Hương Trà Trần
Posted on
Hi guys, do you guys know what problem is in this command?
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Top comments (1)
grep -oP "\b([0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3})\b" /var/log/syslog | wc -l : this work
but this does not work:
*grep -i "Fail" /var/log/syslog | grep -oP "\b([0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3})\b"
*