How to Reset Forgotten Password Quickly On Ubuntu Server 12.04

If you have forgotten your User password, Many people face this problem you are not alone. It is probably one of the most common tech support problems. Luckily if you are using Ubuntu   they made it incredibly easy to reset your password.

So First Step is Boot in to Recovery Mode:

After some processing, You will see the following screen. Now select "root - Drop to root shell prompt" and press "Ok"

If you forgot your username enter this command to know:

• ls /home

In linux case is sensitive about username and password, If you have upper case than you need to enter same letters.
Now Enter following command to reset your password:

• passwd username

For example (See the picture above):

• passwd noobslab

Now enter your new password and confirm it.
Reboot pc with this command:

• exit

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Step By Step for install Nvidia Drivers on Ubuntu 12.04

Many people are facing problem with Nvidia latest drivers, Users usually asked here about their problems. NoobsLab is not Nvidia driver developer at all but NoobsLab can do some favor of users. NoobsLab decided to provide some previous Nvidia drivers versions with easy installation. As you know Nvidia is popular brand in market but it can't provide compatible drivers for Linux. NoobsLab collected all drivers from launchpad archives. As I know following drivers doesn't not support Nvidia optimus Technology, For Nvidia Optimus check here. ubuntu-x-swat/x-updatesonly provide latest drivers so it will be helpful for those users who got working old drivers.

Note: Please read complete post before start.
Note: NoobsLab Is Not Responsible For Any Damage Happen To Your PC/OS. NoobsLab is not author of these drivers. You must know what you are going to do.
Note: If you face any problem with Nvidia driver, Solution for you.

1: Nvidia 275.09.07 for Oneiric/Mint 12

To install Nvidia 275.09.07 version Drivers on Ubuntu 11.10/Linux Mint 12 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-275-i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/275.09.07/nvidia-current_275.09.07_i386.deb
• wget -O nvidia-dev-275-i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/275.09.07/nvidia-current-dev_275.09.07_i386.deb
• sudo dpkg -i nvidia-275-i386.deb nvidia-dev-275-i386.deb
• sudo rm nvidia-275-i386.deb nvidia-dev-275-i386.deb

>> For 64bit - amd64

• wget -O nvidia-275-amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/275.09.07/nvidia-current_275.09.07_amd64.deb
• wget -O nvidia-dev-275-amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/275.09.07/nvidia-current-dev_275.09.07_amd64.deb
• sudo dpkg -i nvidia-275-amd64.deb nvidia-dev-275-amd64.deb
• sudo rm nvidia-275-amd64.deb nvidia-dev-275-amd64.deb

2: Nvidia 280.13 for Oneiric/Mint 12

To install Nvidia 280.13 version Drivers on Ubuntu 11.10/Linux Mint 12 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-280.13-i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/280.13/nvidia-current-dev_280.13_i386.deb
• wget -O nvidia-dev-280.13-i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/280.13/nvidia-current_280.13_i386.deb
• sudo dpkg -i nvidia-280.13-i386.deb nvidia-dev-280.13-i386.deb
• sudo rm nvidia-280.13-i386.deb nvidia-dev-280.13-i386.deb

>> For 64bit - amd64

• wget -O nvidia-280.13-amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/280.13/nvidia-current_280.13_amd64.deb
• wget -O nvidia-dev-280.13-amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/oneiric/280.13/nvidia-current-dev_280.13_amd64.deb
• sudo dpkg -i nvidia-280.13-amd64.deb nvidia-dev-280.13-amd64.deb
• sudo rm nvidia-280.13-amd64.deb nvidia-dev-280.13-amd64.deb

3: Nvidia 295.33 for Precise/Mint 13

To install Nvidia 295.33 version Drivers on Ubuntu 12.04/Linux Mint 13 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-295.33_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.33/nvidia-current_295.33_i386.deb
• wget -O nvidia-dev-295.33_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.33/nvidia-current-dev_295.33_i386.deb
• sudo dpkg -i nvidia-295.33_i386.deb nvidia-dev-295.33_i386.deb
• sudo rm nvidia-295.33_i386.deb nvidia-dev-295.33_i386.deb

>> For 64bit - amd64

• wget -O nvidia-295.33_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.33/nvidia-current_295.33_amd64.deb
• wget -O nvidia-dev-295.33_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.33/nvidia-current-dev_295.33_amd64.deb
• sudo dpkg -i nvidia-295.33_amd64.deb nvidia-dev-295.33_amd64.deb
• sudo rm nvidia-295.33_amd64.deb nvidia-dev-295.33_amd64.deb

4: Nvidia 295.40 for Precise/Mint 13/Quantal

To install Nvidia 295.40 version Drivers on Ubuntu 12.04/Linux Mint 13/Ubuntu 12.10 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-295.40_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.40/nvidia-current_295.40_i386.deb
• wget -O nvidia-dev-295.40_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.40/nvidia-current-dev_295.40_i386.deb
• sudo dpkg -i nvidia-295.40_i386.deb nvidia-dev-295.40_i386.deb
• sudo rm nvidia-295.40_i386.deb nvidia-dev-295.40_i386.deb

>> For 64bit - amd64

• wget -O nvidia-295.40_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.40/nvidia-current_295.40_amd64.deb
• wget -O nvidia-dev-295.40_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.40/nvidia-current-dev_295.40_amd64.deb
• sudo dpkg -i nvidia-295.40_amd64.deb nvidia-dev-295.40_amd64.deb
• sudo rm nvidia-295.40_amd64.deb nvidia-dev-295.40_amd64.deb

5: Nvidia 295.53 for Precise/Mint 13/Quantal 

To install Nvidia 295.53 version Drivers on Ubuntu 12.04/Linux Mint 13/Ubuntu 12.10 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-295.53_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.53/nvidia-current_295.53_i386.deb
• wget -O nvidia-dev-295.53_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.53/nvidia-current-dev_295.53_i386.deb
• sudo dpkg -i nvidia-295.53_i386.deb nvidia-dev-295.53_i386.deb
• sudo rm nvidia-295.53_i386.deb nvidia-dev-295.53_i386.deb

>> For 64bit - amd64

• wget -O nvidia-295.53_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.53/nvidia-current_295.53_amd64.deb
• wget -O nvidia-dev-295.53_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/295.53/nvidia-current-dev_295.53_amd64.deb
• sudo dpkg -i nvidia-295.53_amd64.deb nvidia-dev-295.53_amd64.deb
• sudo rm nvidia-295.53_amd64.deb nvidia-dev-295.53_amd64.deb

6: Nvidia 302.17 for Precise/Mint 13

To install Nvidia 302.17 version Drivers on Ubuntu 12.04/Linux Mint 13 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
>> For 32bit - i386

• wget -O nvidia-302.17_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/302.17/nvidia-current_302.17_i386.deb
• wget -O nvidia-dev-302.17_i386.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/302.17/nvidia-current-dev_302.17_i386.deb
• sudo dpkg -i nvidia-302.17_i386.deb nvidia-dev-302.17_i386.deb
• sudo rm nvidia-302.17_i386.deb nvidia-dev-302.17_i386.deb

>> For 64bit - amd64

• wget -O nvidia-302.17_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/302.17/nvidia-current_302.17_amd64.deb
• wget -O nvidia-dev-302.17_amd64.deb http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/precise%20%26%20quantal/302.17/nvidia-current-dev_302.17_amd64.deb
• sudo dpkg -i nvidia-302.17_amd64.deb nvidia-dev-302.17_amd64.deb
• sudo rm nvidia-302.17_amd64.deb nvidia-dev-302.17_amd64.deb

7: Nvidia Cuda 295.41 Developer Drivers for Precise/Mint 13/Oneiric/Quantal
Be-careful about these drivers

To install Nvidia Cuda 295.41 Drivers on Ubuntu 12.10/12.04/11.10/Linux Mint 13/12 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• sudo apt-get install freeglut3-dev build-essential libx11-dev libxmu-dev libxi-dev libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev

Now Enter following command to open file in text editor:

• sudo gedit /etc/modprobe.d/blacklist.conf

Now add following lines to the end of the file:

blacklist amd76x_edac
blacklist vga16fb
blacklist nouveau
blacklist rivafb
blacklist nvidiafb
blacklist rivatv

Now enter following command to remove your nvidia drivers (If you don't have just skip this command)

• sudo apt-get remove --purge nvidia*

Now when your Ubuntu start
->Press Ctrl+Alt+F1 at login screen (you don't need to login), Now log in in text mode.
Enter following command to stop service:

• sudo service lightdm stop

Now start installation: 
>> For 32bit - i386

• wget -O nvidia-cuda-32.run http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/dev-cuda/devdriver_4.2_linux_32_295.41.run
• chmod +x nvidia-cuda-32.run
• sudo ./nvidia-cuda-32.run

>> For 64bit - amd64

• wget -O nvidia-cuda-64.run http://dl.dropbox.com/u/87852128/NoobsLab.com/Nvidia/dev-cuda/devdriver_4.2_linux_64_295.41.run
• chmod +x nvidia-cuda-64.run
• sudo ./nvidia-cuda-64.run

8: Nvidia Latest Drivers for Ubuntu 12.04/11.10/11.04/10.04/Mint 13/12/11/9

These drivers are available by ubuntu-x-swat team, Their drivers are up-to-date and support new GPU's. Following commands will install most latest version of Nvidia drivers for Ubuntu/Mint.

To install Nvidia Latest Drivers in Ubuntu/Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
• sudo apt-get update
• sudo apt-get install nvidia-current

9: Nvidia Bumblebee Drivers for Ubuntu 12.04/11.10/11.04/10.04/Mint 13/12/11/10/9

Bumblebee claims their drivers support to Nvidia Optimus Technology. They also claims these are stable drivers for Nvidia optimus technology.
To install Bumblebee Latest Drivers in Ubuntu/Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• sudo add-apt-repository ppa:bumblebee/stable
• sudo apt-get update
• sudo apt-get install bumblebee bumblebee-nvidia

10: Uninstallation of Nvidia Drivers
If your OS is messed up with drivers then I have solution for you. You can fix with following instructions:

1-> Boot into recovery mode
If you don't have recovery option just hold "Shift" before boot and choose recovery option
2-> Now in following menu choose "netroot"
3-> Now uninstall nvidia drivers

• sudo apt-get remove nvidia*

or if you installed bumblebee

• sudo apt-get remove bumblebee

4-> Now remove xorg configuration:

• sudo rm /etc/X11/xorg.conf

5-> Now Reinstall the Mesa package for GL:

• sudo apt-get --reinstall install libgl1-mesa-glx

6-> Now reboot

• sudo reboot

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