# Planning HPC intro course

- Tue May 3
- 9-12:30 CEST

## Relevant links

- https://gitlab.sigma2.no/training/training-events/-/issues/18
- https://github.com/veltman/clmystery
- https://training.pages.sigma2.no/tutorials/unix-for-hpc/
- https://gitlab.sigma2.no/training/tutorials/unix-for-hpc/

## Courses by other
http://www.hpc-carpentry.org/hpc-shell/

# Course outline

1. Why command line/terminal (Sabry & Radovan)?
2. Connecting/SSH (Sabry)
- What is ssh
- Paradigm shift of working of a remote computer
3. Moving around and looking at things (Radovan & Jørn)
- contents:
- pwd
- ls
- cd
- cp
- mv
- rm
- cat
- less
- more
- diff
- head
- tail
- exercise (15 min):
- 1. connect to the cluster and locate where in the file system you are
- 2. go to the directory exercise-inspecting-and-moving
- 3. find out in which subfolder are example output files with the ending `.output`
- 4. find out which of the output files contains the text "failed"
- 5. copy the directory containing output files to the backup folder
- 6. rename the output files to now have the ending `.out`
- 7. there is a folder which is in the wrong place (this needs more details), can you move it to the right place?
- 8. there are two files with the same content (verify with `diff`), can you remove one of the duplicate files?
4. Finding things (Jørn & Sabry)
- find
- grep
- wget
- tar
5. Writing & reading files (Sabry & Radovan)
- editor: nano
- discussion on editors
- cat
- permissions
6. Wildcards & pipes (Radovan & Jørn)
- contents:
- redirects
- wc
- sort
- uniq
- exercise (15 min):
- redirect script output to a file, but for this we would need to move this behind scripts. or move redirects to scripts
- composing commands:
- ls | grep
- grep | sort | uniq > output
- find something | xargs
7. Scripts (Jørn & Sabry)
- permission and executable
- ls again

Each section contains a 15 minutes exercise/challenge
If possible two part excerise, first easy and second harder