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As Ubuntu's TeXLive is quite old (version 2009), I always hear TeX people recommending installing the latest TeXLive directly from CTAN. (Yes, I need the same package mentioned in that question.) I did this, and installed TeXLive 2011.

Now some packages I need to install (e.g. gummi) depend on Ubuntu's TeXLive packages. How can I prevent Ubuntu's TeXLive packages from being installed since I already have a manually installed TeXLive?

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2 Answers

dpkg can ignore any conflicts and dependencyes.

dpkg -i --ignore-depends=package1,package2 targetpackage.deb

But I cant see solution for apt-get for now.

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From reading the man page, it seems to me that this option will only ignore packages that cannot be downloaded for some reason. So it will still install texlive unless I unplug the network cable (or even then if some texlive packages happen to have already been downloaded but not installed). –  Szabolcs Nov 6 '11 at 17:29
You're right. I'll update my answer. –  PocketSam Nov 8 '11 at 3:56
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PocketSam is correct, you cannot make apt do this; you need to mess around with dpkg directly.

You will need to manually download the gummi .deb file:

apt-get download gummi

Then, manually install the dependencies from gummi using apt-get, except for TeXLive.

Finally, you can use dpkg --ignore-depends to install gummi.

Beware that this is error-prone, and if you attempt to do an apt-get upgrade of gummi, it will probably pull in the old TeXLive.

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