Jussi Nummelin is a tech veteran with 20 or so years in IT and software. Currently a Senior Principal Engineer at Mirantis, he leads the k0s Kubernetes distro development efforts. Jussi embraced containers early, deploying Docker 0.6 to production. Since 2017, he's been working in and around Kubernetes. Being hardheaded he still takes joy from building tools and solutions to bring cloud-native to masses. Beyond tech, he finds peace as an avid fisherman.

Presentations

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Kubernetes and the Dragons in Linux Kernel vs. Userspace Tools

Journey into the realm of Kubernetes, where the Linux kernel and userspace tools sometimes clash, threatening your cluster's harmony. In this talk, we will dive into real-world stories of overcoming incompatibilities that can disrupt your clusters, from iptables quirks to modprobe mysteries. These challenges are not unique but are shared by the entire Kubernetes community. Together, we will explore strategies to tame these dragons and ensure that clusters thrive, with guidelines for harmonizing the Linux kernel and userspace tools.

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