Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Mar 072010
 

Installing Python modules with easy_install

Answer:

Install Python modules cannot be easier with easy_install.

To use easy_install, you can use apt-get to install the "python-setuptools" package

# sudo apt-get install python-setuptools

Then you can use easy_install to install the module you want, e.g. pymongo

# sudo easy_install pymongo

Mar 012010
 

How to perform syntax check for Python program

Answer:

Assume you have a simple Python script hello.py, you want to perform syntax check. You can use the following method

# python -c 'import hello'

Traceback (most recent call last):
  File "", line 1, in 
  File "hello.py", line 1
    echo "Hello, World!"

If there is any syntax error, it will prompt out to the screen.

Jan 242010
 

Serve current directory using HTTP with a single command

Answer:

Sometimes, you want to share some files in a given directory in your Linux system to other people, you might consider setup a NFS, Samba, FTP or so.

However, the easiest method is to export the directory using HTTP, with the help of Python.

E.g.

 # cd /data/
python -m SimpleHTTPServer
Serving HTTP on 0.0.0.0 port 8000 ...

Now people can access the web server at port 8000 of your system's IP address, to access the /data directory.