z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 11 A cookbook for installing and customizing z/VM 6.1 and Linux SLES 11 on the mainframe Marian Gasparovic Michael MacIsaac . Contents Preface . ix Chapters and Appendices. ix History. .x Summary of changes in theFebruary 2010 version . xi Conventions . xi The team that wrote this book . xii Comments welcome. xii Chapter 1. Introduction to z/VM and Linux . 1 1.1 What is virtualization? . 3 1.2 A philosophy adopted in this book . 3 1.3 Choices and decisions made in this book . 3 1.4 Infrastructure design . 4 1.5 Usability tests performed for this book . 5 Chapter 2. Planning . 7 2.1 Bill of materials . 7 2.1.1 Hardware resources . 7 2.1.2 Software resources . 8 2.1.3 Networking resources . 8 2.2 z/VM conventions . 9 2.2.1 Volume labeling convention . 9 2.2.2 Backup file naming convention . 9 2.2.3 The command retrieve convention . 10 2.3 Disk planning. 10 2.4 Memory planning. 11 2.5 Password planning . 12 2.6 Planning worksheets . 13 2.6.1 z/VM resources used in this book . 13 2.6.2 z/VM DASD used in this book. 14 2.6.3 Linux resources used in this book. 14 2.6.4 Linux user IDs used in this book . 15 2.7 Blank worksheets . 16 2.7.1 z/VM resources worksheet . 16 2.7.2 z/VM DASD worksheet . 17 2.7.3 Linux resources worksheet . 18 2.7.4 Linux user ID worksheet . 18 Chapter 3. Configuring a desktop machine . 19 3.1 PuTTY: a free SSH client for Windows . 19 3.2 Setting up a VNC client . 23 3.2.1 Downloading and running RealVNC . 23 3.2.2 Customizing RealVNC . 24 3.3 3270 emulators . 25 Chapter 4. Installing and configuring z/VM. 27 4.1 Installing z/VM from DVD . 27 4.1.1 Booting z/VM from DVD . 28 4.1.2 Copying a vanilla z/VM system to DASD . 31 © Copyright IBM Corp. 2010. All rights reserved. iii 4.1.3 IPL the vanilla z/VM from DASD . 34 4.1.4 Completing the z/VM installation. 36 4.2 Configuring TCP/IP . 38 4.2.1 Use the IPWIZARD tool . 38 4.3 Configuring the XEDIT profile . 40 4.4 Customizing the SYSTEM CONFIG file . 41 4.5 Configuring TCP/IP to start at IPL time . 43 4.5.1 Renaming the TCPIP configuration file. 44 4.5.2 Copy the PROFILE XEDIT file . 45 4.5.3 Configuring the FTP server. 45 4.5.4 Shutting down and reIPLing the system . 46 4.6 Adding paging volumes. 47 4.6.1 Formatting the paging volumes. 47 4.6.2 Formatting DASD for minidisks. 49 4.6.3 Updating the SYSTEM CONFIG file . 50 4.6.4 Testing the changes . 51 4.7 Creating a user ID for common files . 52 4.7.1 Define the user in the USER DIRECT file. 52 4.7.2 Logging and customizing the new user ID . 54 4.7.3 Copying a PROFILE XEDIT . 55 4.7.4 Creating a PROFILE EXEC . 55 4.7.5 Copying files associated with this book to LNXMAINT . 56 4.8 Customizing system startup and shutdown. 57 4.8.1 Configuring the AUTOLOG1 PROFILE EXEC . 57 4.8.2 Testing the changes . 58 4.9 Addressing z/VM security issues . 59 4.9.1 Changing passwords in USER DIRECT . 59 4.10 Backing up your z/VM system to tape. 61 4.11 Relabeling system volumes.