Category: Cloud
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The source code for this article is available on: GitHub, GitCode. Kubeflow transforms Kubernetes into a self-service platform for AI practitioners and data scientists alike. It incorporates both established and emerging cloud and AI-native projects such as Istio, Envoy and Knative to support the entire MLOps lifecycle: data cleaning and preprocessing, model training, validation and serving etc. Originally developed by Google to…
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Ray is an open source framework for scaling Python applications through distributed computing. The framework focuses on scaling AI/ML training and inference pipelines horizontally through distributed resource allocation and execution, though it can be used in other Python projects as well. Since October 2025, Ray joined the PyTorch Foundation alongside leading open source…
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I purchased the LFS260: Kubernetes Security Essentials course about a month ago and was working through the course material recently in preparation for the Certified Kubernetes Security Specialist (CKS) exam. The course included plenty of hands-on lab exercises covering each topic in detail which I followed through by creating a 2-node kubeadm cluster on…
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The source code for this lab exercise is available on GitHub. Edge computing is an extension of cloud computing and broadly refers to the paradigm where certain computational and data processing tasks are delegated from the cloud to devices residing at the network edge, close to the source of data being collected.…
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The source code for this lab exercise is available on GitHub. In our last article Investigating a failed VolumeSnapshot with NFS on Kubernetes, we saw how using NFS as a storage backend for stateful workloads on Kubernetes is not suitable in a production context due to fundamental limitations of NFS itself. So…
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Consider the following component in my personal website responsible for serving static web assets from an OSS bucket to users. subPath may contain zero or more path components. The bucket donaldsebleung-assets is mounted under /mnt/donaldsebleung-assets/ in the container filesystem within the function assets, which appends the request path subPath to the mount point in order to fetch the…
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Over the past two years, my personal website (i.e. this site) was hosted on a self-managed cloud server running a traditional LAMP stack (Linux, Apache, MySQL, PHP) with neither elasticity nor redundancy, functioning solely as a stub for redirecting all requests to my GitHub profile. Despite this functionality being as trivial…
Donald Sebastian Leung 