에러해결 [WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/

현재 cgroup 드라이버 확인하기

# docker info | grep -i cgroup

Cgroup Driver: cgroupfs

Cgroup Version: 1

 

도커 데몬 편집하기 (없으면 생성)

 vim /etc/docker/daemon.json
 {
  "exec-opts": ["native.cgroupdriver=systemd"]
}

 

 

결과 확인하기

systemctl daemon-reload 
systemctl restart docker

docker info | grep -i cgroup