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At this point the VM has DHCP enabled so the , and therefore it will receive a dynamic IP address suitable for your environment. The easiest way to access it the VM at that point is from the VM virtualization software terminal. We will set the IP so we can easily login from any terminal. So So go ahead and boot the VM, after the VM is finished booting you will be welcomed by a login prompt, login:User: root
Password: NM1$88. First, log in using the default credentials.
You now have three options to configure custom networking options:
- manual configuration
The VM appliance is a normal CentOS 6 system, hence all the mechanisms for network configuration in CentOS are available.
Most specifically you'll be interested in the files/etc/hosts
,/etc/sysconfig/network
,/etc/sysconfig/iptables
and/etc/sysconfig/network-scripts/ifcfg-eth0
. - use our example network configuration files
Root's home directory contains 2 example network configurations, one for static IP's and one for DHCP. Copy the one you require
...
to
/etc/sysconfig/network-scripts/
and edit it to suit:Code Block cp ifcfg-eth0.static /etc/sysconfig/network-scripts/ifcfg-eth0
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Now set the IP, netmask, gateway, and DNS if you like ( to add DNS you can add two lines, one for each server: DNS1=ip , DNS2=ip)
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Alternately
You could also install a text based UI to help you:
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; finally, run
service network restart
to activate.- use the menu-based tool
system-network-config
Simply type insystem-network-config
and follow the prompts.
Please note: in Opmantek VM appliances before 8.5.12G the tool is not preinstalled and you have to runyum install system-config-network
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-tui
first.
Troubleshooting Network Problems
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