Howto change your MAC address in ubuntu Linux

To change the mac address of your ethernet port follow the steps below.

Type the following in a terminal with root permission

1. Disable your ethernet.
# ifconfig eth0 down

2. Configure new mac address.
# ifconfig eth0 hw ether 1b:2a:4c:4d:8e:9f
(1b:2a:4c:4d:8e:9f is only for example..give your preffered mac address)

3. enable your ethernet
# ifconfig eth0 up

Check your new MAC address by using

# ifconfig

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