The jsonpath is used to filter specific fields from json tree in k8s cluster. pod json first of all we need to understand and familiar with json tree structure for pod. kubectl get pods -o json from output we will see top level objects: – apiVersion – items – metadata …
Demo how to build up multi nodes k8s cluster on hyper-v with Vagrant. Will address few pain points: NAT static ip adaptor in hyper-v, needed for permanent k8s API server reset static ip in vagrant provision before installation and configuration Docker installation script Following up Docker official Ubuntu installation procedure, …
We talk about WSL1 here on win10 early version. The main limitation between WSL1 and WSL2 is that WSL1 is not full Linux, everything looks good just without Linux Kernel so cannot run docker and k8s server version, only client version to work with remote vm; however WSL2 has full …
Deploy multi nodes k8s cluster using minikube on win10 The minikube is single node cluster tool for test/dev purpose. The demand from community asked multi nodes cluster for long time, finally this experimental feature comes out, it seems working well so far. Let’s test bit on win10. install minikube on …
Launch multi node k8s cluster using minikube on macOS The minikube is single node cluster tool for test/dev purpose. The demand from community asked multi nodes cluster for long time, finally this experimental feature comes out, it seems working well so far. install minikube on macOS It is easy to …
How to deploy k8s cluster using vagrant? The previous post show you how to launch k8s 1.21.4 cluster on ubuntu 20.04 using vagrant in few mins, this post will tell you whole secret how this happens in the back. Tool chain: win10 Virtulbox 6.0: hypervisior for VM packer 1.6.1: vagrant …
Launch Ubuntu 20.04 k8s 1.21.4 cluster using vagrant box dreamcloud/ubuntu20-k8s is a k8s dev ready box, here is demo to show how to launch a 3 nodes k8s cluster in few mins using vagrant. tool set Vagrant 2.2.10 Virtualbox 6.1 prepare Vagrantfile $ mkdir /mnt/c/vagrant/ub20k8s $ curl -LO https://raw.githubusercontent.com/robertluwang/dreamcloud-vagrant/master/ubuntu20-k8s/Vagrantfile assume …
launch dev vm it is based on my dev ready vagrant box dreancloud/centos7. create project folder $ mdkir ~/vagrant/centos7k8sbox $ cd ~/vagrant/centos7k8sbox prepare the Vagrantfile, then boot up the vm, $ vagrant up Bringing machine ‘centos7k8s’ up with ‘virtualbox’ provider… ==> centos7k8s: Importing base box ‘dreamcloud/centos7’… ==> centos7k8s: Matching MAC …
launch k8s cluster using vagrant box dreamcloud-centos7k8s dreamcloud/centos7k8s is a docker/k8s ready box, here is demo to show how to launch a 2 nodes k8s cluster in few mins using vagrant. tool set vagant 2.0.1 virtualbox 5.1.30 cmder/msys64, I use portabledevops which seamless integrated with vagrant/virtualbox prepare Vagrantfile $ cd …
launch ubuntu dev vm it is based on my dev ready vagrant box dreamcloud/ubuntu17.10. create project folder $ mdkir ~/vagrant/ub17k8sbox $ cd ~/vagrant/ub17k8sbox prepare the Vagrantfile, then boot up the vm, $ vagrant up $ vagrant ssh reset ssh keypair The reason I re-init ssh keypair for new vm ub17k8s …