5.2. Checking journal logs after updates

Procedure

• Get comprehensive MicroShift journal logs by running the following command:

  $ sudo journalctl -u microshift

• Check the Greenboot journal logs by running the following command:

  $ sudo journalctl -u greenboot-healthcheck

• Examining the comprehensive logs of a specific boot uses three steps. First list the boots, then select the one you want from the list you obtained:

  • List the boots present in the journal logs by running the following command:

    $ sudo journalctl --list-boots

    Example output

    IDX  BOOT ID                          	FIRST ENTRY                 LAST ENTRY
     0   681ece6f5c3047e183e9d43268c5527f 	<Day> <Date> 12:27:58 UTC 	<Day> <Date>> 13:39:41 UTC
    #....

  • Check the journal logs for the specific boot you want by running the following command:

    $ sudo journalctl --boot <idx_or_boot_id> 

    1

    1

    Replace <idx_or_boot_id> with the IDX or the BOOT ID number assigned to the specific boot that you want to check.

  • Check the journal logs for the boot of a specific service by running the following command:

    $ sudo journalctl --boot <idx_or_boot_id> -u <service_name> 

    1

    2

    1

    Replace <idx_or_boot_id> with the IDX or the BOOT ID number assigned to the specific boot that you want to check.

    2

    Replace <service_name> with the name of the service that you want to check.