On Mon, Oct 15, 2012 at 8:53 AM, John Reddy <linuxpencil@xxxxxxxxxxx> 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 _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos