Linux filters out logs between time periods

Such as: Filter out the secure log from August 30 22 o'clock to August 31 8 o'clock

Log format:

03:00:01 localhost crond[21772]: pam_limits (crond:session): Unknown limit type ' proc ' to 03:01:01 localhost cron D[21775]: Pam_limits (crond:session): Unknown limit type ' proc ' to 03:01:01 localhost crond[21775]: pam_limits (crond: session): Unknown limit type ' proc ' 03:30:01 localhost crond[21828]: pam_limits (crond:session): Unknown limit type ' Proc

1. Using grep filtering

# Cat/var/log/secure | Grep-e "(30 22| 31 08) "This section only filters out the 30 22| 31 82 Days of

2. Using SED filtering

# sed-n '/aug 22:00:01/,/aug 08:30:01/p '/var/log/secure

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Linux filters out logs between time periods