Linux Cluster Node Configuration

Linux Node1

  • In VirtualBox, Node1 > Settings > Network. Adapters 1, 2 & 3 should be enabled and set to “Bridged Adapter”.
  • Start the Linux VM to boot CentOS.
  • Login as root. Execute the below command…
ifconfig -a | grep eth[0-9]
  • You should see interfaces eth0, eth1 & eth2.
  • Run the command system-config-network-tui to configure the network interfaces.

7 - CentOS Network s

  • Select “Device Configuration”.
  • Choose eth0. Configuration details.
Name = eth0
Device = eth0
Use DHCP = Unselected
Static IP = 192.168.1.101
Netmask = 255.255.255.0
Gateway = 192.168.1.254 (or as appropriate)
DNS = 192.168.1.254
  • Click OK to save. Apply the following configurations to the remaining interfaces.

eth1

Name = eth1
Device = eth1
Use DHCP = Unselected
Static IP = 192.168.2.1
Netmask = 255.255.255.0

eth2

Name = eth2
Device = eth2
Use DHCP = Unselected
Static IP = 192.168.3.2
Netmask = 255.255.255.0
  • Run vi /etc/sysconfig/network. Change hostname to node1.
  • Check the files /etc/sysconfig/network-scripts/ifcfg-eth[0|1|2] that ONBOOT=yes. Change it if not.
  • Check you can ping google.co.uk.

Reboot Node1 and check the configuration. Next apply the following configuration to Node2 using the same process.

eth0

Name = eth0
Device = eth0
Use DHCP = Unselected
Static IP = 192.168.1.102
Netmask = 255.255.255.0
DNS = TBC
Gateway = 192.168.1.254

eth1

Name = eth1
Device = eth1
Use DHCP = Unselected
Static IP = 192.168.2.2
Netmask = 255.255.255.0

eth2

Name = eth2
Device = eth2
Use DHCP = Unselected
Static IP = 192.168.3.3
Netmask = 255.255.255.0
  • Run vi /etc/sysconfig/network. Change hostname to node2.
  • Check the files /etc/sysconfig/network-scripts/ifcfg-eth[0|1|2] that ONBOOT=yes. Change it if not.
  • Check you can ping google.co.uk

Reboot when done and check configuration.


Leave a Reply