Diffblue service logs are saved with other system logs which use
journald. You can
journalctl command to view them.
To see only logs from diffblue service:
journalctl -u diffblue
To see logs only from current boot:
journalctl -u diffblue -b 0
The current boot might have several days of logs. To get a log covering a specific date or time range,
For example, to see the data from yesterday:
journalctl -u diffblue --since yesterday
If there was a service interruption starting today at 6:00 PM and continuing until an hour ago, you could run:
journalctl -u diffblue --since 18:00 --until "1 hour ago"
To see only entries since 7:30:50 PM until 7:31:13 PM on 30th September 2019:
journalctl -u diffblue --since "2019-09-30 19:30:50" --until "2019-09-30 19:31:13"
Logs are shown in pager mode so you are able to scroll though them. If you need to send them to
standard output, for filtering and/or saving in file for support, use
Save logs from today to file
diffblue.log in current folder:
journalctl -u diffblue --since today --no-pager > diffblue.log
For full help run