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Check the UUID for eth0

If you cloned a VM and need to reconfigure the network configuration for eth0, it will ask for the UUID of eth0

root@linux:~ # cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
TYPE=Ethernet
UUID=ffdc3088-dd65-4a81-b1e1-02f0a7252528
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=dhcp
HWADDR=08:00:27:9A:74:85
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME=”System eth0″

To view the current UUID for eth0 on your system use uuidgen

root@linux:~ # uuidgen eth0
ffdc3088-dd65-4a81-b1e1-02f0a7252528

View the MAC address using ip address list

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