https://docs.docker.com/desktop/install/linux-install/
sudo swapoff -a
vi vi /etc/default/grub
# 다음 내용 추가
GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1"
# Grub update
update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.13.0-74-generic
Found initrd image: /boot/initrd.img-3.13.0-74-generic
done
sudo reboot
sudo cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
br_netfilter
EOF
sudo cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward=1
net.ipv4.conf.default.forwarding=1
EOF
sudo sysctl --system