Thread: Question about mac address change

hello, everyone.

there way change mac address forever in ubuntu 9.10 ?

used 9.04 before, , use "gedit" /etc/init.d/bootmisc.sh modify something.
ex.
-------------------------------------------
sudo gedit /etc/init.d/bootmisc.sh

add following scripts:

ifconfig eth0 down
ifconfig eth0 hw ether 001122334455
ifconfig eth0 up
--------------------------------------------

mac address been changed automatically after ubuntu 9.04 started.

but, upgrade 9.04 9.10 , bootmisc.sh gone.
function of auto-change not working.

our department network rule following "one ip 1 mac address" .
have use 1 ip 2 computer,
other mac address changed every time.

can give me suggestions ?

there's tool you.

code:

sudo aptitude install macchanger

make note of previous mac address (where eth0 interface want at, run ifconfig list available interfaces)

code:

macchanger -s eth0

to change mac address run ( xx:xx:xx:xx:xx:xx new mac address)

code:

sudo macchanger --mac=xx:xx:xx:xx:xx:xx

run

code:

man macchanger

for more information

if want visual interface instead of command line install

code:

sudo aptitude install macchanger-gtk

i'm not sure how permanent changes macchanger makes is.

enjoy.

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