One of the things I've always liked about using Linux is the feeling that my input is actually important. Either by way of giving input to the developers directly or (more importantly) reporting bugs that inevitably appear on a system. It's the latter of the two that help Linux (as a whole) to take great strides forward. Without a community of users and developers to report problems, the operating system would stagnate.
But to the new user, these bugs are nothing more than a nuisance, getting in the way of things "just working". Those new users need help in understanding that bugs in Linux should be reported to the developers. But how do you do it? A new user isn't going to be savvy enough to run a backtrace on a segfaulting piece of software. In this article I am going to attempt to help the new user to see how easy it can be to report bugs as well as how and/or where to report them.
What is a "bug"?
I would venture a guess that most everyone viewing this site knows what a "bug" is, in reference to computer software. But just in case you don't...
When referring to a "bug" on a computer, it is always referring to a software bug. This means that somewhere, within the code, there is a problem that can only be resolved by fixing the code (there are, of course, exceptions.) In Linux you will find bugs will show up in strange ways. Sometimes a program simply won't start. Or some times a program will start but give you an error (sometimes a rather saucy error).
It's when a program doesn't launch that bugs become really problematic. Why? How do you know what is going on? The first, and best, way to figure this out is by launching the program from the command line (instead of the menu). This will often give you some indication as to what is going on. From this "indication" you can often google the error and find a resolution. But what happens if you find no resolution? That is when tools come in to play.
Linux bug tools
The first tool many developers will want you to use is strace. This application is a way to run a buggy piece of software and get returned a log file that is very helpful to developers. So when you have a piece of software that will not start (say it exits with a segmentation fault) you can start the application using strace like so:
strace -o OUTPUT_FILE /PATH/TO/EXECUTABLE
Where OUTPUT_FILE is the file you want to output the debug info to and /PATH/TO/EXECUTABLE is the explicit path to the executable file. NOTE: You MUST use the complete (explicit) path to the executable or the program will not execute.
The file containing the debug info is precious manna for developers trying to squash bugs in software. Attaching it to bug reports is more helpful than anything.
Most distributions have specific web sites dedicated to reporting bugs. For example: Ubuntu uses Launchpad for bug reporting. Red Hat uses Bugzilla for bug reporting. OpenSuSE has their own bug reporting site. If you are interested in helping make your favorite distribution better, make sure you know the site for reporting bugs.
There are also tools, like BugBuddy, that are useful for reporting bugs (which I will address in a later article).
The single most important issue with reporting bugs is to make sure you collect as much information about the bug as possible. Armed with that information, you will be a big help to the developers of the application and that bug will get squashed.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.