Number of connections limited

Donald Becker becker at
Mon Oct 21 13:09:39 PDT 2002

On Sat, 19 Oct 2002, Jean-Christophe Ducom wrote:

> Does anybody have an idea why I get this error message
> rcmd: socket: *All **ports* in *use* 
> when I start even less than 255 rsh connections? The system is Redhat 7.2 and
> ldd /usr/bin/rsh
> => /lib/ (0x40020000)
> => /lib/ (0x4004d000)
> => /lib/ (0x40050000)
>         /lib/ => /lib/ (0x40000000)
> Any way to get over that?

Turn off firewalling and IP-Masq to start debugging the problem.
It should work with a few thousand connections.

Donald Becker				becker at
Scyld Computing Corporation
410 Severn Ave. Suite 210		Scyld Beowulf cluster system
Annapolis MD 21403			410-990-9993

More information about the Beowulf mailing list