Environment Setup¶

In order to use Py4Syn there are some prerequisites. Here are the list and a basic guide to help you to setup the environment to run you scripts using Py4Syn.

To execute the next steps be sure to have a login with administrator rights in your machine.

This assumes you’re running Red Hat Enterprise Linux in your machine, for other distributions please check the correct/equivalent packages to install.

First of all let’s switch to super user:

sudo su

Python 3.x Installation¶

In order to install Python there are some required packages that will be installed with the following commands:

yum groupinstall "Development tools"
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel xz libpng-devel

Now we need to add a line at the end of ld.so.conf file and run ldconfig:

echo "/usr/local/lib" >> /etc/ld.so.conf
/sbin/ldconfig

Download the lastest Python version, in this case it’s Python 3.4.1, using this link (Python 3.4.1 Download).

Extract the downloaded file with:

tar xf Python-3.4.1.tar.xz

Enter the extracted folder and run the following commands:

cd Python-3.4.1
./configure
make && make altinstall

After the installation finish include the new Python in the root user path with:

export PATH=$PATH:/usr/local/bin

Freetype2 Installation¶

To install most of the Python libraries Freetype2 is needed. Follow the next steps to correctly install Freetype2 in your computer.

Download the lastest version, using this link (Freetype 2.4.0).

Extract the downloaded file with:

tar -xzvf freetype-2.4.0.tar.gz

Enter the extracted folder and run the commands bellow to install:

cd freetype-2.4.0
./configure
make
make install

SetupTools and Pip Installation¶

SetupTools and Pip are the most used Python tools to install packages and libraries.

Download the ez_setup script from this link or use this internal link.

Run the script to install easy_install:

python3.4 ez_setup.py

And finally install pip:

easy_install-3.4 pip

Enabling the EPEL Repository¶

In order to install some of the packages below you will need to enable the EPEL repository.

Installing in Red Hat Enterprise Linux 6 - 64 Bits:

## RHEL/CentOS 6 64-Bit ##
wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm

Installing in Red Hat Enterprise Linux 6 - 32 Bits:

## RHEL/CentOS 6 32-Bit ##
wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm