PlacementBatches Classroomnotes 17/Apr/2022

Getting Started with Scripting

• Create an ubuntu server.
• We need the following softwares to be installed
  • nano: sudo apt install nano
  • tree: sudo apt install tree
  • git: sudo apt install git
• Create a utils.sh

sudo apt update
sudo apt install nano
sudo apt install tree
sudo apt install git

• now lets try to add java installation

sudo apt update
sudo apt install nano -y
sudo apt install tree -y
sudo apt install git -y
sudo apt install openjdk-11-jdk -y

• directly executing the utils.sh gives the following error
  
• While writing scripting areas to consider
  
• Assumptions for the activity:
  • Aware of basic commands to copy the files etc.
  • Knowledge of environmental variables and especially importance of PATH variable.
• On the ubuntu instance we have installed apache, mysql server and we have installed java and downloaded the spring petclinic and executed it.
• Activity 1:
  • Write a shell script to
    • install apache server
    • install mysql server
    • install openjdk 11
    • download the spring petclinic
    • run the spring petclinic application in the background
      
• Activity 2:
  • Try doing activity 1 on a redhat server.
• Activity 3:
  • Review your work and find out areas of improvement.