I have installed Ubuntu 12.04 LTS - 32 bit version on my system. I did
sudo apt-get update && sudo apt-get upgrade. I installed the following packages -
I have a GPU on my machine: Nvidia GeForce GT 520. I wanted to install the CUDA Toolkit on this machine. For this, I have followed the instructions given in the webpage
I did what has been told there with few changes:
In the step
sudo apt-get install build-essential libopencv-dev linux-headers-uname -r(I dind't put
uname -rin the appropriate quotes to maintain consistency), I have skipped the installation of
libopencv-devbecause I wanted to install OpenCV separately.
I have downloaded the 32-bit version of CUDA Toolkit from https://developer.nvidia.com/cuda-downloads.
I have stopped the lightdm service in the beginning of the installation using the command
sudo service lightdm stop.
The entire installation was done using the command prompt (
After this, when I tried to login from my account, I am unable to login. Though I am entering the correct password, it is returning me to the login screen. I have tried to do the following:
Used the command
sudo chown <myusername>:<myyusername> .Xauthorityfrom the command prompt. But, it showed an error that
Could not update ICE authority file /home/user/.ICEauthority
So, I followed the procedure on Cannot login after update ubuntu 12.04 . ICEauthority error message. It still didn't work.
I tried to remove the file
/etc/modprobe.d/blacklist-nouveau.confwhich was made during the installation as given above. I then updated:
sudo update-initramfs -u
Waiting for an answer.