# installation issue with jetson\_linux\_r32.7.2 and ubuntu:focal

**URL:** <https://forums.balena.io/t/installation-issue-with-jetson-linux-r32-7-2-and-ubuntu-focal/363019>\
**Category:** balenaOS\
**Tags:** docker, jetson\
**Created:** [September 22, 2022, 3:14pm UTC](https://forums.balena.io/t/installation-issue-with-jetson-linux-r32-7-2-and-ubuntu-focal/363019 "2022-09-22T15:14:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![neonlink](https://avatars.discourse-cdn.com/v4/letter/n/e47c2d/32.png) [@neonlink](https://forums.balena.io/u/neonlink)\
**Post date:** [September 22, 2022, 3:14pm UTC](https://forums.balena.io/t/installation-issue-with-jetson-linux-r32-7-2-and-ubuntu-focal/363019/1 "2022-09-22T15:14:17Z")

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hi, I’ve got a weird issue. Somehow I cannot install the l4t package on ubuntu:focal. I’ve tried several versions. On Bionic it works, but focal gives the error: `/usr/bin/rm : No such file or directory`

Here’s my dockerfile

```auto
FROM balenalib/jetson-xavier-nx-devkit-emmc-ubuntu:focal
ENV DEBIAN_FRONTEND=noninteractive
ENV UDEV=on

RUN sed -i 's/r32.6 main/r32.7 main/g' /etc/apt/sources.list.d/nvidia.list

RUN echo 'deb https://repo.download.nvidia.com/jetson/common r32.4 main' >> /etc/apt/sources.list.d/nvidia.list && \
    echo 'deb https://repo.download.nvidia.com/jetson/t194 r32.4 main' >> /etc/apt/sources.list.d/nvidia.list

RUN apt-get -qq update && \
    apt install -q -y \
    # l4t
    wget tar tar lbzip2 git binutils xz-utils apt-utils software-properties-common

RUN mkdir /usr/src/l4t && \
    cd /usr/src/l4t && wget --quiet https://developer.nvidia.com/embedded/l4t/r32_release_v7.1/t186/jetson_linux_r32.7.1_aarch64.tbz2

RUN cd /usr/src/l4t && tar xvfj jetson_linux_r32.7.1_aarch64.tbz2 && rm jetson_linux_r32.7.1_aarch64.tbz2

RUN cd /usr/src/l4t/Linux_for_Tegra && \
    sed -i 's/install --owner=root --group=root \"${QEMU_BIN}\" \"${L4T_ROOTFS_DIR}\/usr\/bin\/\"/#install --owner=root --group=root \"${QEMU_BIN}\" \"${L4T_ROOTFS_DIR}\/usr\/bin\/\"/g' nv_tegra/nv-apply-debs.sh && \
    sed -i 's/chroot . \// /g' nv_tegra/nv-apply-debs.sh && \
    /bin/bash ./apply_binaries.sh -r / --target-overlay && cd .. \
    rm -rf Linux_for_Tegra && \
    echo "/usr/lib/aarch64-linux-gnu/tegra" > /etc/ld.so.conf.d/nvidia-tegra.conf && ldconfig 

```

I’m thinking that it overwrites or removes files that are required and corrupts the OS. when I replaced `tar ` with `tar --skip-old-files ` in `apply_binaries.sh` and `l4t_extact_deb.sh` it does work. focal is supported by Nvidia

---

<div class="post-metadata">

**Author:** ![neonlink](https://avatars.discourse-cdn.com/v4/letter/n/e47c2d/32.png) [@neonlink](https://forums.balena.io/u/neonlink)\
**Post date:** [September 22, 2022, 4:08pm UTC](https://forums.balena.io/t/installation-issue-with-jetson-linux-r32-7-2-and-ubuntu-focal/363019/2 "2022-09-22T16:08:30Z")

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Ah found it. r32.7.1 doesn’t support focal, but bionic. [https://developer.nvidia.com/embedded/l4t/r35\_release\_v1.0/release/jetson\_linux\_r35.1.0\_aarch64.tbz2](https://developer.nvidia.com/embedded/l4t/r35_release_v1.0/release/jetson_linux_r35.1.0_aarch64.tbz2) does

> **[Jetson Linux](https://developer.nvidia.com/embedded/jetson-linux)**
>
> Jetson Linux 35.1 is a production release and replaces Jetson LInux 34.1.1/34.1 which were meant for development only. Jetson Linux 35.1 includes Linux Kernel 5.10, an Ubuntu 20.04 based root file system, a UEFI based bootloader, and OP-TEE as...