Ubuntu Installation Guide Ubuntu Installation Guide Copyright © 2004 – 2020 the Debian Installer team Copyright © 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2015, 2018 Canonical Ltd. This document contains installation instructions for the Ubuntu 20.04 system (codename “‘Focal Fossa’”), for the S/390 (“s390x”) architecture. It also contains pointers to more information and information on how to make the most of your new Ubuntu system. This manual is free software; you may redistribute it and/or modify it under the terms of the GNU General Public License. Please refer to the license in Appendix F. Table of Contents Installing Ubuntu 20.04 “Focal Fossa” For s390x...........................................................................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. IBM Z and LinuxONE systems...............................................................................8 2.1.3. PAV and HyperPAV .................................................................................................9 2.1.4. Multiple Processors .................................................................................................9 2.1.5. Network Connectivity Hardware.............................................................................9 2.1.6. Disk Storage on S/390.............................................................................................9 2.1.7. Peripherals and Other Hardware ...........................................................................10 2.2. Installation Media ..............................................................................................................10 2.2.1. CD-ROM/DVD-ROM/BD-ROM ..........................................................................10 2.2.2. Network .................................................................................................................10 2.2.3. Hard Disk...............................................................................................................10 2.2.4. Un*x or GNU system ............................................................................................11 2.2.5. Supported Storage Systems ...................................................................................11 2.3. Memory and Disk Space Requirements.............................................................................11 3. Before Installing Ubuntu..............................................................................................................12 3.1. Overview of the Installation Process..................................................................................12 3.2. Back Up Your Existing Data!.............................................................................................13 3.3. Point release and HWE kernel ...........................................................................................13 3.4. Information You Will Need................................................................................................13 3.4.1. Documentation ......................................................................................................13 3.4.1.1. Installation Manual ...................................................................................13 3.4.1.2. Hardware documentation..........................................................................14 3.4.1.3. S/390 Hardware References......................................................................14 3.4.2. Finding Sources of Hardware Information............................................................14 3.4.3. Hardware Compatibility ........................................................................................15 3.4.4. Network Settings ...................................................................................................16 3.5. Meeting Minimum Hardware Requirements .....................................................................16 3.6. Pre-Partitioning for Multi-Boot Systems ...........................................................................17 3.7. Pre-Installation Hardware and Operating System Setup....................................................18 iii 3.7.1. BIOS Setup............................................................................................................18 3.7.2. Native and LPAR installations...............................................................................19 3.7.3. Installation as a VM guest .....................................................................................19 3.7.4. Setting up an installation server ............................................................................19 4. Obtaining System Installation Media .........................................................................................20 4.1. Official Ubuntu CD-ROMs ................................................................................................20 4.2. Downloading Files from Ubuntu Mirrors ..........................................................................20 4.2.1. Where to Find Installation Images ........................................................................20 4.3. Automatic Installation........................................................................................................20 4.3.1. Automatic Installation Using the Ubuntu Installer................................................21 4.3.2. Automatic Installation Using Kickstart.................................................................21 4.3.2.1. Additions...................................................................................................21 4.3.2.2. Missing features........................................................................................22 4.3.2.3. Example ....................................................................................................23 5. Booting the Installation System...................................................................................................25 5.1. Booting the Installer on S/390 ...........................................................................................25 5.1.1. S/390 Limitations ..................................................................................................25 5.1.2. S/390 Boot Parameters ..........................................................................................25 5.2. Boot Parameters .................................................................................................................25 5.2.1. Ubuntu Installer Parameters ..................................................................................26 5.2.2. Using boot parameters to answer questions ..........................................................29 5.2.3. Passing parameters to kernel modules...................................................................29 5.2.4. Blacklisting kernel modules ..................................................................................30 5.3. Troubleshooting the Installation Process ...........................................................................30 5.3.1. Boot Configuration ................................................................................................30 5.3.2. Interpreting the