1. Check whether the relevant version of the operating system meets the prerequisites for installing docker
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" > /etc/apt/sources.list.d/docker.list3. Then check whether the network can be connected, and finally update the source package, as shown below:
apt-cache search docker
apt-get install docker-engine5. If there is no problem with the above installation, finally we use the command:
docker versionto check the installed docker version, as shown in the figure below, we It worked.
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