RAC Attack - Oracle Cluster Database at Home/Configure Node 2

 In the VMware console, go to the Virtual Machine menu and choose Add Virtual Machine to Inventory.

 Browse to RAC11g/collabn2 and open collabn1.vmx. Make sure you browse to the right folder!

 In the Inventory tab at the left, select the new VM – collabn2. Choose the Console tab and click the play button to start the VM.

 The VMware console should ask you whether you copied or moved the VM. Answer that you copied the files and click OK.

 When you see the square boxes, click anywhere to open a console window.

 Login as the oracle user with the password racattack.

 Open a terminal ( Applications >> Accessories >> Terminal ) and switch to the root user.



 CONFIRM that the IP address of eth1 starts with 172.16.100.

[root@collabn1 ~]# ifconfig|grep net eth1     Link encap:Ethernet  HWaddr 00:0C:29:C9:3E:C8 inet addr:172.16.100.129 Bcast:172.16.100.255  Mask:255.255.255.0 inet addr:127.0.0.1 Mask:255.0.0.0

</li><li style="margin-top:3em"> Update the IP addresses by directly editing the linux network configuration files. Update the BOOTPROTO line and add the remaining lines.

COMMENT or DELETE the line which begins with HWADDR.

[root@collabn1 ~]# cd /etc/sysconfig/network-scripts [root@collabn1 network-scripts]# gedit ifcfg-eth0 BOOTPROTO=none IPADDR=192.168.78.52 NETMASK=255.255.255.0 GATEWAY=192.168.78.2 [root@collabn1 network-scripts]# gedit ifcfg-eth1 BOOTPROTO=none IPADDR=172.16.100.52 NETMASK=255.255.255.0
 * 1) HWADDR=...
 * 1) HWADDR=...

</li><li style="margin-top:3em"> Update the DNS search domain

[root@collabn1 network-scripts]# gedit /etc/resolv.conf search vm.ardentperf.com nameserver 192.168.78.2

</li><li style="margin-top:3em"> Update the HOSTNAME by editing the linux system configuration files. Set it to collabn2.vm.ardentperf.com. Then change the active system hostname with the hostname command.

[root@collabn1 network-scripts]# gedit /etc/sysconfig/network HOSTNAME=collabn2.vm.ardentperf.com [root@collabn1 network-scripts]# hostname collabn2.vm.ardentperf.com

</li><li style="margin-top:3em"> As root, restart the network services by typing service network restart. Then confirm the new ip addresses with ifconfig. Confirm that search domain by inspecting /etc/resolv.conf – if the file has reverted then edit it again. (The change stuck after the second time I edited the file while walking through this lab.) Also confirm the new hostname with hostname.



</li><li style="margin-top:3em"> Exit your terminal session and start a new one so that you can see the updated hostname in the prompt.

</li><li style="margin-top:3em"> Edit /etc/hosts. EDIT the line with 127.0.0.1 and then ADD all of the other lines below:

[root@collabn2 etc]# vi /etc/hosts 192.168.78.51  collabn1 collabn1.vm.ardentperf.com 192.168.78.61  collabn1-vip collabn1-vip.vm.ardentperf.com 172.16.100.51  collabn1-priv collabn1-priv.vm.ardentperf.com 192.168.78.52  collabn2 collabn2.vm.ardentperf.com 192.168.78.62  collabn2-vip collabn2-vip.vm.ardentperf.com 172.16.100.52  collabn2-priv collabn2-priv.vm.ardentperf.com 192.168.78.250 collab-scan collab-scan.vm.ardentperf.com 192.168.78.251 collab-gns collab-gns.vm.ardentperf.com 127.0.0.1      localhost.localdomain localhost ::1            localhost6.localdomain6 localhost6

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