```bash
# Install ARM64 SDK (automatic download)
-/usr/local/bin/xds-utils/install-agl-sdks.sh --arch aarch64
+sudo /usr/local/bin/xds-utils/install-agl-sdks.sh --arch aarch64
# Install Intel corei7-64 SDK (using an SDK tarball that has been built or downloaded manually)
-/usr/local/bin/xds-utils/install-agl-sdks.sh --arch corei7-64 --file /tmp/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-corei7-64-toolchain-
+sudo /usr/local/bin/xds-utils/install-agl-sdks.sh --arch corei7-64 --file /tmp/poky-agl-glibc-x86_64-agl-demo-platform-crosssdk-corei7-64-toolchain-
3.99.1+snapshot.sh
```