Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Installationshandbuch Seite 9
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Contents vii
11.3.2 Installing the necessary RPMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
11.3.3 Configuring the Samba configuration file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
11.3.4 Adding a Samba user . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
11.3.5 Starting Samba at boot time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
11.3.6 Testing your changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
11.3.7 Configuring printing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
11.4 Creating a virtual application development server . . . . . . . . . . . . . . . . . . . . . . . . . . 195
11.4.1 Additional resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Chapter 12. Servicing Linux with Red Hat Network. . . . . . . . . . . . . . . . . . . . . . . . . . . 199
12.1 Registering your system with RHN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
12.2 Installing and updating packages using yum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
12.3 Managing your Linux guest through RHN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Chapter 13. Miscellaneous tasks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
13.1 Adding DASD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
13.1.1 Adding minidisks to a virtual machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
13.1.2 Making new minidisks available to RHEL 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
13.2 Adding a logical volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
13.2.1 Creating a logical volume and file system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
13.2.2 Updating the file system table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
13.3 Extending an existing logical volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
13.3.1 Creating a physical volume. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
13.3.2 Extending the volume group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
13.3.3 Extending the logical volume and the file system . . . . . . . . . . . . . . . . . . . . . . . 212
13.4 Adding SCSI/FCP disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
13.4.1 Adding a single LUN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
13.4.2 Configuring multipathing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
13.4.3 Making the changes persistent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
13.5 Rescuing a Linux system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
13.5.1 Entering single user mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
13.5.2 Entering a rescue environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
13.6 Setting up Linux Memory Hotplugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
13.7 Using the cpuplugd service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
13.7.1 Determining the virtual CPUs being used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
13.7.2 Generating a workload to see cpuplugd work. . . . . . . . . . . . . . . . . . . . . . . . . . 226
13.7.3 Setting memory sizes with cpuplugd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
13.8 Hardware cryptographic support for OpenSSH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
13.9 The X Window System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
13.9.1 VNC server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
13.9.2 X Window System Server on workstation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
13.10 Centralizing home directories for LDAP users . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
13.10.1 Recommendations for centralizing home directories . . . . . . . . . . . . . . . . . . . 237
Chapter 14. Monitoring and tuning z/VM and Linux. . . . . . . . . . . . . . . . . . . . . . . . . . . 239
14.1 Using INDICATE and other commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
14.1.1 Using the INDICATE command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
14.1.2 Using other basic commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
14.2 The z/VM Performance Toolkit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
14.2.1 Configuring the z/VM Performance Toolkit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
14.2.2 Configuring web browser support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
14.2.3 Configuring PERFSVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
14.2.4 Increasing the size of the MONDCSS DCSS . . . . . . . . . . . . . . . . . . . . . . . . . . 248
14.2.5 Starting the z/VM Performance Toolkit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
- 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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