Install nvidia driver for Tesla card on ubuntu 16.04

Check what driver your card is currently using, in this case, the card is using the opensource nvidia drivers called nouveau
$ lspci -v | grep -A8 NVIDIA
3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)
        Subsystem: NVIDIA Corporation Device 11d8
        Flags: bus master, fast devsel, latency 0, IRQ 40
        Memory at b7000000 (32-bit, non-prefetchable) [size=16M]
        Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]
        Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]
        Capabilities:
        Kernel driver in use: nouveau
        Kernel modules: nvidiafb, nouveau

Download the driver for your card from nvidia download website

Choose the correct card model, and operating system, and click SEARCH

Click DOWNLOAD

Click AGREE & DOWNLOAD to download

If you want to download using wget, right click on the AGREE & DOWNLOAD button, and choose "Copy Link Address". Run wget against the link

$ wget http://us.download.nvidia.com/tesla/410.79/nvidia-diag-driver-local-repo-ubuntu1604-410.79_1.0-1_amd64.deb

Install the driver

$ sudo apt install ./nvidia-diag-driver-local-repo-ubuntu1604-410.79_1.0-1_amd64.deb

Make sure you have now nvidiafb in kernel modules 

$ lspci -v | grep -A15 NVIDIA

3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)

        Subsystem: NVIDIA Corporation Device 11d8

        Flags: bus master, fast devsel, latency 0, IRQ 40

        Memory at b7000000 (32-bit, non-prefetchable) [size=16M]

        Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]

        Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]

        Capabilities: [60] Power Management version 3

        Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+

        Capabilities: [78] Express Endpoint, MSI 00

        Capabilities: [100] Virtual Channel

        Capabilities: [250] Latency Tolerance Reporting

        Capabilities: [128] Power Budgeting

        Capabilities: [420] Advanced Error Reporting

        Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024

        Capabilities: [900] #19

        Kernel driver in use: nouveau

        Kernel modules: nvidiafb, nouveau

Update

$ sudo apt update

Install cuda-drivers

$ sudo apt install cuda-drivers

Reboot your machine

$ sudo reboot

Check whether your card is using nvidia driver, and not nouveau

$ lspci -v | grep -A8 NVIDIA

3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)

        Subsystem: NVIDIA Corporation Device 11d8

        Flags: bus master, fast devsel, latency 0, IRQ 88

        Memory at b7000000 (32-bit, non-prefetchable) [size=16M]

        Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]

        Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]

        Capabilities:

        Kernel driver in use: nvidia

        Kernel modules: nvidiafb, nouveau, nvidia_410_drm, nvidia_410