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I'm trying to install Qt Creator IDE version 2.4.1 with repository but there is Qt Creator IDE version 2.2.1, I searched but didn't find repository to download qt. just found the offline QT Creator Installer from site of Nokia .

should i download the offline installer ?

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It's in ppa: launchpad.net/ubuntu/+source/qtcreator ... possible duplicate askubuntu.com/questions/16211/… –  hbdgaf Mar 12 '12 at 12:08
i add the repository but there isn't any upgrades !!! –  hamed Mar 12 '12 at 12:19
it's in ppa for precise. judging from the history, they're not planning on pushing it back to 11.x –  hbdgaf Mar 12 '12 at 12:20
ok,i got this error while updating repositories failed to fetch http://ppa.launchpad.net/launchpad.net/ubuntu/ubuntu/dists/oneiric/main/source/S‌​ources 404 Not Found what should i write exactly in terminal ? –  hamed Mar 12 '12 at 12:26

1 Answer 1

up vote 1 down vote accepted

It's in ppa for precise. Either switch to precise when it goes stable April 26th or use the binary installer.

Wait for April 26th.
Use beta(but then you can't ask questions here...)

Use the binary installer for your architecture from here. The procedure is documented here which is the page you get when you click Offline installer on the previous.

"On Linux/Unix, you need to make the file executable in order to run it. You can either do this with your desktop's file manager or, at the command line, type:"

chmod u+x Qt_SDK_Lin64_offline_v1_2_en.run

You should now be able to execute the file as normal. You can do this from the command line by typing:

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