[root@bigdata-pro03 softwares]# yum -y install gcc gcc-c++ autoconf automake make zlib zlib-devel

[root@bigdata-pro03 softwares]# tar -xzvf Python-3.6.0.tgz
[root@bigdata-pro03 softwares]# cd /opt/modules/Python-3.6.0/
[root@bigdata-pro03 Python-3.6.0]# ls
aclocal.m4    configure     Grammar     Lib      Makefile.pre.in  Objects  PCbuild        Python    Tools
config.guess  configure.ac  Include     LICENSE  Misc             Parser   Programs       README
config.sub    Doc           install-sh  Mac      Modules          PC       pyconfig.h.in  setup.py

./configure --prefix=/usr/local/python36   
make && make install

mv /usr/bin/python /usr/bin/python-2.6.6  

ln -s /usr/local/python36/bin/python3.6 /usr/bin/python

vim /usr/bin/yum

将第一行“#!/usr/bin/python”

修改为“#!/usr/bin/python-2.6.6”

[root@bigdata-pro02 Python-3.6.0]# python
Python 3.6.0 (default, Nov 16 2019, 09:39:23) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-23)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 

wget --no-check-certificate https://bootstrap.pypa.io/get-pip.py
python get-pip.py

ln -s /usr/local/python36/bin/pip3.6 /usr/bin/pip
pip -V
pip install requests

[root@bigdata-pro03 gcc-build-9.2.0]# pip

Usage:   
  pip <command> [options]

Commands:
  install                     Install packages.
  download                    Download packages.
  uninstall                   Uninstall packages.
  freeze                      Output installed packages in requirements format.
  list                        List installed packages.
  show                        Show information about installed packages.
  check                       Verify installed packages have compatible dependencies.
  config                      Manage local and global configuration.
  search                      Search PyPI for packages.
  wheel                       Build wheels from your requirements.
  hash                        Compute hashes of package archives.
  completion                  A helper command used for command completion.
  debug                       Show information useful for debugging.
  help                        Show help for commands.

General Options:
  -h, --help                  Show help.
  --isolated                  Run pip in an isolated mode, ignoring environment variables and user configuration.
  -v, --verbose               Give more output. Option is additive, and can be used up to 3 times.
  -V, --version               Show version and exit.
  -q, --quiet                 Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR,
                              and CRITICAL logging levels).
  --log <path>                Path to a verbose appending log.
  --proxy <proxy>             Specify a proxy in the form [user:passwd@]proxy.server:port.
  --retries <retries>         Maximum number of retries each connection should attempt (default 5 times).
  --timeout <sec>             Set the socket timeout (default 15 seconds).
  --exists-action <action>    Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.
  --trusted-host <hostname>   Mark this host or host:port pair as trusted, even though it does not have valid or any HTTPS.
  --cert <path>               Path to alternate CA bundle.
  --client-cert <path>        Path to SSL client certificate, a single file containing the private key and the certificate in PEM
                              format.
  --cache-dir <dir>           Store the cache data in <dir>.
  --no-cache-dir              Disable the cache.
  --disable-pip-version-check
                              Don‘t periodically check PyPI to determine whether a new version of pip is available for download.
                              Implied with --no-index.
  --no-color                  Suppress colored output