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27.

User settings

28.

**Users can choose page themes**: If this setting is enabled, users can select a theme for their portfolio page. The page is displayed with this theme to other users. Thus, the institution or site theme can be overwritten.

29.

**Display remote avatars**: If checked, users' default profile pictures will be their `Gravatar <http://gravatar.com>`_ pictures (:ref:`remote avatar <remote_avatar>`). Users will need an account with Gravatar for this to work.

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:index:`If you use your own avatar server <single: config.php; remoteavatarbaseurl>` to provide profile pictures for your users, you can use that instead of Gravatar for the default profile pictures. In order to do so, you need to add ``$cfg->remoteavatarbaseurl = 'http://example.com/avatar/';`` (with the correct URL to your service) to your config.php.

31.

**Users can hide real names**: If checked, users who have set a :ref:`display name <about_me>` may choose to be searchable only by their display name and will not be found in searches by their real name. In the administration section of the site, users are always searchable by their real names. An administrator (site and institution) always sees the display name, first and last name and username.

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**Search usernames**: If checked, usernames can be searched on as part of "Search users" on the :ref:`Dashboard <dashboard>` and via :ref:`Find friends <find_friends>`.

33.

|new in Mahara 1.8| **Show users in public search**: If checked, :index:`usernames can appear in public search results <New in Mahara 1.8; Show users in public search>`. In addition, this feature needs to have the value ``$cfg->publicsearchallowed = true;`` set in your config.php file and requires a search plugin that allows public search, e.g. Elasticsearch.

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When you change this setting, you need to re-index the search index for the change to take effect.

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**Anonymous comments**: If checked, logged-out users / users without a login can leave comments on public pages or pages they can access via a secret URL.

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**Logged-in profile access**: If this option is unchecked, profile pages are initially viewable by all logged-in users, but the owner is allowed to restrict access to a smaller group if they wish. Enable this option if you want to make sure all users can see each others' profile pages. Profiles of institution members will always be visible to other members of the same institution.