Fix Wifi after suspend (Ubuntu 16.04 / ‘Device not ready’)
On Ubuntu 16.04, Wifi occasionally gets stuck after suspend on my laptop.
Running sudo systemctl restart network-manager.service fixes it.
To have this run automatically after resume, open a command line and type:
sudo nano /etc/systemd/system/wifi-resume.service
Now paste the below script in there with a right click, and exit by pressing CTRL + X and press Y to save.
Now to activate the service:
sudo systemctl enable wifi-resume.service
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#/etc/systemd/system/wifi-resume.service #sudo systemctl enable wifi-resume.service [Unit] Description=Restart networkmanager at resume After=suspend.target After=hibernate.target After=hybrid-sleep.target [Service] Type=oneshot ExecStart=/bin/systemctl restart network-manager.service [Install] WantedBy=suspend.target WantedBy=hibernate.target WantedBy=hybrid-sleep.target |
Found here