Howto screensaver and lock
From Fluxbox-wiki
How to lock the screen
Locking the screen means that nobody can use the computer without giving your password first. You need some locking programs. here are some
- alock
- xlock / xlockmore
- xtrlock
Then just add an entry for those in your menu or add a keybinding or even an icon with idesk or fbdesk.
Please note though that Linux/unix/bsd is multi-users system so someone else may come, switch to other console (ctrl + alt + f?) and then enter his/her username and password and use the computer. He/she cannot access your files or running programs. If you don't like this behaviour, get something like vlock
A screensaver?
You need some program for screensavers too...
- xscreensaver
- xlockmore
- gnome-screensaver
- really slick screensavers (rss)
- electricsheep
These have a but different behaviours. For example, xlockmore launches the screensaver when you launch the program. So you need an icon/menuitem/keybind for it. XScreensaver runs on background (add it to ~/.fluxbox/startup) and after a certain amount of idling launches the screensaver.
There are several lock utilities that launch xscreensaver when you lock, these include XScreenSaver.App and GkrellShoot

