Linux System Administration

This guide covers system administration topics including OS re-installation, remote access, and service management.

Re-installing Ubuntu

Pre-installation Checklist

Back up the following:

  • Important Files
    • Personal files, documents, critical data
  • Configuration
    • .bashrc, .zshrc, app settings
  • Project / Code Folders
    • Development work
  • Installed Software List
    • Keep track for re-installation

Post-installation Steps

  1. Install Essential Software

    • Chrome

    • curl

      sudo apt install curl

    • Git

      sudo apt install git
    • VSC
      • Install from Snap Store or .deb

    • Node.js & npm

      curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
nvm install --lts

    • JDK

      sudo apt install openjdk-17-jdk
    • Other Software
      • DBeaver, Postman, VLC, etc.

  2. Restore Configuration

    • Copy .bash_aliases
    • Restore app settings

  3. Set up Desktop Entries

Create file:

   sudo nano /usr/share/applications/postman.desktop
  [Desktop Entry]
  Categories=Development;
  Comment=Supercharge your API workflow
  Exec="/home/ravinder/Soft/Postman/app/Postman"
  Icon=/home/ravinder/Soft/Postman/app/resources/app/assets/icon.png
  Name=Postman
  Terminal=false
  Type=Application
  Version=1.0