This is a companion discussion topic for the original entry at https://linuxconfig.org/ubuntu-20-04-connect-to-wifi-from-command-line
for my raspberry pi 4, I tried this and ran into error.
after a bit troubleshooting/searching I found there’s a missing step:
after config update, need to first run
sudo netplan generate
sudo netplan apply
It seems that this solution of “hardcoding” the wireless SSID has just solved my Ubuntu 20.04 suspend problem, where the wireless would not reconnect whatsoever when starting up from from the suspended state.
Thanks, that save me a lot of annoying restarts when I still have a lot of programs open and I need to suspend my laptop.
If a computer is connected simultaneously to a WiFi and Ethernet, it prioritizes Ethernet for internet access. Can I prioritize the WiFi for internet access with netplan?
Using the guide above netplan was configured properly but the underlaying system fails because
‘Ubuntu server 20.04’ does not include wpasupplicant (which is only 1.4Mb),
Connect an ethernet cable and restart computer then:
# run as su apt install wpasupplicant netplan apply # might need to do this as well systemctl daemon-reload
This solution was found on askubuntu, it was posted by nerkn
another gotcha: Trying to connect to a 5ghz router when my server only has 2.4Ghz support