<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/59117>59117</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Could not install LLVM11 in dockerfile.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          SoWhereAreYou
      </td>
    </tr>
</table>

<pre>
    The error is be like:+ apt-get update
Hit:2 https://mirrors.ustc.edu.cn/ubuntu focal InRelease
Hit:3 https://mirrors.ustc.edu.cn/ubuntu focal-security InRelease
Hit:4 https://mirrors.ustc.edu.cn/ubuntu focal-updates InRelease
Hit:5 https://mirrors.ustc.edu.cn/ubuntu focal-backports InRelease
Hit:1 https://apt.llvm.org/bionic llvm-toolchain-bionic-11 InRelease
Hit:6 https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64  InRelease
Reading package lists...
+ PKG='clang-11 lldb-11 lld-11 clangd-11'
+ [[ 0 -eq 1 ]]
+ apt-get install -y clang-11 lldb-11 lld-11 clangd-11
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 lldb-11 : Depends: liblldb-11 (>= 1:9~svn298832-1~) but it is not going to be installed
           Depends: python3-lldb-11 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
The command '/bin/sh -c wget -L   https://apt.llvm.org/llvm-snapshot.gpg.key &&         apt-key add llvm-snapshot.gpg.key  &&        apt-get install -y clang-11 lldb-11 lld-11 clangd-11 &&         wget --quiet https://apt.llvm.org/llvm.sh -O ~/llvm.sh &&     chmod +x ~/llvm.sh &&   ~/llvm.sh 11 &&         rm ~/llvm.sh' returned a non-zero code: 100

and My dockerfile is be like:
FROM nvidia/cuda:10.2-devel-ubuntu18.04
ENV LANG=C.UTF-8 LC_ALL=C.UTF-8
ENV PATH /opt/conda/bin:$PATH

#ENV DEBIAN_FRONTEND noninteractive 
ENV TZ=Asia/Shanghai
env http_proxy "http://59.69.112.40:808"
env https_proxy "http://59.69.112.40:808"
env ftp_proxy "http://59.69.112.40:808"
ADD sources.list /etc/apt
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
RUN echo exit 0 > /usr/sbin/policy-rc.d
#RUN apt-key adv –no-tty --keyserver keyserver.ubuntu.com --recv-keys 15CF4D18AF4F7421
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install --assume-yes apt-utils && apt-get install uuid-runtime  && \
        apt-get install -y cmake && \
        apt-get install -y git dbus && \
        apt-get install -y dbus-user-session &&\
        apt-get install -y packagekit-tools &&\
        apt-get install -y software-properties-common &&\
        apt-get install -y  wget &&\
        echo "这是一个分界线============================" && \
        /etc/init.d/dbus start && \
        apt-get install -y cmake uuid-runtime lsb-release wget software-properties-common && \
      # wget --quiet https://golang.org/dl/go1.16.6.linux-amd64.tar.gz -O ~/go.tar.gz && \
        wget --quiet https://studygolang.com/dl/golang/go1.16.6.linux-amd64.tar.gz -O ~/go.tar.gz && \
        tar xzf ~/go.tar.gz -C /opt/ && \
        ln -s /opt/go/bin/go /usr/local/bin/go && \
        rm ~/go.tar.gz
RUN wget -L   https://apt.llvm.org/llvm-snapshot.gpg.key && \
        apt-key add llvm-snapshot.gpg.key  &&\
       # apt-get install -y clang-11 lldb-11 lld-11 && \
        apt-get install -y clang-11 lldb-11 lld-11 clangd-11 && \
       # echo "这是LLVM============================" && \
       # apt-get update && \
       # apt-get install -y liblldb-11 && \
       # apt-get install -y clang-11 lldb-11 lld-11 clangd-11 && \
        #apt-get install -y python3-liblldb-11 && \
        wget --quiet https://apt.llvm.org/llvm.sh -O ~/llvm.sh && \
        chmod +x ~/llvm.sh && \
        ~/llvm.sh 11 && \        chmod +x ~/llvm.sh && \
        ~/llvm.sh 11 && \
        rm ~/llvm.sh
RUN wget --quiet https://repo.anaconda.com/archive/Anaconda3-2020.11-Linux-x86_64.sh -O ~/anaconda.sh && \
        /bin/bash ~/anaconda.sh -b -p /opt/conda && \
        rm ~/anaconda.sh && \
        ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
    echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
    echo "conda activate base" >> ~/.bashrc && \
    /opt/conda/bin/conda clean -afy
RUN conda install -y pytorch torchvision torchaudio cudatoolkit=10.2 -c pytorch
RUN git clone https://github.com/NVIDIA/apex.git ~/apex && \
        cd ~/apex && \
        bash -c "source /opt/conda/etc/profile.d/conda.sh && conda activate && python setup.py install && pip install pyelftools" && \
        rm -rf ~/apex
RUN wget --quiet https://github.com/avast/retdec/releases/download/v4.0/retdec-v4.0-ubuntu-64b.tar.xz -O ~/retdec.tar.xz && \
        tar xf ~/retdec.tar.xz -C /opt/ && \
        ln -s /opt/retdec/bin/retdec-decompiler.py /usr/local/bin/retdec-decompiler && \
        rm ~/retdec.tar.xz

You can see the server has not internet so I use the proxy.
And I tried to Install package outside successfully but the error still it is.So that confused me.Could you help me?

</pre>
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