HPRC Short Course Introduction to Linux
HPRC Short Course Introduction to Linux
Texas A&M University High Performance Research Computing ? 1
For Assistance...
Website: Email: Telephone: Visit us:
hprc.tamu.edu help@hprc.tamu.edu (979) 845-0219 Henderson Hall, Room 114A
Help us, help you -- we need more info
?Which Cluster ?NetID ?Job ID(s) if any ?Location of your job files, input/output files ?Application used & module(s) loaded if any ?Error messages ?Steps you have taken, so we can reproduce the problem
Texas A&M University High Performance Research Computing ? 2
Course Outline
1 Accessing the System 2 Directories 3 Gedit 4 File Manipulation 5 Passing output & Redirection 6 The Linux file system 7 Environment Variables & $PATH 8 Basic Shell Scripting
Secure shell Our first commands An easy text editor Copy, rename/move & remove Learning about operators Attributes and permissions Storing and retrieving information Making Linux work for you
Texas A&M University High Performance Research Computing ? 3
Your Login Password
? Both State of Texas law and TAMU regulations prohibit the sharing and/or illegal use of computer passwords and accounts;
? Don't write down passwords; ? Don't choose easy to guess/crack passwords; ? Change passwords frequently
Texas A&M University High Performance Research Computing ? 4
1. Accessing the system
? SSH (secure shell)
? The only program allowed for remote access; encrypted communication; freely available for Linux/Unix and Mac OS X hosts;
? For Microsoft Windows PCs, use MobaXterm
? ? You are able to view images and use GUI applications with MobaXterm
? or Putty
?
? You can not view images or use GUI applications with PuTTY
Texas A&M University High Performance Research Computing ? 5
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