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New Ubuntu Server 14.04 instance for installation on a dedicated server. Everything required is setup as a vbox guest then I add the drive to the allocated server. When I was using 12.04, my last step would be to rm -f /etc/udev/rules.d/70-persistent-net.rules to reset eth0.

Ubuntu 14.04 does not use 70-persistent-net.rules anymore. Does anyone know how to reset eth0 for auto config on boot using the new network adapter?

Ubuntu: Network driver reset to eth0?

HowTo: Fix a missing eth0 adapter after moving Ubuntu Server from one box to another.

Launchpad Bug #1312785: ethernet Interface naming has changed

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MasterJohn
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Starting with v197 systemd/udev will automatically assign predictable, stable network interface names for all local Ethernet, WLAN and WWAN interfaces. This is a departure from the traditional interface naming scheme ("eth0", "eth1", "wlan0", ...), but should fix real problems.

See if this helps; here and over there some more background on the topic, if you're interested.

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gxx
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  • I edited /etc/network/interfaces to match the current convention for embedded NICs. eth0 to em1. Is this an acceptable answer? I will force the use of eth0 in the future due to other servers using dedicated network cards. http://askubuntu.com/questions/578650/interface-device-name-em1-to-eth0-linux-14-04-lts – MasterJohn Jan 04 '16 at 06:17
  • I have fixed the issue with the current server by changing the name but a better solution in the future will be to ensure eth0 is used. I'll mark your answer as the solution. Thanks for the assistance. The links you posted are required reading. – MasterJohn Jan 05 '16 at 01:59