloudStack XaaS Extension Framework Q: What is the CloudStack XaaS Extension Framework and why was it introduced? A: The CloudStack XaaS Extension Framework allows operators and developers to integrate CloudStack with external systems such as […]
Auto‑Seed SystemVM Template for Multi‑Arch Zones

Apache CloudStack 4.20.1 introduces automatic SystemVM template seeding for ARM64 Hosts. When the first ARM64 host is added to a zone, CloudStack downloads and registers the aarch64 template automatically. Combined with the new system.vm.preferred.architecture setting and architecture-aware filters in the UI/API, this feature streamlines mixed-architecture deployments and removes the need for manual template management. Automatic […]
New Image‑Selection UI and OS Category Management

Apache CloudStack 4.21 will introduce a category‑driven Template and ISO image‑selection UI, fully programmable OS‑category APIs, and an updated default list that mirrors today’s most‑used operating systems. Users will find Templates and ISOs faster, while operators gain fine‑grained control over how operating systems are organised and surfaced. Feature Overview Before CloudStack 4.21, the image […]
Apache CloudStack vs. Proxmox for Your Virtual Environment: A Comprehensive Comparison

Apache CloudStack and Proxmox are two widely used platforms for managing virtualisation environments, each catering for different use cases and organisational needs. While Proxmox is designed as a robust virtualisation platform suitable for small and medium-sized businesses, CloudStack is a fully-fledged cloud management platform designed for scalable and multi-tenant cloud environments across businesses of all […]
Looking for a Nutanix Alternative? Why Open Source Infrastructure Ensures Long-Term Freedom

Explore Apache CloudStack as a compelling open-source alternative to Nutanix. This article reviews Apache CloudStack as a Nutanix replacement for organisations seeking infrastructure flexibility, vendor neutrality, and long-term cost efficiency. While Nutanix provides a robust hyperconverged infrastructure (HCI) platform with integrated compute, storage, and networking, it imposes limitations such as hardware lock-in, proprietary ecosystems, and […]
Automating Infrastructure with Terraform and Apache CloudStack

Infrastructure as Code (IaC) is transforming the way IT teams provision, manage, and scale cloud environments. Rather than relying on manual steps or scripts, infrastructure can now be defined in human-readable configuration files, enabling repeatability, version control, and automation. When it comes to managing resources in Apache CloudStack, Terraform stands out as a powerful and […]
CloudStack Backup Options: Avoiding Downtime and Data Loss

Implementing a robust CloudStack backup strategy is essential for ensuring data reliability and achieving effective data redundancy across your cloud infrastructure. Data protection is a key aspect of managing cloud environments, ensuring the recoverability of workloads for both service providers and enterprises. Apache CloudStack, a leading open-source cloud orchestration platform, offers a flexible Backup and […]
CloudStack European User Group 2025: A Thriving Community Comes Together in Vienna

On May 8th, the CloudStack European User Group (CSEUG) once again brought together open-source cloud professionals, contributors, developers, and users for a day of deep technical insights, knowledge sharing, and community connection—this time in the stunning city of Vienna, Austria. Hosted at Quartier Belvedere Central, the 2025 edition of CSEUG marked another successful chapter in […]
CloudStack vs. VMware: The Best Open-Source VMware Alternatives

The Broadcom acquisition of VMware fundamentally reshaped the virtualisation and cloud infrastructure landscape, compelling cloud service providers, enterprises, and hosting companies to reassess their technology strategies and actively seek alternatives to VMware. Significant licensing changes, product realignments, and growing uncertainty surrounding the future of the VMware ecosystem accelerated demand for reliable, scalable, and future-proof solutions. […]
