/var/usbdisk/sda1 # cat count.sh
while true
do
echo `date` connections: `cat /proc/sys/net/netfilter/nf_conntrack_count` >> /var/usbdisk/sda1/conns.txt
sleep 1
done
/var/usbdisk/sda1 # chmod +x count.sh
/var/usbdisk/sda1 # cp count.sh /var/tmp/
/var/usbdisk/sda1 # cd /var/tmp
/var/tmp # ./count.sh &
/var/tmp # cat /var/usbdisk/sda1/conns.txt
Wed Jan 2 13:02:56 UTC 2013 connections: 613
Wed Jan 2 13:02:57 UTC 2013 connections: 617
Wed Jan 2 13:02:58 UTC 2013 connections: 619
Wed Jan 2 13:02:59 UTC 2013 connections: 621
Wed Jan 2 13:03:00 UTC 2013 connections: 626
Wed Jan 2 13:03:01 UTC 2013 connections: 620
Wed Jan 2 13:03:02 UTC 2013 connections: 621
Wed Jan 2 13:03:03 UTC 2013 connections: 621
Wed Jan 2 13:03:04 UTC 2013 connections: 611
Wed Jan 2 13:03:05 UTC 2013 connections: 617
Wed Jan 2 13:03:07 UTC 2013 connections: 619
Wed Jan 2 13:03:08 UTC 2013 connections: 615
Wed Jan 2 13:03:09 UTC 2013 connections: 612
Wed Jan 2 13:03:10 UTC 2013 connections: 614
Wed Jan 2 13:03:11 UTC 2013 connections: 614
Wed Jan 2 13:03:12 UTC 2013 connections: 611
Wed Jan 2 13:03:13 UTC 2013 connections: 617
Wed Jan 2 13:03:14 UTC 2013 connections: 620
Wed Jan 2 13:03:15 UTC 2013 connections: 620
Wed Jan 2 13:03:16 UTC 2013 connections: 619
Wed Jan 2 13:03:17 UTC 2013 connections: 618
Wed Jan 2 13:03:18 UTC 2013 connections: 603
Wed Jan 2 13:03:19 UTC 2013 connections: 605