Cant execute d.mon

Bruce J. Nielsen!in1000!bnielsen
Fri Jan 3 07:30:17 EST 1997

> I am a student at the Univ. of GA and am trying to use Grass and Grassland.  We
> have installed grass4.13 for the SUN Platform on our system which uses Solaris 
> 2.5.  When I try to invoke the command (d.mon start=x0)  I receive the error 
> message Sorry, </dev/x0.a> not available
> 	Have grass administrator check etc/monitorcap file
> 	can't stat /dev/x0.a
> 	Problem selecting x0.  Will try once more
> 	Can't stat /dev/x0.a
> When the program was installed it did not place any x*.a or x*.b files in the 
> /dev directory.  The person installing did install as root.  We are wondering
> if there are some special installation procedures for the Solaris operating 
> system.  Am I having difficulty with d.mon because grassland for Slolaris
> 2.5 has been installed??  Will I still have display capabilities with Grassland
> even though I can not display in grass4.1?? 
> What is the purpose of the x*.a and x*.b files, are they simply linking files?
> Please Help!!
> Anna


Check to see if the files /dev/x0.a and /dev/x0.b exist.  If they don't,
create them (as root) with the command "mknod /dev/x0.a p". Repeat that 
command for x0.b.  Change their permissions to -rw-rw-rw- (or 666) and
try running d.mon again.
Bruce Nielsen                bnielsen at
GIS Specialist
USDA-Natural Resources Conservation Service
6013 Lakeside Blvd.          VOICE (317) 290-3200 ext. 349
Indianapolis, IN 46278       FAX   (317) 290-3225

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