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So, I installed server edition 16.04. Network manager is not installed. 

> ~$ less /etc/network/interfaces

>#auto  enp3s0
>#iface lo inet loopback 
>iface enp3s0 inet dhcp

I have tried various combinations here, but with this spesifik config i can reboot and lo still comes up. Seems that no matter what I set i etc/network/interfaceses, it is ignored and the computer brings up lo and enp3s0 on every boot.

Can anyone help?

jarle
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1 Answers1

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The loopback interface, lo, is supposed to come up. It is an integral part of the system and shouldn’t be altered or defeated.

I suggest that you amend your file to:

auto lo
iface lo inet loopback

auto enp3s0
iface enp3s0 inet dhcp

Reboot the computer and check:

ifconfig

Did you get an IP address? Can you ping?

ping -c3 www.google.com

If you get ping returns, you’re all set.

chili555
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