cd /public_html/production/storage/logs/

ls -l

tail -f --l 200


To check error in Log Command is:

tail -f --l 200000 daily-2020-04-21.log | grep 'ERROR' -A20

tail -f --l 200000 laravel-2020-03-04.log | grep 'ERROR' -A20

tail -f --l 50000 laravel-2021-04-26.log | grep 'ErrorException' -B10 -A10	
tail -f --l 50000 laravel-2021-04-26.log | grep 'Undefined index' -B10 -A10

daily 2020-07-30

42
1167 , 

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shift+E