Introduction to Linux in HPC/Processes

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Tutorial
Title: Introduction to Linux in HPC
Provider: HPC.NRW

Contact: tutorials@hpc.nrw
Type: Multi-part video
Topic Area: HPC Platforms
License: CC-BY-SA
Syllabus

1. Background and History
2. The Command Line
3. Linux Directory Structure
4. Files
5. Text display and search
6. Users and permissions
7. Processes
8. The vim text editor
9. Shell scripting
10. Environment variables
11. System configuration
12. SSH Connections
13. SSH: Graphics and File Transfer
14. Various tips

Video

( Slides as pdf)


Quiz

What does PID stand for?

Packet Identifier
Process Identifier
Protocol Identifocation

How are the permissions of a process set?

By inheritance of owner's permissions.
Manually by user
Explicitly at startup by parameters.

Exercises in Terminal

1. Start a process (e.g. sleep 10m) and kill it from a second console.
2. Start a process, bring it into background/foreground.
3. Start the task manager and identify the process with the largest memory usage.


<< Users and Permissions

Overview

The vim Text Editor >>