mnoGoSearch 3.2.33 reference manual: Full-featured search engine software
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# Frequently Asked Questions

- How can I contribute to the project?

  There are several ways you can help. Please visit Help Us page on mnoGoSearch website.

- If I have pages with no keywords in the META description, will the document get indexed?

  Yes. By default mnoGoSearch does index whole document. By changing the default values you can give different weights to different parts of the document: body, title, keywords, description.

- When searching words in Spanish (accentuated characters) with `search.cgi` I get results like the following: If I search for Espaņa, `search.cgi` breaks the word in two parts, searching for Espa and also for a, ignoring ņ.

  Set local charset to ISO-8859-1 in both `indexer.conf` and `search.htm`.

- I'm wondering if mnoGoSearch supports multi-byte char code sets. I'm especially interested in EUC-JP.

  3.1.x branch doesn't support multi-byte charsets. Multi-byte is supported in 3.2.x branch.

- Why does the indexer fail with a message like indexer: can't load library 'libmysqlclient.so.6'?

  You probably don't have MySQL libraries properly installed. On Linux, just find out where your `libmysqlclient.so.6` is and enter the path to that file into `/etc/ld.so.conf`. Then run ldconfig as root.

  You can as well set up the value of the environment variable LD_LIBRARY_PATH with the path to the required dynamic libraries. This works on any OS.

  Note that this is a general UNIX configuration issue, not only mnoGoSearch specific.

- What is the maximum size of server(s) mnoGoSearch can run with?

  Blob storage mode, introduced in 3.2.8, is able to index and search through several millions documents.

- I want to index multiple virtual domains on a single box. What settings do I need to change for that?

  It is fully supported. No additional settings are required.

- Is it possible to use different templates for searches, i.e. view search results in the design of different sites without having to recompile `search.cgi`?

  There are actually several ways to do it. They are given here in the order how `search.cgi` detects template name.

  1. `search.cgi` checks environment variable UDMSEARCH_TEMPLATE. Thus you can enter the path to the desired search template into this variable.

  2. `search.cgi` also supports Apache internal redirect. It checks REDIRECT_STATUS and REDIRECT_URL environment variables. To activate this template option you may add these lines to Apache `srm.conf`:

                        AddType text/html .zhtml
                        AddHandler zhtml .zhtml
                        Action zhtml /cgi-bin/search.cgi

     Put `search.cgi` into your `/cgi-bin/` directory. Then put the HTML template into your site directory structure under any name with .zhtml extension, for example `template.zhtml`. Now you may open the search page: http://www.site.com/path/to/template.zhtml. Of course you may use any available extension instead of .zhtml.

  3. If the above two methods fail, `search.cgi` will open a template, which has the same name than the script being executed, using SCRIPT_NAME environment variable. `search.cgi` will open a template `ETC/search.htm`, `search1.cgi` will open `ETC/search1.htm` and so on, where ETC is mnoGoSearch /etc directory (usually /usr/local/mnogosearch/etc). So, you can use the same search.cgi with different templates without having to recompile it. Just create one or several hard or symbolic links for search.cgi or copy it under different names then put correspondent search templates into /etc directory of mnoGoSearch installation.

- Indexer doesn't store some links in the database although they are expected to be stored. Indexer doesn't grab all the links from my web site, as a result only half the site is indexed.

  There are two possible reasons:

  1. Indexer doesn't find the links on the page. This is probably a bug in the HTML parser in this case.

  2. Indexer does find the links, but rejects them. This means that `indexer.conf` configuration doesn't allow these links (or again, probably a bug in `indexer.conf` related code).

  For instance a page http://localhost/links.html contains such ignored links.

  To discover the reason, start indexer with these command line arguments:

  `indexer -am -u http://localhost/links.html`

  That will display various debug information, including:

  - every link found on this page

  - information why indexer rejects the link found or accepts it

  With this information provided, it is easy to detect what is the reason of unexpected indexer behavior: either 1 or 2. When you know the reason, either reconfigure indexer.conf and check again, or feel free to report it as a bug when you're sure that everything is OK in your indexer.conf.

  When reporting such bugs, please always include indexer -am -u http://localhost/links.html output, as well as Server/Realm Allow/Disallow commands from your `indexer.conf`

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