下载安装包：
wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh执行安装：
sh Miniconda3-latest-Linux-x86_64.sh测试：
conda -V
# If you see something like the following, it means Miniconda is successfully installed on your Linux OS.
conda 4.5.11参考资料：https://deeplearning.lipingyang.org/2018/12/24/install-miniconda-on-centos-7-redhat-7/