DevTech101

DevTech101

etcd

CoreOS Kubernetes Configuration Generator. Now Supports Kubernetes 1.13, RBAC, Bootstrapping, More

CoreOS Kubernetes configuration generator, updated to support Kubernetes 1.13.x Kubernetes configuration generator now configures/supports Kubernetes version 1.13.x, RBAC, Bottstraping and much more. Version 0.7 NEW! version 0.7 works with Kubernetes 1.13.1+ NEW: Updated the script to configure / work with Kubernetes 1.13.1. Note: The current updated version will most likely not work with older Kubernetes …

CoreOS Kubernetes Configuration Generator. Now Supports Kubernetes 1.13, RBAC, Bootstrapping, More Read More »

Installing a Kubernetes 1.11 Cluster On CentOS 7.5(1804) The Manual Way – Install/configure the Kubernetes VM – Part 2

Installing, configuring 3 node Kubernetes(master) cluster on CentOS 7.5 – configure the Kubernetes VM’s In Part 1 I described how to install and configure the bear-metal OS hosting all the Kubernetes VM’s, below I am continuing with with the installation and configuration of all Kubernetes VM/masters. Part 1: Initial setup – bear-metal installation, configuration Part …

Installing a Kubernetes 1.11 Cluster On CentOS 7.5(1804) The Manual Way – Install/configure the Kubernetes VM – Part 2 Read More »

Creating, Hosting Your Own CoreOS Rkt App Container Images(ACI)

Creating, Hosting your own CoreOS Rkt (ACI) Images Creating your own (ACI) package The document below uses the ACI image format since we are dealing with Rkt. in the future Rkt might switch to the OCI format. to note Docker is using the OCI image format, which is part of the opencontainer initiative. The steps …

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Kubernetes CoreOS Ignition Configuration Generator – Part 6

Kubernetes CoreOS Ignition Configuration Generator Written in Python. In the previous post I went through how to Configuring Kubernetes Træfik Ingress Controller, DNS, Dashboard. below are examples to use a small Python script I have written to automate most of the Kubernetes deployment process. Note: Get going in minutes with a full Kubernetes cluster by …

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Configuring Kubernetes Træfik Ingress Controller, DNS, Dashboard – Part 5

Adding Ingress, DNS and or Dashboard to Kubernetes In the previous post I went through how to finalize the kubelet configuration to use RKT and Flannel/CNI. below are examples on how to configure and use Træfik as an Ingress Controller, as well as Kube-dns and Kube-dashboard configuration(coming soon). I divided the configuration into parts outlined …

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CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 1

CoreOS Ignition Configuration Files In my configuration below I am using a Virtualbox VM, to see how to configure those VM’s you can read this.. Note: The YAML files below are outdated and will only work with kubernetes v1.8.0. For a copy of the most recent examples kubernetes version v.1.13.x+, is available on my GitHub …

CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 1 Read More »

CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 3

CoreOS Ignition Configuration Files In my configuration below I am using a Virtualbox VM, to see how to configure those VM’s you can read this.. Note: The YAML files below are outdated and will only work with kubernetes v1.8.0. For a copy of the most recent examples kubernetes version v.1.13.x+, is available on my GitHub …

CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 3 Read More »

CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 2

CoreOS Ignition Configuration Files In my configuration below I am using a Virtualbox VM, to see how to configure those VM’s you can read this.. Note: The YAML files below are outdated and will only work with kubernetes v1.8.0. For a copy of the most recent examples kubernetes version v.1.13.x+, is available on my GitHub …

CoreOS – Container Linux / 3 Node Linux Sample Configs – Node 2 Read More »

Configuring Kubernetes 3 Node Cluster On CoreOS Kubelet, RKT, CNI – Part 4

In the previous post I went through how to create the Kubernetes manifests, below I am continuing with the final Kubelet, rkt, cni configuration. I divided the Kubernetes configuration into parts outlined below (still working progress). Part 1: Initial setup – getting CoreOS, prepare SSL certificates, etc. Part 2: Configure Etcd key value store, Configure …

Configuring Kubernetes 3 Node Cluster On CoreOS Kubelet, RKT, CNI – Part 4 Read More »

Configuring Kubernetes 3 Node Cluster On CoreOS Kubelet Manifests – Part 3

In the previous post I went through how to configure Etcd and Flannel, below I am continuing with the Kubelet manifests configuration. I divided the Kubernetes configuration into parts outlined below (still working progress). Part 1: Initial setup – getting CoreOS, prepare SSL certificates, etc. Part 2: Configure Etcd key value store, Configure Flannel. Part …

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