Linux deployment docker appears: failed to start docker.service : unit not found
linux has deployed k8s and other projects before, Some of the remaining dockers are damaged
after re installation, the service always fails: failed to start docker.service : unit not found
warning: if applicable to my situation, it needs to be reinstalled

solution:
Direct Yum update
be sure to restart Linux
Yum install docker
systemctl start docker.service

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