grep, awk & sed

prvih par redova u logu

head -n 10 neki.log

pokazati koliko ima riječi

wc -l neki.log

extract IP add from the file

• log output

  space del print 1 field

  count how many

cat neki.log | cut -d “ ” -f 1 | sort -u | uniq -c | sort -urn

extract GET request

cat neki.log | grep ‘IP-Add’ | cut -d “\”" -f 2 | uniq -c

grep the log for word “admin”

cat neki.log | grep ‘IP add’ | grep ‘/admin ’ | sort -u

reverse search all except ‘admin’

cat neki.log | grep ‘IP add’ grep -v ‘/admin ’