Installation Guide: System Requirements for Ubuntu

Before installing Ubuntu, it’s essential to understand the system requirements for the version you want. This KB article provides a complete overview of the minimum and recommended hardware specifications for Ubuntu Desktop, Server, Flavors, and Virtual Machines.

System Requirements for Ubuntu:

1. Ubuntu Desktop
   Ubuntu Desktop is the basic version for general users who need a standard graphical user interface (GUI).
   1. Minimum Requirements:
      1. CPU: 2 GHz dual-core processor
      2. RAM: 4 GB
      3. Storage: 25 GB of free space
      4. Graphics: VGA supporting 1024×768 resolution
   2. Recommended Requirements
      1. CPU: Quad-core processor
      2. RAM: 8 GB or more
      3. Storage: 50 GB or more
      4. Graphics: Dedicated GPU for graphical workloads
2. Ubuntu Server
   Ubuntu server is optimised for performance and stability, mainly for cloud and enterprise environments.
   1. Minimum Requirements
      • CPU: 1 GHz or faster processor
      • RAM: 512 MB (1 GB recommended)
      • Storage: 2.5 GB or more (depending on usage)
   2. Recommended Requirements
      • CPU: Multi-core processor
      • RAM: 2–4 GB (for performance-based environments)
      • Storage: 20 GB or more
3. Ubuntu Flavors (Xubuntu, Lubuntu, Kubuntu, etc.)
   1. Xubuntu (Xfce desktop)
      • Minimum RAM: 2 GB
      • Recommended RAM: 4 GB or more
   2. Lubuntu (LXQt desktop)
      • Minimum RAM: 1 GB
      • Recommended RAM: 2 GB or more
   3. Kubuntu (KDE Plasma)
      • Minimum RAM: 4 GB
      • Recommended RAM: 8 GB or more
4. Ubuntu for Low-End Hardware
   1. Best Options:
      • Lubuntu – For PCs with 1–2 GB RAM
      • Xubuntu – For PCs with 2 GB+ RAM
      • Ubuntu MATE – For systems with 2–4 GB RAM
   2. Tips for Better Performance:
      • Turn off animations
      • Use lightweight apps
      • Minimize background services
5. Checking Your System Compatibility
   1. On Windows:
      • Open Task Manager → Performance
      • File Explorer → This PC → Properties
   2. On Linux:
      • lscpu for CPU
      • free -h for RAM
      • df -h for storage
   3. Try Ubuntu Without Installing:
      • Use a bootable USB and select “Try Ubuntu”.
6. Ubuntu in Virtual Machines (VM)
   1. Minimum VM Requirements
      • CPU: Dual-core processor
      • RAM: 2 GB (4 GB recommended)
      • Storage: 25 GB virtual disk
   2. Recommended VM Requirements
      • CPU: Quad-core or more
      • RAM: 8 GB+
      • Storage: 50 GB+
   3. VM Software
      • VirtualBox (free and beginner-friendly)
      • VMware Workstation Player
      • Hyper-V (for Windows users)

Select the Ubuntu version that best matches your system specs. Ideally, go for hardware that exceeds the minimum requirements to ensure smooth performance and future-proof usage.

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