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We have installed docker 17.12 in our Centos 7.x and after the installation is complete, am facing an error while trying to start the docker service. Initially, I tried for systemctl docker start then for more output on this when I tried journalctl it says docker.service entered failed state.

More details below:

Docker :
17.12.1-ce , build 7390fc6

Command tried:
sudo systemctl start docker
journalctl -u docker.service

Expected Output:
Docker service should be started successfully

Actual output:
Mar 26 23:51:19  docker[16420]: See 'docker --help'
Mar 26 23:51:19  systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Mar 26 23:51:19  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:51:19  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:51:19  docker.service failed.
Mar 26 23:51:21  systemd[1]: docker.service holdoff time over, scheduling restart.
Mar 26 23:51:21 systemd[1]: start request repeated too quickly for docker.service
Mar 26 23:51:21  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:51:21  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:51:21  systemd[1]: docker.service failed.
Mar 26 23:52:22  systemd[1]: Starting Docker Application Container Engine...
Mar 26 23:52:22  docker[16582]: docker: 'daemon' is not a docker command.
Mar 26 23:52:22  docker[16582]: See 'docker --help'
Mar 26 23:52:22  systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Mar 26 23:52:22  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:52:22  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:52:22  systemd[1]: docker.service failed.                                                                                  
Mar 26 23:52:24  systemd[1]: docker.service holdoff time over, scheduling restart.
Mar 26 23:52:24  systemd[1]: Starting Docker Application Container Engine...
Mar 26 23:52:25  docker[16601]: docker: 'daemon' is not a docker command.
Mar 26 23:52:25  docker[16601]: See 'docker --help'
Mar 26 23:52:25  systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Mar 26 23:52:25  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:52:25  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:52:25  systemd[1]: docker.service failed.
Mar 26 23:52:27  systemd[1]: docker.service holdoff time over, scheduling restart.
Mar 26 23:52:27  systemd[1]: Starting Docker Application Container Engine...
Mar 26 23:52:27  docker[16619]: docker: 'daemon' is not a docker command.
Mar 26 23:52:27  docker[16619]: See 'docker --help'
Mar 26 23:52:27  systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Mar 26 23:52:27  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:52:27  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:52:27  systemd[1]: docker.service failed.
Mar 26 23:52:29  systemd[1]: docker.service holdoff time over, scheduling restart.
Mar 26 23:52:29  systemd[1]: start request repeated too quickly for docker.service
Mar 26 23:52:29  systemd[1]: Failed to start Docker Application Container Engine.
Mar 26 23:52:29  systemd[1]: Unit docker.service entered failed state.
Mar 26 23:52:29  systemd[1]: docker.service failed.

Please check on this issue and help us resolve the docker start issue.

fatihyildizhan
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Manigandan Thanigai Arasu
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2 Answers2

0

no evidence in your log.

Would you just reinstall with the official way ? 

$ curl -fsSL https://get.docker.com -o get-docker.sh
$ sh get-docker.sh
paco alcacer
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0

Check if there's another issue with:

sudo dockerd --debug

In my situation I had invalid config in the daemon.json.

sofhv
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