Tiny howto for changing the MAC-Address of your hardware network interface (NIC). If a special firewall accept packets only from a special MAC-Address, with this work around you will trick it out to accept packets from your NIC:
ifconfig eth0 hw ether 02:01:02:03:04:08
This totorial was written as I tried to set up my new-VM with a new ordered IP-address on a Hetzner EQ-server line.
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