Network

From ThinkPad X220 Ubuntu Configuration Guides, if wireless networking no longer works after resuming from suspend, enter the following command:

sudo systemctl restart network-manager.service

Enable WiFi

Networking on:

nmcli networking on

WiFi on:

nmcli radio wifi on

Connect

apt install wicd-curses

Re-start the computer…

List WiFi networks and connect:

wicd-curses