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  • Thumbnail for Kubernetes Storage on Azure 3 of 3 – Ceph by Rook

    Kubernetes Storage on Azure 3 of 3 – Ceph by Rook

    In the last two posts, I covered the native storage options on Azure Kubernetes Service, as well as Portworx as an example of a proprietary…

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  • Thumbnail for Etcd – the key-value store for Kubernetes

    Etcd – the key-value store for Kubernetes

    Etcd in Kubernetes In Kubernetes architecture, etcd is the data store. It stores the desired state of Kubernetes object. API server is the only client…

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  • Thumbnail for Logging and Monitoring in Kubernetes with PLG stack

    Logging and Monitoring in Kubernetes with PLG stack

    We’ve checked out the the actors in PLG stack (Promtail, Loki, Node Exporter, Prometheus, Grafana) and whipped up a quick pipeline on MacOS. Now I’m…

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  • Certified Kubernetes Administrator (CKA) Exam

    The Certified Kubernetes Administrator (CKA) exam is a hands-on session where you need to follow the instructions to configure the system in a bash terminal…

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  • Blockchain and DeFi

    Background This is a reading note for book “How to DeFi“. When Tom hand in $20 to Jack in exchange of goods. Both Tom and…

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  • High Performance Computing

    Overview High Performance Computing (HPC) has recently been commoditized with the advent of commodity server hardware (x86 server), virtualization technology and cloud delivery model. It…

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