[frgeek-michiana] Re: Ubuntu 10.04 LTS installs

  • From: Tom Brown <tbrown@xxxxxxxxxxxx>
  • To: frgeek-michiana@xxxxxxxxxxxxx
  • Date: Fri, 12 Nov 2010 20:25:47 -0500

Sorry about my imprecise language.

Rhythmbox on my Ubuntu 10.04 laptop automatically detects music CDs and pops up a list of the tunes to choose from. I recall Movie Player, or Ubuntu, offering to download additional libraries the first time I tried to play a video DVD. Perhaps audio codecs were included? I don't remember doing the same thing with Rhythmbox.

At the workshop, Rhythmbox did not detect music CDs. When we opened Rhythmbox and tried to play an audio CD, we got error messages saying mp3 libraries or codecs were not available to play the CD.

RhythmBox's web site says:

   *  Easy to use music browser
   * Searching and sorting
   * Comprehensive audio format support through GStreamer
   * Internet Radio support including last.fm streams
   * Playlists
   * Display audio visualizations
* Transfer music to and from iPod, MTP, and USB Mass Storage music players
   * Display album art and song lyrics downloaded from the internet
   * Play, rip, and burn audio CDs
   * Automatically download audio podcasts
   * Browse, preview, and download albums from Magnatune and Jamendo

However, all we got last night was an error message regarding mp3 files. We know the CDROM drive was good because we installed Ubuntu from it and also manually mounted data CDs.

We'll try the HPLJ4 driver next week.

Tom --

Tony Germano wrote:
Technically, an audio CD can't be mounted. It doesn't have a filesystem. It is in the RedBook format, and the audio is encoded in 2-channel PCM at 44.1kHz. Whether Ubuntu detects it as a audio CD and autoplays it is another matter, but it shouldn't be dependent on mp3 codecs being present (unless we're actually talking about a data disc with mp3 files on it.) I find it very surprising that a fresh install can't play an audio cd. You may need to actually select a "Play Audio CD" option in the media player. I know that is the case with Windows Media Player and VLC (and 12 years ago when I still used WinAmp.)

As for the printer, nearly every HP LasetJet that I've come across will work with the standard LaserJet 4 drivers (at least in Windows) as long as you don't need any extra functionality like selecting output trays or duplexing. That printer and, I believe, all LaserJets after it support the Enhanced PCL 5 language.

Tony

> Date: Fri, 12 Nov 2010 09:13:03 -0500
> From: tbrown@xxxxxxxxxxxx
> To: frgeek-michiana@xxxxxxxxxxxxx
> Subject: [frgeek-michiana] Ubuntu 10.04 LTS installs
>
> Mark and I found some problems last night testing Ubuntu 10.04 LTS.
>
> 1. Audio/video CDs and DVDs
>
> We discovered that Ubuntu 10.04 LTS has problems automounting CDs and
> audio CDs in particular. Ubuntu does not come with MP3 codecs installed
> so we could not play, and therefore test, audio CDs. We were able to
> test the sound subsystem another way.
>
> I suspect we'll have the same problem with video CDs and DVDs because of
> missing codecs.
>
> 2. Printer setup
>
> Mark attached the Laserjet HP6L gravity feed printer we typically use
> for final testing. Ubuntu detected the printer, but there were no local
> printer drivers for it. Instead, Ubuntu tried to download drivers from
> the Internet. Since we don't have an Internet connection yet, that
> didn't work.
>
> 3. Network interfaces
>
> We need to install a LAN at the workshop so we can test network
> interfaces. I'll bring cable, tools and a tester next Thursday.
>
> 4. Immediate solution
>
> The only immediate solution is to put off testing of these components of > Ubuntu and inform FreeBox recipients they need to bring their systems to
> FGMLUG for final setup and testing. Even if we are prepared to do so at
> the workshop, we might want to put off installing drivers and codecs.
>
> FGMLUG has Internet connections and can download updates, drivers and
> codecs. The advantage is hooking people into FGMLUG right away. LUG
> members can test the network interface and show the recipient how to
> update their systems. If they bring an audio CD or DVD, FGMLUG can
> install codecs and show the user how to play audio/video on their
> computer as well as install Flash for web browsing.
>
> FGMLUG can advise recipients on printers and install printers. At our
> last meeting we showed an FGMLUG member how to install a printer over
> his home XP based network. He brought the printer to the meeting. We
> showed him how to install the printer directly on the Ubuntu box. Then
> we installed the printer on a Windows Vista system, detected the printer
> over the network and installed the correct driver in Ubuntu.
>
> Tom --
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