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Tech Blog by vCluster

vCluster Labs Introduces Infrastructure Tenancy Platform for AI to Maximize NVIDIA GPU Efficiency on Kubernetes Environments
vCluster Labs Introduces Infrastructure Tenancy Platform for AI to Maximize NVIDIA GPU Efficiency on Kubernetes Environments

vCluster Labs announced its Infrastructure Tenancy Platform for AI at KubeCon North America 2025, delivering a Kubernetes-native foundation for running AI workloads on NVIDIA GPU infrastructure. The platform introduces vCluster Private Nodes, Auto Nodes with Karpenter-based autoscaling, vCluster VPN for hybrid networking, and direct integrations with NVIDIA Base Command Manager, KubeVirt, and Netris—helping organizations maximize GPU utilization while maintaining full workload isolation and security across cloud, on-prem, and bare metal environments.

Cliff Malmborg
Nov 10, 2025  |  4 min Read
Architecting a Private Cloud for AI Workloads
Dec 01, 2025  |  9 min Read
Demystifying Karpenter on GCP: The Complete Setup Guide
Nov 26, 2025  |  6 min Read
GPU Multitenancy in Kubernetes: Strategies, Challenges, and Best Practices
Nov 21, 2025  |  5 min Read
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Architecting a Private Cloud for AI Workloads
Architecting a Private Cloud for AI Workloads
Dec 1, 2025
|
9
min Read
How to design, build, and operate a cost-effective private cloud infrastructure for enterprise AI at scale
Public clouds are convenient for AI experimentation, but production workloads often hit walls. For enterprises running continuous training and inference, a private cloud can deliver better ROI, data sovereignty, and performance. This comprehensive guide walks through architecting a private cloud for AI workloads from the ground up.
vCluster
Platform Engineering
Guides
Demystifying Karpenter on GCP: The Complete Setup Guide
Demystifying Karpenter on GCP: The Complete Setup Guide
Nov 26, 2025
|
6
min Read
How to deploy Karpenter on Google Cloud Platform (and why you might want vCluster Auto Nodes instead)
Karpenter has become the gold standard for Kubernetes autoscaling on AWS, but what about GCP? This guide shows you how to set it up and introduces a better way.
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GPU Multitenancy in Kubernetes: Strategies, Challenges, and Best Practices
GPU Multitenancy in Kubernetes: Strategies, Challenges, and Best Practices
Nov 21, 2025
|
5
min Read
How to safely share expensive GPU infrastructure across teams without sacrificing performance or security
GPUs don't support native sharing between isolated processes. Learn four approaches for running multitenant GPU workloads at scale without performance hits.
Kubernetes Insights
vCluster
Multi Tenancy
Platform Engineering
AI Infrastructure Isn’t Limited By GPUs. It’s Limited By Multi-Tenancy.
AI Infrastructure Isn’t Limited By GPUs. It’s Limited By Multi-Tenancy.
Nov 18, 2025
|
4
min Read
What the AI Infrastructure 2025 Survey Reveals, And How Platform Teams Can Respond
The latest AI Infrastructure 2025 survey shows that most organizations are struggling not due to GPU scarcity, but because of poor GPU utilization caused by limited multi-tenancy capabilities. Learn how virtual clusters and virtual nodes help platform teams solve high costs, sharing issues, and low operational maturity in Kubernetes environments.
vCluster
KubeCon + CloudNativeCon North America 2025 Recap
KubeCon + CloudNativeCon North America 2025 Recap
Nov 17, 2025
|
5
min Read
Announcing the Infrastructure Tenancy Platform for NVIDIA DGX—plus what we learned from 100+ conversations at KubeCon about GPU efficiency, isolation, and the future of AI on Kubernetes.
KubeCon Atlanta 2025 was packed with energy, launches, and conversations that shaped the future of AI infrastructure. At Booth #421, we officially launched the Infrastructure Tenancy Platform for NVIDIA DGX—a Kubernetes-native platform designed to maximize GPU efficiency across private AI supercomputers, hyperscalers, and neoclouds. Here's what happened, what we announced, and why it matters for teams scaling AI workloads.
vCluster
Events
vCluster Labs Introduces Infrastructure Tenancy Platform for AI to Maximize NVIDIA GPU Efficiency on Kubernetes Environments
vCluster Labs Introduces Infrastructure Tenancy Platform for AI to Maximize NVIDIA GPU Efficiency on Kubernetes Environments
Nov 10, 2025
|
4
min Read
New platform combines virtual clusters, dynamic GPU autoscaling, and hybrid networking to maximize NVIDIA infrastructure efficiency—from DGX systems to bare metal and cloud.
vCluster Labs announced its Infrastructure Tenancy Platform for AI at KubeCon North America 2025, delivering a Kubernetes-native foundation for running AI workloads on NVIDIA GPU infrastructure. The platform introduces vCluster Private Nodes, Auto Nodes with Karpenter-based autoscaling, vCluster VPN for hybrid networking, and direct integrations with NVIDIA Base Command Manager, KubeVirt, and Netris—helping organizations maximize GPU utilization while maintaining full workload isolation and security across cloud, on-prem, and bare metal environments.
Press Releases
Virtual Clusters Are More Real Than Virtual
Virtual Clusters Are More Real Than Virtual
Nov 2, 2025
|
min Read
Why virtual clusters aren’t “fake” Kubernetes clusters — they’re the foundation of real multi-tenant platforms built for cloud, on-prem, and bare metal.
Many engineers think “virtual” means “not real.” In Kubernetes, the opposite is true. Virtual clusters run full control planes inside namespaces, giving teams real isolation, faster CI/CD, and multi-tenant efficiency across cloud and on-prem infrastructure with vCluster from Loft Labs.
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Scaling Without Limits: The What, Why, and How of Cloud Bursting
Scaling Without Limits: The What, Why, and How of Cloud Bursting
Oct 29, 2025
|
5
min Read
A practical guide to implementing cloud bursting using vCluster VPN, Private Nodes, and Auto Nodes for secure, elastic, multi-cloud scalability.
Cloud bursting lets you expand compute capacity on demand without overprovisioning or re-architecting your systems. In this guide, we break down how vCluster VPN connects Private and Auto Nodes securely across environments—so you can scale beyond limits while keeping costs and complexity in check.
vCluster
Platform Engineering
vCluster and Netris Partner to Bring Cloud-Grade Kubernetes to AI Factories & GPU Clouds With Strong Network Isolation Requirements
vCluster and Netris Partner to Bring Cloud-Grade Kubernetes to AI Factories & GPU Clouds With Strong Network Isolation Requirements
Oct 28, 2025
|
3
min Read
vCluster Labs and Netris team up to bring cloud-grade Kubernetes automation and network-level multi-tenancy to AI factories and GPU-powered infrastructure.
vCluster Labs has partnered with Netris to revolutionize how AI operators run Kubernetes on GPU infrastructure. By combining vCluster’s Kubernetes-level isolation with Netris’s network automation, the integration delivers a full-stack multi-tenancy solution, simplifying GPU cloud operations, maximizing utilization, and enabling cloud-grade performance anywhere AI runs.
Press Releases
vCluster
Recapping The Future of Kubernetes Tenancy Launch Series
Recapping The Future of Kubernetes Tenancy Launch Series
Oct 25, 2025
|
6
min Read
How vCluster’s Private Nodes, Auto Nodes, and Standalone releases redefine multi-tenancy for modern Kubernetes platforms.
From hardware-isolated clusters to dynamic autoscaling and fully standalone control planes, vCluster’s latest launch series completes the future of Kubernetes multi-tenancy. Discover how Private Nodes, Auto Nodes, and Standalone unlock new levels of performance, security, and flexibility for platform teams worldwide.
vCluster
Platform Engineering
Multi Tenancy
Bootstrapping Kubernetes from Scratch with vCluster Standalone: An End-to-End Walkthrough
Bootstrapping Kubernetes from Scratch with vCluster Standalone: An End-to-End Walkthrough
Oct 23, 2025
|
5
min Read
Bootstrapping Kubernetes from scratch, no host cluster, no external dependencies.
Kubernetes multi-tenancy just got simpler. With vCluster Standalone, you can bootstrap a full Kubernetes control plane directly on bare metal or VMs, no host cluster required. This walkthrough shows how to install, join worker nodes, and run virtual clusters on a single lightweight foundation, reducing vendor dependencies and setup complexity for platform and infrastructure teams.
vCluster
Multi Tenancy
GPU on Kubernetes: Safe Upgrades, Flexible Multitenancy
GPU on Kubernetes: Safe Upgrades, Flexible Multitenancy
Oct 22, 2025
|
5
min Read
How vCluster and NVIDIA’s KAI Scheduler reshape GPU workload management in Kubernetes - enabling isolation, safety, and maximum utilization.
GPU workloads have become the backbone of modern AI infrastructure, but managing and upgrading GPU schedulers in Kubernetes remains risky and complex. This post explores how vCluster and NVIDIA’s KAI Scheduler together enable fractional GPU allocation, isolated scheduler testing, and multi-team autonomy, helping organizations innovate faster while keeping production safe.
vCluster
Tutorials
Platform Engineering
A New Foundation for Multi-Tenancy: Introducing vCluster Standalone
A New Foundation for Multi-Tenancy: Introducing vCluster Standalone
Oct 1, 2025
|
4
min Read
Eliminating the “Cluster 1 problem” with vCluster Standalone v0.29 – the unified foundation for Kubernetes multi-tenancy on bare metal, VMs, and cloud.
vCluster Standalone changes the Kubernetes tenancy spectrum by removing the need for external host clusters. With direct bare metal and VM bootstrapping, teams gain full control, stronger isolation, and vendor-supported simplicity. Explore how vCluster Standalone (v0.29) solves the “Cluster 1 problem” while supporting Shared, Private, and Auto Nodes for any workload.
vCluster
Multi Tenancy
Introducing vCluster Auto Nodes — Practical deep dive
Introducing vCluster Auto Nodes — Practical deep dive
Sep 30, 2025
|
6
min Read
Auto Nodes extend Private Nodes with provider-agnostic, automated node provisioning and scaling across clouds, on-prem, and bare metal.
Kubernetes makes pods elastic, but node scaling often breaks outside managed clouds. With vCluster Platform 4.4 + v0.28, Auto Nodes fix that gap, combining isolation, elasticity, and portability. Learn how Auto Nodes extend Private Nodes with automated provisioning and dynamic scaling across any environment.
Kubernetes Insights
vCluster
Tutorials
Platform Engineering
Introducing vCluster Auto Nodes: Karpenter-Based Dynamic Autoscaling Anywhere
Introducing vCluster Auto Nodes: Karpenter-Based Dynamic Autoscaling Anywhere
Sep 10, 2025
|
3
min Read
Dynamic, isolated, and cloud-agnostic autoscaling for every virtual cluster.
vCluster Auto Nodes brings dynamic, Karpenter-powered autoscaling to any environment, public cloud, private cloud, or bare metal. Combined with Private Nodes, it delivers true isolation and elasticity for Kubernetes, letting every virtual cluster scale independently without cloud-specific limits.
vCluster
Multi Tenancy
Platform Engineering
Press Releases
How vCluster Auto Nodes Delivers Dynamic Kubernetes Scaling Across Any Infrastructure
How vCluster Auto Nodes Delivers Dynamic Kubernetes Scaling Across Any Infrastructure
Sep 9, 2025
|
4
min Read
Kubernetes pods scale elastically, but node scaling often stops at the provider boundary. Auto Nodes extend Private Nodes to bring elasticity and portability to isolated clusters across clouds, private datacenters, and bare metal.
Pods autoscale in Kubernetes, but nodes don’t. Outside managed services, teams fall back on brittle scripts or costly overprovisioning. With vCluster Platform 4.4 + vCluster v0.28, Auto Nodes close the gap, bringing automated provisioning and elastic scaling to isolated clusters across clouds, private datacenters, and bare metal.
vCluster
Platform Engineering
Multi Tenancy
The Case for Portable Autoscaling
The Case for Portable Autoscaling
Sep 4, 2025
|
4
min Read
Kubernetes has pods and deployments covered, but when it comes to nodes, scaling breaks down across clouds, providers, and private infrastructure. Auto Nodes change that.
Kubernetes makes workloads elastic until you hit the node layer. Managed services offer partial fixes, but hybrid and isolated environments still face scaling gaps and wasted resources. vCluster Auto Nodes close this gap by combining isolation, just-in-time elasticity, and environment-agnostic portability.
vCluster
Platform Engineering
Multi Tenancy
Running Dedicated Clusters with vCluster: A Technical Deep Dive into Private Nodes
Running Dedicated Clusters with vCluster: A Technical Deep Dive into Private Nodes
Aug 19, 2025
|
6
min Read
A technical walkthrough of Private Nodes in vCluster v0.27 and how they enable true single-tenant Kubernetes clusters.
Private Nodes in vCluster v0.27 take Kubernetes multi-tenancy to the next level by enabling fully isolated, dedicated clusters. In this deep dive, we walk through setup, benefits, and gotchas, from creating a vCluster with Private Nodes to joining worker nodes and deploying workloads. If you need stronger isolation, simpler lifecycle management, or enterprise-grade security, this guide covers how Private Nodes transform vCluster into a powerful single-tenant option without losing the flexibility of virtual clusters.
Kubernetes Insights
vCluster
Multi Tenancy
Platform Engineering
We’re Now vCluster Labs
We’re Now vCluster Labs
Aug 15, 2025
|
2
min Read
A new name, the same mission, building the best Kubernetes tenancy tools for teams everywhere.
Loft Labs is now vCluster Labs, a name that reflects our focus on building the best Kubernetes multi-tenancy and infrastructure engineering tools. The same team, projects, and mission remain, but with a clearer brand aligned to our product, vCluster.
vCluster
Company
Community
vCluster v0.27: Introducing Private Nodes for Dedicated Clusters
vCluster v0.27: Introducing Private Nodes for Dedicated Clusters
Aug 13, 2025
|
5
min Read
Dedicated, tenant‑owned nodes with a managed control plane, full isolation without running separate clusters.
Private Nodes complete vCluster’s tenancy spectrum: tenants connect their own nodes to a centrally managed control plane for full isolation, custom runtimes (CRI/CNI/CSI), and consistent performance, ideal for AI/ML, HPC, and regulated environments. Learn how it works and what’s next with Auto Nodes.
vCluster
Platform Engineering
Multi Tenancy
Kubernetes Insights
How to Scale Kubernetes Without etcd Sharding
How to Scale Kubernetes Without etcd Sharding
Aug 6, 2025
|
5
min Read
Rethinking Kubernetes scale: avoid the risks of etcd sharding with virtual clusters built for performance, stability, and multi-tenant environments.
Is your Kubernetes cluster slowing down under load? etcd doesn’t scale well with multi-tenancy or 30k+ objects. This blog shows how virtual clusters offer an easier, safer way to isolate tenants and scale your control plane, no sharding required.
vCluster
Platform Engineering
Multi Tenancy
Use Cases
Cost Optimization
Three Tenancy Modes, One Platform: Rethinking Flexibility in Kubernetes Multi-Tenancy
Three Tenancy Modes, One Platform: Rethinking Flexibility in Kubernetes Multi-Tenancy
Aug 5, 2025
|
3
min Read
Why covering the full Kubernetes tenancy spectrum is critical, and how Private Nodes bring stronger isolation to vCluster
In this blog, we explore why covering the full Kubernetes tenancy spectrum is essential, and how vCluster’s upcoming Private Nodes feature introduces stronger isolation for teams running production, regulated, or multi-tenant environments without giving up Kubernetes-native workflows.
Kubernetes Insights
vCluster
Platform Engineering
Multi Tenancy
Scaling Kubernetes Without the Pain of etcd Sharding
Scaling Kubernetes Without the Pain of etcd Sharding
Aug 2, 2025
|
6
min Read
Why sharding etcd doesn’t scale, and how virtual clusters eliminate control plane bottlenecks in large Kubernetes environments.
OpenAI’s outage revealed what happens when etcd breaks at scale. This post explains why sharding isn’t enough, and how vCluster offloads API load with virtual control planes. Benchmark included.
vCluster
LoftLabs
Use Cases
Multi Tenancy
Platform Engineering
vCluster: The Performance Paradox – How Virtual Clusters Save Millions Without Sacrificing Speed
vCluster: The Performance Paradox – How Virtual Clusters Save Millions Without Sacrificing Speed
Jul 31, 2025
|
4
min Read
How vCluster Balances Kubernetes Cost Reduction With Real-World Performance
Can you really save millions on Kubernetes infrastructure without compromising performance? Yes, with vCluster. In this blog, we break down how virtual clusters reduce control plane overhead, unlock higher node utilization, and simplify multi-tenancy, all while maintaining lightning-fast performance.
vCluster
Open Source
Cost Optimization
Multi Tenancy
5 Must-See KubeCon + CloudNativeCon India 2025 Sessions
5 Must-See KubeCon + CloudNativeCon India 2025 Sessions
Jul 30, 2025
|
3
min Read
A curated list of impactful, technical, and thought-provoking sessions to catch at KubeCon + CloudNativeCon India 2025 in Hyderabad.
KubeCon + CloudNativeCon India 2025 is back in Hyderabad on August 6–7! With so many exciting sessions, it can be hard to choose. Here are 5 standout talks you shouldn't miss, from real-world Kubernetes meltdowns to scaling GitOps at Expedia, and even why Kubernetes is moving to NFTables.
Events
Kubecon
Platform Engineering
vCluster
Solving Kubernetes Multi-tenancy Challenges with vCluster
Solving Kubernetes Multi-tenancy Challenges with vCluster
Jul 21, 2025
|
6
min Read
Unlocking Secure and Scalable Multi-Tenancy in Kubernetes with Virtual Clusters
Running multiple tenants on a single Kubernetes cluster can be complex and risky. In this post, Liquid Reply explores how vCluster offers a secure and cost-efficient solution by isolating workloads through lightweight virtual clusters.
Kubernetes Insights
vCluster
Community
Multi Tenancy
NVIDIAScape: How vNode prevents this container breakout without the need for VMs
NVIDIAScape: How vNode prevents this container breakout without the need for VMs
Jul 21, 2025
|
6
min Read
Container breakouts on GPU nodes are real, and just three lines of code can be enough. Discover how vNode neutralizes vulnerabilities like NVIDIAScape without relying on VMs.
NVIDIAScape (CVE-2025-23266) is a critical GPU-related vulnerability that allows attackers to break out of containers and gain root access. While some respond by layering in virtual machines, this blog walks through a better approach, how vNode uses container-native sandboxing to neutralize such attacks at the kernel level without sacrificing performance. Includes a step-by-step replication of the exploit, and a demo of how vNode prevents it.
Kubernetes Insights
vCluster
Platform Engineering
Building and Testing Kubernetes Controllers: Why Shared Clusters Break Down
Building and Testing Kubernetes Controllers: Why Shared Clusters Break Down
Jul 17, 2025
|
4
min Read
How shared clusters fall short, and why virtual clusters are the future of controller development.
Shared clusters are cost-effective, but when it comes to building and testing Kubernetes controllers, they create bottlenecks, from CRD conflicts to governance issues. This blog breaks down the trade-offs between shared, local, and dedicated clusters and introduces virtual clusters as the scalable solution for platform teams.
Kubernetes Insights
vCluster
Multi Tenancy
Platform Engineering
What Is GPU Sharing in Kubernetes?
What Is GPU Sharing in Kubernetes?
Jul 14, 2025
|
4
min Read
How Kubernetes can make GPU usage more efficient for AI/ML teams through MPS, MIG, and smart scheduling.
As AI and ML workloads scale rapidly, GPUs have become essential, and expensive resources. But most teams underutilize them. This blog dives into how GPU sharing in Kubernetes can help platform teams increase efficiency, cut costs, and better support AI infrastructure.
Kubernetes Insights
vCluster
Multi Tenancy
Platform Engineering
Smarter Infrastructure for AI: Why Multi-Tenancy is a Climate Imperative
Smarter Infrastructure for AI: Why Multi-Tenancy is a Climate Imperative
Jul 14, 2025
|
3
min Read
How virtual clusters and smarter tenancy models can reduce carbon impact while scaling AI workloads.
AI’s rapid growth is fueling a silent climate problem: idle infrastructure. This blog explores why multi-tenancy is key to scaling AI sustainably and how vCluster helps teams reduce waste while moving faster.
Kubernetes Insights
vCluster
Community
Platform Engineering
Automating Kubernetes Cleanup in CI Workflows
Automating Kubernetes Cleanup in CI Workflows
Jul 9, 2025
|
4
min Read
Keep your CI pipelines clean and efficient by automating Kubernetes resource cleanup with vCluster and Loft.
Leftover Kubernetes resources from CI jobs can drive up cloud costs and clutter your clusters. This guide shows how to automate cleanup tasks using vCluster, helping you maintain cleaner, faster CI/CD pipelines.
Kubernetes Insights
vCluster
Tutorials
CI/CD Pipelines
Automating Kubernetes Cleanup in CI Workflows
Automating Kubernetes Cleanup in CI Workflows
Jul 9, 2025
|
4
min Read
Keep your CI pipelines clean and efficient by automating Kubernetes resource cleanup with vCluster and Loft.
Leftover Kubernetes resources from CI jobs can drive up cloud costs and clutter your clusters. This guide shows how to automate cleanup tasks using vCluster, helping you maintain cleaner, faster CI/CD pipelines.
Kubernetes Insights
vCluster
Tutorials
CI/CD Pipelines
Bare Metal Kubernetes with GPU: Challenges and Multi-Tenancy Solutions
Bare Metal Kubernetes with GPU: Challenges and Multi-Tenancy Solutions
Jul 1, 2025
|
4
min Read
Why Namespace Isolation Falls Short for GPU Workloads, and How Multi-Tenancy with vCluster Solves It
Managing AI workloads on bare metal Kubernetes with GPUs presents unique challenges, from weak namespace isolation to underutilized resources and operational overhead. This blog explores the pitfalls of namespace-based multi-tenancy, why running a separate cluster per team is expensive, and how vCluster enables secure, efficient, and autonomous GPU sharing for AI teams.
vCluster
LoftLabs
Use Cases
Platform Engineering
Multi Tenancy
How to Set Up a GPU-Enabled Kubernetes Cluster on GKE: Step-by-Step Guide for AI & ML Workloads
How to Set Up a GPU-Enabled Kubernetes Cluster on GKE: Step-by-Step Guide for AI & ML Workloads
Jun 26, 2025
|
8
min Read
Step-by-step guide to setting up a GPU-enabled Kubernetes cluster on GKE for scalable AI and ML workloads.
Running AI or ML workloads on Kubernetes? This tutorial walks you through setting up a GPU enabled GKE cluster, from configuring GPU quotas and node pools to testing workloads and optimizing for multi-team GPU usage with vCluster.
Kubernetes Insights
vCluster
Tutorials
Open Source
Platform Engineering
Technical Guide: Using Spot Instances with vCluster for Significant Savings
Technical Guide: Using Spot Instances with vCluster for Significant Savings
Jun 24, 2025
|
4
min Read
Cut Kubernetes costs by up to 91% using spot instances and vCluster, without compromising workload stability.
Spot instances offer massive savings but come with unpredictability. In this step-by-step guide, learn how to combine them with vCluster to build resilient, cost-effective Kubernetes environments for CI/CD, AI/ML, and more.
Kubernetes Insights
vCluster
Cost Optimization
vCluster vs. HyperShift: Choosing the Right Path for Kubernetes Multi-Tenancy
vCluster vs. HyperShift: Choosing the Right Path for Kubernetes Multi-Tenancy
Jun 11, 2025
|
4
min Read
Compare vCluster and HyperShift to understand which solution delivers better multi-tenancy, efficiency, and compatibility in Kubernetes environments.
As platform engineering teams scale Kubernetes adoption, choosing the right multi-tenancy model becomes crucial. This article compares Red Hat's HyperShift and Loft Labs’ vCluster, highlighting the trade-offs in resource usage, ecosystem compatibility, portability, and vendor lock-in. Learn why vCluster’s lightweight, upstream-native approach is often better suited for modern internal platforms.
vCluster
LoftLabs
Native Ambient Mesh Support with vCluster v0.25
Native Ambient Mesh Support with vCluster v0.25
Jun 11, 2025
|
4
min Read
Enable multi-tenant Kubernetes service mesh with zero sidecars and seamless Istio integration using Ambient Mode and vCluster.
The v0.25 release of vCluster brings native support for Istio’s Ambient Mesh, enabling shared service mesh capabilities across multiple virtual clusters without sidecars. This update dramatically reduces resource overhead, simplifies operations, and boosts scalability in multi-tenant Kubernetes environments.
vCluster
LoftLabs
Multi Tenancy
Kubernetes v1.33: Key Features, Updates, and What You Need to Know
Kubernetes v1.33: Key Features, Updates, and What You Need to Know
May 26, 2025
|
5
min Read
Octarine Unleashed: How Kubernetes 1.33 Changes Everything for Devs & Platform Teams
Kubernetes 1.33, codenamed "Octarine: The Color of Magic", lands with 64 feature updates. This blog dives into the most impactful ones and shows how to try them immediately with vCluster. From in-place pod resizing to ClusterTrustBundle, here’s what’s new.
Kubernetes Insights
vCluster
Open Source
Community
Are you VMweary?
Are you VMweary?
May 21, 2025
|
6
min Read
From mainframes to Kubernetes: Why it might be time to let go of virtual machines.
Kubernetes changed how we build and deploy software, but are you still clinging to virtual machines out of habit? In this post, Scott McAllister walks through the evolution of enterprise computing, from mainframes to microservices, to help you rethink your current infrastructure choices. Is it time to go bare metal?
No items found.
Kubernetes Multi-tenancy: Are You Doing It the Hard Way?
Kubernetes Multi-tenancy: Are You Doing It the Hard Way?
May 17, 2025
|
5
min Read
Virtual clusters with container native isolation on bare-metal
Traditional multi-tenancy in Kubernetes often leads to complex RBAC, noisy neighbors, and security headaches. This post breaks down why platform teams struggle with namespace-based isolation, and how virtual clusters offer a better path forward.
vCluster
Multi Tenancy
What does your infrastructure look like in 2025 and beyond?
What does your infrastructure look like in 2025 and beyond?
May 5, 2025
|
4
min Read
Why Moving from VMware to Kubernetes-native Infrastructure is Critical for Modern Enterprises
Discover why enterprises in 2025 are shifting from traditional VMware based virtual machines to modern, Kubernetes-native architectures. Learn how adopting Kubernetes closer to bare metal simplifies infrastructure, reduces costs, and enhances scalability and efficiency.
Kubernetes Insights
vCluster
Cost Optimization
Platform Engineering
Multi Tenancy
LoftLabs at KubeCon EU 2025
LoftLabs at KubeCon EU 2025
Apr 10, 2025
|
6
min Read
Well, well, well, KubeCon + CloudNativeCon EU 2025 has come to an end, and we made so many friends and memories! Let's review some of the exciting things our team did at KubeCon: Platinum Sponsors at Platform Engineering Day: The buzz around platform engineering and internal deve...
Events
vCluster OSS on Rancher
vCluster OSS on Rancher
Apr 9, 2025
|
2
min Read
There's something new on the Ranch
What about Rancher? Does vCluster work on Rancher? How do we manage virtual clusters on Rancher? Hey, what about Rancher? These are just a few of the questions we have heard over the last couple of years at KubeCon, on the interwebs, and everywhere in between. The answer was alwa...
vCluster
Multi Tenancy
Introducing vNode: Virtual Nodes for Secure Kubernetes Multi-Tenancy
Introducing vNode: Virtual Nodes for Secure Kubernetes Multi-Tenancy
Apr 1, 2025
|
3
min Read
When we first launched vCluster in 2021, our mission was clear: make Kubernetes multi-tenancy easier, safer, and more cost-efficient. Since then, we've helped organizations around the globe manage Kubernetes with greater flexibility and security. But as Kubernetes usage expanded,...
Multi Tenancy
Company
Visit LoftLabs at KubeCon + CloudNativeCon Europe 2025 London
Visit LoftLabs at KubeCon + CloudNativeCon Europe 2025 London
Mar 27, 2025
|
4
min Read
KubeCon is around the corner, and we at LoftLabs are excited to be back for the 2025 Europe Edition! The projected number of attendees speaks to the scale of the cloud-native landscape, and we’re so excited to mark our presence with talks, activities, and being a proud sponsor. V...
Events
vCluster v0.24 - Snapshot & Restore and Sleep Mode Improvements
vCluster v0.24 - Snapshot & Restore and Sleep Mode Improvements
Mar 21, 2025
|
3
min Read
Back it up and put it to sleep
I’m excited to present the updates coming with vCluster v0.24. In this post, we will cover Snapshots and Sleep Mode Improvements. Along with this post, we have a couple of videos that will demo both features. Snapshots Let’s start by talking about Snapshots. While you were always...
Press Releases
One giant Kubernetes cluster for everything
One giant Kubernetes cluster for everything
Mar 10, 2025
|
10
min Read
The ideal size of your Kubernetes clusters is a day 0 question and demands a definite answer. You find one giant cluster on one end of the spectrum and many small-sized ones on the other, with every combination in between. This decision will impact your organization for years to ...
vCluster
Multi tenancy in 2025 and beyond
Multi tenancy in 2025 and beyond
Mar 6, 2025
|
8
min Read
Multi-tenancy in Kubernetes has been an ongoing challenge for organizations looking to optimize their cloud-native infrastructure. Over the years, the approach to multi-tenancy has evolved, from simple namespace isolation to virtual clusters and, more recently, full-fledged inter...
vCluster
Multi Tenancy
Understanding Kubernetes Multi-Tenancy: Models, Challenges, and Solutions
Understanding Kubernetes Multi-Tenancy: Models, Challenges, and Solutions
Feb 27, 2025
|
min Read
Kubernetes was designed for efficient resource sharing, but complexity escalates when multiple teams or users step into the same cluster. As organizations scale, the challenge isn't just about running workloads; it's about how those workloads coexist securely and efficiently.
vCluster
Multi Tenancy
WebAssembly on Kubernetes
WebAssembly on Kubernetes
Feb 24, 2025
|
13
min Read
Like a couple of innovative technologies, different people have different viewpoints on where WebAssembly fits the technology landscape. > WebAssembly (also called Wasm) is certainly the subject of much hype right now. But what is it? Is it the JavaScript Killer? Is it a new prog...
vCluster
Development
Tutorials
Use Cases
Ephemeral PR environment using vCluster
Ephemeral PR environment using vCluster
Feb 24, 2025
|
11
min Read
In a fast-paced development environment, having an isolated and ephemeral environment to test changes for every pull request (PR) is a game-changer. In this blog, I’ll walk you through setting up ephemeral PR environments using vCluster, enabling seamless testing of your applicat...
vCluster
Tutorials
Seamless Kubernetes Multi-Tenancy with vCluster and a Shared Platform Stack
Seamless Kubernetes Multi-Tenancy with vCluster and a Shared Platform Stack
Feb 21, 2025
|
8
min Read
Multi-tenancy in Kubernetes is not a new cooncept; it simply refers to creating isolated spaces for different users, teams, or projects. Many organizations begin by using namespaces to isolate workloads, teams, or projects. However, they soon encounter limitations, such as challe...
vCluster
Tutorials
Pull request testing on Kubernetes
Pull request testing on Kubernetes
Feb 17, 2025
|
7
min Read
vCluster for isolation and costs control
This post is the third and final in my series about running tests on Kubernetes for each pull request. In the first post, I described the app and how to test locally using Testcontainers and in a GitHub workflow. The second post focused on setting up the target environment and ru...
vCluster
Tutorials
CI/CD Pipelines
Syncing Ingress Resources with vCluster on GKE: A Step-by-Step Guide
Syncing Ingress Resources with vCluster on GKE: A Step-by-Step Guide
Feb 16, 2025
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13
min Read
Kubernetes Ingress is the most widely used Kubernetes resource for exposing an application to the outside world. Understanding the concepts and Layer-7 load balancing may sound difficult, but with this article, it won’t be. This article uses Google Kubernetes Engine (GKE) as the ...
vCluster
Reflections on FOSDEM 2025: Innovations, Insights, and a Memorable First Experience
Reflections on FOSDEM 2025: Innovations, Insights, and a Memorable First Experience
Feb 10, 2025
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5
min Read
Attending FOSDEM for the first time was an amazing experience, it was right into the heart of the open-source community. The event was full of energy, innovation, and collaboration, and I’m excited to share some highlights from our experience, especially our time at the DevPod st...
Events
Remote Development made simple with DevPod
Remote Development made simple with DevPod
Jan 28, 2025
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6
min Read
I come relatively late to the subject of Remote Development Environments (also known as Cloud Development Environments). The main reason is that I haven’t worked in a development team for over six years. However, I’m now working for Loft Labs, and we have a RDE product: DevPod. I...
DevPod
Developer Experience
Tutorials
Seamless TLS with vCluster v0.22: Cert-Manager Integration Walkthrough
Seamless TLS with vCluster v0.22: Cert-Manager Integration Walkthrough
Jan 17, 2025
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6
min Read
Introduction With the release of vCluster 0.22, managing TLS certificates for virtual clusters has become much easier with the integration of cert-manager. This new built in integration allows you to issue and manage certificates within virtual clusters while leveraging cert-mana...
vCluster
Kubernetes Insights
CNCF
Tutorials
How to Assign vCluster to Specific Nodes Using Node Selectors
How to Assign vCluster to Specific Nodes Using Node Selectors
Jan 16, 2025
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2
min Read
When deploying a vCluster, you might need to ensure it runs on specific nodes, such as GPU-enabled nodes or production-specific nodes. This can be achieved using node selectors, which limit the scheduling of the vCluster control plane pods to nodes with specific labels. Example C...
vCluster
Put your workloads to sleep with built in Sleep Mode Feature in vCluster
Put your workloads to sleep with built in Sleep Mode Feature in vCluster
Jan 15, 2025
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6
min Read
As Kubernetes usage grows, optimizing resource usage is more critical than ever. The Native Sleep Mode introduced in vCluster 0.22 provides a neat and easy solution for cost savings and efficient resource management. In this blog, we’ll dive deep into the functionality of Sleep M...
vCluster
Kubernetes Insights
Tutorials
Chaos Engineering with Chaos Mesh and vCluster: Testing Close to Production
Chaos Engineering with Chaos Mesh and vCluster: Testing Close to Production
Jan 10, 2025
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12
min Read
Pioneered at Netflix over a decade ago, chaos engineering is a term used to describe the organized and intentional introduction of failures into systems in pre-production or production to understand their outcomes better and plan effectively for these failures. In a previous arti...
vCluster
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