If you maintain multiple WordPress blogs, you have probably been frustrated by how tedious it is to update plug-ins and themes on each blog every time there is an update. By following my detailed step-by-step instructions, you can harness the power of Linux’s symbolic links (symlinks) to setup one central shared repository of plug-ins and another for themes. All your WordPress installations can then be pointed to the one repository, and updates become much easier. Suggestions for how to fix common implementation problems are also included. Plug-in authors may be interested in learning more about this technique, since it can break some plug-ins that use hard coded pathnames.

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