Linux

Change ethernet settings using ethtool

Force network speed on a network card to 100 MBit Full Duplex and in the same time disable auto negotiation # ethtool -s eth0 speed 100 duplex full autoneg off These settings are active until you reboot the machine or restart the network. In order to keep this change on each system reboot, append the […]

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Linux

Determine which interface is eth0

It can sometimes be difficult to determine which networcard is eth0, eth1 and so on. A easy way to determine it is to use the ethtool command ethtool -p eth0 10 This makes the network cards LED blink for 10 seconds, and this happens without interrupting the network traffic. You do offcourse need physical access […]

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