Frequently Asked Questions
This FAQ addresses several questions commonly answered by the CHPC Service Desk. For more information, please look in the online user guides:
If you have any questions which are not addressed in this page or the user guides, please either send e-mail to issues@chpc.utah.edu or call (801) 581-6440 to speak with a CHPC staff member.
Contents
General
- How do I get help?
- What software is available?
- How do I subscribe/unsubscribe to the mailing list?
- How should I set my email properties?
- How do I time my programs?
- I'm a UNIX user and now have a Windows desktop. How do I connect to CHPC systems and use X-Windows programs?
- How do I change my password?
- How do I change my shell?
- Are there default .tcshrc and .bashrc files available?
- Do the /scratch/filesystems on arches support file locking?
Accounts
- How do I get an account?
- I can't log into one or more the machines, what do I do?
- I forgot my password, what do I do?
- How do I get an account deleted?
- How do I get my files backed up?
Allocations
- How do I get an allocation?
- When are proposals due?
- When do allocations take effect?
- What should I do if my allocation runs out?
- How should I acknowledge CHPC for computer time?
- What if a machine goes down while I'm running a job? Does the time that the job ran prior to termination count toward my allocation?
Batch Systems
- What is a batch system?
- What batch system is used at CHPC?
- What is a Scheduler?
- What Scheduler is at CHPC
- How do I submit a job?
- How do I get information about my job after it's submitted?
- Where can I find a list of batch system commands?
- Are there sample scripts online?
- What is the /scratch directory that I see in the sample script, and why should I use it?
- Where should I submit my script from?
- Is there a limit on the number of jobs I can have in the batch system at one time?
- How can I run a job which is longer than the standard queues allow?
- Are there limits on the number of cpus I can use for parallel jobs?
- Why do some jobs submitted after mine run before mine?
- Can I run my jobs in the background in batch?
- I'm having problems with my script, what should I do?
- What happens when my allocation runs out?
- PBS seems to be ignoring all the #PBS directives in my script. What's going on?

