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I'm using Ubuntu 12.04 and installed the Ubuntu package 'texlive-fonts-extra' to be able to use the Libertine font. Everything is working fine except the sans-serif (Linux Biolinum) italic font. I get the following warnings:

LaTeX Font Warning: Font shape `T1/fxb/m/sl' undefined

LaTeX Font Warning: Font shape `T1/fxb/m/it' undefined

LaTeX Font Warning: Some font shapes were not available, defaults substituted.

I've found several suggestions, but none of them helped.

First of all this Q&A suggests to update the Libertine font to version 5.1.3. Well the package ttf-linux-libertine is of version 5.1.3, but I doubt that this package is used by LaTeX. I couldn't figure out which version is used by LaTeX or how to upgrade the font.

This mail suggests to use


Unfortunately this does not help either.

Minimal example:



    \textsf{Lorem }


Compare the output with and without Libertine package: With Libertine, italic broken Without Libertine using default font, italic working

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Have you considered using libertineotf (with XeTeX or LuaTeX)? – ℝaphink Oct 10 '12 at 9:42
Thanks! This might be a work-a-round. But it seems as if I didn't manage yet to install the OTF font correctly. I get an error Requested font "LinLibertine_R" at 10.0pt ! Font \zf@basefont=LinLibertine_R at 10.0pt not loadable: Metric (TFM) file or installed font not found. – lumbric Oct 10 '12 at 10:15

Well, as suggested in many anweres and posts you should seriously consider to upgrade to a recent version of texlive. Ubuntu 12.04 is still shipped with Texlive 2009. Upgrading to 2012 solved all problems I described in my Question above.

I used this PPA: ppa:texlive-backports/ppa

Afterwards just update all packages (this means to download like ~1GB of package data and it takes also some while to process all the necessary changes).

Only problem: now I am suffering from this bug.

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