linuxer-admin

yum install bash-completion -y
source <(kubectl completion bash)
echo "source <(kubectl completion bash)" >> ~/.bashrc

kubectl apply -f 파일명
kubectl apply -k ./경로

kubectl create -f 파일

kubectl get node
kubectl get pods
kubectl get pods --all-namespaces
kubectl get service
kubectl get events
kubectl get pv
kubectl get pvc
kubectl get pc

kubectl delete -f 파일명
kubectl delete -k 파일명

#!/bin/sh
setenforce 0
sed -i --follow-symlinks 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
swapoff -a
modprobe br_netfilter
echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install -y docker-ce
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
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

yum install -y kubelet kubeadm kubectl
systemctl enable docker
systemctl enable kubelet
sed -i 's/cgroup-driver=systemd/cgroup-driver=cgroupfs/g' /usr/lib/systemd/system/kubelet.service.d/10-kubeadm.conf

kubeadm init --pod-network-cidr=사용하려는 pod cidr

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config