Error Installing on ubuntu 14.04 LTS

[ThaSami]

Error is 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Setting up docker.io (1.6.2~dfsg1-1ubuntu4~14.04.1) ... addgroup: The groupdocker' already exists as a system group. Exiting. /etc/init.d/docker: 71: /etc/init.d/docker: cgroupfs_mount: not found invoke-rc.d: initscript docker, action "start" failed. dpkg: error processing package docker.io (--configure): subprocess installed post-installation script returned error exit status 127 Setting up cgroup-lite (1.9) ... invoke-rc.d: unknown initscript, /etc/init.d/cgroup-lite not found. dpkg: error processing package cgroup-lite (--configure): subprocess installed post-installation script returned error exit status 100 Errors were encountered while processing: docker.io cgroup-lite E: Sub-process /usr/bin/dpkg returned an error code (1) NodeJS setup Complete docker.io: unrecognized service Creating Docker Image FATA[0000] Post http:///var/run/docker.sock/v1.18/build?cpusetcpus=&cpushares=0&dockerfile=Dockerfile&memory=0&memswap=0&rm=1&t=virtual_machine: dial unix /var/run/docker.sock: no such file or directory. Are you trying to connect to a TLS-enabled daemon without TLS? Retrieving Installed Docker Images FATA[0000] Get http:///var/run/docker.sock/v1.18/images/json: dial unix /var/run/docker.sock: no such file or directory. Are you trying to connect to a TLS-enabled daemon without TLS? `