`ros` and `system-docker` command requires user to be the root user,
when we running them without using sudo, it will print the follow:
[rancher@rancher ~]$ ros os list
ERRO[0000] Failed to read /var/lib/rancher/conf/cloud-config.d: open
/var/lib/rancher/conf/cloud-config.d: permission denied
ERRO[0000] Error reading config files err=open
/var/lib/rancher/conf/cloud-config.yml: permission denied
files=[/var/lib/rancher/conf/cloud-config.yml]
ERRO[0000] Failed [1/4] 25%
ERRO[0000] Failed to load config
......
......
FATA[0000] open /var/lib/rancher/conf/cloud-config.yml: permission
denied
and
[rancher@rancher ~]$ system-docker restart docker
Failed to kill container(docker): Cannot connect to the Docker daemon.
Is the docker daemon running on this host?
this patch make the tips more clear and simple.
Signed-off-by: Wang Long <long.wanglong@huawei.com>
