Linux小技巧

netstat -nltp 

netstat -nltp | grep 10980

cat access.log | cut -d '"' -f3 | cut -d ' ' -f2 | sort | uniq -c | sort -r

awk '{print $9}' access.log | sort | uniq -c | sort -r

awk '($9 ~ /404/)' access.log | awk '{print $7}' | sort | uniq -c | sort -r

awk -F\" '($2 ~ "/zzz.php"){print $1}' access.log | awk '{print $1}' | sort | uniq -c | sort -r

awk -F\" '($2 ~ "php"){print $2}' access.log | awk '{print $2}' | sort | uniq -c | sort -r

$ cat access.log | wc -l

$ cat access.log | awk '{print $1}' | sort -k1 -r | uniq | wc -l