I cloned my Ubuntu Server 17.04 from a virtualbox to a physical machine as that machine was serving so I wanted to setup a new one without taking down the current install. After replacing my old system with the img i made of the virtualbox machine everything worked fine, it booted fine and my stuff was all there except for my internet.

lspci shows my RT8111/8168/8411 ifconfig shows only virtualbox adapters and a enp0s3 adapter which I don't know what this is.

There does not appear to be a /etc/udev/rules.d/70-persistent-net.rules file anymore (Is this changed? it used to be there on my 15.04 install)

How do I fix this??

Output of cat /etc/network/interfaces:

OP's picture from comments under deleted answer

  • Interesting. I'll look at this after I get back home. I might have an idea now as to what's going on. – Kaz Wolfe Oct 12 '17 at 23:13
  • Alright, I will wait for it. – КодСерфинг145 Oct 12 '17 at 23:14
  • Also, when I do sudo ifup enp0s3 it returns Cannot find device 'enp0s3' – КодСерфинг145 Oct 12 '17 at 23:35

Alright I happen to fix the issue, After all I was looking at the wrong spots as @Kaz Wolfe suggested and I thought in the first place that my ethernet adapter was enp0s3 but after all it was enp2s0 I changed the /etc/network/interfaces file to be the following

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp2s0
iface enp2s0 inet static

Then I simply ran sudo service networking restart and ping google.com and it worked! It still does contain a lot of other network interfaces which I am not sure of what they are doing there but I think it has to do with docker and mapping ports so I will leave them alone.

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  • 1
    This is "the proper answer" for ubuntu 15.x and later! – Aleksandar Pavić Jun 7 '18 at 7:21

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