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info about DVD on Linux
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DVD and video playback on Linux[[Image:Example.jpg]]
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My latest adventure had involved getting video and dvd playback from Debian (Sarge) and Fedora Core 1. With Debian, getting xine installed was as easy as apt-get install xine-ui, because apt-get took care of the dependencies (namely xine lib). Once xine was installed, I found a neat site about xine in general, and found out that you can install various skins for the xine player user interface (the picture shows Celoma Gold).  To download a new skin, you press Ctrl+d  while window focus is on the Xine application. You should definately visit http://cambuca.ldhs.cetuc.puc-rio.br/xine/ for instructions on how to get xine, and how to get various codecs to support Windows and Mov file formats.
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Of course, once xine was installed, I found out quickly that I could not access my CD-R drive, or my external DVD drive.  I would get an error to the effect that "only root could mount dev/scd0 on mnt/dvdram".  I was pretty sure that when I installed Debian on my system originally that I had chosen to allow normal users to mount devices (like floppy, cd-writer, dvd) -- mostly because this is my computer and I want to do what I want without having to invoke special super-user privileges.  Also, this is what I'm accustomed to doing in a Windows environment.  I think it is great that Linux allows you to precisely configure access to various resources, but for a desktop system, this feature can get in the way.  So, I went hunting for the proper way to turn these devices on.


ls -al /mnt
<!-- @FIXME this section needs to be served over https
showed that there was indeed a mount point defined called /mnt/dvdram. I tried to change the ownership of the mount point
== Status ==
  chown greg:greg /mnt/dvdram
{{#widget:Embed|param1=http://wiki.freephile.org:20000/api/v1/badge.svg?chart=elasticsearch_local.cluster_health_status&alarm=elasticsearch_last_collected&refresh=auto}}
but that didn't work
 
ls -al /dev/scd0
-->
showed that the device was owned by root, and the group cdrom. I checked into the group to see if I was a member by using the graphical tool kuser (System -> User Manager).  That showed I was a member of the cdrom group and the floppy group.
== What's New ==
brw-rw-rw-    1 root    cdrom    11,  0 May 20 21:22 /dev/scd0
=== POTD ===
I read somewhere that I should do a 'modprobe ide-scsi' which didn't show any results.
[[File:Potd-logo.svg|link=http://commons.wikimedia.org/wiki/Commons:Picture_of_the_day|thumb|click here for the Picture Of The Day]]
The next command I found was
 
cdrecord -scanbus
=== Articles ===
which did show that my DVD drive was there, and also my scanner.
{{Special:Newpages/limit=10,shownav,namespace=Main}}
I made sure the device was indeed mounted on the /mnt/dvdram mountpoint
[[Special:Newpages/namespace=Main|more]] [[Image:Go-next.svg|16px|more|link=Special:Newpages/namespace=Main]]
mount /dev/scd0 /mnt/dvdram
 
and, since Xine looks for DVDs at /dev/dvd by default, I created a symbolic link from /dev/dvd to the existing /dev/scd0
=== Revisions ===
ln -s /dev/scd0 /dev/dvd
{{Special:RecentChanges/days=90,limit=10,hidebots,hideminor}}
I also read that you need to have mtrr compiled into your kernel, which you can tell by this command
[[Special:RecentChanges|more]] {{More|Special:RecentChanges}}
cat /proc/mtrr
 
According to this article, http://linux.omnipotent.net/article.php?article_id=11799, you need DMA (Direct Memory Addressing) enabled on the drive in order to avoid jumpy playback. 
=== Files ===
hdparm -d /dev/dvd
See the following links:
Told me I didn't have the hdparm tool, which I confirmed with a
[[Special:NewImages|more]] {{More|Special:NewImages}}
locate hdparm
 
So, I installed hdparm
=== Templates ===
apt-get install hdparm
{{Special:Newpages/limit=10,shownav,namespace=Template}}
But now, when I run the same command, it tells me that this operation is not allowed on a SCSI drive.  As far as I know, this is not a scsi drive, but an ide drive using scsi emulation...Then again, I just a user, and I'm feeling pretty lucky that I know it's a DVD drive.  So, I'm not sure how to cure my jumpy playback issues.  Anyway, at least I've got the permission problems licked, and Xine is installed with a nice UI, and I can playback a DVD from my external DVD drive.
[[Special:Newpages/namespace=Template|more]] [[Image:Go-next.svg|16px|more|link=Special:Newpages/namespace=Template]]

Latest revision as of 13:13, 28 June 2025

We created QualityBox, a SaaS, enterprise-grade, knowledge platform with Wikipedia at it's core. The source is still available in our github. Much of this site is dedicated to showcasing the features and solutions of "Enterprise MediaWiki" - defined as the Knowledge Platform for organizations.

Check out our latest Videos !

Freephile Wiki[edit]

Freephile Wiki is a site about free technology, supporting freedom in general, in life and on the Internet. It was started by Greg Rundlett of eQuality Technology. This site is a wiki that you can edit. Contact Greg to request an account.

FOSS Experts
FOSS Experts
People and FREE Directory are available to answer your specific questions and go beyond what you can do on your own.
Free Software
Free Software
Applications are specific tools that you can use in business, home, education and life.
Help
Help

The Help system will get you started quickly, and is a trusty resource whenever you need Help.

Search
Search

The powerful search in this wiki will help you find whatever you are looking for. See the Index for a complete list of articles. Search is also a complete category.


What's New[edit]

POTD[edit]

click here for the Picture Of The Day

Articles[edit]

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4 December 2025

26 November 2025

21 November 2025

  • 17:5517:55, 21 November 2025 Page components/about (hist | edit) [6,558 bytes] Admin (talk | contribs) (Created page with "For a long time I've wanted to be able to package the "scaffolding" required to author beautiful pages in MediaWiki so that the first thing you do (as an author) is create content rather than to setup scaffolding. By scaffolding, I'm referring to all the things missing from MediaWiki like "help" namespace content, Templates (with a capital T), images or icons used in interface elements or general-purpose templates and other things that would be like a "Starter Kit" to ma...") originally created as "Page components/about?action=edit&redlink=1"
  • 12:3412:34, 21 November 2025 Meza/caching (hist | edit) [5,210 bytes] Admin (talk | contribs) (draft) Tag: Visual edit

18 November 2025

30 October 2025

  • 23:1123:11, 30 October 2025 Meza/Halloween release (hist | edit) [7,294 bytes] Admin (talk | contribs) (Created page with "== Issues == Fully linked issues are complete. Issues with only a link on the issue ID are in progress. # <bdi>update Project documentation and Online resources</bdi> [https://github.com/freephile/meza/issues/3 #3] # <bdi>Restructure Meza into multiple roles and collection(s)</bdi> [https://github.com/freephile/meza/issues/42 #42] # [https://github.com/freephile/meza/issues/44 <bdi>Ensure .smw.json has a home</bdi> #44] # [https://github.com/freephile/meza/issues/48 cre...") Tag: Visual edit
  • 09:3509:35, 30 October 2025 Page components (hist | edit) [16,884 bytes] Admin (talk | contribs) (Created page with "{{Feature |description=Page Components is the name I'm using for a visual design system that lets Users easily compose pages with various "blocks" or "elements" on the page. }}")
  • 02:0002:00, 30 October 2025 Meza/logs (hist | edit) [695 bytes] Admin (talk | contribs) (Created page with "* <code>write_create_wiki_log()</code> - Logs '''create-wiki''' operations with timestamp, environment, unique ID, condition, wiki details, and git information * <code>get_create_wiki_log_path()</code> - Gets the path to '''create-wiki''' log files for a given environment '''Transactional Log Format''' Filename: <code>create-wiki.log</code> Content: * timestamp env unique_id condition wiki_id wiki_name git_tag git_hash secret_hash public_hash args_string '''Processi...") Tag: Visual edit
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This edit created a new page (also see list of new pages)
m
This is a minor edit
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This edit was performed by a bot
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The page size changed by this number of bytes

5 December 2025

     16:09  Page components 3 changes history +1,368 [Admin (3×)]
     
16:09 (cur | prev) +760 Admin talk contribs (elaborate) Tag: Visual edit
     
13:51 (cur | prev) +99 Admin talk contribs (a little clarification)
     
12:57 (cur | prev) +509 Admin talk contribs (Drupal: add links about Canvas)
     16:08  Page components/about 3 changes history +1,618 [Admin (3×)]
     
16:08 (cur | prev) +776 Admin talk contribs Tag: Visual edit
     
11:16 (cur | prev) +90 Admin talk contribs (Stretch Goals)
     
11:15 (cur | prev) +699 Admin talk contribs (Gadgets: update Gadgets section) Tag: Visual edit: Switched
     15:40  JavaScript diffhist +36 Admin talk contribs (Add Section) Tag: Visual edit
N    12:16  Category:Features diffhist +168 Admin talk contribs (create)
     12:02  MediaWiki:Gadget-HotCat diffhist +2 Admin talk contribs
     10:41  Citations diffhist +912 Admin talk contribs (Add the easy and the difficult options for citation functionality)

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