16 thoughts on “how to turn on / off your wifi network card in the Ubuntu terminal

  • It tells me
    sudo: ifconfig: command not found
    What should I do

  • Use the Wi-Fi button on the computer at the top somewhere to turn it on and off you don't need command prompt. Besides computers without the hardware can't run the software for Wi-Fi.

  • Thanks for the content. It is very useful to me. May I suggest that next time, you get a little closer to the microphone. Thanks again.

  • hey when I type "sudo iwconfig wlan0 up"
    it's showing that unknown command "up"…
    what to do

  • After typing sudo ifconfig wlan0 up, It says operation not possible due to RF-kill…

  • i have a Toshiba L755 i tried every fix but the only thing it worked for me is this one:
    I had to remove the battery and disconnect the charger, press the power
    button for at least thirty seconds, put it all back together and boot
    into bios. From there I had to restore system defaults, save changes,
    and presto, wireless is working again.

  • I dislike how quiet this guy is in the video he needs to yell scream or something to be heard without turning up the volume

  • When I type sudo ifconfig wlan0 up I get SIOCSIFFLAGS: Input/output error

  • when i type iwconfig the eth0 and lo appears but shows no wireless extinsions and wlan0 doesnot appears what to do ? help me plz

  • Hi, I get the same thing as SuperScientific.  SIOCSIFFLAGS: Operation not possible due to RF-kill.

  • that will turn wifi off in the system .. but physically wifi adapter will still working ..

  • Thank guy, I installed kcfe, however the network manager doesn't support this function.
    Your guide helped me.

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