The Virtualization Cookbook for SLES 10 SP2 - z/VM - IBM

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Figure 13-2 Manual setting of DISPLAY variable The xhost + command allows any host to access the X Server. From a security point of view, this may not be a good idea. Even allowing just specific hosts is not enough, because X11 protocol itself is not secure. Using SSH tunneling removes this security exposure. SSH tunneling also prevents firewalls and NAT from breaking X11 communications. It is possible to use an external SSH client which allows X11 forwarding, or SSH client embedded in XliveCD itself. Both options are shown. Using PuTTY To use PuTTY for X11 forwarding, select X11 forwarding as shown in Figure 13-3. 218 The Virtualization Cookbook for RHEL 6
Figure 13-3 Allow X11 Forwarding in PuTTY As you can see in Figure 13-4, the DISPLAY environment variable contains the special value of localhost:10.0 which tells PuTTY to forward X11 protocol over SSH to SSH client address.In this case there is no need to enter xhost command because the connection appears to X Server as a local one. Figure 13-4 X11 forwarding with PuTTY Chapter 13. Miscellaneous recipes 219
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z/VM and Linux on IBM System z: The
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4.1.3 Copying a vanilla z/VM system
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8.2.4 Configuring the VNC server .
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14.4 Viewing Linux data in the Perf
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► Chapter 9, “Configuring RHEL
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Sue Baloga, Bill Bitner, Carol Ever
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z/VM 6.1 z/VM 6.1, available in Oct
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► Shared read-only Linux /usr/ fi
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6 The Virtualization Cookbook for R
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- DASD: 27 3390-3s or 9 3390-9s at
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2.2.2 Backup file naming convention
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One rule that can be recommended is
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2.6.2 z/VM DASD used in this book T
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2.7 Blank worksheets Blank copies o
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2.7.3 Linux resources worksheet Use
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Figure 3-1 PuTTY Configuration wind
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9. You may choose a larger screen s
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Click the Download and Use button.
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26 The Virtualization Cookbook for
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4.1 Installing z/VM from DVD or FTP
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Figure 4-2 Choosing two files to be
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► The LPAR that z/VM will be inst
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c. You should see the Disruptive Ta
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► You may need to clear the scree
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Figure 4-11 Load window ► When yo
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==> Press Enter at the VM READ prom
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Figure 4-14 IPWIZARD screen 2 ► A
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One default setting that can be dan
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Pay attention to the output. If you
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==> rename profile tcpip d poksnd61
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You should see that the VSWITCH VSW
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6285-6287 ATTACHED TO MAINT ► Use
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CP_Owned Slot 6 UP6285 CP_Owned Slo
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==> x user direct c ====> bottom ==
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4.7.2 Logging and customizing the n
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4.7.5 Copying files associated with
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4.8.2 Testing the changes To test y
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HCPDIR494I User directory occupies
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==> link * cf1 cf1 mr ==> acc cf1 f
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... ==> link $page$ a03 a03 mr ==>
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When SERVICE is successfully comple
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5.1.2 Downloading the service files
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==> deterse s8873950 shiprsu1 f = s
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***********************************
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APAR Component Description VM64774
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Figure 5-4 Downloading service for
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5.2.3 Verifying the zEnterprise 196
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5.4.1 Getting service using ShopzSe
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Figure 5-7 Getting fixes from Shopz
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► Use the SERVICE ALL command spe
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6.1 Installing Linux on the PC If y
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6.3.3 Copying the DVD contents Copy
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6.5 Configuring an FTP server for z
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6.5.3 Testing the anonymous FTP ser
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==> copy user direct c = direwrks =
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► Go back to the top of the file
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8016384 bytes sent in 00:01 (6.01 M
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LOGON AT 07:41:38 EDT WEDNESDAY 09/
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Figure 7-1 Initial screen of instal
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Figure 7-4 Splash screen and device
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► On the next screen the host nam
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► On the Add Partition screen, cr
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Figure 7-12 Creating a volume group
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# mount 9.60.18.240:/nfs/rhel6/dvd1
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# chkconfig --list | grep 3:on abrt
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► Edit /etc/init/control-alt-dele
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► View your order with the swapon
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MDISK 100 3390 0001 3338 UM63A2 MR
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NFS server directory you just set u
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► A warning screen will appear as
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► Click Create and on the resulti
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dev/dasda1 on / type ext4 (rw) proc
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► Import the RPM GPG key so that
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This allows the cloner to initiate
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DASD 63AA FR63AA , DASD 63AB FR63AB
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There are many ways to clone Linux
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0.0.0100 active dasda 94:0 ECKD 409
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Initializing cgroup subsys cpuset I
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4 If you specified a value for 3 ab
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Then the SSH keys are regenerated i
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USER $ALLOC$ NOLOG MDISK A01 3390 0
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► Verify that the new user IDs ha
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# cd /nfs # mkdir ks # cd ks ► Co
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RUNKS=1 cmdline ====> file ► Next
Page 180 and 181: 168 The Virtualization Cookbook for
Page 182 and 183: 11.1.2 Testing Apache apr-util-ldap
Page 184 and 185: ► To allow Web traffic through, y
Page 186 and 187: Complete! OpenLDAP should now be in
Page 188 and 189: gidNumber: 10000 homeDirectory: /ho
Page 192 and 193: This change will create an SMB shar
Page 194 and 195: Figure 11-2 Mapping a network drive
Page 196 and 197: Dependency Installed: apr.s390x 0:1
Page 200 and 201: discarded, and later when all is te
Page 204 and 205: ► Add minidisk statements to defi
Page 206 and 207: 13.2 Adding a logical volume There
Page 208 and 209: In this example, there are 586 free
Page 210 and 211: # reboot Broadcast message from roo
Page 212 and 213: old desc_blocks = 1, new_desc_block
Page 214 and 215: card_version hardware_version peer_
Page 216 and 217: # ls access_denied in_recovery stat
Page 218 and 219: ==> #cp vi vmsg 0 1 In single user
Page 220 and 221: Note: if the rescue image cannot fi
Page 222 and 223: -/+ buffers/cache: 98 654 Swap: 761
Page 224 and 225: idle The current idle percentage Th
Page 226 and 227: 200+0 records out 209715200 bytes (
Page 228 and 229: ► Rerun the same scp commands: #
Page 232 and 233: Using embedded SSH It is also possi
Page 236 and 237: 14.1.1 Using the INDICATE command z
Page 238 and 239: list. Normal virtual processors in
Page 240 and 241: ► The Program Directory for Perfo
Page 242 and 243: a. Use the VMLINK command to both l
Page 244 and 245: 14.2.4 Increasing the size of the M
Page 246 and 247: Figure 14-1 Performance Toolkit log
Page 248 and 249: Figure 14-3 Performance Toolkit 327
Page 250 and 251: 14.4 Viewing Linux data in the Perf
Page 252 and 253: A.2 Online resources These Web site
Page 254 and 255: 1. Input mode - the Insert key, i,
Page 256 and 257: B.2 z/VM REXX EXECs and XEDIT macro
Page 258 and 259: parse upper var dasds dasd dasds da
Page 260 and 261: eturn retVal /* from formatOne */ /
Page 262 and 263: 'command c/USER 6VMRSC10 6VMRSC10/U
Page 264 and 265: B.3 Linux code end /* else */ This
Page 266 and 267: # If there are still command line a
Page 268 and 269: cp_cmd LINK $source_id $source_mdis
Page 270 and 271: 3) # user ID does not exist echo "$
Page 272 and 273: [ $? -ne 0 ] && echo "Error: timed
Page 274 and 275: shift fi # If no command line optio
Page 276: 264 The Virtualization Cookbook for
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