Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Manuale di Installazione Pagina 183
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Chapter 9. Configuring RHEL 6 for cloning 163
DMSACP723I A (191) R/O
DMSACP723I C (592) R/O
DIAG swap disk defined at virtual address 300 (64989 4K pages of swap space)
DIAG swap disk defined at virtual address 301 (129981 4K pages of swap space)
Do you want to IPL Linux from minidisk 100? y/n
y
zIPL v1.8.2-28.el6 interactive boot menu
0. default (linux)
1. linux
Note: VM users please use '#cp vi vmsg <input>'
Please choose (default will boot in 5 seconds):
Booting default (linux)...
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 2.6.32-71.el6.s390x (mockbuild@s390-004.build.bos.redhat.com) (gcc
version 4.4.4 20100726 (Red Hat 4.4.4-13) (GCC) ) #1 SMP Wed Sep 1 01:38:33 EDT
2010
setup: Linux is running as a z/VM guest operating system in 64-bit mode
...
gpok224 login:
Your new system should come up cleanly using the modified IP address and host name. If it
does, then congratulations! You have now cloned a Linux system manually. You can look
around the new system. It should be identical to the golden image except for the IP address
and host name.
Next you will learn how to clone a Linux system automatically. You will use the LINUX01 user
ID again. To clone, the target user ID must be logged off. You could shut the new system
down cleanly, but because you will be cloning again, it does not matter. Go to the 3270
session and log off the LINUX01 user ID:
==> #cp log
9.4 Cloning a new virtual server
Now that you have cloned a server manually and better understand the steps, you can use
the clone script to clone automatically.
9.4.1 Using the /etc/sysconfig/clone configuration file
The /etc/sysconfig/clone configuration file can be used to change global settings. The
following variables can be set:
# cat /etc/sysconfig/clone
# AUTOLOG - If set to "y" the script will autolog the cloned
# image after the cloning is completed. If it is
# set to "n" the image will not autolog the cloned
# image.
AUTOLOG=y
- 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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