Issue #23 - March 2009 full circle STEVE STALCUP THE INDEPENDENT MAGAZINE FOR THE UBUNTU COMMUNITY PROGRAM IN C - PART 7 WEB DEVELOPMENT - PART 4 SPREADING UBUNTU - PART 2 TROUBLESHOOTING TROUBLESHOOTING USING THE COMMAND LINE HOW TO BE A GEEK GODDESS Full Circle magazine is not affiliate1d with or endorsed by Canonical Ltd. p.04 Troubleshooting p.06 Program In C - Part 7 p.08 Web Development - Part 4 p.15 Spread Ubuntu - Part 2 p.19 full circle Becoming An Ubuntu User p.22 w w w . f u l l c i r c l e m a g a z i n e . o r g How To Be A Geek Goddess p.23 : Steve Stalcup p.24 p.26 p.28 p.30 P.23 P.24 p.32 P.08 P.15 p.33 : Task Managers p.35 p.37 30 .35 P.19 P..28 P. P icons: KDE4 Oxygen The articles contained in this magazine are released under the Creative Commons Attribution-Share Alike 3.0 Unported license. This means you can adapt, copy, distribute and transmit the articles but only under the following conditions: You must attribute the work to the original author in some way (at least a name, email or URL) and to this magazine by name ('full circle magazine') and the URL www.fullcirclemagazine.org (but not attribute the article(s) in any way that suggests that they endorse you or your use of the work). If you alter, transform, or build upon this work, you must distribute the resulting work under the same, similar or a compatible license. 2 EEDDIITTOORRIIAALL This magazine was created using : t's true what they say, time does fly when you're having fun. Next month is the second anniversary of FCM. Full Circle magazine will Ibe two years old this coming April, and, in celebration of this (semi)monumental event, FCM#24 will be an uber-issue with surprises galore. What do we want for our birthday? I'm glad you asked. We'd like to see FCM slap-bang on the front page of SlashDot, and Digg if possible. Not only will it keep Robert happy, it's his life long aim to be on SlashDot, but it will expose FCM to many new readers. A readership of Ubuntu is a complete operating 25,000 each month is great, but we want more. We're greedy system that is perfect for laptops, desktops and servers. Whether at like that. I'm sure there are still many folks out there who haven't home, school or work Ubuntu heard of Full Circle magazine, and we can't have that. contains all the applications you'll ever need including word processor, Enjoy this month's issue, keep a close eye out for FCM#24 on the email application and web browser. 24th of April and good luck in this month's competition. Oh, and keep those emails coming! Ubuntu is and always will be free of charge. You do not pay any licensing fees. You can download, use and share Ubuntu with your friends, family, school or business for Editor, Full Circle Magazine absolutely nothing. [email protected] Once installed, your system is ready to use with a full set of productivity, internet, drawing and graphics applications, and games. 3 French Police: We Saved Millions Xavier Guimard, who says that the Gendarmerie has been able NNEEWWSS By Adopting Ubuntu to reduced its annual IT budget France's Gendarmerie Nationale says by 70 percent without having to Ubuntu 9.04 Beta Released it has saved millions by migrating its reduce its capabilities. desktop software infrastructure away : http://arstechnica.com Both the from Windows and replacing it with server, and Ubuntu. desktop editions, of They began their transition to open Ubuntu 9.04 source software in 2005 when it Game Development Survey (Jaunty replaced Microsoft Office with Jackalope) OpenOffice.org. It gradually adopted Free Game Developer forum are beta have been released. It comes other software applications, including having a discussion about the with many new features, some of Firefox and Thunderbird. After the possible ways of funding an open which come courtesy of upstream. launch of Windows Vista in 2006, it source game project, and have A new GNOME release, a new decided to phase out Windows and placed the arguments into a X.org release, a new notification incrementally migrate to Ubuntu. survey to ask people their system, they're all in there. opinions. If you would like to At the current stage of the migration, take part in the survey, click the Since Ubuntu 9.04 comes with it has adopted Ubuntu on 5,000 source link below, as they are GNOME 2.26, it inherits its new workstations. Based on the success trying to get as many features: it comes with the of this migration, it plans to switch participants as possible. Brasero burning tool, better 15,000 workstations to Ubuntu by support for multiple monitors with the end of the year. It aims to have http://tinyurl.com/opensurvey a new configuration panel, better the entire organization, and all PulseAudio integration, and so on. 90,000 of its workstations, running This Ubuntu 9.04 beta also comes Ubuntu by 2015. with X.org 1.6, and several more A report published by the European video cards now use open drivers. Commission's Open Source Sorry if you didn't win this month, Observatory provides some details but in next months issue we'll be : http://www.osnews.com reviewing and from a recent presentation given by have copies to give away! Gendarmerie Lieutenant-Colonel 4 GNOME 2.26 Released burning backends. Note that the NEWS previous method of burning is NEWS still part of GNOME. Work on GNOME's mail and Canonical Launching Ubuntu groupware suite, Evolution , has Server Training Course focussed on users migrating from Windows. Evolution now Expanding its Ubuntu training supports importing Outlook .pst series, Canonical is planning to files, as well as support for make an Ubuntu Server training Microsoft Exchange's MAPI course available later this year. In protocol. This makes GNOME a blog posting Canonical, the much more suited to work with The GNOME team has released financial backer of Ubuntu Linux, Exchange servers. said that the new course is being GNOME 2.26, the latest release in the designed in response to requests 2.x release branch. As everyone There are also a few media- from both students and partners. knows, GNOME is a multi-platform related improvements, such as open source desktop environment. the automatic subtitle 'Deploying Ubuntu in the The 2.26 release continues GNOME's downloader plugin in Media Enterprise Environment' will be a policy of incremental updates to a Player. There's also a new five-day course designed for stable base, and as such, it comes volume control applet that intermediate-to-advanced system packed with a boatload of new makes full use of PulseAudio's administrators working in features. advanced audio features. The organisations which are about to old Gstreamer mixer is still GNOME 2.26 includes the Brasero deploy, or have already deployed, available to those who aren't CD/DVD burning tool as the default Ubuntu desktops and servers in using PulseAudio. the office, Canonical said. burning application. Even though GNOME already supported burning Other new features include, “Participants will acquire the capabilities, Brasero brings new among others, video chat in skills they need to deploy, features to GNOME such as audio Empathy, better multi monitor configure and maintain Ubuntu track preview, track splitting, volume support, and fingerprint reader Server Edition within an normalisation, full multisession support. enterprise infrastructure.” support, integrity checks, a cover : http://www.osnews.com : http://www.tectonic.co.za editor, and support for multiple 5 to see if they show any CCOOMMMMAANNDD AANNDD CCOONNQQUUEERR indication of having recognized Written by Lucas Westermann your USB stick. If the drive is recognized by the system you 've noticed that there were to find out what you need to do to can, for a more specific error quite a few posts on Ubuntu resolve the issue. message, try mounting the USB Forums in the last couple of stick manually, and see why it is I A more difficult problem to weeks about how to troubleshoot failing. troubleshoot is if, for example, you errors that occur. Therefore, I insert a USB stick and it isn't decided I'd cover some basic The above commands and recognized by Nautilus. The first things I do when trying to find ideas can apply to almost any command that should be run is: where a problem is occurring, so issue that you might encounter, that I can google for a solution dmesg|tail as long as you have a basic (unless I can fix it without that). understanding of where to look. For general knowledge, logs are See if the output of that refers to The next suggestion, however, is stored under /var/log/, and there the insertion of a USB stick, or for slow boot times and to see are system logs (for everything), anything that relates to your specific what exactly is going on when and then a collection of logs for problem. If it doesn't appear in the you start the computer - in case applications or processes. output you can try either extending something is hanging and the amount of output you see by causing a large delay. The first thing that should be adding the -n argument to tail, and This is done by a program done - if an application crashes on the number of lines you want startup (e.g.