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Following wifi access point guide, eth0 no longer works
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Following wifi access point guide, eth0 no longer works

by Virg74 on Sun Feb 02, 2020 5:33 pm

I followed the Adafruit "Setting up a Raspberry Pi as a WiFi access point" guide located here: https://learn.adafruit.com/setting-up-a-raspberry-pi-as-a-wifi-access-point/install-software

and I discovered that I'm no longer able to access via ssh. Digging a little deeper I found that eth0, which is plugged directly to my router, no longer appears when I type ifconfig. (when I enter "sudo ifconfig eth0 up" it appears again, but only with an ipv6 address)

I'm using the latest Buster on a Pi 3B v2.

I don't know if it is related or not, but I veered from the guide in /etc/network/interfaces because my file was completely different than the guide described.

In /etc/network/interfaces, I commented out the line:
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source-directory /etc/network/interfaces.d


and replaced it with the following which may or may not be correct, but it was my best guess:
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auto lo

iface lo inet loopback
iface eth0 inet dhcp

allow-hotplug wlan0

iface wlan0 inet static
  address 10.0.3.1
  netmask 255.255.255.0


I'm sure this guide is somewhat outdated, but I don't know where I went wrong.
Can you help me get back online?

Virg74
 
Posts: 5
Joined: Wed Jun 14, 2017 3:44 pm

Re: Following wifi access point guide, eth0 no longer works

by Virg74 on Sun Feb 02, 2020 6:23 pm

Great. I found an error: in /etc/network/interfaces, I added:

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auto eth0


and that got me back online.

I'm now able to reach the internet through this pi, after following this guide. But I'm getting a boot message that says:

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[FAILED] Failed to start dhcpcd on all interfaces. See 'systemctl status dhcpcd.service' for details


Everything that I see when I run that systemctl status command is greek to me, I'm not sure what needs to happen to clean this up

Virg74
 
Posts: 5
Joined: Wed Jun 14, 2017 3:44 pm

Please be positive and constructive with your questions and comments.