systemctl start docker.service 后, journalctl -xe 查看详细报错如下 failed to start daemon: Devices cgroup isn't mounted node01 systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE node01 systemd[1]: Failed to start Docker Application Container Engine. -- Subject: Unit docker.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit docker.service has failed. -- -- The result is failed. 参照此链接编辑脚本并运行 https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount 再次重启即可 参考链接: https://blog.csdn.net/red_sky_blue/article/details/124278600