grab latest release tarballs

    mkdir -p /data/kernels/freebsd130/
    cd /data/kernels/freebsd130/
    wget https://download.freebsd.org/releases/amd64/amd64/13.0-RELEASE/kernel.txz
    wget https://download.freebsd.org/releases/amd64/amd64/13.0-RELEASE/base.txz

    rm -rf boot/ usr/
    tar xaf kernel.txz