lspci
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
05:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)

sudo rfkill list
sudo rfkill block 0
sudo rfkill unblock 0

ip link set dev eth0 up

sudo iwlist wlan0 scan

http://www.oldnix.org/rfkill/

https://unix.stackexchange.com/questions/92799/connecting-to-wifi-network-through-command-line