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enter image description hereI m new to linux. I changed my wifi password and was trying to reconnect to it but I failed when I type

ifconfig wlan0

I get error message. something like no such device found

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  • Welcome to U&L please edit by adding the output of iwconfig and lspci -knn | grep Net -A2 and specify your linux distro
    – GAD3R
    Dec 16, 2016 at 11:10
  • i edited it with the output of iwconfig and lspci -knn | grep Net -A2 Dec 23, 2016 at 13:13
  • i m currently using my net through USB Dec 23, 2016 at 13:14
  • the answer of @Zumo de Vidrio is correct
    – GAD3R
    Dec 23, 2016 at 13:31
  • how do i connect to my new wifi please provide me steps Dec 23, 2016 at 13:33

2 Answers 2

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Are you sure that you actually have a network device called wlan0? It seems that your wifi NIC is called "wlp5s0".

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  • So how do i connect to any wifi ? Dec 23, 2016 at 13:15
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Under systemd your interface is renamed from wlan0 to wlp5s0

After changing the wifi password , clic on Edit connections > select your Wifi > Edit > Wifi Security then change the password. Save and connect from the nm-applet

Also you can edit your connection from the terminal by runing : sudo nmtui

Edit a connection >> select the wifi connecion >> edit >> change the password >> OK

Predictable Network Interface Names

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  • What's systemd and why does it rename the interface?
    – Daniel Que
    Jan 14, 2018 at 1:07

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