There is no internet connection after upgrade from 16.04 to 18.04

I just followed the instuctions from this post:

How to enable netplan on ubuntu server upgraded from 16.04 to 18.04

I added the following lines in to the config file: /etc/netplan/config.yaml (I had to install netplan and create the folder manually.) network: version: 2 renderer: networkd ethernets: eth0: dhcp4: true

But unfortunately I installed netplan instead of neplan.io.

After reboot, I lost every connection with my Odroid.

Server version
Netplan wasn't installed
There is no Wi-Fi hardware.

If I install netplan.io, will my odroid connect to the Internet again?

Edit:

dpkg -l netplan:

cat /etc/network/interfaces:

cat /etc/netplan/*.yaml:

sudo lshw -C network:

sudo apt install netplan.io:

After trying to install netplan.io we purged netplan. My brother will send the odroid to me then I fight further.

9

1 Answer

renderer: networkd is used in server installation.

network: version: 2 renderer: networkd ethernets: eth0: dhcp4: true

For desktop netplan uses renderer: NetworkManager and config looks like this /etc/netplan/01-network-manager-all.yaml

# Let NetworkManager manage all devices on this system
network: version: 2 renderer: NetworkManager

You can generate it (but need to remove /etc/netplan/config.yaml before)

sudo netplan --debug generate
sudo netplan apply
reboot

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