August 21, 2009
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Lock your screen, even if your panel/DE/WM doesn’t have a plugin or program to do it! It’s nothing new or fancy — in fact, according to the man page it’s copyrighted 1994 but it’s very lightweight. It’s xtrlock, which I have not been able to track down the homepage of. 😦 It’s in the Debian and Ubuntu repositories
It doesn’t hide what you have on the screen, though, and the default mouse icon is ugly imo. But it’s desgined to do one thing: lock the screen until you type your password correctly and hit Enter. Well, three things: it also sounds a bell if the password is entered incorrectly, and locks out all input for a peroid of time if too many failed attempts occur.