Looking for suggestion to highlight system log

tips & tricks
1

Anyone got idea on how to highlight log files like linux syslog?

Aug 23 00:02:02 example.com postfix/smtpd[82]: connect from unknown[xxx.xxx.xxx.xxx]
Aug 23 00:02:02 example.com postfix/smtpd[84]: connect from unknown[xxx.xxx.xxx.xxx]
Aug 23 00:02:02 example.com postfix/smtpd[82]: lost connection after CONNECT from unknown[xxx.xxx.xxx.xxx]
Aug 23 00:02:02 example.com postfix/smtpd[82]: disconnect from unknown[xxx.xxx.xxx.xxx] commands=0/0
Aug 23 00:02:04 example.com postfix/smtpd[84]: warning: unknown[xxx.xxx.xxx.xxx]: SASL LOGIN authentication failed: authentication fai>
Aug 23 00:02:04 example.com postfix/smtpd[84]: disconnect from unknown[xxx.xxx.xxx.xxx] ehlo=1 auth=0/1 quit=1 commands=2/3
Aug 23 00:02:06 example.com postfix/smtpd[82]: connect from unknown[xxx.xxx.xxx.xxx]
Aug 23 00:02:07 example.com postfix/smtpd[82]: warning: unknown[xxx.xxx.xxx.xxx]: SASL LOGIN authentication failed: authentication fai>
Aug 23 00:02:07 example.com postfix/smtpd[82]: disconnect from unknown[xxx.xxx.xxx.xxx] ehlo=1 auth=0/1 quit=1 commands=2/3
Aug 23 00:02:09 example.com postfix/smtpd[84]: connect from unknown[xxx.xxx.xxx.xxx]
Aug 23 00:02:10 example.com postfix/smtpd[84]: warning: unknown[xxx.xxx.xxx.xxx]: SASL LOGIN authentication failed: authentication fai>
Aug 23 00:02:11 example.com postfix/smtpd[84]: disconnect from unknown[xxx.xxx.xxx.xxx] ehlo=1 auth=0/1 quit=1 commands=2/3
Aug 23 00:05:32 example.com postfix/anvil[86]: statistics: max connection rate 4/60s for (smtp:xxx.xxx.xxx.xxx) at Aug 23 00:02:09
Aug 23 00:05:32 example.com postfix/anvil[86]: statistics: max connection count 1 for (smtp:xxx.xxx.xxx.xxx) at Aug 23 00:02:02

I looked through the https://gohugo.io/content-management/syntax-highlighting/ , but seems they are all languages.

I am highlighting them with apache now, but doesn’t look too good.

2

Display will depend on the lexer (language) and the style setting in config.toml.

Try the cobol lexer with the rrt style (dark background):

image
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Or the cobol lexer with the pygments style (light background):

image

1 Like
3

Thank you!! It look 10x better now :star_struck:

4

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