log log query

1: Press time query grep '2019-06-10 10:. 3 [2-9]' xxxx.log;
2: Press keyword query cat xxxx.log | grep -C 10 'Task Task Task' --color
. 3 : press Enter keyword query less xxxx.log then? Keyword (front to back is / are back to front?)
4: Search Keyword sed -n Over Time '/ 2019-10-14 17:10:34 /, / 2019-10-1417: 35: 00 / p 'xxxx.log | grep' 4000006060001190000010336 '- color

 

Locate the file location:
the locate initial_notification_template.xls