On Friday 31 July 2015 10:04:26 Sebastian Kuzminsky wrote: > On 07/31/2015 06:24 AM, Gene Heskett wrote: > > A heads up of sorts. And really has nothing to do with LinuxCNC > > itself, just the installer. > > > > In the process of finding a machine suitable to use as a linuxcnc > > host, I ran into a thing with udev that was quite a pain in the ass > > until I discovered the reason. > > > > Moving the drive, with the latest updated install on it from machine > > to machine, I had networking failures anew everytime I moved the > > drive. > > I usually write our iso image to a USB stick with dd, then just boot > all the candidate machines from that USB stick. I use the Live mode > (which mounts the USB stick read-only) to test latency on new > hardware, this works great. > > > It seems some genius in charge of udev thought the interfaces should > > be renamed everytime the hardware changes, so udev, in its infinite > > wisdom, dutyfully finds and loads the correct driver for the > > hardware it has found. But some unknown place, it keeps track of > > how many different hardwares it has found, so since it had, by the > > time I wound up with it in the current machine, found several > > different families of hardware, it, quite a few lines on down in the > > dmesg report and easily missed, renames it, in the most recent > > machine, to eth5! Since my local network is hosts file based, I had > > to edit (after nuking network-mangler with extreme prejudice) my > > /etc/network/interfaces file so it used eth5. > > Udev tracks network interfaces it has seen in > /etc/udev/rules.d/70-persistent-net.rules. If you rm that file, it'll > forget all about the NICs it has seen.
I was told that on the debian list, but seem to have lost my round tuit. The work day for me is only so long is the best excuse I can muster on short notice. ;-) Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
