[Beowulf] Concurrently open sockets limit on Linux system

[Mark Hahn]

> Interestingly, /proc/sys/fs/file-nr reports something odd:
> 	cat /proc/sys/fs/file-nr
> 	1605    0       65535
>
> This suggests that there are 0 free allocated file descriptors.  I'm not

according to Documentation/filesystems/proc.txt on a recentish kernel,
2.6 always reports a zero there.  the field is a left-over from previous
implementations which kept around a fh-specific pool

> clear on the implications here.  I can certainly continue to open files on
> this box, and make new remote connections via ssh...

I would strace the license daemon...