Wireless on Linux is a perennial embarrassment.  Although the situation has improved immensely since a few years ago, the inability to get wireless cards working acceptably often tops the list of user frustrations. Here’s an outline of what’s wrong with Ubuntu’s approach to wireless drivers, and how to fix it.

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Generally, a fresh installation of Ubuntu is pretty usable out-of-the-box.  But some aspects of the default configuration seem pretty silly to me.  Here are the ones I’d change first if I were in charge of Ubuntu.

File-system privileges

By default, almost every file on an Ubuntu system is readable by everyone.   This means that, under a non-privileged account, I can read system configuration files that normal users have no reason to view, and which might be exploited by a malicious user to gain root access to the system.

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In what represents the final victory in the long struggle between the free-software community and Broadcom, the developers of the open-source b43 wireless driver announced a few days ago that they’ve succeeded in reverse-engineering firmware for Broadcom-based cards.

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