'''warning:''' <tt>shell_escape = t</tt> is a security issue when you're on a system with
many users; if you're running it on your own personal computer, it is safe to set this to true. (Thomas A. Schmitz)
== upgrade Latin Modern fonts ==
download and install the [http://www.ctan.org/tex-archive/fonts/lm/ lm] fonts. first delete the old files then copy the new ones.
newer contexts don't need the teTeX provided mappings so move them out of the way:
<code>
# rm -r /usr/local/share/texmf-local/fonts/map/dvip{s,dfm}/context
# texhash
</code>
== upgrade ConTeXt ==
</code>
== upgrade Latin Modern fonts ==
download and install the [http://www.ctan.org/tex-archive/fonts/lm/ lm] fonts. first delete the old files then copy the new ones.
newer contexts don't need the teTeX provided mappings so move them out of the way:
<code>
# rm -r /usr/local/share/texmf-local/fonts/map/dvip{s,dfm}/context
# texhash
</code>
== ruby scripts ==