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120 The Virtualization Cookbook for Red Hat Enterprise Linux 5.2
8.1 Installing the golden image
In this section you will install the RHEL 5.2 golden image onto the user ID RHEL52.
8.1.1 Creating the user ID RHEL52
In this section you will define the RHEL52 user ID to z/VM.
1. Logon to MAINT and edit the USER DIRECT file:
==> x user direct c
2. Go to the bottom of the file and add the definition for a new user ID named RHEL52. This
user ID is given class G privilege only. Be sure to replace the volume labels (MMD956 and
MMD957, in this example) with the labels of your DASD:
USER RHEL52 LNX4VM 256M 1G BDEG
INCLUDE LNXDFLT
OPTION LNKNOPAS APPLMON
MDISK 100 3390 0001 3338 <MMD955> MR LNX4VM LNX4VM LNX4VM
MDISK 101 3390 0001 3338 <MMD956> MR LNX4VM LNX4VM LNX4VM
*
This Linux user ID will have the minidisks and virtual disks (VDISKs) listed in Table 8-1.
Table 8-1 Minidisks to be defined
3. Go back to the top of the file and search for string USER $ALLOC$. Add cylinder 0 of each of
the two new volumes to this dummy user ID so that they do not show up as gaps in the
USER DISKMAP report file:
====> top
====> /user $alloc$
USER $ALLOC$ NOLOG
MDISK A01 3390 000 001 <MVD850> R
MDISK A02 3390 000 001 <MVD853> R
MDISK A03 3390 000 001 <MVD854> R
MDISK A04 3390 000 001 <MMD857> R
MDISK A05 3390 000 001 <MMD856> R
MDISK A06 3390 000 001 <MMD952> R
MDISK A07 3390 000 001 <MMD953> R
MDISK A08 3390 000 001 <MMD954> R
MDISK A09 3390 000 001 <MMD955> R
MDISK A0A 3390 000 001 <MMD956> R
...
====> file
4. Run DISKMAP to check for overlaps and gaps. You should only see the single 501 cylinder
gap.
==> diskmap user
==> x user diskmap
Minidisk Description
100-101
Minidisks used to create the /boot file system, plus an LVM containing
the other file systems of the Linux golden image.
300-301
These are virtual disk (VDISK) swap spaces that are not defined in the
USER DIRECT file, but instead defined by calls to the SWAPGEN EXEC in the
user’s PROFILE EXEC so that when the user ID logs on, the VDISKs are
created.
- The Virtualization Cookbook 1
- Linux 5.2 3
- October 2008 3
- First Edition (October 2008) 4
- Contents 5
- Contents v 7
- Contents vii 9
- Trademarks 12
- The team that wrote this book 13
- Chapters and appendixes 15
- Conventions 17
- Comments welcome 17
- 1.1 What is virtualization 20
- 1.2 This book’s approach 21
- 1.4 Infrastructure design 22
- Planning 25
- 2.1 Bill of materials 26
- 2.2 z/VM conventions 27
- 2.3 Disk planning 28
- DASD versus SCSI/FCP 29
- 3390-3s versus 3390-9s 29
- Disk storage per Linux image 29
- 2.4 Memory planning 30
- 2.5 Password planning 30
- 2.6 Planning worksheets 31
- 2.7 Blank worksheets 34
- 2.7.2 z/VM DASD worksheet 35
- Configuring a desktop machine 37
- Figure 3-2 Setting logging 39
- Saving sessions 41
- 3.2 Setting up a VNC client 42
- 3.3 3270 emulators 43
- 4.1 Installing z/VM from DVD 46
- ==> instplan 50
- Running INSTDVD 52
- Figure 4-8 Load window 53
- ==> cold drain noautolog 54
- ==> no 54
- ==> disc 54
- 4.2 Configuring TCP/IP 56
- not specified 62
- 4.6 Adding paging volumes 65
- Using the CPFORMAT EXEC 67
- 4.6.4 Testing the changes 71
- 4.8.2 Testing the changes 78
- 4.9.1 VM security products 79
- ==> sampnss cms 86
- Servicing z/VM 89
- 5.1 Applying a PTF 90
- 6.4 Enabling the NFS server 106
- 7.2.3 Configuring VDISK swap 128
- 7.2.4 Configuring yum 128
- 7.2.5 Adding additional RPMs 129
- 7.2.10 Configuring SSH keys 134
- 4 6763) is running 135
- 8.2.4 Adding additional RPMs 145
- 8.2.8 Configuring SSH keys 145
- 8.2.9 Rebooting the system 146
- 8.2.10 Verifying the changes 146
- Detach the source disks 151
- Detach the target disks 154
- IPL the target system 154
- 9.3.2 Using the clone script 157
- FLASHCOPY 159
- Installation Server 159
- Master Image 159
- 9.5 Reviewing system status 163
- LNXMAINT 164
- Delete these 167
- Servicing Linux with Red Hat 171
- 12.1.2 Testing Apache 179
- 12.1.3 Turning on a firewall 179
- 12.1.6 Apache resources 182
- Start the LDAP service 184
- Deleting duplicate users 186
- Set a password 189
- 12.3.4 Adding a Samba user 191
- 12.3.6 Testing your changes 192
- 12.3.7 Configuring printing 193
- 12.4.1 Additional resources 194
- Linux kernel development 195
- Web development 195
- Miscellaneous recipes 197
- 13.1 Adding a logical volume 198
- Volume Group - optvg 200
- Creating a physical volume 204
- Extending the volume group 204
- /var/lib/ldap 205
- Configuring LDAP 206
- Configuring automount 207
- 13.4 Rescuing a Linux system 208
- Monitoring z/VM and Linux 211
- INIDICATE LOAD 212
- INDICATE QUEUES EXP 213
- Getting help 214
- Determining who is logged on 214
- Determining storage or memory 215
- Determining software level 215
- 14.2.3 Configuring PERFSVM 218
- Using a Web browser interface 220
- Using a 3270 interface 222
- 14.3 Monitoring Linux 223
- PURGE NSS NAME MONDCSS 228
- CP SAVESEG MONDCSS 228
- References 229
- Quick reference sheets 230
- Prefix commands 231
- :help give help 232
- Appendix B. z/VM source code 233
- The CPFORMAT EXEC 234
- The CHPW540 XEDIT macro 238
- The LABEL540 EXEC 241
- The LABEL540 XEDIT macro 243
- Linux source code 245
- Related publications 257
- Online resources 258
- How to get Redbooks 258
- Help from IBM 258
- Hat Enterprise Linux 5.2 265
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