Ubuntu – I accidentally deleted the network-manager and don’t have access to internet anymore

network-managernetworking

I cannot connect to any wifi connection since I deleted the network-manager. Is there any way to get it from another computer and then install it on mine or is there a way I can get an internet connection without the network-manager?

Best Answer

I suggest you edit a file:

gksudo gedit /etc/network/interfaces

Amend it to read:

auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet dhcp
wpa-essid myssid
wpa-psk mypasscode

Restart the interface:

sudo ifdown wlan0 && sudo ifup -v wlan0

Test:

ping -c3 www.ubuntu.com

If you get ping results, you are connected. If you wish, you may reinstall Network Manager and revert the file you amended to remove the wlan0 stanza.

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I think you can open your network manger, then open your normally chosen network connection. You then can put a click in the connect automatically, it's at the top.

Ubuntu – How to connect to internet after removing Network Manager

Please open a terminal and do:

gksudo gedit /etc/network/interfaces

Amend the file to:

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

Proofread, save and close gedit. Now do:

sudo ifdown eth0 && sudo ifup -v eth0

Your ethernet should now be connected so that you can re-install NM or Wicd. After doing so, repeat the process but remove the eth0 lines if you select NM. I believe the eth0 lines may remain for Wicd.

Best Answer

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