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    <p>Folks,</p>

    <p>This announcement could/should have gone out a couple of weeks

      ago, but better late than never. I have alluded to the change

      described below in previous email messages.<br>

    </p>

    <p>The containers we are using, at JLab for creating recent builds

      and "local" use, on the OSG, and at NERSC have all changed. They

      now contain the TBB development library, i.e., the tbb-devel RPM

      is installed.</p>

    <p>In particular, our two docker containers</p>

    <p>  <a moz-do-not-send="true"

href="https://hub.docker.com/repository/docker/markito3/gluex_docker_prod">markito3/gluex_docker_prod</a></p>

    <p>  <a

href="https://hub.docker.com/repository/docker/markito3/gluex_docker_devel"

        moz-do-not-send="true">markito3/gluex_docker_devel</a></p>

    <p>have the change and there is a new Singularity container

      available for download at:</p>

    <p>  <a class="moz-txt-link-freetext" href="https://halldweb.jlab.org/dist/gluex_centos7.7.simg">https://halldweb.jlab.org/dist/gluex_centos7.7.simg</a></p>

    <p>which likewise has the change. There was some re-working of the

      Singularity container generation procedure. Note the "simg" file

      extension of the new container image; this is new for us. This is

      a <a moz-do-not-send="true"

        href="https://en.wikipedia.org/wiki/SquashFS">squashfs</a>

      container. <br>

    </p>

    <p>The documentation at</p>

    <p> 

<a class="moz-txt-link-freetext" href="https://halldweb.jlab.org/wiki/index.php/HOWTO_use_the_GlueX_Singularity_Container">https://halldweb.jlab.org/wiki/index.php/HOWTO_use_the_GlueX_Singularity_Container</a><br>

    </p>

    <p>has been updated appropriately.<br>

    </p>

    <p>  -- Mark</p>

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