244 lines
7.3 KiB
Bash
244 lines
7.3 KiB
Bash
#!/bin/sh
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# This script installs Ollama on Linux.
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# It detects the current operating system architecture and installs the appropriate version of Ollama.
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set -eu
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status() { echo ">>> $*" >&2; }
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error() { echo "ERROR $*"; exit 1; }
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warning() { echo "WARNING: $*"; }
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TEMP_DIR=$(mktemp -d)
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cleanup() { rm -rf $TEMP_DIR; }
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trap cleanup EXIT
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available() { command -v $1 >/dev/null; }
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require() {
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local MISSING=''
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for TOOL in $*; do
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if ! available $TOOL; then
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MISSING="$MISSING $TOOL"
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fi
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done
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echo $MISSING
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}
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[ "$(uname -s)" = "Linux" ] || error 'This script is intended to run on Linux only.'
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ARCH=$(uname -m)
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case "$ARCH" in
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x86_64) ARCH="amd64" ;;
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aarch64|arm64) ARCH="arm64" ;;
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*) error "Unsupported architecture: $ARCH" ;;
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esac
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SUDO=
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if [ "$(id -u)" -ne 0 ]; then
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# Running as root, no need for sudo
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if ! available sudo; then
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error "This script requires superuser permissions. Please re-run as root."
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fi
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SUDO="sudo"
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fi
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NEEDS=$(require curl awk grep sed tee xargs)
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if [ -n "$NEEDS" ]; then
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status "ERROR: The following tools are required but missing:"
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for NEED in $NEEDS; do
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echo " - $NEED"
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done
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exit 1
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fi
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status "Downloading ollama..."
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curl --fail --show-error --location --progress-bar -o $TEMP_DIR/ollama "https://ollama.ai/download/ollama-linux-$ARCH"
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for BINDIR in /usr/local/bin /usr/bin /bin; do
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echo $PATH | grep -q $BINDIR && break || continue
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done
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status "Installing ollama to $BINDIR..."
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$SUDO install -o0 -g0 -m755 -d $BINDIR
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$SUDO install -o0 -g0 -m755 $TEMP_DIR/ollama $BINDIR/ollama
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install_success() { status 'Install complete. Run "ollama" from the command line.'; }
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trap install_success EXIT
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# Everything from this point onwards is optional.
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configure_systemd() {
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if ! id ollama >/dev/null 2>&1; then
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status "Creating ollama user..."
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$SUDO useradd -r -s /bin/false -m -d /usr/share/ollama ollama
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fi
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status "Creating ollama systemd service..."
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cat <<EOF | $SUDO tee /etc/systemd/system/ollama.service >/dev/null
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[Unit]
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Description=Ollama Service
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After=network-online.target
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[Service]
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ExecStart=$BINDIR/ollama serve
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User=ollama
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Group=ollama
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Restart=always
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RestartSec=3
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Environment="HOME=/usr/share/ollama"
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Environment="PATH=$PATH"
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[Install]
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WantedBy=default.target
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EOF
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SYSTEMCTL_RUNNING="$(systemctl is-system-running || true)"
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case $SYSTEMCTL_RUNNING in
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running|degraded)
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status "Enabling and starting ollama service..."
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$SUDO systemctl daemon-reload
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$SUDO systemctl enable ollama
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start_service() { $SUDO systemctl restart ollama; }
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trap start_service EXIT
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;;
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esac
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}
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if available systemctl; then
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configure_systemd
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fi
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if ! available lspci && ! available lshw; then
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warning "Unable to detect NVIDIA GPU. Install lspci or lshw to automatically detect and install NVIDIA CUDA drivers."
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exit 0
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fi
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check_gpu() {
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case $1 in
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lspci) available lspci && lspci -d '10de:' | grep -q 'NVIDIA' || return 1 ;;
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lshw) available lshw && $SUDO lshw -c display -numeric | grep -q 'vendor: .* \[10DE\]' || return 1 ;;
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nvidia-smi) available nvidia-smi || return 1 ;;
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esac
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}
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if check_gpu nvidia-smi; then
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status "NVIDIA GPU installed."
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exit 0
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fi
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if ! check_gpu lspci && ! check_gpu lshw; then
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warning "No NVIDIA GPU detected. Ollama will run in CPU-only mode."
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exit 0
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fi
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#rhel-7-centos-7
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#rhel-8-rocky-8
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#rhel-9-rocky-9
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#fedora
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install_cuda_driver_yum() {
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status 'Installing NVIDIA repository...'
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case $PACKAGE_MANAGER in
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yum)
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$SUDO $PACKAGE_MANAGER -y install yum-utils
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$SUDO $PACKAGE_MANAGER-config-manager --add-repo https://developer.download.nvidia.com/compute/cuda/repos/$1$2/$(uname -m)/cuda-$1$2.repo
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;;
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dnf)
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$SUDO $PACKAGE_MANAGER config-manager --add-repo https://developer.download.nvidia.com/compute/cuda/repos/$1$2/$(uname -m)/cuda-$1$2.repo
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;;
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esac
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case $1 in
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rhel)
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status 'Installing EPEL repository...'
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# EPEL is required for third-party dependencies such as dkms and libvdpau
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$SUDO $PACKAGE_MANAGER -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-$2.noarch.rpm || true
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;;
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esac
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status 'Installing CUDA driver...'
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if [ "$1" = 'centos' ] || [ "$1$2" = 'rhel7' ]; then
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$SUDO $PACKAGE_MANAGER -y install nvidia-driver-latest-dkms
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fi
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$SUDO $PACKAGE_MANAGER -y install cuda-drivers
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}
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#ubuntu
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# ref: https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#debian
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install_cuda_driver_apt() {
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status 'Installing NVIDIA repository...'
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curl -fsSL -o $TEMP_DIR/cuda-keyring.deb https://developer.download.nvidia.com/compute/cuda/repos/$1$2/$(uname -m)/cuda-keyring_1.1-1_all.deb
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case $1 in
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debian)
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status 'Enabling contrib sources...'
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$SUDO sed 's/main/contrib/' < /etc/apt/sources.list | sudo tee /etc/apt/sources.list.d/contrib.list > /dev/null
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;;
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esac
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status 'Installing CUDA driver...'
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$SUDO dpkg -i $TEMP_DIR/cuda-keyring.deb
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$SUDO apt-get update
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[ -n "$SUDO" ] && SUDO_E="$SUDO -E" || SUDO_E=
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DEBIAN_FRONTEND=noninteractive $SUDO_E apt-get -y install cuda-drivers -q
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}
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if [ ! -f "/etc/os-release" ]; then
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error "Unknown distribution. Skipping CUDA installation."
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fi
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. /etc/os-release
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OS_NAME=$ID
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OS_VERSION=$VERSION_ID
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PACKAGE_MANAGER=
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for PACKAGE_MANAGER in dnf yum apt-get; do
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if available $PACKAGE_MANAGER; then
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break
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fi
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done
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if [ -z "$PACKAGE_MANAGER" ]; then
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error "Unknown package manager. Skipping CUDA installation."
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fi
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if ! check_gpu nvidia-smi || [ -z "$(nvidia-smi | grep -o "CUDA Version: [0-9]*\.[0-9]*")" ]; then
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case $OS_NAME in
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centos|rhel) install_cuda_driver_yum 'rhel' $OS_VERSION ;;
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rocky) install_cuda_driver_yum 'rhel' $(echo $OS_VERSION | cut -c1) ;;
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fedora) install_cuda_driver_yum $OS_NAME $OS_VERSION ;;
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amzn) install_cuda_driver_yum 'fedora' '35' ;;
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debian) install_cuda_driver_apt $OS_NAME $OS_VERSION ;;
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ubuntu) install_cuda_driver_apt $OS_NAME $(echo $OS_VERSION | sed 's/\.//') ;;
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*) exit ;;
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esac
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fi
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if ! lsmod | grep -q nvidia; then
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KERNEL_RELEASE="$(uname -r)"
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case $OS_NAME in
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centos|rhel|rocky|amzn) $SUDO $PACKAGE_MANAGER -y install kernel-devel-$KERNEL_RELEASE kernel-headers-$KERNEL_RELEASE ;;
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fedora) $SUDO $PACKAGE_MANAGER -y install kernel-devel-$KERNEL_RELEASE ;;
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debian|ubuntu) $SUDO apt-get -y install linux-headers-$KERNEL_RELEASE ;;
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*) exit ;;
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esac
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NVIDIA_CUDA_VERSION=$($SUDO dkms status | awk -F: '/added/ { print $1 }')
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if [ -n "$NVIDIA_CUDA_VERSION" ]; then
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$SUDO dkms install $NVIDIA_CUDA_VERSION
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fi
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if lsmod | grep -q nouveau; then
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status 'Reboot to complete NVIDIA CUDA driver install.'
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exit 0
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fi
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$SUDO modprobe nvidia
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fi
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status "NVIDIA CUDA drivers installed."
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