Basic Linux Seminar: Difference between revisions

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==January 16, 2017 from 10am to 12pm, B107 Van Vleck==
==January 16, 2017 from 10am to 12pm, B107 Van Vleck==


#.  Connecting to a linux machine via ssh.
Connecting to a linux machine via ssh.
#.. Using SCP to move items from your machine to the server
* hand out account credentials for non-math attendees
#. Creating directories
* explain Linux vs. Unix, open source
#.  Moving around your home directory
Using SCP to move items from your machine to the server, using sFTP, Filezilla, SecureFX
* pwd
* Terminal on mac, linux
#. Moving items in your home directory (2 methods)
* download and install SSH program (like SecureCRT) for Windows.
* relative
pwd
* absolute
* landing zone
#.  Listing items in your home directory
* where am I
* Listing with command line options.
cd
#.  Permissions
* changing directories
#. Touch command.
* shortcuts for changing directories
#.  Man command
** ~, ., ..,
#. Printing items in your home directory to a printer via command line
* tab completion
#. using lpq to see items in the print queue
Creating/removing directories
#. using lprm to remove items in the print queue.
* mkdir
#.  editing a file using nano
* rmdir
#.  more about file editors.
Creating files
* touch
* nano nameoffile
* nano is a simple (and one of many) text editor, vi, emacs, joe, etc.
Moving/Copying/Deleting files
* mv
* cp
* rm
Listing contents of your directory
* ls
** does not show hidden files/folders
* use of option flags to see more
* ls -l
* ls -la
** does show hidden files/folders
* ls -last
** shows most recently changed/create at top
Permissions
* ls -l shows you the permissions
* discussion of what those permissions mean.
** letter method
** number method
* chmod changing permissions
Man command
Less command
Grep command
Piping
cron
make your own script
* alias command
* writing an actual file, making it executable, and running it.
** Create a bash script in your /usr/bin folder, it should look something like this
 
#!/bin/bash
Whatever combination of commands you want to run when you type this thing.
Its really that easy.
 
Just name the bash script what you want to type in to the terminal, and make it excecutable: chmod +x filename and you're good to go!
quota command; du -s subdir
locate command

Latest revision as of 16:13, 15 January 2017

January 16, 2017 from 10am to 12pm, B107 Van Vleck

Connecting to a linux machine via ssh.

  • hand out account credentials for non-math attendees
  • explain Linux vs. Unix, open source

Using SCP to move items from your machine to the server, using sFTP, Filezilla, SecureFX

  • Terminal on mac, linux
  • download and install SSH program (like SecureCRT) for Windows.

pwd

  • landing zone
  • where am I

cd

  • changing directories
  • shortcuts for changing directories
    • ~, ., ..,
  • tab completion

Creating/removing directories

  • mkdir
  • rmdir

Creating files

  • touch
  • nano nameoffile
  • nano is a simple (and one of many) text editor, vi, emacs, joe, etc.

Moving/Copying/Deleting files

  • mv
  • cp
  • rm

Listing contents of your directory

  • ls
    • does not show hidden files/folders
  • use of option flags to see more
  • ls -l
  • ls -la
    • does show hidden files/folders
  • ls -last
    • shows most recently changed/create at top

Permissions

  • ls -l shows you the permissions
  • discussion of what those permissions mean.
    • letter method
    • number method
  • chmod changing permissions

Man command Less command Grep command Piping cron make your own script

  • alias command
  • writing an actual file, making it executable, and running it.
    • Create a bash script in your /usr/bin folder, it should look something like this
  1. !/bin/bash

Whatever combination of commands you want to run when you type this thing. Its really that easy.

Just name the bash script what you want to type in to the terminal, and make it excecutable: chmod +x filename and you're good to go! quota command; du -s subdir locate command