ERROR: Service 'reporter' failed to build: OCI runtime create failed: container_linux.go:346: starting container process caused "process_linux.go:297: applying cgroup configuration for process caused \"open /sys/fs/cgroup/docker/cpuset.cpus.effective: n..

참고: https://www.reddit.com/r/linuxquestions/comments/dn2psl/upgraded_to_fedora_31_docker_will_not_work/

 

해결법 요약:

1)
vim /etc/default/grub

2)
다음을 GRUB_CMDLINE_LINUX에 추가
systemd.unified_cgroup_hierarchy=0

3)
grub2-mkconfig

4)
PC 재부팅