ubuntu server 20.04 wifi via netplan doesn’t work

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I’m not skilled in Linux, but I’m able to follow the guides. yet, it doesn’t work for me.
I ran this to get the wifi interface name:
ls /sys/class/net
I got the name. I configured the netplan yaml in /etc/netplan
password: “xxxxxxxxx”
dhcp4: true

I ran this without error and rebooted and yet it doesn’t work. if I install Ubuntu desktop, I can connect to my wifi network just fine…
sudo netplan apply –debug

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