clear-noneendexit-docker.sh

#!/bin/bash

docker rmi $(docker images | grep "^<none>" | awk '{print $3}')

docker rm $(docker ps -a | grep Exit | cut -d ' ' -f 1)

disable-swap.sh

#!/bin/bash

sed -i '/swap/d' /etc/fstab
swapoff -a

install-docker.sh

#!/bin/bash
echo "otw install docker boss"

sudo apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo apt-key fingerprint 0EBFCD88

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
   
sudo apt-get install docker-ce docker-ce-cli containerd.io -y

## allow permission
sudo usermod -a -G docker $USER

install-kubeadm.sh

#!/bin/bash
echo "otw install kubeadm boss"

sudo apt-get update && sudo apt-get install -y apt-transport-https curl
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
sudo apt-get update
sudo apt-get install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl