Important notes -
You've write access only in your home directory in web console which is /home/your_user_name. Say your username is abhinav then you can create directories and files only in /home/abhinav directory.
Since CloudxLab is a managed service, we don't provide root or sudo access.
You can store up to 512 MB files on the web console.
For installing python packages, please see this discussion
All the required packages are already available system wide. If you are looking for a specific tool or package, please send us an email.