SPPU-BE-IT-DS

Important Requirements & Prerequisites

• java 8

# install java 8 on Ubuntu
sudo apt update 
sudo apt install openjdk-8-jdk -y
# to check if you have multiple version of java and setting default to java 8
sudo update-alternatives --config java

# now other versions of java needs to be deleted 
# if not deleted Assignment2 will cause an error
# fist list the installed java versions using this command
dpkg --list | grep -i jdk
# now use this command to remove all the components of other version
sudo apt purge openjdk-11-jdk
sudo apt purge openjdk-11-jdk-headless
sudo apt purge openjdk-11-jre
sudo apt purge openjdk-11-jre-headless
# now check again if only java 8 present
dpkg --list | grep -i jdk

• Downlaod java 8 for windows from Link1 or Link2

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Assignment 1

1. Terminal 1

   # compile all java files
   javac *.java
   # compile implementation file
   rmic ServerImplementation
   # start rmiregistry
   rmiregistry
   

2. Terminal 2

   # start the server
   java Server

3. Terminal 3

   # connect the client
   # for addtion, substraction, division, multiplication
   java Client 10 20
   # for square, square root
   java Client 25
   # for string equal
   java Client abc abc
   # for palindrome
   java Client aba

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Assignment 2

1. Terminal 1

   # complile all the files
   idlj -fall ServiceModule.idl
   javac *.java ServiceModule/*.java
   # start orbd 
   orbd -ORBInitialPort 1056

2. Terminal 2

   # start the server
   java ServiceServer -ORBInitialPort 1056

3. Terminal 3

   # connect the client
   java ServiceClient -ORBInitialPort 1056 -ORBInitialHost localhost

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Assignment 3

• MPI setup
• Download MPJ Express
• Extract it in Downloads Folder

  # replace {ubuntu_username} with your machines username like ubuntu, vboxuser
  # or check username by going into home dir
  cd /home && ls
  # set MPJ_HOME env variable
  export MPJ_HOME=/home/{ubuntu_username}/Downloads/mpj-v0_44
  # update PATH env variable
  export PATH=$MPJ_HOME/bin:$PATH
  # compile the java program
  javac -cp $MPJ_HOME/lib/mpj.jar ArrSum.java
  # run compiled java program
  $MPJ_HOME/bin/mpjrun.sh -np 4 ArrSum
  

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Assignment 4

1. Terminal 1

   python server.py
   # or 
   python3 server.py

2. Terminal 2

   python client.py
   #or
   python3 client.py

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Assignment 5

• Terminal 1

  # complile the java program
  javac TokenRing.java
  # run compiled java program
  java TokenRing

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Assignment 6

• Terminal 1

  # compile the java program
  javac Bully.java
  javac Ring.java
  # run compiled java program
  java Bully
  java Ring

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Download Repo zip without git in terminal

# git clone for ubuntu
git clone https://github.com/b1ink0/SPPU-BE-IT-DS.git

# in cmd
curl -L -o SPPU-BE-IT-DS-main.zip https://github.com/b1ink0/SPPU-BE-IT-DS/archive/refs/heads/main.zip

# or in powershell
Invoke-WebRequest -Uri "https://github.com/b1ink0/SPPU-BE-IT-DS/archive/refs/heads/main.zip" -OutFile "SPPU-BE-IT-DS-main.zip"