Service docker start not work(daemon), ubuntu-15.10, To run dockerfile with intelliJ - linux

Question

I have installed docker on ubuntu 15.10 but it does not start, these are the console outputs, I'm new with this from docker, try installing docker from this tutorial https://tecadmin.net/install-and-manage-docker-on-ubuntu/
My interest is to be able to run my dockerfile from intellij
service docker start
root#rubnPC:/var/lib/docker# service docker start
Job for docker.service failed because the control process exited with error
code. See "systemctl status docker.service" and "journalctl -xe" for details.
systemctl status docker.service
root#rubnPC:/var/lib/docker# systemctl status docker.service
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset:
enabled)
Active: failed (Result: exit-code) since sáb 2017-06-03 18:24:42 VET; 3min
18s ago
Docs: https://docs.docker.com
Process: 21270 ExecStart=/usr/bin/dockerd -H fd:// (code=exited,
status=1/FAILURE)
Main PID: 21270 (code=exited, status=1/FAILURE)
jun 03 18:24:42 rubnPC systemd[1]: Starting Docker Application Container
Engine...
jun 03 18:24:42 rubnPC dockerd[21270]: time="2017-06-03T18:24:42.614560352-
04:30" le...id"
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Main process exited,
code=exited,...URE
jun 03 18:24:42 rubnPC systemd[1]: Failed to start Docker Application
Container Engine.
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Unit entered failed
state.
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Failed with result 'exit-
code'.
Hint: Some lines were ellipsized, use -l to show in full.
journalctl -xe
root#rubnPC:/var/lib/docker# journalctl -xe
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.service has begun starting up.
jun 03 18:24:42 rubnPC dockerd[21270]: time="2017-06-03T18:24:42.614560352-
04:30" level=fa
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Main process exited,
code=exited, statu
jun 03 18:24:42 rubnPC systemd[1]: Failed to start Docker Application
Container Engine.
-- Subject: Unit docker.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.service has failed.
--
-- The result is failed.
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Unit entered failed
state.
jun 03 18:24:42 rubnPC systemd[1]: docker.service: Failed with result 'exit-
code'.
jun 03 18:24:42 rubnPC polkitd(authority=local)[865]: Unregistered
Authentication Agent fo
jun 03 18:31:24 rubnPC polkitd(authority=local)[865]: Registered
Authentication Agent for
jun 03 18:31:24 rubnPC systemd[1]: Listening on Docker Socket for the API.
-- Subject: Unit docker.socket has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has finished starting up.
System-Info
rubn _> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.10
Release: 15.10
Codename: wily
Docker version
rubn _> docker version
Client:
Version: 1.12.6
API version: 1.24
Go version: go1.6.4
Git commit: 78d1802
Built: Tue Jan 10 20:32:39 2017
OS/Arch: linux/amd64
Cannot connect to the Docker daemon. Is the docker daemon running on this
host?
Kernel Version
rubn _> uname -a
Linux rubnPC 4.2.0-42-generic #49-Ubuntu SMP Tue Jun 28 21:26:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
UPDATE: dockerfile
# Set the WILDFLY_VERSION env variable ENV WILDFLY_VERSION 10.0.0.Final ENV WILDFLY_SHA1 c0dd7552c5207b0d116a9c25eb94d10b4f375549
ENV JBOSS_HOME /opt/jboss/wildfly
# Add the WildFly distribution to /opt, and make wildfly the owner of the extracted tar content
# Make sure the distribution is available from a well-known place
RUN cd $HOME \
&& curl -O https://download.jboss.org/wildfly/$WILDFLY_VERSION/wildfly-$WILDFLY_VERSION.tar.gz \
&& sha1sum wildfly-$WILDFLY_VERSION.tar.gz | grep $WILDFLY_SHA1 \
&& tar xf wildfly-$WILDFLY_VERSION.tar.gz \
&& mv $HOME/wildfly-$WILDFLY_VERSION $JBOSS_HOME \
&& rm wildfly-$WILDFLY_VERSION.tar.gz
# Ensure signals are forwarded to the JVM process correctly for graceful shutdown
ENV LAUNCH_JBOSS_IN_BACKGROUND true
# Expose the ports we're interested in
EXPOSE 8080
# Set the default command to run on boot
# This will boot WildFly in the standalone mode and bind to all interface
CMD ["/opt/jboss/wildfly/bin/standalone.sh", "-b", "0.0.0.0"]
ADD ROOT.war /opt/jboss/wildfly/standalone/deployments/
/etc/default/docker
# Docker Upstart and SysVinit configuration file
#
# THIS FILE DOES NOT APPLY TO SYSTEMD
#
# Please see the documentation for "systemd drop-ins":
# https://docs.docker.com/engine/articles/systemd/
#
# Customize location of Docker binary (especially for development testing).
#DOCKERD="/usr/local/bin/dockerd"
# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
# If you need Docker to use an HTTP proxy, it can also be specified here.
#export http_proxy="http://127.0.0.1:3128/"
# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"
Solved
Docker can't connect to docker daemon

Answer 1

Can you post the contents of /etc/default/docker?
It seems you have invalid content that is failing the startup. I'm guessing you have fd:// in it. If you do, just remove that & then try restarting docker just as before.