Ensure `nvidia` and `nvidia_uvm` kernel modules are loaded in `install.sh`...

Ensure `nvidia` and `nvidia_uvm` kernel modules are loaded in `install.sh` script and at startup (#4652)

* ensure kernel modules are loaded in `install.sh` script and at startup

* indentation

* use `SUDO` variable

* restart if nouveau is detected

* consistent success message for AMD

scripts/install.sh

@@ -153,11 +153,6 @@ check_gpu() {
     esac
 }
 
-if check_gpu nvidia-smi; then
-    status "NVIDIA GPU installed."
-    exit 0
-fi
-
 if ! check_gpu lspci nvidia && ! check_gpu lshw nvidia && ! check_gpu lspci amdgpu && ! check_gpu lshw amdgpu; then
     install_success
     warning "No NVIDIA/AMD GPU detected. Ollama will run in CPU-only mode."
@@ -181,7 +176,7 @@ if check_gpu lspci amdgpu || check_gpu lshw amdgpu; then
     curl --fail --show-error --location --progress-bar "https://ollama.com/download/ollama-linux-amd64-rocm.tgz${VER_PARAM}" \
         | $SUDO tar zx --owner ollama --group ollama -C /usr/share/ollama/lib/rocm .
     install_success
-    status "AMD GPU dependencies installed."
+    status "AMD GPU ready."
     exit 0
 fi
 
@@ -288,15 +283,25 @@ if ! lsmod | grep -q nvidia; then
     if [ -n "$NVIDIA_CUDA_VERSION" ]; then
         $SUDO dkms install $NVIDIA_CUDA_VERSION
     fi
+fi
 
-    if lsmod | grep -q nouveau; then
-        status 'Reboot to complete NVIDIA CUDA driver install.'
-        exit 0
-    fi
+$SUDO modprobe nvidia
+$SUDO modprobe nvidia_uvm
 
-    $SUDO modprobe nvidia
-    $SUDO modprobe nvidia_uvm
+# make sure the NVIDIA modules are loaded on boot with nvidia-persistenced
+if command -v nvidia-persistenced > /dev/null 2>&1; then
+    $SUDO touch /etc/modules-load.d/nvidia.conf
+    MODULES="nvidia nvidia-uvm"
+    for MODULE in $MODULES; do
+        if ! grep -qxF "$MODULE" /etc/modules-load.d/nvidia.conf; then
+            echo "$MODULE" | sudo tee -a /etc/modules-load.d/nvidia.conf > /dev/null
+        fi
+    done
 fi
 
+if lsmod | grep -q nouveau; then
+    status 'Reboot to complete NVIDIA CUDA driver install.'
+    exit 0
+fi
 
-status "NVIDIA CUDA drivers installed."
+status "NVIDIA GPU ready."