Home >Operation and Maintenance >Docker >What to do if the docker service cannot be restarted
The specific solutions are as follows:
Delete the docker installation package
(Note: When doing the following operations, be sure to do so in advance Back up, otherwise all the data in your docker container will be lost)
rm -rf /var/lib/docker
Then reinstall docker
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo sudo yum install docker-ce
To avoid that the docker service still cannot be restarted, we make the following configuration:
Configure DOCKER_HOST
sudo vim /etc/profile.d/docker.sh
Add the following content:
export DOCKER_HOST=tcp://localhost:2375
Make the configuration file effective
source /etc/profile source /etc/bashrc
Configure startup file
sudo vim /lib/systemd/system/docker.service
Modify the following statement
ExecStart=/usr/bin/dockerd -H unix://
Modify it to:
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock -H tcp://0.0.0.0:7654
Reload configuration and restart
sudo systemctl daemon-reload sudo systemctl restart docker.service
Recommended tutorial:docker tutorial
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