nginx日志分析

log_format  access  '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';

awk '$4 >= "[15/Jan/2016:19:30:00" && $4<="[15/Jan/2016:21:30:59" {print }' access.log

awk '{a[$1]++}END{for(i in a)print i,a[i]}' access.log

awk -F '"' '{print $6}' access.log | awk -F '\n' '{a[$1]++}END{for(i in a)print i,a[i]}'