Unable to connect to wireless adhoc/hotspot with Ubuntu 11.10
Solution 1
Try this: Go to network connections -> Wireless choose the network you want to connect select edit->ipv6-settings->ignore
A technical note: We can use our wifi adapter (NIC) in four modes: managed, monitor, ad-hoc and Access Point(master).
Managed: It is the default mode. It helps us to connect to access points only. So if you are connected to AP it means your card is in managed mode.
Monitor: In this mode you don't connect to any of the networks but simply catch the packets in air. Usually used for hacking wifi passwords.
Ad-hoc: It is like a P2P connection. If two machines are connected via an ad-hoc connection both the machines should be in ad-hoc mode , using managed mode you can't connect to an ad-hoc but only access point.
Access Point: In this your card behaves like a router/access point. You need HostAP daemon to create an AP.
Now, if you can't create an ad-hoc connection this means your driver does not support ad-hoc mode and hence you can't connect to an ad-hoc network. But you should always be able to connect to an AP.
Solution 2
Make sure connection network is available in your list. If not then enter these lines in terminal:
sudo rfkill unblock all
This one enable your wireless networking.
Edit connection > Select network which you want to connect and Edit. In IP section try manual for adhoc. For example:
IP: 192.0.0.1
netmask: 255.255.255.0
gateway: 0.0.0.0and then connect your ad-hoc network
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Shrijit
A Linux advocate using Ubuntu for the past 5 years. Currently on Ubuntu 12.04 on a Lenovo Thinkpad W510.
Updated on September 18, 2022Comments
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Shrijit almost 2 years
I have the following Wireless adaptor Intel Corporation Centrino Ultimate-N 6300 (rev 35) Ever since I installed Ubuntu 11.10, I am unable to connect to an ad-hoc network. I assume it is not getting the ip address. Anybody with the same Wireless adaptor facing this issue on Ubuntu 11.10 (Shell) ? This used to work perfectly in Ubuntu 11.04.
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Admin over 12 yearsCan you edit the question to include the output of
sudo lshw -C network
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Admin over 12 yearsI'm having the same problems as OP - can't connect to Android mobile hotspot. What part of the output would you like to usee ? My wireless interface product: AR242x/AR542x. Vendor: Atheros. Bus info: pci@0000:03:00.0. config: broadcast=yes driver=ath5k driverversion=3.0.0-16-generic firmware=n/a wireless=IEEE 802.11bg
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echoblaze over 12 yearsi tried this and it didn't work =(