Blogger has the distinct 'abandonware' feel to it (and the editor is really frustrating for code snippets), so I'm migrating to Wordpress. You can find past and future posts at djanotes.wordpress.com. I hope you'll join me there.
How do you connect to a a wifi network with netplan? I hang out on the #netplan IRC channel on Freenode, and this comes up every so often. netplan - the default network configuration tool in Ubuntu 17.10 onwards - currently supports WPA2 Personal networks, and open (unencrypted) networks only. If you need something else, consider using NetworkManager directly, or falling back to ifupdown and wpa_supplicant for a little longer. Without further ado, here are tested, working YAML files for connection to my local WPA2 and unencrypted network. The only things that have been changed are the SSIDs and password. Both networks have a router providing dhcp4. In both cases I assume there's only one wifi device in the system - if this is not true, replace match: {} with something more specific. You can drop these in /etc/netplan and run netplan generate; netplan apply and things should work. The network will also be brought up on subsequent boots. Note that, as always in YAML...
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