how to connect android phone with ubuntu 12.04 laptop for accessing laptop's internet connection over wifi

Question

i have an android ics phone and i want to use my wired internet connection on my laptop through wifi.

it can be done easily on windows 7 using softwares like virtual router or connectify.

is there any similar software for ubuntu. i am new to linux. i have

1.android 4.0.4

2.ubuntu 12.04

Answer 1

Some mobile devices doesn't able to detect the hotspot created on ubuntu by default method.
Solution for this problem is to install ap-hotspot software on Ubuntu.

For Ubuntu 12.10,13.04,13.10

Run these commands to install ap-hotspot.

sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install ap-hotspot

Run these commands to start and stop ap-hotspot.

sudo ap-hotspot start
sudo ap-hotspot stop

Run this command to configure ap-hotspot

sudo ap-hotspot configure

If it asks for WPA passphrase give a key with the minimum of 8 characters.

OR

For Ubuntu 12.04

you can download the script from here.This script requires Hostapd 1.0 which was available by default in Ubuntu 12.10,13.04,13.10.

For Ubuntu 12.04,add these two lines to /etc/apt/sources.list

deb http://ppa.launchpad.net/network-manager/ppa/ubuntu precise main
deb-src http://ppa.launchpad.net/network-manager/ppa/ubuntu precise main

and save the file and run the below commands in terminal.

sudo apt-get update
sudo apt-get install hostapd

Answer 2

Software Data Cable does it

With it I could connect to my phone with filezilla and write files on the sd card.