Installing Multiple Python

mkdir /opt
cd /opt
sudo yum install tk-devel gdbm-devel
mkdir  python
cd python
export http://www-proxy-idc.in.oracle.com:80
wget http://www.python.org/ftp/python/2.7.9/Python-2.7.9.tgz
tar xvzf Python-2.7.9.tgz
echo $PWD
cd Python-2.7.9
./configure --prefix=/opt/python2.7
echo $PWD
make
sudo make install
sudo ln -s /opt/python2.7/bin/python2.7 /usr/bin/python27
sudo ln -s /opt/python2.7/bin/idle2.7 /usr/bin/idle-python27
sudo ln -s /opt/python2.7/bin/pip2.7 /usr/bin/pip27
 

python27



curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

python27 get-pip.py
pip27 install pandas
pip27 install cx_oracle




install cxOracle:

mkdir  /opt/oracle
cd /opt/oracle/
wget https://download.oracle.com/otn_software/linux/instantclient/185000/instantclient-basic-linux.x64-18.5.0.0.0dbru.zip
unzip instantclient-basic-linux.x64-18.5.0.0.0dbru.zip
cd instantclient_18_5/

/opt/oracle/instantclient_18_5

export LD_LIBRARY_PATH=/opt/oracle/instantclient_18_5:$LD_LIBRARY_PATH



for Python : 3.6
wget http://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
tar xvzf Python-3.6.5.tgz
echo $PWD
cd Python-3.6.5
./configure --prefix=/opt/python3.6
echo $PWD
make
sudo make install
 ln -s /opt/python3.6/bin/python3.6 /usr/bin/python36
ln -s /opt/python3.6/bin/idle3.6 /usr/bin/idle-python36
ln -s /opt/python3.6/bin/pip3 /usr/bin/pip36
which pip36
pip36 install django
pip36 install pandas
pip36 install cx_oracle