Signed Cert Hang

[cavkirov]

When I get to the point (Step 4 of: python sign_csr.py --public-key user.pub domain.csr > signed.crt) where I run on a separate terminal:
sudo python -c "import .....

It ends with:
socket.error: [Errno 98] Address already in use

[diafygi]

You already have a server running on port 80. Either you need to stop that server while running the command, or you need to use the --file-based option.