I know this question has been asked before and I have yet to find an answer. Is there a way to completely reset wifi or networking settings of ubuntu 14.04 LTS? I want to reset them, not fix an issue I have.
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What do you mean exactly with reset?– A.B.May 14, 2015 at 18:24
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What kind of changes you've made to your settings ?– Sergiy KolodyazhnyyMay 14, 2015 at 18:24
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@A.B. Reset the settings to default, purge all changes made, remove saved connections. Serg - There are a ton of connections saved and it was used for a hotspot. The wifi connections turns off and hotspot appears randomly without me doing anything. Also the connection is slow.– Stenli SMay 14, 2015 at 18:44
2 Answers
To remove your connections from Network Manager run:
sudo rm -f /etc/NetworkManager/system-connections/*; sudo pkill -9 NetworkManager
Just make sure you have passwords for wifi networks that you intend to use before you do so.
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Just a thought: First the kill command and then delete the configuration?– A.B.May 14, 2015 at 18:54
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What would this order achieve here? I want to remove all connections and have Network Manager re-read its configuration. Killing NM before altering its configuration is a no-op. May 14, 2015 at 18:57
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Saved my Ass. I was struggling with this freaking wifi issue for days. And this works a 100%. Thanks Sep 18, 2017 at 18:38
To delete all connections avaliable to NetworkManager:
echo $( nmcli -t -f UUID con list ) | xargs -n 1 nmcli con delete uuid
(this lists all UUIDs of connections and one by one removes deletes each connection, similar in effect to Marcin's answer , only no need for sudo access)
To reinstall NetworkManager
sudo apt-get --reinstall install NetworkManager