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  • Stop docker service on your host:
    • (sudo) systemctl stop docker
  • Update your packages (you may need to accept the update):
    • (sudo) apt/yum update
  • Upgrade your packages (you may need to accept the upgrade):
    • (sudo) apt/yum upgrade
  • Reboot your system:
    • (sudo) reboot
  • Check docker status (it should running):
    • (sudo) systemctl status docker

Error possibilities when upgrading Linux:

  • Docker may not start after the upgrade.
    • This happens if the docker has also been updated and it connects to our management server.
    • Fix:
      • Open the /lib/systemd/system/docker.service file and remove the following part from the line starting with ExecStart:
        • -H unix:// OR -H fd://
        • Example:
          • From: ExecStart=/usr/bin/dockerd -H fd:// –containerd=/run/containerd/containerd.sock
          • To: ExecStart=/usr/bin/dockerd –containerd=/run/containerd/containerd.sock


If the error persists please contact us at!