https://drive.google.com/a/edureka.in/file/d/0B4EzLMYH_MxUdjlvcDlqVHhHZHM/view?usp=sharing


Kindly download  pycharm from above link for Ubuntu and transfer it to Ubuntu/centos.


NOTE:Assuming you have transferred the file in /home/user:


cd /home/user


tar -xvf pycharm-community-5.0.4.tar.gz


ls


You will pycharm-community folder created.


Now, cd /home/user/pycharm-community-5.0.4/bin


./pycharm.sh


Let me know if this helps or not.