[CentOS] is there a way to make the kernel see a new ethernet device without rebooting?

John Hodrien J.H.Hodrien at leeds.ac.uk
Tue Sep 27 14:08:09 UTC 2011


On Tue, 27 Sep 2011, Jon Detert wrote:

> I have a VMWare ESX server with virtual machines running CentOS.  I want to
> add an ethernet interface to one of the CentOS virtual machines.  VMWare
> allowed me to add a virtual NIC to the CentOS virtual machine while it was
> running.  However, the CentOS o.s. cannot see the new NIC.  Is there a
> command I can run to make the kernel aware of the new ethernet device?  I
> don't want to reboot the CentOS o.s. if I don't have to

Adding a NIC to VMWare with a CentOS 6 guest (e1000) works just fine here.  I
don't remember there being any problems with CentOS 5.

Does dmesg show evidence of the new device being attached?

jh



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