Symptoms:
在CentOS 7 上使用yum安装docker后,无法启动,报:
# service docker start
Redirecting to /bin/systemctl start docker.service
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.
通过# systemctl status docker.service 命令查看日志,有如下错误:(关键是高亮的那一句)
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Thu 2018-03-22 11:01:13 EDT; 4s ago
Docs: http://docs.docker.com
Process: 2948 ExecStart=/usr/bin/dockerd-current --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current --default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd --userland-proxy-path=/usr/libexec/docker/docker-proxy-c