TextCritical.net

Here is the process:

1. Stop the web-server
2. Sleep to let the web-server stop
3. Make a temporary directory
4. Unzip the package into the temporary directory
5. Copy in the settings file
6. Move the /var directory over
7. Move the media/files directory over (this contains the generated epub documents)
8. Rename the original directory to old_$(date +%Y%m%d%H%M%S
9. Rename the temporary directory back to the original directory name
10. Optionally clear the cache (rm /var/cache)
11. Restart the web-server