325 lines
10 KiB
HTML
325 lines
10 KiB
HTML
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<h3>Frequently Asked Questions</h3>
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This is a collection of some of the more frequently asked questions
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about BusyBox. Some of the questions even have answers. If you
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have additions to this FAQ document, we would love to add them,
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<ol>
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<li><a href="#kernel">Which Linux kernel versions are supported?</a>
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<li><a href="#arch">Which architectures does BusyBox run on?</a>
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<li><a href="#libc">Which C libraries are supported?</a>
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<li><a href="#commercial">Can I include BusyBox as part of the software on my device?</a>
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<li><a href="#bugs">I think I found a bug in BusyBox! What should I do?!</a>
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<li><a href="#job_control">Why do I keep getting "sh: can't access tty; job control
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turned off" errors? Why doesn't Control-C work within my shell?</a>
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<li><a href="#demanding">I demand that you to add <favorite feature> right now! How come
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you don't answer all my questions on the mailing list instantly? I demand
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that you help me with all of my problems <em>Right Now</em>!</a>
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<li><a href="#getting_started">How can I get started using BusyBox?</a>
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<li><a href="#helpme">I need help with BusyBox! What should I do?</a>
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<li><a href="#contracts">I need you to add <favorite feature>! Are the BusyBox developers willing to
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be paid in order to fix bugs or add in <favorite feature>? Are you willing to provide
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support contracts?</a>
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<li><a href="#support">I think you guys are great and I want to help support your work!</a>
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</ol>
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<hr />
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<p>
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<h2><a name="kernel">Which Linux kernel versions are supported?</a></h2>
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<p>
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Full functionality requires Linux 2.2.x or better. A large fraction of the
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code should run on just about anything. While the current code is fairly
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Linux specific, it should be fairly easy to port the majority of the code
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to support, say, FreeBSD or Solaris, or Mac OS X, or even Windows (if you
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are into that sort of thing).
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<hr />
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<p>
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<h2><a name="arch">Which architectures does BusyBox run on?</a></h2>
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<p>
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BusyBox in general will build on any architecture supported by gcc.
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Kernel module loading for 2.2 and 2.4 Linux kernels is currently
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limited to ARM, CRIS, H8/300, x86, ia64, x86_64, m68k, MIPS, PowerPC,
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S390, SH3/4/5, Sparc, v850e, and x86_64 for 2.4.x kernels.
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With 2.6.x kernels, module loading support should work on all architectures.
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<hr />
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<p>
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<h2><a name="libc">Which C libraries are supported?</a></h2>
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<p>
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uClibc and glibc are supported. People have been looking at newlib and
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dietlibc, but they are currently considered unsupported, untested, or
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worse. Linux-libc5 is no longer supported. If you require a small C
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library, you should probably use uClibc.
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<hr />
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<p>
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<h2><a name="commercial">Can I include BusyBox as part of the software on my device?</h2>
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Yes. As long as you <a href="http://busybox.net/license.html">fully comply
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with the generous terms of the GPL BusyBox license</a> you can ship BusyBox
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as part of the software on your device.
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<a href="#support">Please consider sharing some of the money you make.</a>
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<hr />
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<p>
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<h2><a name="bugs">I think I found a bug in BusyBox! What should I do?</h2>
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<p>
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If you find a problem with BusyBox, please submit a detailed bug report to
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the BusyBox mailing list at <a href="mailto:busybox@mail.busybox.net">
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busybox@mail.busybox.net</a>. Please do not send private email to Erik
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(the maintainer of BusyBox) asking for private help unless you are planning
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on paying for consulting services. When we answer questions on the BusyBox
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mailing list, it helps everyone, while private answers help only you...
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<p>
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If you find bugs, please submit a detailed bug report to the BusyBox mailing
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list at busybox@mail.busybox.net. A well-written bug report should include a
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transcript of a shell session that demonstrates the bad behavior and enables
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anyone else to duplicate the bug on their own machine. The following is such
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an example:
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<pre>
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To: busybox@mail.busybox.net
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From: diligent@testing.linux.org
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Subject: /bin/date doesn't work
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Package: BusyBox
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Version: 1.00
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When I execute BusyBox 'date' it produces unexpected results.
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With GNU date I get the following output:
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$ date
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Fri Oct 8 14:19:41 MDT 2004
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But when I use BusyBox date I get this instead:
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$ date
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illegal instruction
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I am using Debian unstable, kernel version 2.4.27 on a x86 system,
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and the latest uClibc from CVS. Thanks for the wonderful program!
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-Diligent
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</pre>
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Note the careful description and use of examples showing not only what BusyBox
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does, but also a counter example showing what an equivalent GNU app does. Bug
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reports lacking proper detail may never be fixed... Thanks for understanding.
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<hr />
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<p>
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<h2><a name="job_control">Why do I keep getting "sh: can't access tty; job control
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turned off" errors? Why doesn't Control-C work within my shell?</a></h2>
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<p>
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Job control will be turned off since your shell can not obtain a controlling
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terminal. This typically happens when you run your shell on /dev/console.
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The kernel will not provide a controlling terminal on the /dev/console
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device. Your should run your shell on a normal tty such as tty1 or ttyS0
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and everything will work perfectly. If you <em>REALLY</em> want your shell
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to run on /dev/console, then you can hack your kernel (if you are into that
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sortof thing) by changing drivers/char/tty_io.c to change the lines where
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it sets "noctty = 1;" to instead set it to "0". I recommend you instead
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run your shell on a real console...
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<hr />
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<p>
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<h2><a name="getting_started">How can I get started using BusyBox?</a></h2>
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<p>
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An easy method to build your own basic BusyBox based system, is to
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follow these simple steps:
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<ul>
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<li> Point your web browser <a href="/cgi-bin/cvsweb/buildroot/">here</a>
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<li> Click on "Download tarball"
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<li> Unpack the tarball on your Linux system somewhere
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<li> run 'make' and configure things to taste.
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<li> run 'unset CC'. Some Linux systems (i.e. Gentoo) set 'CC'
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in the system environment which messes up cross compiles.
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<li> run 'make'
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<li> go have lunch, drink a pop, call a friend, play a video game, etc
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till it finishes downloading software and compiling things.
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<li> You should now have a shiny new BusyBox based system.
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</ul>
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<hr />
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<p>
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<h2><a name="demanding">I demand that you to add <favorite feature> right now! How come
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you don't answer all my questions on the mailing list instantly? I demand
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that you help me with all of my problems <em>Right Now</em>!</a></h2>
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<p>
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You have not paid us a single cent and yet you still have the product of
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many years of our work. We are not your slaves! We work on BusyBox
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because we find it useful and interesting. If you go off flaming us, we
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will ignore you.
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<hr />
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<p>
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<h2><a name="helpme">I need help with BusyBox! What should I do?</a></h2>
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<p>
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If you find that you need help with BusyBox, you can ask for help on the
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BusyBox mailing list at busybox@mail.busybox.net. In addition to the BusyBox
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mailing list, Erik (andersee), Manuel (mjn3) and others are known to hang out
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on the uClibc IRC channel: #uclibc on irc.freenode.net.
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<p>
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<b>Please do not send private email to Erik, Manuel, or the other BusyBox
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contributors asking for private help unless you are planning on paying for
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consulting services.</b>
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<p>
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When we answer questions on the BusyBox mailing list, it helps everyone
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since people with similar problems in the future will be able to get help
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by searching the mailing list archives. Private help is reserved as a paid
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service. If you need to use private communication, or if you are serious
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about getting timely assistance with BusyBox, you should seriously consider
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paying for consulting services.
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<p>
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<hr />
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<p>
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<h2><a name="contracts">I need you to add <favorite feature>! Are the BusyBox
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developers willing to be paid in order to fix bugs or add in <favorite feature>?
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Are you willing to provide support contracts?</a></h2>
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<p>
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Sure! Now you have our attention! What you should do is contact <a
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href="mailto:andersen@codepoet.org">Erik Andersen</a> of <a
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href="http://codepoet-consulting.com/">CodePoet Consulting</a> to bid
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on your project. If Erik is too busy to personally add your feature, there
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are many other active BusyBox contributors who will almost certainly be able
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to help you out. Erik can contact them privately, and may even let you to
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post your request for services on the mailing list.
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<hr />
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<p>
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<h2><a name="support">I think you guys are great and I want to help support your work!</a></h2>
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<p>
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Wow, that would be great! Erik personally pays for all the bandwidth, and
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all servers used for busybox.net out of his own pocket. If you would like
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to make a donation to help support BusyBox, and/or request features, you
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can click here:
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<!-- Begin PayPal Logo -->
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<center>
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<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
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<input type="hidden" name="cmd" value="_xclick">
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<input type="hidden" name="business" value="andersen@codepoet.org">
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<input type="hidden" name="item_name" value="Support BusyBox">
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<input type="hidden" name="image_url" value="http://codepoet-consulting.com/images/codepoet.png">
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<input type="hidden" name="no_shipping" value="1">
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<input type="image" src="images/donate.png" name="submit" alt="Make donation using PayPal">
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</form>
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</center>
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<!-- End PayPal Logo -->
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If you prefer to contact Erik directly to make a donation, donate hardware,
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request support, etc, you can contact
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<a href="http://codepoet-consulting.com/">CodePoet Consulting</a> here.
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CodePoet Consulting can accept both Visa and MasterCard for those that do not
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trust PayPal...
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<hr />
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