Getting a token to auth Kubernetes in Jenkins

eksctl utils write-kubeconfig –cluster=MyEKS
kubectl create ns jenkins
kubectl create serviceaccount jenkins –namespace jenkins
kubectl create rolebinding jenkins-admin-binding –clusterrole admin –serviceaccount jenkins:jenkins –namespace jenkins
kubectl create token jenkins –namespace jenkins

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Updating the kernel on Centos 7

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
yum install -y https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
yum --enablerepo=elrepo-kernel install -y kernel-lt

Required package to create buildroot images

Buildroot is a system for creating Linux based operating systems with a fully customisable arrangement. Buildroot can be run in any Linux environment but on Ubuntu it requires a few extra packages:

sudo apt install build-essential clang flex bison g++ gawk gcc-multilib g++-multilib gettext git libncurses5-dev libssl-dev python3-distutils rsync unzip zlib1g-dev file wget