[CentOS] Total Number of conecctions

Fri Dec 3 21:16:31 UTC 2010
Ned Slider <ned at unixmail.co.uk>

On 03/12/10 20:57, Alejandro Rodriguez Luna wrote:
> I have the need to know how many connection the server has, i run this command but i don't know how to sum all the results and get a final number.
> any ideas?
>
> netstat -an | grep -E 'tcp|udp' | awk '{print $6}' | sort | uniq -c | sort -n
>
>     1 CLOSE_WAIT
>     1 FIN_WAIT_2
>     1 LAST_ACK
>     1 TIME_WAIT
>     4 SYN_SENT
>    15
>    37 LISTEN
>    44 ESTABLISHED
>
>

How about just counting the number of lines of output with 'wc -l':

netstat -antu | wc -l