Introduction to Linux in HPC/Linux in HPC

Video

Linux in HPC Slides 3 - 40 (38 pages)

Slide Layout

   page 3: 
       Shell scripts 
       Shell utilities 
       Combine multiple programs via pipeline. 
   page 4 - 5: 
       space is important 
       string comparison 
       integer comparison 
       other operators 
   page 6: 
       for-loop 
       while-loop 
   page 7: 
       grep 
       sed 
       awk 
   page 8 - 9: 
       command1 | command2 
       echo "scale=64; 355.0/113.0" | bc -l 
       Tips for pipeline 
   page 10 - 11: 
       mature grep 
       simpler grep 
   page 12: 
       create input files 
       run simulations 
       collect results 
   page 13: 
       step 1: prepare input template
   page 14: 
       step 2: replace placeholder using sed
   page 15: 
       step 3: loop thru all parameters
   page 16: 
       step 4: save input files
   page 17: 
       step 5: run simulations
   page 18: 
       identify useful data in output
   page 19: 
       small steps for writing a script
   page 20: 
       multiple solutions are possible
   page 21: 
       filename for output
   page 22:
       get boxsize
   page 23: 
       init variables
   page 24:
       accumulate avgT and count numT
   page 25: 
       calculate avgT
   page 26: 
       print the results (explain printf and format)
   page 27: 
       execute report.sh
   page 28: 
       three parts in awk script
   page 29: 
       init variables
   page 30: 
       get boxsize
   page 31: 
       accumulate avgT and increment numT
   page 32: 
       print the results
   page 33:
       execute report.awk
   page 34: 
       How to summarize the final results?
   page 35:
       step 1: find and sort
   page 36: 
       step 2: loop the list of output
   page 37: 
       step 3: use either report.sh or report.awk
   page 38: 
       show final report
   page 39: 
       Environment modules for HPC users 
       module cmd 
   page 40: 
       Recommendations

Quiz

1. Which command you can use to do a secure copy from the Cluster to you local Linux machine?
Hint:man scp

Click and submit to see the answer

2. Label the interface elements in the terminal:

	shell command
	current prompt
	previous prompt
	cursor
	login message
	command output
	Click and submit to get answer

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