How to Solve: Ubuntu Update Error “Failed to fetch cdrom”

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Problem:

While trying to update Ubuntu using the command sudo apt-get update in terminal results in the following error:

W : Failed to fetch cdrom://Ubuntu 11.10 _Oneiric Ocelot_ – Release amd64 (20111012)/dists/oneiric/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
E: Some index files failed to download. They have been ignored, or old ones used instead.

Reason:

As you can see in the error, it tries to get some information from the CD-ROM. For some reason, CD-ROM is listed in the list of software sources from where it tries to update.

Solution:

  1. Open Dash, and type Software Sources.
  2. Click on “Software Sources” icon, “Software Sources” window will appear.
  3. Click on ‘Ubuntu Software’ tab.
  4. Tick OFF against an item: “cdrom:[Ubuntu 11.10 _Oneiric Ocelot_ – Release amd64 (20111012)]/dists/oneiric/main/binary-i386/”.
  5. Click on ‘Close‘ button.
  6. Open up Terminal, and try again sudo apt-get update.

I hope it helped you. Questions and suggestion along with a word of thanks is always welcomed. Cheers :)

Source: Ubuntu Forums

How to add VLC to Ubuntu Sound Menu

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The new and stylish VLC 2.0 has been released recently and now it supports the integration with the sound menu meaning you can now control the VLC player from the Ubuntu sound menu like you do with Rythembox or Banshee.

By default it is not enabled in Vlc but can be easily enabled by following the steps given below: [Read more…]

How to upgrade to Ubuntu 11.10 Beta from Ubuntu 11.04

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Pic Courtsey: uniquetipsonline.com

Ubuntu released the second beta version of Ubuntu 11.10 OneiricOcelot last week. Final version is scheduled to release on 13 October 2011. 11.10 has some compelling improvements over its predecessors 11.04. If you want to be one of the early followers and want to upgrade it, follow the instructions below:

  • Press Alt+F2 to open the command box
  • Type “update-manager -d” (without the quotes)
  • Please mind the space between manger and -d
  • Update Manager should open up and tell you: New distribution release ‘11.10’ is available.
  • Click Upgrade and follow the on-screen instructions.

Enjoy Ubuntu 11.10.

Sources: https://wiki.ubuntu.com/OneiricOcelot/TechnicalOverview/

Related articles

Ubuntu 11.10 Release Schedule

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The Ubuntu lovers might want to synchronise their calendar with Ubuntu 11.10 (Oneiric Ocelot) release schedule which goes as follows:

June 2nd, 2011 – Alpha 1 release
July 7th, 2011 – Alpha 2 release
August 4th, 2011 – Alpha 3 release
September 1st, 2011 – Beta 1 release
September 22nd, 2011 – Beta 2 release
October 13th, 2011 – Final release of Ubuntu 11.10

Ubuntu 11.10 is the 15th Ubuntu operating System. And like 11.04 it will have Unity as its desktop environment.