On Mon, Oct 15, 2012 at 8:53 AM, John Reddy <linuxpencil at hotmail.com>
wrote:
>
> Hi;
> I get this:
> ]# /etc/init.d/dovecot start
> Starting Dovecot Imap: Fatal: listen(143) failed: Address already in use
> and this:
> ]# netstat -ltn
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address Foreign Address
> State
> tcp 0 0 0.0.0.0:3306 0.0.0.0:*
> LISTEN
> tcp 0 0 209.216.9.56:587 0.0.0.0:*
> LISTEN
> tcp 0 0 127.0.0.1:587 0.0.0.0:*
> LISTEN
> tcp 0 0 0.0.0.0:143 0.0.0.0:*
> LISTEN
> tcp 0 0 127.0.0.1:53 0.0.0.0:*
> LISTEN
> tcp 0 0 0.0.0.0:21 0.0.0.0:*
> LISTEN
> tcp 0 0 0.0.0.0:23 0.0.0.0:*
> LISTEN
> tcp 0 0 209.216.9.56:25 0.0.0.0:*
> LISTEN
> tcp 0 0 127.0.0.1:25 0.0.0.0:*
> LISTEN
> tcp 0 0 127.0.0.1:953 0.0.0.0:*
> LISTEN
> tcp 0 0 :::80 :::*
> LISTEN
> tcp 0 0 ::1:53 :::*
> LISTEN
> tcp 0 0 :::22 :::*
> LISTEN
> tcp 0 0 ::1:953 :::*
> LISTEN
> and this:
> # /usr/sbin/lsof -i|grep 143
> returns *nothing*. How do I figure out which program is using tcp to
> listen on port 143?
> TIA,
> John
>
Try "lsof -i tcp:143" or "netstat -antp | grep 143"
Cliff