On 12/07/2015 09:04 AM, Farkas Levente wrote: > hi, > according to the wiki page: > https://wiki.centos.org/Cloud/Docker > there should have to be a docker group exists in docker rpm. This was the case. The group has since been removed by default as upstream (RH) considers it a GIANT security hole (spoiler: they're right). > --------------------------- > sudo usermod -a -G docker <your-user> > --------------------------- > is this still valid? Yes, but you first have to add the docker group yourself. > or how can an average user can run docker without sudo? a simple "groupadd docker" will work, then restart the docker service and add your user to that group. Note, it's *trivial* to escalate this to gain root on the host system, so using the docker group is essentially passwordless sudo. -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77