https://github.com/eon01/DockerCheatSheet
curl -fsSL https://get.docker.com | sh;
sudo curl -L "https://github.com/docker/compose/releases/download/1.24.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
Add permission to execute
sudo chmod +x /usr/local/bin/docker-compose
Add permission to the current user into docker group
sudo usermod -aG docker USERNAME
turn off the swap memory to the cluster works fine!
swapoff -a
apt-get update && apt-get install -y apt-transport-https
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list && sudo apt-get update
apt-get install -y kubelet kubeadm kubectl
run kubeadm config images pull
Create pod network (network police)
kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
Run on master:
kubeadm init --apiserver-advertise-address $(hostname -i)
Run kubectl get nodes and see if the all nodes are ready.
Details for this podnetworks
kubectl get pods -n kube-system
https://kubernetes.io/docs/tasks/tools/install-kubectl/#enabling-shell-autocompletion
run kubeadm token create --print-join-command
https://github.com/helm/helm
wget https://storage.googleapis.com/kubernetes-helm/helm-v2.14.0-linux-amd64.tar.gz
tar -zxvf helm-v2.0.0-linux-amd64.tgz
mv linux-amd64/helm /usr/local/bin/helm
or install via Snap
snap install helm --classic
kubectl create serviceaccount --namespace=kube-system tiller
Create a role binding for this service account
kubectl create clusterrolebinding tiller-cluster-role --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
Path the tiller-deploy to add service account
kubectl patch deployments -n kube-system tiller-deploy -p '{"spec": {"template": {"spec": {"serviceAccount": "tiller"}}}}'
For studies only, run on single machine.
curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
add permission to run
chmod +x kubectl && mv kubectl /usr/local/bin/
curl -Lo minikube https://github.com/kubernetes/minikube/releases/download/v0.28.0/minikube-linux-amd64
Add permission to run
chmod +x minikube && mv minikube /usr/local/bin/
docker swarm init --advertise-addr $(hostname -i)
docker node ls
docker swarm join-token manager|worker
docker service create --name nginx -p 80:80 nginx:stable-alpine
Example my image (https://github.com/raisiqueira/simple-py-docker)
docker service create --name rai --image raisiqueira/teste-version:1.0.0
Example image (https://github.com/raisiqueira/simple-py-docker)
docker service update --image raisiqueira/teste-version:2.0.0
docker service ps NOMEDOSERVICO
docker service scale NOMEDOSERVICO=X
docker service inspect --pretty NOMEDOSERVICO
outras opcoes no service create (--update-parallelism, limit-memory, --limit-cpu, --update-parallelism) Dashboard grafana (https://grafana.com/dashboards/1505)