Install Nvidia CUDA-7.5 environment in CentOS 6

This note is derived from How to install Nvidia CUDA environment in RHEL 6? It works for me.

Step 1: Install kernel

# yum install kernel-devel kernel-headers -y

Step 2: Download and Install Cuda Toolkit

Cuda Downloads Site

Step 3: Configure CUDA Toolkit

# echo -e "/usr/local/cuda-7.5/lib64\n/usr/local/cuda-7.5/lib" > /etc/
# echo "export PATH=/usr/local/cuda-7.5/bin:$PATH" > /etc/profile.d/
# /sbin/ldconfig

Step 4: Disable Noveau Driver

# echo -e "\nblacklist nouveau" >> /etc/modprobe.d/blacklist.conf
# dracut -f /boot/initramfs-`rpm -qa kernel --queryformat "%{PROVIDEVERSION}.%{ARCH}\n" | tail -1`.img `rpm -qa kernel --queryformat "%{PROVIDEVERSION}.%{ARCH}\n" | tail -1`

Step 5: Reboot the Server

Step 6: Check Supported Nvidia Card

[root@comp1 ~]# lspci -d "10de:*" -v
84:00.0 3D controller: NVIDIA Corporation GK110BGL [Tesla K40m] (rev a1)
Subsystem: NVIDIA Corporation Device 097e
Flags: bus master, fast devsel, latency 0, IRQ 64
Memory at c9000000 (32-bit, non-prefetchable) [size=16M]
Memory at 3c400000000 (64-bit, prefetchable) [size=16G]
Memory at 3c3fe000000 (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: [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: nvidia
Kernel modules: nvidia, nouveau, nvidiafb

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