Phil Meyer wrote:
Joseph L. Casale wrote:
Good question, and yes, udev DOES keep track.
check in /etc/udev/rules.d for file names with *persistant* in them.
There are several, and one for -- you guessed it -- network/NIC data.
By removing the persistent file(s), udev will rebuild it with the
correct/current info.
This is how you install on one platform and put that disk into
another.:
Remove the udev persistant rules in the post-install.
Phil,
This is exactly what I did, I moved the file out altogether.
Should I have simply removed the line in it? It recreated the
file next boot with the old mac address only to still cause issues!
Thanks,
jlc
Yes, do not move (mv) the file, remove (rm) it. Copy it first to
some other directory if you wish, but do not leave any trace of the
original file anywhere udev can find it. :)
Good Luck!
One further clarification:
To make a 'clean' system disk that can be put into another system,
remove all the /etc/udev/rules.d/*persistant* and
/etc/sysconfig/network-scripts/*eth? and
/etc/sysconfig/network-scripts/*wlan? and /etc/X11/xorg.conf files.
I always do this in a post install, and have not tried it on a live
system. It may be necessary to do this from a rescue disk. I do not
know if a running udev will 'let you' remove that data.
Sorry to not be able to verify the steps on a previously running
system. I just don't do those.
However, every day I use a virtual machine on my desktop to install an
OS on Compact Flash Cards, and thumb drives, to be used in a variety of
equipment. This method works perfectly for that, with the exception
that I have to also rebuild the initrd image with drivers that anaconda
did not see during the install.
Here is what I use, for the curious:
My %post section includes this:
#
# fix udev rules for fake interfaces
#
rm -f /etc/udev/rules.d/70-persistent-net.rules
rm -f /etc/X11/xorg.conf
#
cat << _EOF > /etc/sysconfig/network-scripts/ifcfg-eth0
#
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=
IPV6INIT=no
ONBOOT=yes
DHCP_HOSTNAME=skid
TYPE=Ethernet
_EOF
#
# make sure usb-storage is in the initrd image
#
kernel=`ls /boot/vmli* | awk -F\- '{printf("%s-%s\n", $2,$3)}'`
initrd="/boot/initrd-${kernel}.img"
rm $initrd
mkinitrd --preload=ehci-hcd --preload=ahci --preload=libata
--preload=jbd --preload=ohci-hcd --preload=uhci-hcd
--preload=scsi_wait_scan --preload=usb-storage --preload=scsi_mod
--preload=sd_mod --preload=pata_amd --preload=ata_generic
--preload=pata_cs5536 --preload=pata_acpi $initrd $kernel
#
Good Luck
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