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My wifi credentials have been changed but i can't change my raspi wifi connection. I can change it via the gui, but after a reboot, the old settings appear again in the wpa_supplicant.conf file.

Tried to change if via nano and cli but after rebooting, the old settings are appearing again.

I also tried to copy the wpa_supplicant.conf file to wpa_supplicant.conf_old file but after rebooting the pi, the original file was there and the backup disappeared.

Can somebody please help me locating the real wifi settings file so my wpa_supplicant.conf is not rewritten again with the old settings?

MichaelK
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    How did you try to change it? All you have told us is what didn't work. – Milliways May 23 '17 at 23:36
  • I tried both via cli and via the gui in the right topcorner what worked, but after a reboot or shutdown, internet is lost because the changes i made to the wifi configuration are lost again – MichaelK May 24 '17 at 04:20
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    the pi, the original file was there and the backup disappeared that is very unusual - what are you running? Raspbian? – Jaromanda X May 24 '17 at 05:28
  • Yes raspbian pixal on pi3 . I already did an apt-get update and upgrade. I have no idea how this can happen. Seems like during startup it reloads the same settings from a previous period. Also my datetime and timestamp are 2 months back in time. Until i set the wifi and it loads the correct time from the internet. – MichaelK May 24 '17 at 13:55
  • Follow this link: https://raspberrypi.stackexchange.com/questions/74593/wifi-not-working-on-fresh-install/105799#105799 – DRV Dec 11 '19 at 10:47
  • Just to be clear, are you editing the file /etc/wpa_supplicant/wpa_supplicant.conf, or are you editing the file /boot/wpa_supplicant.conf? – Seamus Sep 09 '20 at 21:14

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I think you have installed an extra network manager. No problem. Create a /boot/wpa_supplicant.conf file instead of the /etc/wpa_supplicant/wpa_supplicant.conf file. and when you reboot you will see it changed.

Fabian
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