For instance, I want to fetch the entire
folder3
from a web site
I saw similar posts where the solution is given by wget. But in this case the web site ask me for user name and password, which I have. I tried to download the folder with wget when I was logged in but it didn't work.
Any help would be appreciated. BTW, I'm using Ubuntu.
Sounds like you are using basic auth. You can pass this to wget with the following syntax: