I\'m sort of shooting in the dark here; I have no knowledge how to do this so some pointers and/or links to helpful tutorials would be great:
I have a website that I
There are various ways of doing this...
You could look into long polling.
Stick a meta refresh tag to refresh the page every X seconds.
tail -f /path/to/log.log in terminal will open a live preview of the last few lines of that file - this is what I do if I need to read the error logs as I debug.
Or simply refresh the page manually as you go, it might be annoying having the page change it's contents automatically.
As you have said your file is very large, I would use the PHP file() function to just grab the first X amount of lines from a file to keep bandwith down and readability up!