Netinstalling CentOS using Attansic L1 Gigabit Ethernet (aka HOWTO modify Red Hat based iso's bootkernel)

I needed to install CentOS 5.3 on a workstation with an “Attansic Technology Corp. L1 Gigabit Ethernet Adapter”, the driver for this kind of adapter (atl1e) was introduced in the version 2.6.26 of the kernel but CentOS 5.3 uses the 2.6.18 one. ElRepo provides an rpm with the atl1e.ko module backported for using with the 2.6.18 provided in CentOS so what I’m going to do is to insert the module taken from ElRepo on the CentOS netinstall iso.

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