A Short Guide to code01.fit.edu

After you login to a lab Windows computer or code01.fit.edu, you have access to your U Drive. That is, your U Drive is accessible from many FIT computers.

1. If you are off-campus, you would need VPN (Virtual Private Network) to be on FIT network to access FIT computers remotely
   • Getting VPN
2. How to use SSH and SFTP to Code01. Additional information:
   • To put/upload (or access) your files on to your U Drive from your computer:
     • SFTP (Secure File Transfer Protocol) client [Comparison of FTP client software]
       • Windows: WinSCP is an example
       • MacOS/Linux/Cygwin: sftp is probably installed
       • Windows/MacOS/Linux: FileZilla is an example
     • Mapping U Drive
     • For simplicity, don't create folders and put your program file(s) in the top/home folder/directory of your account.
   • To remotely login to code01.fit.edu:
     • You would need an SSH (Secure SHell) client. PuTTY is an example, there are others on various operating systems. On the command line, you can type in: ssh username@code01.fit.edu
     • On a lab Windows computer, search for putty and connect to code01.fit.edu
     • On your Windows computer, download putty from https://www.putty.org/ and connect to code01.fit.edu (sFTP Client above also has an SSH client)
     • On your Mac/Linux/Cygwin computer, ssh is probably installed, start a terminal and type:
       ssh yourTracksUserName@code01.fit.edu
3. To set up a more recent version of Java on code01.fit.edu:
   1. login to code01.fit.edu
   2. check if .bash_profile exists in the home directory. If not, create one:
      ls .bash_profile
   3. (if you don't know how to modify a file on code01, you can download .bash_profile, then edit and upload it)
   4. add the following 2 lines to the *end* of .bash_profile
      export PATH=/usr/lib/jvm/java-18-openjdk/bin:$PATH
      echo "added /usr/lib/jvm/java-18-openjdk/bin to PATH"
   5. logout
   6. login to code01 (which automatically runs .bash_profile), you should see:
      added /usr/lib/jvm/java-18-openjdk/bin to PATH
      
   7. check the javac version, it should say: javac 18.0.1
      javac -version
4. To compile and run your program on code01.fit.edu:
   • to list the files in the current folder/directory, type:
     ls
   • Java
     • to compile:
       javac HW1.java SinglyLinkedList.java
     • to run:
       java HW1 hw1in1.txt
   • C
     • to use a newer version of gcc (more details in item 4 below), type:
       module load gcc
     • to compile and link hw1.c to generate hw1 as the executable, type:
       gcc -o hw1 hw1.c
     • to run hw1 in the current folder/directory ("./") with hw1in1.txt as a command-line argument, type:
       ./hw1 hw1in1.txt
   • to stop a program that is running too long
     Control-C
   • to logout, type:
     exit
5. more on "module" on code01
6. UNIX/LINUX Tutorial for Beginners