TIPS Kubernates Project
Prereq project:
- Virtual Machine Linux - Docker Framework
Oracle Linux 8:
Problema pods c'e' installato un "coso" alternativo docker: https://www.ibm.com/docs/en/eam/4.2?topic=questions-troubleshooting-tips#uninstall_podman
yum remove buildah skopeo podman containers-common atomic-registries docker container-tools -y
Docker Framework: https://docs.docker.com/engine/install/centos/
Creazione un utente di gestione (simil ansible)
[root@minikube01 ~]# cd /etc [root@minikube01 etc]# vi group
Add user generic es. admin in /etc/group gruppo docker
minikube config set driver docker minikube start
kubectl port-forward service/hello-minikube 8080:8080 --address='0.0.0.0'
In caso di riavvio della macchina da utente admin:
http://10.2.2.35:7080/
minikube start
Links:
https://amalgjose.com/2021/06/08/how-to-configure-kubernetes-port-forward-bind-to-0-0-0-0-instead-of-default-127-0-0-1/ https://docs.docker.com/engine/install/centos/ https://minikube.sigs.k8s.io/docs/start/
-- Oracle Linux 9.3 --
sudo yum update sudo yum install yum-utils sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install docker-ce docker-ce-cli containerd.io sudo systemctl start docker sudo systemctl enable docker
Test:
sudo docker --version
sudo tee /etc/yum.repos.d/kubernetes.repo <<EOF [kubernetes] name=Kubernetes baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch enabled=1 gpgcheck=1 repo_gpgcheck=1 gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg EOF
sudo yum install -y kubelet kubeadm kubectl