Manually install LaTeX packages in Ubuntu

The following four steps permit manual installation of packages on Debian/Ubuntu (and presumably other Linux) systems. If you have the sty file already, skip steps 1 and 2.

• Download the package from CTAN (e.g., footmisc.zip).
• Extract the files and place them in an appropriate directory (e.g. /usr/local/share/texmf/tex/latex/footmisc/). This location is preferable to the main installation tree (/usr/share/texmf-texlive/tex/latex/) as the files are more likely to be preserved during upgrades.
• Generate the .sty file by running latex on the appropriate source files (e.g., $ latex footmisc.ins and $ latex footmisc.dtx).
• Update the ls-R file in this source tree:

  $ cd /usr/local/share/texmf/
  $ sudo mktexlsr
  

Because /usr/local/share/texmf/tex/ is not searched recursively by kpathsea (cf. kpsepath tex), the ls -R file at the root directory of this search path must be updated to make the system aware of the new package.

Souce](http://tex.stackexchange.com/questions/38978/how-can-i-manually-install-a-latex-package-debian-ubuntu-linux)

Adding LaTex .sty files into the LaTeX Texlive installation in Ubuntu

$ sudo cp <package>.sty  /usr/share/texmf-texlive/tex/latex/base/
$ sudo mktexlsr

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