Solution to the error when installing Docker on CentOS version

1. Version Information

  # cat /etc/system-release
  CentOS Linux release 7.2.1511 (Core) 
  # uname -a
  Linux k8s-daniel-3 3.10.0-327.28.3.el7.x86_64 #1 SMP Thu Aug 18 19:05:49 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

2. Docker installation and errors

Use yum -y install docker to install directly, and then fail to start.

3. Error message

Error message: systemctl status docker.service

Error message: journalctl -xe

4. Solution: Upgrade CentOS

yum -y update

5. Check again

  # cat /etc/system-release
  CentOS Linux release 7.6.1810 (Core) 
  # uname -a
  Linux k8s-daniel-3 3.10.0-327.28.3.el7.x86_64 #1 SMP Thu Aug 18 19:05:49 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux 

6. Reboot

It is very important to reboot, otherwise Docker will not start.

7. Verification, problem solving

Summarize

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