How to change MAC address for Ubuntu

To change the MAC address permanently in Ubuntu :

# vi /etc/network/interfaces

Add the following lines :

auto eth0
iface eth0 inet dhcp
hwaddress ether 00:21:00:59:1f:86

Restart network service :

# /etc/init.d/networking restart

To change the MAC address Temporary in Ubuntu :

# sudo ifconfig eth0 down
# sudo ifconfig eth0 hw ether 00:21:00:59:1f:86
# sudo ifconfig eth0 up

Or you can add the previous lines into /etc/rc.local configuration file :

# vi /etc/rc.local

ifconfig eth0 down
ifconfig eth0 hw ether 00:21:00:59:1f:86
ifconfig eth0 up

Don’t forget to modify the configuration according to the interface (eth0,eth1,…)and the mac address you want to set.

Categories: Linux

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