Steps to Install Python3 in Linux through Command Line

To Install Python3 in linux through Command line follow below commands

Dependencies for Python3 is gcc and some times zlib-devel so install these first

in redhat ( RHEL ), fedora etc
commands are
root@bt:~# yum install gcc
root@bt:~# yum install zlib-devel

in Ubuntu, Linux Mint etc
commands are

root@bt:~# apt-get install gcc
root@bt:~# apt-get install zlib-devel


Download latest version of Python3 (  bzipped source tarball)  from http://www.python.org/download/ 
Now it is Python-3.3.1.tar.bz2
root@bt:~# wget http://www.python.org/ftp/python/3.3.1/Python-3.3.1.tar.bz2

Extract It
root@bt:~# bzip2 -cd Python-3.3.1.tar.bz2 | tar xvf -

Goto Extracted Folder
root@bt:~# cd Python-3.3.1

Configure Python3

root@bt:~/Python-3.3.1# ./configure --prefix=/opt/python3

Make
root@bt:~/Python-3.3.1# make

Install 

root@bt:~/Python-3.3.1# make install

Add Shortcut
root@bt:~/Python-3.3.1# ln -s /opt/python3/bin/python3 /usr/bin/python3

Use Python3
root@bt:~/Python-3.3.1# python3

Python 3.3.1 (default, Apr  9 2013, 12:32:54) 
[GCC 4.4.5 20101112 (Red Hat 4.4.5-2)] on linux
Type "help", "copyright", "credits" or "license" for more information.
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