Install btop from source with NVIDIA GPU support (Ubuntu 24.04)

install_btop_gpu.sh

#!/usr/bin/env bash
set -euo pipefail

# Remove existing btop installs
if [ -f /usr/local/bin/btop ]; then
    echo "Removing old btop at /usr/local/bin/btop..."
    rm /usr/local/bin/btop
fi
if snap list btop &>/dev/null; then
    echo "Removing snap btop..."
    snap remove btop
fi

# Build btop from source with GPU support (dynamic linking required for NVIDIA)
# No apt calls — g++-14 and libdrm-dev are already installed
BTOP_BUILD_DIR=$(mktemp -d)
git clone --depth 1 https://github.com/aristocratos/btop.git "$BTOP_BUILD_DIR"
cd "$BTOP_BUILD_DIR"
make CXX=g++-14 GPU_SUPPORT=true -j"$(nproc)"
make install PREFIX=/usr/local

# Clean up
rm -rf "$BTOP_BUILD_DIR"

echo ""
echo "Done! btop installed to /usr/local/bin/btop with GPU support."