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Jaguar User’s Guide
Chapter 10: Troubleshooting
If both the interface and calculation hosts are on the same local
network, ask your system manager about allowing rsh commands
between the two, which could be done in several ways, depending on
your system. One way is to list hosts which are allowed to rsh to a
given host in its /etc/hosts.equiv file. It may be necessary to include
the interface host’s own name in its /etc/hosts.equiv file if the calculation is to be done on the interface host. See your system manager or
your UNIX documentation concerning trusted hosts, NIS domains, or
networking for more information.
If you get an error which refers to problems writing or cd-ing to a
temp directory for the job, you should make sure that you have
permission to write to the directory specified in the Temp directory
bar in the Run window, and that you have permission to create that
directory if it does not already exist.
If you are unable to allow rsh’s machine-wide as described above
(e.g., your interface and calculation hosts are not local to each other),
you must include the interface machine in a .rhosts file in your home
directory on the calculation host, and vice versa. If you have the same
user name on both nodes, a line in the .rhosts file only needs to
contain the entire host name. For more information, see the man page
on rhosts on your machine.
One further complication can result if you have distinct user names
on the interface and calculation hosts. In this case, you may get an
error like one of the following:
Login incorrect
remshd: Login incorrect
rshd: xxxx-xxxx The remote user login is not correct.
This problem generally occurs only when the interface and calculation hosts are on separate local area networks. To handle these distinct
sites, you must use a personal jaguar.hosts file. Each host line in the
file should include your user name on that host in the following
format:
host:
sgi [email protected]
where the name of the machine in the “host:” field matches that in the
“uname -n” command output for that machine, where “schrod” is
replaced by your user name, and “anny.schrodinger.com” is replaced
by the name of your calculation host. See section 6.1 for details on
how to construct your own jaguar.hosts file.
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Section 10.1: Problems Getting Started