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Our Cyberinfrastructure

HUBzero logo Our web site is powered by the HUBzero® Platform for Scientific Collaboration originally developed at Purdue University. HUBzero was specifically designed to help a scientific community share resources and work together with one another. Users can upload their own content--including tutorials, courses, publications, and animations--and share them with the rest of the community. But each hub is more than just a repository of information. It is a place where researchers and educators can collaborate in private spaces to build simulation/modeling tools, gather datasets, and share them online. Users can launch computations and view results with an ordinary web browser--without having to download, compile, or install any code. The tools they access are not just web forms, but powerful graphical tools that support visualization and comparison of results.

How Does a Hub Differ From a Web Site?

At its core, a hub is a web site built with many familiar open source packages--the Linux operating system, an Apache web server, a MySQL database, PHP web scripting, and the Joomla content management system. The HUBzero software builds upon that infrastructure to create an environment in which researchers, educators, and students can access simulation tools and share information. Specifically, we define a "hub" as a web-based collaboration environment with the following features:

  • Interactive simulation tools, hosted on the hub cluster and delivered to your browser
  • Simulation tool development area, including source code control and bug tracking
  • Videos and other supporting media for classes, tutorials, and documentation
  • Groups and projects for private collaboration
  • Mechanism for uploading and sharing resources
  • 5-star ratings and user feedback for resources
  • User support area, with question-and-answer forum
  • Statistics about users and usage patterns

You can use this software to start a hub for your own scientific community. Join others in the HUBzero Foundation and help to develop the platform. Visit HUBzero.org to learn more.

Debug Console

Close17 MBRequestSessionTimelineDatabase39
$_GET
Array( ) Array(

)
$_POST
Array( ) Array(

)
$_COOKIE
Array( ) Array(

)
$_SERVER
Array( REDIRECT_SCRIPT_URL => /aboutus/hubzero, REDIRECT_SCRIPT_URI => http://chemistryhub.or... Array(
REDIRECT_SCRIPT_URL => /aboutus/hubzero,
REDIRECT_SCRIPT_URI => http://chemistryhub.org/aboutus/hubzero,
REDIRECT_nokeepalive => ,
REDIRECT_STATUS => 200,
SCRIPT_URL => /aboutus/hubzero,
SCRIPT_URI => http://chemistryhub.org/aboutus/hubzero,
nokeepalive => ,
HTTP_HOST => chemistryhub.org,
HTTP_ACCEPT_ENCODING => x-gzip, gzip, deflate,
HTTP_USER_AGENT => CCBot/2.0 (http://commoncrawl.org/faq/),
HTTP_ACCEPT => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8,
HTTP_IF_MODIFIED_SINCE => Thu, 27 Jul 2017 18:47:14 GMT,
PATH => /sbin:/usr/sbin:/bin:/usr/bin,
SERVER_SIGNATURE => ,
SERVER_SOFTWARE => Apache/2.2.15 (CentOS),
SERVER_NAME => chemistryhub.org,
SERVER_ADDR => 206.221.159.27,
SERVER_PORT => 80,
REMOTE_ADDR => 54.224.210.130,
DOCUMENT_ROOT => /var/www/chemistryhub,
SERVER_ADMIN => root@localhost,
SCRIPT_FILENAME => /var/www/chemistryhub/index.php,
REMOTE_PORT => 51894,
REDIRECT_URL => /aboutus/hubzero,
GATEWAY_INTERFACE => CGI/1.1,
SERVER_PROTOCOL => HTTP/1.0,
REQUEST_METHOD => GET,
QUERY_STRING => ,
REQUEST_URI => /aboutus/hubzero,
SCRIPT_NAME => /index.php,
PHP_SELF => /index.php,
REQUEST_TIME_FLOAT => 1505879403.638,
REQUEST_TIME => 1505879403
)
separator .
orderBy id
orderDir asc
1 registerIP
2 access
always
renew
tracker.sid 12a10ef17cc2477705e5b6b7a11223cf
tracker.ssid 12a10ef17cc2477705e5b6b7a11223cf
tracker.rsid 12a10ef17cc2477705e5b6b7a11223cf
securiy_code0 ffdf2
session.token 60bad7f76d1f9520aa644b531c4cb1ae
  • site 0.046 seconds (+0.046); 9.75 MB (+9.750) - afterInitialise
  • site 0.067 seconds (+0.021); 11.50 MB (+1.750) - afterRoute
  • site 0.104 seconds (+0.037); 14.25 MB (+2.750) - afterDispatch
  • site 0.113 seconds (+0.009); 14.50 MB (+0.250) - beforeRenderModule mod_custom (Hub Footer)
  • site 0.114 seconds (+0.002); 14.50 MB (0.000) - afterRenderModule mod_custom (Hub Footer)
  • site 0.115 seconds (+0.000); 14.75 MB (+0.250) - beforeRenderModule mod_collect (Collect)
  • site 0.116 seconds (+0.001); 14.75 MB (0.000) - afterRenderModule mod_collect (Collect)
  • site 0.116 seconds (+0.000); 14.75 MB (0.000) - beforeRenderModule mod_menu (About)
  • site 0.120 seconds (+0.004); 14.75 MB (0.000) - afterRenderModule mod_menu (About)
  • site 0.120 seconds (+0.000); 14.75 MB (0.000) - beforeRenderModule mod_breadcrumbs (Breadcrumbs)
  • site 0.122 seconds (+0.002); 14.75 MB (0.000) - afterRenderModule mod_breadcrumbs (Breadcrumbs)
  • site 0.123 seconds (+0.000); 14.75 MB (0.000) - beforeRenderModule mod_menu (Main Menu)
  • site 0.148 seconds (+0.025); 15.50 MB (+0.750) - afterRenderModule mod_menu (Main Menu)
  • site 0.148 seconds (+0.000); 15.50 MB (0.000) - beforeRenderModule mod_search (Search)
  • site 0.150 seconds (+0.001); 15.50 MB (0.000) - afterRenderModule mod_search (Search)
  • site 0.150 seconds (+0.000); 15.50 MB (0.000) - beforeRenderModule mod_reportproblems (Trouble Report)
  • site 0.165 seconds (+0.015); 16.75 MB (+1.250) - afterRenderModule mod_reportproblems (Trouble Report)
  • site 0.167 seconds (+0.003); 16.75 MB (0.000) - onAfterRender
  • site 0.169 seconds (+0.002); 16.75 MB (0.000) - sessionStore
17 MB

39 Queries Logged: 0.012282609939575 seconds

  1. SELECT `data`
      FROM `jos_session`
      WHERE `session_id` = '3ff3e82a69a3c8927661bc5bbb9e1bbb'
  2. DELETE
      FROM `jos_session`
      WHERE `session_id` = '3ff3e82a69a3c8927661bc5bbb9e1bbb'
  3. SELECT `data`
      FROM `jos_session`
      WHERE `session_id` = '12a10ef17cc2477705e5b6b7a11223cf'
  4. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_languages'
  5. SELECT `session_id`
      FROM `jos_session`
      WHERE `session_id` = '12a10ef17cc2477705e5b6b7a11223cf'
  6. INSERT INTO `jos_session` (`session_id`, `client_id`, `time`, `ip`)
      VALUES ('12a10ef17cc2477705e5b6b7a11223cf', 0, '1505879403', '54.224.210.130')
  7. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_members'
  8. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_users'
  9. SELECT b.id
      FROM jos_usergroups AS a
      LEFT JOIN jos_usergroups AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
      WHERE a.id = 1
  10. SELECT id, rules
      FROM `jos_viewlevels`
  11. SELECT folder AS type, element AS name, protected, params
      FROM jos_extensions
      WHERE enabled >= 1
      AND type ='plugin'
      AND state >= 0
      AND access IN (1,1,4)
      ORDER BY ordering
  12. SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component
      FROM jos_menu AS m
      LEFT JOIN jos_extensions AS e
      ON m.component_id = e.extension_id
      WHERE m.published = 1
      AND m.parent_id > 0
      AND m.client_id = 0
      ORDER BY m.lft
  13. SELECT jos_template_styles.id,jos_template_styles.home,jos_template_styles.template,jos_template_styles.params,jos_extensions.protected
      FROM `jos_template_styles`
      INNER JOIN jos_extensions
      ON jos_extensions.element = jos_template_styles.template
      WHERE `jos_template_styles`.`client_id` = '0'
      AND `jos_extensions`.`enabled` = '1'
      AND `jos_extensions`.`type` = 'template'
      AND jos_extensions.`client_id` = `jos_template_styles`.`client_id`
      ORDER BY `home` DESC
  14. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_content'
  15. SELECT *
      FROM jos_languages
      WHERE published=1
      ORDER BY ordering ASC
  16. SELECT a.rules
      FROM jos_assets AS a
      WHERE (a.id = 1)
      GROUP BY a.id, a.rules, a.lft
  17. SELECT b.rules
      FROM jos_assets AS a
      LEFT JOIN jos_assets AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
      WHERE (a.name = 'com_content')
      GROUP BY b.id, b.rules, b.lft
      ORDER BY b.lft
  18. SELECT b.id
      FROM jos_usergroups AS a
      LEFT JOIN jos_usergroups AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
      WHERE a.id = 1
  19. SELECT a.id, a.asset_id, a.title, a.alias, a.title_alias, a.introtext, a.fulltext,
      CASE WHEN badcats.id is null THEN a.state ELSE 0 END AS state, a.mask, a.catid, a.created, a.created_by, a.created_by_alias,
      CASE WHEN a.modified = 0 THEN a.created ELSE a.modified END as modified, a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, a.images, a.urls, a.attribs, a.version, a.parentid, a.ordering, a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference,c.title AS category_title, c.alias AS category_alias, c.access AS category_access,u.name AS author,(0) as contactid,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count
      FROM jos_content AS a
      LEFT JOIN jos_categories AS c
      on c.id = a.catid
      LEFT JOIN jos_users AS u
      on u.id = a.created_by
      LEFT JOIN jos_categories as parent
      ON parent.id = c.parent_id
      LEFT JOIN jos_content_rating AS v
      ON a.id = v.content_id
      LEFT
      OUTER JOIN (SELECT cat.id as id
      FROM jos_categories AS cat JOIN jos_categories AS parent
      ON cat.lft BETWEEN parent.lft
      AND parent.rgt
      WHERE parent.extension = 'com_content'
      AND parent.published <= 0
      GROUP BY cat.id) AS badcats
      ON badcats.id = c.id
      WHERE a.id = 2
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2017-09-20 03:50:03')
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2017-09-20 03:50:03')
      AND (a.state = 1 OR a.state =2)
  20. SELECT c.*,
      CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug
      FROM jos_categories as c
      LEFT JOIN jos_categories AS s
      ON (s.lft <= c.lft
      AND s.rgt >= c.rgt) OR (s.lft > c.lft
      AND s.rgt < c.rgt)
      LEFT JOIN (SELECT cat.id as id
      FROM jos_categories AS cat JOIN jos_categories AS parent
      ON cat.lft BETWEEN parent.lft
      AND parent.rgt
      WHERE parent.extension = 'com_content'
      AND parent.published != 1
      GROUP BY cat.id) AS badcats
      ON badcats.id = c.id
      WHERE (c.extension='com_content' OR c.extension='system')
      AND c.access IN (1,1,4)
      AND c.published = 1
      AND s.id=8
      AND badcats.id is null
      GROUP BY c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time, c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level, c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id, c.path, c.published, c.rgt, c.title, c.modified_user_id
      ORDER BY c.lft
  21. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_search'
  22. SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid, e.protected
      FROM jos_modules AS m
      LEFT JOIN jos_modules_menu AS mm
      ON mm.moduleid = m.id
      LEFT JOIN jos_extensions AS e
      ON e.element = m.module
      AND e.client_id = m.client_id
      WHERE m.published = 1
      AND e.enabled = 1
      AND (m.publish_up = '0000-00-00 00:00:00' OR m.publish_up <= '2017-09-20 03:50:03')
      AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2017-09-20 03:50:03')
      AND m.access IN (1,1,4)
      AND m.client_id = 0
      AND (mm.menuid = 17 OR mm.menuid <= 0)
      ORDER BY m.position, m.ordering
  23. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_support'
  24. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_courses'
  25. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_collections'
  26. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_blog'
  27. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_resources'
  28. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_tags'
  29. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_citations'
  30. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_events'
  31. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_store'
  32. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_forum'
  33. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_groups'
  34. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_projects'
  35. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_answers'
  36. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_newsletter'
  37. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_kb'
  38. SELECT extension_id AS id, element AS "option", params, enabled
      FROM jos_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_wishlist'
  39. UPDATE `jos_session`
      SET `data` = '__default|a:11:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1505879403;s:18:\"session.timer.last\";i:1505879403;s:17:\"session.timer.now\";i:1505879403;s:8:\"registry\";O:23:\"Hubzero\\Config\\Registry\":2:{s:7:\"\0*\0data\";O:8:\"stdClass\":1:{s:1:\"0\";s:7:\"session\";}s:9:\"separator\";s:1:\".\";}s:4:\"user\";C:17:\"Hubzero\\User\\User\":22:{a:1:{s:5:\"guest\";b:1;}}s:11:\"tracker.sid\";s:32:\"12a10ef17cc2477705e5b6b7a11223cf\";s:12:\"tracker.ssid\";s:32:\"12a10ef17cc2477705e5b6b7a11223cf\";s:12:\"tracker.rsid\";s:32:\"12a10ef17cc2477705e5b6b7a11223cf\";s:13:\"securiy_code0\";s:5:\"ffdf2\";s:13:\"session.token\";s:32:\"60bad7f76d1f9520aa644b531c4cb1ae\";}' , `time` = '1505879403' , `ip` = '54.224.210.130'
      WHERE `session_id` = '12a10ef17cc2477705e5b6b7a11223cf'