How to fast check some archived log file
Posted: Fri Aug 26, 2022 1:57 pm
Logrotated log files are usually gzip-ed.
Fast way to 'cat' them is:
Fast way to 'grep' them:
To zgrep all *.gz log files:
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If you need another processing command, for example 'exigrep', you can process .gz file through the 'zcat' pipe output:
To zgrep all *.gz log files:
Fast way to 'cat' them is:
Code: Select all
zcat /var/log/somelog.2.gzCode: Select all
zgrep 'lookingfor' /var/log/somelog.2.gzCode: Select all
zgrep 'lookingfor' /var/log/somelog.*.gzIf you need another processing command, for example 'exigrep', you can process .gz file through the 'zcat' pipe output:
Code: Select all
zcat /var/log/exim4/mainlog.2.gz | exigrep 'somedomain.com'Code: Select all
zcat /var/log/exim4/mainlog.*.gz | exigrep 'somedomain.com'