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Andrew Case
Asked: 2011-08-17 21:38:21 +0800 CST

Firefox dynamic default preference configuration

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My users are all on NFS home directories and with hundreds of users all using Firefox it generates a bit of traffic reading/writing to the disk cache. As a result, I'd like to move the default Firefox disk cache over to a local file system just to reduce extraneous NFS traffic and lighten the load on my NFS server too.

I know I can set system wide default preferences in a file called my_firefox_path/defaults/pref/all.js of the following form:

pref("browser.cache.disk.parent_directory", string)

For testing I had it set to the following:

pref("browser.cache.disk.parent_directory", "/tmp/firefox/");

Unfortunately that doesn't work well as there are multiple users on each system. Is there a way to include a user and a profile in that preference file so that I can tweak this system wide and it will apply to all my users? Something like:

pref("browser.cache.disk.parent_directory", "/tmp/firefox/$USER/$PROFILE");

firefox

1 Answers

  1. You can try to create a symlink for old cache folder to the new place. The command will be like: 

    ln -s /tmp/firefox /path_to_cache_folder_on_share
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