Am 08.11.2015 um 20:42 schrieb Richard W.M. Jones:
On Sun, Nov 08, 2015 at 08:36:57PM +0100, Reindl Harald wrote:Am 08.11.2015 um 20:29 schrieb Richard W.M. Jones:On Sat, Nov 07, 2015 at 05:28:54PM +0000, Christopher wrote:I recently updated my desktop to f23, and it went smoothly, for the most part. However, it broke my mediatomb server because the NIC changed from em1 to eno1. Is this something that was expected? It certainly surprised me.It happened to a bunch of servers when I updated them from F22 to F23. Their NICs changed from p6p1 -> enp3s0. It was annoying because I had to boot each one with a display and keyboard and change the network configuration by hand. "predictable, stable network interface names" https://wiki.freedesktop.org/www/Software/systemd/PredictableNetworkInterfaceNames/that is simple to solve forever * add "net.ifnames=0 biosdevname=0" to your kernel params * get rid of NetworkManager * rename your ethernet-devices in the ifcfg-files based on the MAC * survives yum-upgardes from Fedora 9 to Fedora 23 * nobody needs NM and that other stuff on static configured servers * frankly even with a DHCP wan-interface it works perfectlyI agree, except it's not "simple" :-)
define simpleit's in any way simpler then find out after a update that you can no longer reaach your machine because all that "predictable" crap changed multiple times in the past with no gain for 99% of all setups (most have only one NIC and for them eth0 was as predictable as something can be)
Maybe giving permanent names to network interfaces (of our own choice or from a standard set) is something we should be able to choose at installation time?
yes that would make things way easier because when you have 5 network-interfaces and a plan what they are supposed to do you could start naming them and later just try out "who is who" by plugin a cable (they easy way with physical access while and after setup)
the same way when you see the MAC-address you giving the name you can plugin your cables before setup, depending on the hardware there may be some label which port has which MAC, however - the only "persistent" thing of a network-interface it's his MAC address
IMPORTANT: it *must* be clear where this paring is configured in case you need to replace a NIC and adtop the configuration
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