
http://www.phpmyadmin.net/
You just need to run an SQL query on the links table.
e.g.
UPDATE xoopsprefix_linkstable set fieldname = 1 WHERE (optional where statement);
XOOPS 2.0.13.2
UPDATE xoopsprefix_linkstable set fieldname = 1 WHERE (optional where statement);
// variables
$bdd= "vo_users";
$host= "localhost";
$user= "hohcs_chfs";
$pass= "XXXXXX";