Difference between revisions of "Useful commands"
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| − | Parsing | + | Parsing ipv4 addresses from a log file, sorting, counting; |
<pre> | <pre> | ||
grep -E -o "([0-9]{1,3}[\.]){3}[0-9]{1,3}" maillog | sort | uniq -c | grep -E -o "([0-9]{1,3}[\.]){3}[0-9]{1,3}" maillog | sort | uniq -c | ||
</pre> | </pre> | ||
Revision as of 14:35, 14 December 2018
Parsing ipv4 addresses from a log file, sorting, counting;
grep -E -o "([0-9]{1,3}[\.]){3}[0-9]{1,3}" maillog | sort | uniq -c