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TEXMFCACHE TEXMFOS TEXMFCONTEXT
* # Change to the location of `<tt>setuptex` </tt> (e.g., `<tt>/opt/context/tex/`</tt>).* # Create a new file called `<tt>texmfcnf.lua` </tt> (or `<tt>texmf.cnf`</tt>).* # Set only the required variables.
return { content = { variables = { TEXMFCACHE = "/var/cache/context/texmf-cache", },
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< [[Installation hints]]
This page describes how to apply and persist custom configuration settings for changing default directories. For the purposes of this wiki page, it is assumed that ConTeXt is installed at:
== Default Variables ==
The file `/opt/context/tex/texmf/web2c/texmfcnf.lua` contains a number of variables, including:
Do not change this file as upgrading ConTeXt overwrites these files. To customize <tt>texmf.cnf</tt>, change the variables as noted in the following section.
== Custom Variables ==
Modify a variable as follows:
For example, to change the cache directory, use:
},
}, }
Save the file.
The allowed locations for <tt>texmfcnf.lua </tt> are determined by the variable `TEXMFCNF being ` set in<tt>texk/kpathsea/texmf.cnf </tt> in the LuaTeX source code. Most options in <tt>texmf.cnf</tt> of modern TeX distributions also work with ConTeXt. == Security Concerns == ConTeXt requires enabling the `write18` function to run [[MetaPost]] and other tools. This implies that malicious TeX code can run any program with user rights. The function is *disabled* by default. This can be enabled by changing the setting inside <tt>texmf.cnf</tt>: shell_escape = t For MikTeX users, the counterpart to <tt>texmf.cnf</tt> was <tt>miktex.ini</tt>, now the config is [http://docs.miktex.org/2.9/manual/runtimeparams.html stored separately for each program] == File Priority == The <tt>texmf.cnf</tt> files are read in the following order: # /opt/context/bin/x86_64-linux/texmf.cnf# /opt/context/bin/texmf.cnf# /opt/context/texmf.cnf# /opt/context/texmf/web2c/texmf.cnf Variables set in luatex sourcesa particular file are *not* overwritten by files that are read later. The first configuration file listed is useful for system dependent configuration. Onmulti-platform installations you could create a file <tt>/opt/context/bin/win32/texmf.cnf</tt> on the server that contains: OSFONTDIR = $SystemRoot/Fonts and this only affects Windows clients, even if the third file contains the line: OSFONTDIR = /usr/share/fonts/ [[Category:Installation]]
