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I recently downgraded from 11.10 to 10.04LTS for compatibility and support of specific development tools.

The Ubuntu Software center is missing many packages that I had access to in 11.10, most notably LibreOffice. (Also development tools.)

Is there a way to update software sources to find the missing packages? (Or are they incompatible with 10.04?) Synaptic does not have libre either. I feel like I am working with a gimped version of USC.

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You have to remove OpenOffice and enable the PPA for LibreOffice.

Remove Openoffice

Before installing LibreOffice you need to remove existing openoffice from your system using the following command

sudo apt-get purge openoffice*.*

Install libreoffice in ubuntu 11.04/10.10/10.04 using PPA

Open the terminal and run the following commands

sudo add-apt-repository ppa:libreoffice/ppa

sudo apt-get update

sudo apt-get install libreoffice

For gnome users - you also need to install the following package

sudo apt-get install libreoffice-gnome 

As far a the development tools may I recommend installing "Y PPA Manager", this will allow you to search for tools and apps. Install the PPA and assist in downloading.

sudo add-apt-repository ppa:webupd8team/y-ppa-manager

sudo apt-get update

sudo apt-get install y-ppa-manager

source Y-PPA

source LibreOffice

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Thank You. I had just done this, loaded Libre, then the system requested an auto update, one of the updates being updated software sources. Now, all the familiar packages are back in USC. Thankfully I will not have to add PPAs for each. Since it was a new build, the system had not had a chance to update its sources. Strangely, a large number of apt-get updates over the past day did not pick up the changes. – Chris Mar 25 '12 at 16:44
Not only that. To me it also was convincing! [+1]up – v2r Mar 25 '12 at 20:01
Please click the little green checkmark by the answer. Thanks – Ringtail Mar 26 '12 at 0:10

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