Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Installationshandbuch Seite 8
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vi z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0
8.1.1 Creating the RH6GOLD user ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
8.1.2 Adding RH6GOLD to AUTOLOG1 PROFILE EXEC. . . . . . . . . . . . . . . . . . . . . . 139
8.1.3 Preparing the RH6GOLD bootstrap files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
8.1.4 Installing RHEL 6 on the golden image. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
8.1.5 Verifying the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
8.2 Configuring the golden image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
8.2.1 Configuring the automount of the installation tree. . . . . . . . . . . . . . . . . . . . . . . . 148
8.2.2 Configuring the yum command for online updates . . . . . . . . . . . . . . . . . . . . . . . 149
8.2.3 Turning off unneeded services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
8.2.4 Configuring the VNC server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
8.2.5 Setting system to halt on SIGNAL SHUTDOWN . . . . . . . . . . . . . . . . . . . . . . . . 151
8.2.6 Setting the system to log off when Linux is shut down . . . . . . . . . . . . . . . . . . . . 151
8.2.7 Configuring SSH keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
8.2.8 Changing the order of the swap disks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
8.2.9 Other configuration changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
8.2.10 Rebooting the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
8.2.11 Verifying the changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Chapter 9. Configuring RHEL 6 for cloning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
9.1 Formatting DASD for minidisks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
9.2 Defining a new user ID for a virtual server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
9.2.1 Adding LINUX01 to AUTOLOG1’s PROFILE EXEC. . . . . . . . . . . . . . . . . . . . . . 157
9.3 Cloning a virtual server manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
9.4 Cloning a new virtual server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
9.4.1 Using the /etc/sysconfig/clone configuration file . . . . . . . . . . . . . . . . . . . . . . . . . 163
9.4.2 Creating a configuration file for LINUX01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
9.4.3 Using the clone script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
9.5 Defining three more virtual machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
9.5.1 Defining three more user IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
9.5.2 Creating three new configuration files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
9.5.3 Adding new virtual machines to the startup process. . . . . . . . . . . . . . . . . . . . . . 171
9.5.4 Testing logging on to a new user ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
9.6 Reviewing system status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Chapter 10. Installing Linux with kickstart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
10.1 Configuring the cloner for kickstart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
10.2 Configuring the LINUX02 user for kickstart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
10.3 Kickstarting the LINUX02 user . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Chapter 11. Cloning open source virtual servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
11.1 Creating a virtual web server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
11.1.1 Installing Apache RPMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
11.1.2 Testing Apache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
11.1.3 Turning on a firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
11.1.4 Configuring SSL for Apache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
11.1.5 Populating your website . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
11.1.6 Apache resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
11.2 Creating a virtual LDAP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
11.2.1 Installing the OpenLDAP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
11.2.2 Configuring the OpenLDAP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
11.2.3 Adding an LDAP user . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
11.2.4 Configuring an LDAP client. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
11.3 Creating a virtual file and print server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
11.3.1 Cloning a Linux virtual server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
- Enterprise Linux 6.0 1
- February 2011 3
- First Edition (February 2011) 4
- Contents 5
- Contents v 7
- Contents vii 9
- Trademarks 12
- Chapters and appendixes 13
- Conventions 14
- The team who wrote this book 15
- Special thanks 15
- Comments welcome 16
- Preface xv 17
- Summary of changes 19
- 1.1 What is virtualization 23
- 1.4 Infrastructure design 24
- Planning 27
- 2.1 Bill of materials 28
- 2.2 z/VM conventions 29
- Real address 30
- LPAR identifier 30
- 2.3 Disk planning 31
- 2.4 Memory planning 32
- 2.5 Password planning 32
- 2.6 Planning worksheets 33
- 2.7 Blank worksheets 36
- 2.7.2 z/VM DASD worksheet 37
- Configuring a desktop machine 39
- Figure 3-2 Setting logging 41
- Saving sessions 43
- 3.2 Setting up a VNC client 44
- 3.3 3270 emulators 45
- Figure 4-3 Recovery menu 51
- Running INSTDVD 57
- Figure 4-11 Load window 58
- 4.2 Configuring TCP/IP 61
- 4.6 Adding paging volumes 70
- Using the CPFORMAT EXEC 72
- 4.6.4 Testing the changes 76
- 4.8.2 Testing the changes 83
- 4.9.1 VM security products 84
- clipping the volumes 90
- Servicing z/VM 93
- Chapter 5. Servicing z/VM 75 95
- Chapter 5. Servicing z/VM 77 97
- Chapter 5. Servicing z/VM 79 99
- S9338801 in this example): 100
- Chapter 5. Servicing z/VM 81 101
- Chapter 5. Servicing z/VM 85 105
- Chapter 5. Servicing z/VM 87 107
- 5.4 Applying a PTF 108
- Chapter 5. Servicing z/VM 89 109
- Chapter 5. Servicing z/VM 91 111
- Chapter 5. Servicing z/VM 93 113
- Chapter 5. Servicing z/VM 95 115
- Configuring an NFS/FTP server 117
- 6.4 Enabling the NFS server 120
- 7.1 Installing the cloner 126
- Figure 7-2 NFS setup panel 135
- 7.2 Configuring the cloner 147
- 7.2.8 Configuring SSH keys 153
- 7.2.12 Rebooting the system 155
- 7.2.13 Verifying the changes 155
- Figure 8-4 166
- 8.2.7 Configuring SSH keys 172
- 8.2.10 Rebooting the system 173
- 8.2.11 Verifying the changes 173
- Detaching the source disks 180
- 9.4.3 Using the clone script 185
- 9.6 Reviewing system status 193
- 11.1.2 Testing Apache 202
- 11.1.3 Turning on a firewall 203
- 11.1.6 Apache resources 205
- 11.2.3 Adding an LDAP user 207
- 11.3.4 Adding a Samba user 212
- 11.3.6 Testing your changes 213
- 11.3.7 Configuring printing 215
- 11.4.1 Additional resources 217
- Servicing Linux with Red Hat 219
- Miscellaneous tasks 223
- 13.1 Adding DASD 224
- 13.2 Adding a logical volume 226
- Volume Group - homevg 227
- 13.4 Adding SCSI/FCP disks 233
- 4014402600000000. Change the 235
- 13.5 Rescuing a Linux system 239
- 13.9 The X Window System 251
- Using PuTTY 254
- Using embedded SSH 256
- INIDICATE LOAD 260
- INDICATE QUEUES EXP 261
- Getting help 262
- Determining who is logged on 262
- Determining storage or memory 263
- Determining processors 263
- 14.2.3 Configuring PERFSVM 266
- Using a web browser interface 270
- Using a 3270 interface 272
- 14.3 Monitoring Linux 274
- References 277
- Cheat sheets 278
- A vi cheat sheet 279
- Additional material 281
- Related publications 283
- Online resources 284
- Help from IBM 285
- Hat Enterprise Linux 6.0 293
- Back cover 296
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