Kubernetes for Humans

Have you ever considered making a massive career pivot after two decades in the exact same field? In this episode, Itiel sits down with Dan Hicks, a Platform Engineer at Boomi, to explore his fascinating transition from a 20-year career as an enterprise Java developer to the fast-paced, ever-evolving world of Kubernetes and infrastructure. Dan breaks down the fundamental similarities and stark differences between application development and platform engineering. He shares the unexpected hurdles he faced during his transition, from complex networking and CoreDNS latency to the harsh realities exposed by chaos testing in cloud environments. Also, get a unique look at how Dan leverages AI in his daily workflow. Discover how he uses tools like Claude, complete with voice control, to map out architectural visions and reduce toil, all while emphasizing that AI is a powerful assistant, not a replacement for human critical thinking. Finally, the episode wraps up with Dan's predictions for the future of Kubernetes, the game-changing impact of the Karpenter autoscaler, and how infrastructure must adapt to support specialized AI workloads and new chipsets.

This episode features Matt Butcher, CEO of Fermyon and creator of Helm, and Ari Weil from Akamai, as they discuss the evolution of the cloud-native ecosystem. They share their professional origins, highlighting how Kubernetes transitioned from a complex tool for experts to a foundational technology for global enterprises. Part of the conversation focuses on the history of Helm, explaining its growth from a simple hackathon project into a standard package manager. Another part takes on the future of distributed computing, specifically how Akamai is integrating infrastructure as a service to support modern workloads. Lastly, a prediction that the next major industry phase will involve the operationalization of AI, where SREs focus on managing intelligence at the edge rather than in centralized regions.

From the early days of "neural nets" and WebSphere to the modern complexities of Kubernetes, Hayato Shimizu has seen the evolution of infrastructure firsthand. In this episode of Kubernetes for Humans, the co-founder of Digitalis joins the show to discuss the harsh realities of enterprise platform engineering and his personal journey from corporate employee to consultancy owner. Hayato recounts his career path starting in the late 1990s, highlighting how early application delivery methods at companies like Citrix served as precursors to modern containerization. He provides expert insights into the challenges of Kubernetes migration, emphasizing the transition from traditional, stateful systems to scalable, cloud-native architectures. The conversation explores the complexities of day-two operations, such as managing unpredictable traffic loads and prioritizing production firefighting over development backlogs. Finally, he touches upon the future of the industry, specifically how AI-driven root cause analysis can streamline incident resolution in high-pressure enterprise environments. Follow Hayato on LinkedIn, and check out Digitalis & AxonOps to learn more about his work in the DevOps ecosystem.

In this episode, Itiel Shwartz kicks off a series on MLOps, LLM, and GenAI in Kubernetes. Starting with Alexei Ledenev, who has over two decades in software development and deep experience in cloud architecture and distributed systems. He shares his journey from CoreOS Fleet to his current role on the Platform Team at Doit. The conversation focuses on tackling the complexity of Kubernetes, which Alexei notes can be overwhelming even for experienced DevOps engineers. He discusses how he developed the idea to leverage AI assistants and the Model Context Protocol (MCP) to access and execute tools like kubectl. This concept creates a "translator between AI and the Kubernetes environment", allowing users to troubleshoot complex cluster issues or quickly create ad hoc testing environments using natural language. They also explore the challenges of implementation, such as hallucination, and how providing context helps the AI self-correct. Looking ahead, Alexei predicts that infrastructure is moving towards self-aware and self-healing platforms that integrate AI deeply.

Meet Dustin Kirkland, VP of Engineering at Chainguard. Dustin shares his fascinating 26-year journey in the tech industry, from IBM and two stints at Canonical to roles at Google (working on GKE), Apex, and Goldman Sachs, eventually leading him back to engineering at Chainguard. Discover how Chainguard is helping secure the software supply chain, focusing on building secure containers primarily for Kubernetes. Learn about the critical problem of software vulnerabilities (CVEs) and how Chainguard's products, including their hardened container images with a zero CVE goal and accelerated patching SLAs, address this challenge. Dustin also introduces their newer initiatives, like Chainguard Libraries, which secures open source dependencies and builds hardened virtual machines (kernels) for Kubernetes worker nodes. He explains Chainguard's automation-driven approach, which allows them to monitor upstream fixes and rapidly rebuild and retest images and libraries.

Join Itiel as he chats with Gianluca Mardente, a Principal Engineer at Cisco Systems. Gianluca shares his path to tech and Kubernetes, including his work history and the inspiration behind his open-source project, Sveltos. They dive into the significant challenges of managing a large fleet of Kubernetes clusters – ensuring consistency, handling upgrades, and coordinating resources across different clusters. Learn how Gianluca's project tackles these 'Day-2 Operations', offering solutions that go beyond simple cluster creation and enable seamless integration of various open-source tools like Crossplane. Check out Sveltos: https://projectsveltos.github.io/sveltos/

In this episode, Sid, CEO of Hathora, discusses building game infrastructure, specifically for hosting dedicated servers. He shares how Hathora tackles the challenges of running stateful, low-latency, high-throughput workloads that reconcile player actions up to 60 times per second. Sid explains their approach using Kubernetes to manage compute across bare metal and cloud VMs, leveraging technologies like Talos and Civo's Omni. He also details the technical hurdles they face with Kubernetes networking (like hostport issues), achieving sub-3-second pod startup times, and optimizing container image pulls, offering insights into the unique demands of the gaming industry and Hathora's growth.Sid is the CEO and co-founder of Hathora, the premier tool for studios to globally scale dedicated servers for their multiplayer video games. Sid comes from a deeply technical background, having led infra teams responsible for $100m+ annual cloud budgets. His team at Hathora is working with some of the most anticipated games of '25 and beyond, including Frost Giant’s Stormgate, Omeda’s Predecessor, and 1047 Games’ Splitgate 2.Follow Sid on LinkedIn: https://www.linkedin.com/in/dsiddharth/ Learn more about Hathora at hathora.dev

In this special KubeCon edition episode of the Kubernetes for Humans podcast, Itiel meets with Lukas Gentele, CEO and co-founder of Loft Labs. Discover why Lukas believes multi-tenancy is a major obstacle in Kubernetes adoption and how Loft Labs is tackling this challenge through innovative projects like vCluster, a "super famous project" for running virtual Kubernetes clusters. Learn about the journey that led to vCluster's creation, stemming from the challenges of running a multi-tenant PaaS offering. Lukas also shares insights into the adoption of vCluster, including surprising stories of users running thousands of virtual clusters. The episode further explores Loft Labs' philosophy on balancing open source and commercial offerings. The highlight? The announcement of vNode, a brand new commercial product for virtualizing nodes and achieving node-level security to separate vClusters even further. Understand the limitations of existing solutions like micro-VMs and GVisor and how VNode offers a lightweight alternative using Linux kernel magic. Finally, Lukas shares his prediction on the future of virtualization, suggesting a shift away from traditional VMs towards lighter-weight solutions like VNode. Check out Loft Labs: https://www.loft.sh/Learn more about vNode: https://www.vnode.com/

In this episode, Itiel sits down with Kasper, a Developer Advocate at Dash0. Kasper discusses his background, including his extensive experience building platforms on Kubernetes at Lunar, a Nordic challenger bank. He shares insights into the challenges and successes of using cutting-edge cloud-native technologies in a regulated banking environment. Kasper also touches upon his involvement in the CNCF community as an ambassador and co-chair for KubeCon. The discussion explores Lunar's philosophy of leveraging open-source projects and their journey of adopting Kubernetes and other cloud-native tools. Kasper also explains his move to Dash0, emphasizing his passion for observability and the potential of Open Telemetry.

In this episode of Kubernetes for Humans, we speak with Ahmed Bebars, a Principal Engineer at the New York Times and a CNCF Ambassador, who offers a unique perspective on cloud native technologies. Ahmed recounts his professional journey in accounting before transitioning into the technology sector, leading to his current deep involvement with the Kubernetes ecosystem. He shares his initial introduction to Kubernetes almost a decade ago, recognizing its capabilities in container orchestration. Ahmed provided his insights on the appropriate use cases for Kubernetes, emphasizing the importance of identifying the problem before selecting a solution. The discussion also covers service mesh technologies such as Istio, along with Ahmed's perspective on their complexities and benefits. Looking ahead, he shares his thoughts on the evolution of the Kubernetes ecosystem, including the potential impact of GenAI. Follow Ahmed on Linkedin and Youtube Don't miss Ahmed's upcoming KubeCon talk!

This episode of "Kubernetes for Humans" features Dan Ciruli, a Senior Director of Product Management at Nutanix, who shares his journey in tech and his perspective on the evolution of cloud-native technologies. Ciruli discusses his early career as an engineer and his transition to product management, noting that the role was not well-defined in the 1990s. He recounts his experiences with startups, Google, and D2IQ (formerly Mesosphere), highlighting the rise of Docker and projects like Mesos. He emphasizes that the creation of the CNCF and support from major tech companies were key factors in Kubernetes becoming the dominant platform, stating "the CNCF was really the genius". Ciruli also explains that D2IQ pivoted to Kubernetes to focus on making it more usable for enterprises. Ciruli discusses Nutanix's acquisition of D2IQ to enhance their container management offerings. He explains that Nutanix, founded by ex-Google engineers, sought to expand beyond VMs and needed a "good container story". According to a survey he references, 92% of companies running Kubernetes in production do not want developers managing infrastructure, and 86% of companies want to run VMs and containers on the same infrastructure. Ciruli predicts that the Kubernetes API will be the future, with various implementations and that the ultimate success for Kubernetes will be when the specific implementation does not matter. He believes the API will enable declarative deployment of applications across different environments, and notes that "the API will have lots of different implementations, but that will be that declarative deployment of applications".

Mirko, co-founder and former CEO of Instana, led the Application Performance Management company for microservices to its successful acquisition by IBM in late 2020. In May 2023, he co-founded Dash0, an OpenTelemetry-native observability solution, furthering his contributions to the observability field. An active angel investor, Mirko supports over 60 tech startups, showcasing his dedication to fostering innovation and emerging technologies. Follow Mirko on Linkedin and X.