alin@alin-Aspire-5742G:~/Downloads$ chmod +x NVIDIA-Linux-x86-331.79.run
alin@alin-Aspire-5742G:~/Downloads$ ./NVIDIA-Linux-x86-331.79.run
Verifying archive integrity... OK
Uncompressing NVIDIA Accelerated Graphics Driver for Linux-x86 331.79.......................................................................................................................................................................................................
nvidia-installer: Error opening log file '/var/log/nvidia-installer.log' for writing (Permission denied); disabling logging.
alin@alin-Aspire-5742G:~/Downloads$ sudo ./NVIDIA-Linux-x86-331.79.run
[sudo] password for alin:
Verifying archive integrity... OK
Uncompressing NVIDIA Accelerated Graphics Driver for Linux-x86 331.79.......................................................................................................................................................................................................