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How do you automatically detect a new network card in CentOS 6 / RedHat?
Fresh6 days ago
Mar 15, 2026287860 viewsConfidence Score0%
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Problem
I'm using CentOS 6 in a virtual environment. When cloning a virtual version of CentOS, the old eth adapters are "removed" and replaced with new ones and net MAC addresses. However, the ifcfg-ethn files still exist. I am trying to figure out how to get CentOS to automatically rescan & recreate the n…
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Fix for: How do you automatically detect a new network card in CentOS 6 / RedHat?
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With CentOS 6 everthing is handled by udev now. Go into and delete the file and reboot. If you open it berfore hand you will most likey see the original NIC MAC listed as and the new one as . Now you need to edit and manually update to the MAC of yo…
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