ifcfg-* files vanishing

Bill Nottingham notting at redhat.com
Thu May 24 19:10:54 UTC 2007

Steve Hill (steve at nexusuk.org) said: 
> I'm not sure how to go about debugging this problem.
> If I set up a /etc/sysconfig/network-scripts/ifcfg-wlan0 file for my 
> wireless network NIC and ifup wlan0 then everything works.  If I reboot 
> and the wireless NIC is not present then during the boot process 
> something moves the ifcfg-wlan0 file to ifcfg-wlan0.bak. This is 
> obviously not great since then when the NIC becomes available again all 
> the config for it has vanished so I can't ifup it until I've put the 
> ifcfg-wlan0 file back.
> However, I have absolutely no idea what might be removing the 
> configuration on boot.  My only guess is that it might be Kudzu, but that 
> really is a bit of a blind guess.

Correct. It will probably create a new (generic) one when the device
appears again.


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