System paths

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Note: You are currently viewing documentation for Moodle 3.1. Up-to-date documentation for the latest stable version of Moodle is probably available here: System paths.

An administrator can set the following system paths in Administration > Site administration > Server > System Paths.

Note: When setting the system paths on Windows systems, use of the 8.3 notation for the path and filename is preferred. So instead of entering c:\program files\path to aspell\aspell.exe, enter c:\progra~1\path~1\aspell.exe. Check the exact 8.3 path using the dir /x command at the prompt.

Path to du

This binary file was used in Moodle 1.x to quickly look up the size of data directories. It is possible that some add-ons still use this functionality.

Path to aspell

If PSpellSpell is selected as the spell engine for TinyMCE in Administration > Site administration > Plugins > Text editors > TinyMCE HTML editor then you must specify the correct path to access the aspell binary.

In addition, you MUST have aspell 0.50 or later installed on your server. On Unix/Linux systems use the which program to determine the path:

[root@moodle ~]# which aspell
/usr/bin/aspell

In this example the path to enter is /usr/bin/aspell.

On a Windows system, download and install GNU aspell together with at least one dictionary and then use the search facility in Explorer to find the aspell.exe file. The path should look like:

c:\program files\aspell\bin\aspell.exe

It can be best to install aspell in c:\aspell or use the 8.3 notation if you are installing in c:\program files so that the path looks like

c:\progra~1\aspell\bin\aspell.exe

Path to dot

Path to dot is for enabling image generation; eg, in profiling. The generated graphs are really useful to see what each request does. To have profiling visible (and working), the xhprof extension must be installed in PHP.

  • If you want to use the authoring tools for the Preg question type , you will need to install the Graphviz Graph Visualization Software and set the 'path to dot'.

preg pathtodot.png

  • In Windows the path to dot is likely C:\Program Files (x86)\Graphviz2.38\bin\dot.exe
  • To find the path to doc in a Mac, open a terminal window and type:
which dot
  • In Mac the path to dot is likely /opt/local/bin/dot
  • Type the path for your OS in 'Site administration / ▶︎ Server / ▶︎ System paths ' Path to dot

External links

See also