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? `