[root@847ac3bf50f9 build_scripts]# conda install imagesize
Collecting package metadata: done
Solving environment: done

## Package Plan ##

  environment location: /opt/conda

  added / updated specs:
    - imagesize


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    imagesize-1.1.0            |           py37_0           9 KB  defaults
    python-3.7.1               |       h0371630_7        36.4 MB  defaults
    ------------------------------------------------------------
                                           Total:        36.4 MB

The following NEW packages will be INSTALLED:

  imagesize          pkgs/main/linux-64::imagesize-1.1.0-py37_0

The following packages will be UPDATED:

  python                                  2.7.15-h9bab390_6 --> 3.7.1-h0371630_7


Proceed ([y]/n)? n

[root@847ac3bf50f9 build_scripts]# conda info

     active environment : None
       user config file : /root/.condarc
 populated config files : /root/.condarc
          conda version : 4.6.0rc1
    conda-build version : 3.17.6
         python version : 2.7.15.final.0
       base environment : /opt/conda  (writable)
           channel URLs : https://repo.anaconda.com/pkgs/main/linux-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/free/linux-64
                          https://repo.anaconda.com/pkgs/free/noarch
                          https://repo.anaconda.com/pkgs/r/linux-64
                          https://repo.anaconda.com/pkgs/r/noarch
          package cache : /opt/conda/pkgs
                          /root/.conda/pkgs
       envs directories : /opt/conda/envs
                          /root/.conda/envs
               platform : linux-64
             user-agent : conda/4.6.0rc1 requests/2.21.0 CPython/2.7.15 Linux/4.9.125-linuxkit centos/6.9 glibc/2.12
                UID:GID : 0:0
             netrc file : None
           offline mode : False