Chromium behind a proxy (with PAC file) in Lubuntu 12.10

To have Internet access in Chromium in you LUbuntu 12.10 installation you have to modify the file:

/usr/share/applications/chromium-browser.desktop

or your shortcut to Chromium, and you have to add in every line which starts with "Exec" the text:

--proxy-pac-url="http://host:port/"

Alternatively every time you can start Chromium with the command:

chromium-browser --proxy-pac-url="http://host:port/"