I finally got this working. Here are the steps: 1. edited /etc/my.cnf and added ft_min_word_len=3 to [mysqld] section. 2. mysql --user=root --password=***** <wiki dbname>, then "repair table <wiki_dbname>.searchindex;" 3. edit LocalSettings.php and add $wgDBmysql4 = $wgEnablePersistentLC = true; 4. edit AdminSettings.php to fill in admin username and password. 5. run php maintenance/updateSearchIndex.php. 6. restart mysqld and httpd.Thanks for all the advice.

Shannon

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