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I have followed a number of tutorials recommending different things with netplan for connecting to the internet. None of them have worked. Should i be trying to connect with something else? or should netplan work and i have done something wrong? If you know of some tutorial i can follow that would help that would be much appreciated, thanks.

  • What tutorials specificaly did you follow, what didn't work, what was the output? Netplan is certainly the recommended interface to use on Ubuntu 20.04. – slangasek Jun 11 at 17:50
  • Could you please show the netplan config from /etc/netplan/*.yaml which is not working for you? – Lukas Maerdian Jun 22 at 15:26
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If Netplan doesn't work, one alternative (there might be others) is to connect up to the wireless LAN the old-fashioned way using wpa_supplicant:

Note: All these commands should be run as root or with sudo:

First, check which interfaces you are working with:

ip link

You should see an interface beginning with "wlan" or "wlp" - for example: wlan0 or wlp2s0. Bring this interface up:

ip link set <interface> up

For example, if wlp2s0 is the interface:

ip link set wlp2s0 up

Create the wpa_supplicant configuration file with the following command (assuming your network is WPA-PSK encrypted):

wpa_passphrase "<SSID>" "<Password>" > /etc/wpa_supplicant/wpa_supplicant.conf

For example:

wpa_passphrase "MyHomeNetwork" "abcd1234" > /etc/wpa_supplicant/wpa_supplicant.conf

Start wpa_supplicant in the background:

wpa_supplicant -Bc /etc/wpa_supplicant/wpa_supplicant.conf -i <interface>

Finally, if you are using a DHCP connection, start dhclient:

dhclient <interface>

Now test your connection (optional):

ping ubuntu.com -c 5
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  • Thank you so much this worked! – jap101 Jun 11 at 11:23

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