Table of Contents Installing Ubuntu 20.04 “Focal Fossa” For arm64 ......................................................................... ix 1. Welcome to Ubuntu ........................................................................................................................ 1 1.1. What is Ubuntu?................................................................................................................... 1 1.1.1. Sponsorship by Canonical ....................................................................................... 1 1.2. What is Debian? ................................................................................................................... 1 1.2.1. Ubuntu and Debian.................................................................................................. 2 1.2.1.1. Package selection ........................................................................................ 2 1.2.1.2. Releases....................................................................................................... 3 1.2.1.3. Development community ............................................................................ 3 1.2.1.4. Freedom and Philosophy............................................................................. 3 1.2.1.5. Ubuntu and other Debian derivatives.......................................................... 4 1.3. What is GNU/Linux? ........................................................................................................... 4 1.4. Getting Ubuntu..................................................................................................................... 5 1.5. Getting the Newest Version of This Document.................................................................... 5 1.6. Organization of This Document........................................................................................... 5 1.7. Your Documentation Help is Welcome................................................................................ 6 1.8. About Copyrights and Software Licenses............................................................................ 6 2. System Requirements ..................................................................................................................... 8 2.1. Supported Hardware............................................................................................................. 8 2.1.1. Supported Architectures .......................................................................................... 8 2.1.2. Variations in ARM CPU designs and support complexity ...................................... 8 2.1.3. Platforms supported by Ubuntu/arm64.................................................................... 9 2.1.3.1. Other platforms ........................................................................................... 9 2.1.4. Multiple Processors ................................................................................................. 9 2.1.5. Graphics Hardware Support .................................................................................... 9 2.1.6. Network Connectivity Hardware........................................................................... 10 2.1.7. Peripherals and Other Hardware ........................................................................... 10 2.2. Devices Requiring Firmware ............................................................................................. 10 2.3. Purchasing Hardware Specifically for GNU/Linux ........................................................... 10 2.3.1. Avoid Proprietary or Closed Hardware ................................................................. 11 2.4. Installation Media .............................................................................................................. 11 2.4.1. CD-ROM/DVD-ROM/BD-ROM .......................................................................... 11 2.4.2. Network ................................................................................................................. 12 2.4.3. Hard Disk............................................................................................................... 12 2.4.4. Un*x or GNU system ............................................................................................ 12 2.4.5. Supported Storage Systems ................................................................................... 12 2.5. Memory and Disk Space Requirements............................................................................. 12 3. Before Installing Ubuntu .............................................................................................................. 14 3.1. Overview of the Installation Process.................................................................................. 14 3.2. Back Up Your Existing Data!............................................................................................. 15 3.3. Point release and HWE kernel ........................................................................................... 15 3.4. Information You Will Need................................................................................................ 15 3.4.1. Documentation ...................................................................................................... 15 3.4.1.1. Installation Manual ................................................................................... 15 3.4.1.2. Hardware documentation .......................................................................... 16 3.4.2. Finding Sources of Hardware Information............................................................ 16 3.4.3. Hardware Compatibility ........................................................................................ 16 3.4.3.1. Testing hardware compatibility with a Live-System ................................ 18 iii