On Sun, 20 Jul 2014 15:54:41 +0000, Amadeus W.M. wrote: > I have to install Matlab on a Fedora 20 machine and I need to rename the > network device to eth0, or else Matlab won't install. This is a known issue: > > http://www.mathworks.com/matlabcentral/answers/100235-why-can-t-i-activate-matlab-or-start-the-license-manager-in-a-newer-linux-environment#answer_109583 > > So, to revert to eth0, I follow these instructions: > > http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ > > > It says I have 4 options. I did ALL of them and still > > [root@phoenix ~]# /sbin/ifconfig > em1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 192.168.1.40 netmask 255.255.255.0 broadcast 192.168.1.255 > inet6 fe80::20c:f1ff:febc:29fe prefixlen 64 scopeid 0x20<link> > ether 00:0c:f1:bc:29:fe txqueuelen 1000 (Ethernet) > RX packets 713 bytes 306565 (299.3 KiB) > RX errors 0 dropped 0 overruns 0 frame 0 > TX packets 979 bytes 131054 (127.9 KiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > > etc. > > > Specifically, I have masked /usr/lib/udev/rules.d/80-net-name-slot.rules > by creating a link /etc/udev/rules.d/80-net-name-slot.rules -> /dev/null. > > [root@phoenix ~]# ls -l /etc/udev/rules.d/ > total 8 > -rw-r--r--. 1 root root 151 Jul 6 20:31 70-persistent-net.rules > lrwxrwxrwx. 1 root root 9 Jul 20 10:36 80-net-name-slot.rules -> /dev/null > -rw-r--r--. 1 root root 352 Apr 3 04:36 98-kexec.rules > > > I also have an /etc/udev/rules.d/70-persistent-net.rules: > > [root@phoenix ~]# cat /etc/udev/rules.d/70-persistent-net.rules > SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:f1:bc:29:fe", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" > > I also passed net.ifnames=0 to the kernel upon boot: > > [root@phoenix ~]# dmesg | grep ifnames > [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.15.6-200.fc20.i686+PAE root=UUID=aa696c85-f1d4-4bf3-9a93-b011ec8e9a6a ro vconsole.font=latarcyrheb-sun16 rhgb quiet net.ifnames=0 LANG=en_US.UTF-8 > > Someone must have figured this out. Can anybody please help me solve this? > > > > Also, NetworkManager might have something to do with this, because if I > right-click the NW applet -> Edit Connections, I do have a connection named > eth0, but if I try to edit that, the device MAC address is > > 00:0c:f1:bc:29:fe (em1) > > So NW somehow likes em1, despite all my efforts. If I stop and disable NW, > then the network does not even start upon boot, as it should. How do I tell > NW to leave my network alone and still have the network start upon boot? > > Thanks! More on this. Network Manager seems to do the right thing. In /var/log/messages: Jul 20 12:44:33 phoenix NetworkManager[1684]: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-lo ... Jul 20 12:44:33 phoenix NetworkManager[1684]: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth0 ... Jul 20 12:44:33 phoenix NetworkManager[1684]: ifcfg-rh: read connection 'eth0' So it reads /etc/sysconfig/network-scripts/ifcfg-eth0. Then [root@phoenix ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE="Ethernet" BOOTPROTO=none DEFROUTE="yes" IPV4_FAILURE_FATAL="no" IPV6INIT="yes" IPV6_AUTOCONF="yes" IPV6_DEFROUTE="yes" IPV6_FAILURE_FATAL="no" NAME="eth0" UUID="8b3948d3-4447-4016-8d24-1e26f65a3008" ONBOOT="yes" HWADDR=00:0C:F1:BC:29:FE IPADDR0=192.168.1.40 PREFIX0=24 GATEWAY0=192.168.1.1 DNS1=192.168.1.1 IPV6_PEERDNS=yes IPV6_PEERROUTES=yes Could avahi be doing something funny? Jul 20 12:38:15 phoenix avahi-daemon[478]: Network interface enumeration completed. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
