LINUX/UNIX: Difference between revisions

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== LINUX/UNIX pages ==
== Introduction to UNIX ==
Compute Canada has put together some introductions to UNIX.
* [https://docs.computecanada.ca/wiki/Linux_introduction Basic intro from Compute Canada]
* [https://www.sharcnet.ca/help/index.php/LINUX_SHELL Sharcnet - fairly in-depth]
* [http://www.ee.surrey.ac.uk/Teaching/Unix/index.html SciNet - also pretty in-depth]


* Source code comparison [[Mdiff]]  
 
* [[Compiling on winisk/kazan]]
== Odds and Ends ==
This is a collection of useful tools, commands, and random odds and ends.
 
=== [[ssh config]] ===
 
=== screen ===
* A useful terminal manager - especially on remote servers.
** It allows you to continue to run scripts in interactive sessions on servers, even if you need to disconnect from the server (or get disconnected).
** Useful for scripts that take a long time, or when you only have a few minutes to spare / want to check in on it later.
* See [https://www.gnu.org/software/screen/manual/screen.html User Manual]
* See also this [https://www.bangmoney.org/posts/2004-03-24-screen.html Blog]
* Key commands to remember are:
** Create a new screen with the name <name>: <code>screen -S <name></code>
** Detach from current screen: <code>crtl+a d</code>
** Re-attach screen: <code> screen -r <name> </code> (can omit <name> if only one session exists)
** List all currently running screen sessions: <code> screen -ls</code>
** To end a screen session: <code> exit</code> from within the session
 
 
=== RSA Keys ===
Tired of typing in your password every time you log in somewhere? Use an RSA Key. It's also more secure.
* Learn more [https://www.sharcnet.ca/help/index.php/Choosing_A_Password#Recommended_strategy here] and [https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys--2 here]
 
=== Misc. ===
* Source code comparison [[Mdiff]]
* [[MPIRUN in the background]]
* [[Limiting MATLAB processor usage]]
* [[Limiting MATLAB processor usage]]
* Combine PNG images into an AVI movie file [[MATLAB animations#Option 1: Creating an AVI file | mkavi.sh ]]
* Cleaning up model output files [[Keep.sh]]
* Remote/Virtual desktop with [[NoMachine NX]]
* [[Manual process placement on multi-processor machines]]
== Linux servers owned by the Fluids Lab ==
* [[info specific to winisk and kazan]] (no longer in service)
* [[info specific to hood.math]]
* [[info specific to boogaloo.math and belize.math|info specific to belize, belize2.math (formerly boogaloo), belize3.math]]
* [[info specific to bow, minnewanka, waterton]] ("mountain lakes")
* [[info specific to sutton, rondeau, pelee]] ("provincial parks")
* [[simple local file sharing]]
* [[Login script]] (.profile, .cshrc) for the MFCF-administered machines

Latest revision as of 12:49, 9 April 2024

Introduction to UNIX

Compute Canada has put together some introductions to UNIX.


Odds and Ends

This is a collection of useful tools, commands, and random odds and ends.

ssh config

screen

  • A useful terminal manager - especially on remote servers.
    • It allows you to continue to run scripts in interactive sessions on servers, even if you need to disconnect from the server (or get disconnected).
    • Useful for scripts that take a long time, or when you only have a few minutes to spare / want to check in on it later.
  • See User Manual
  • See also this Blog
  • Key commands to remember are:
    • Create a new screen with the name <name>: screen -S <name>
    • Detach from current screen: crtl+a d
    • Re-attach screen: screen -r <name> (can omit <name> if only one session exists)
    • List all currently running screen sessions: screen -ls
    • To end a screen session: exit from within the session


RSA Keys

Tired of typing in your password every time you log in somewhere? Use an RSA Key. It's also more secure.

Misc.

Linux servers owned by the Fluids Lab

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