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Setting up WiFi from the Command-Line

Find Interface Name

Run iwconfig command to get your wireless interface name.

Outputs: 

wlp37s0   IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:on

lo        no wireless extensions.

enp39s0   no wireless extensions.

Which makes wlp37s0 the interface name.

Scan for SID's

List the SID's in your neighbourhood where wlp37s0 is the if-name you found using the previous command.

iwlist wlp37s0 scan | grep ESSID

This grep filtered output wil provide of available SID's.

Needs still to be completed...