Installing python3.6 on CENTOS 6.8

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  1. Installing the prerequisite package to build python from source

    yum -y groupinstall "Development tools"
    yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel
    # below is optional:
    yum -y install sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel

  2. Download the python source

    wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz
    tar xfvz Python-3.6.3.tgz
    cd Python-3.6.3

  3. Compiling and install the python from source code

    ./configure --prefix=/usr/local --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib"
    make && make altinstall
    ln -s /usr/local/bin/python3.6 /usr/bin/python3.6
    ln -s /usr/local/bin/python3.6 /usr/bin/python3

  4. Download and install pip

    wget https://bootstrap.pypa.io/get-pip.py
    python3 get-pip.py
    ln -s /usr/local/bin/pip3.6 /usr/bin/pip3

  5. Python3.6 and Pip3 is ready now

    [root@iZm5eah3mqbzffv5h0fremZ Python-3.6.3]# python3 -V
    Python 3.6.3
    [root@iZm5eah3mqbzffv5h0fremZ Python-3.6.3]# pip3 -V
    pip 9.0.1 from /usr/local/lib/python3.6/site-packages (python 3.6)