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+Document Information
+====================
+
+Name of the Document: Drupal 6 to Drupal 7 upgradation process
+
+Date: 7/04/2015
+
+Author: Priyanka Bhagwat and Prashant Sinalakar
+
+----------------------------------------------------------------------------------------------------------------------------
+**Process to upgrade from drupal 6 to drupal 7**
+-----------------------------
+**step 1:**
+
+**take a backup of your drupal site and database**
+-----------------------------
+**step 2:**
+
+
+**Login as superuser/first user and disable all custom modules and
+custom theme of drupal 6 site.**
+-----------------------------
+**step 3:**
+
+	1) **Install drush into your system**
+
+	sudo apt-get install drush
+
+	2) **Download latest version of drupal**
+
+	drush dl drupal-7
+
+	3) **Connect your existing drupal 6 database with new drupal 7** (make
+	       changes in setting.php of drupal 7 to connect with old database)
+
+	4) **Go to project directory then run**
+
+	drush updb
+
+	5) **Login in to drupal 7 as first user**
+
+	6) **move all old site data to new drupal 7 expect theme**
+
+	7) **remove modulename\_bck modules**
+
+	8) **update all modules using**
+
+	drush dl -y acl references author\_pane ckeditor votingapi views ctools
+	references xmlsitemap webform advanced\_forum captcha cck ckeditor
+	comment\_notify email\_verify extlink feedback fivestar formblock
+	google\_analytics jquery\_ui jquery\_update link linkchecker masquerade
+	mimemail nice\_menus notify recaptcha spambot views
+
+	drush dl -y views date easy\_social captcha cck email\_verify sharethis
+	socila\_share wysiwyg google\_analytics jquery\_ui link masquerade
+	recaptcha
+
+	9) enable all necessary modules
+
+	drush en module\_name
+
+	drush updb
+
+	if any error in webform take out webform form modules then,
+
+	**drush updb**
+
+	**drush command to update all modules without updating the core.**
+
+	drush upc --no-core
+
+-----------------------------
+**step 4:**
+
+	1) drush dl drupal-7
+
+	2) make settings.php
+
+	3) connect with old db
+
+	then, go to project dir run
+
+	4) # references, link
+
+	5) drush updb
+-----------------------------
+
+**step 5:**
+
+	1) login to first user
+
+	2) mv all old sites data to new d7 except theme
+
+	3) remove modulename\_bck modules
+
+	them update all modules using
+
+	drush dl -y acl references author\_pane ckeditor votingapi views ctools
+	references xmlsitemap webform advanced\_forum captcha cck ckeditor
+	comment\_notify email\_verify extlink feedback fivestar formblock
+	google\_analytics jquery\_ui jquery\_update link linkchecker masquerade
+	mimemail nice\_menus notify recaptcha spambot views
+
+	## acl references views ctools references webform cck link views
+
+	4) enable all necessary moduls
+
+	5) drush updb
+
+	if any error in webform take out webform form modules then,
+
+	drush updb
+
+	node\_access => references
+
+-----------------------------
+**step 6:**
+	Only for SCILAB Website
+	Scilink Query
+
+	content type => Documentation Page
+
+	select \* from content\_field\_link where nid in (SELECT nid FROM
+	\`content\_type\_link\` where \`field\_parent\_page\_nid\`=118)
+-----------------------------
+**Important**
+
+	1) **changed query structure..**
+
+	2) **theme\_table must be replaced to ‘theme(“”, “”, array =()) **
+-----------------------------
+***Error and solution :***
+
+	**If you get error like following: **
+
+	**“Undefined index: distribution\_name in
+	drupal\_install\_profile\_distribution\_name() (line 207 of
+	/var/www/html/drupal-7.37/includes/install.inc “**
+
+	**Then run following query in database**
+
+	`***UPDATE*** <http://dev.mysql.com/doc/refman/5.5/en/update.html>`__
+	`***system*** <http://localhost/adminer/adminer.php?username=root&db=anuduino_os_hardware_in&table=system>`__
+	**`*SET* <http://dev.mysql.com/doc/refman/5.5/en/string-type-overview.html>`__
+	status=1 WHERE name='standard';**
+
+	**This will resolve profile error**
+
+	**While going for changing query of theme**
+
+	theme('table', array('header' => $pending\_header, 'rows' =>
+	$pending\_rows ));
+
+	solve error of mail sending: email.inc change following line
+
+	change
+
+	**$language-language** replace with **array('language' =>
+	$language->language)**
+
+	**$message['body'] = t('…...’);** replace with **$message['body'] =
+	array('body' => t('…….));**
+
+	**Error:** *Notice*: Undefined index: distribution\_name in
+	*drupal\_install\_profile\_distribution\_name()* (line *207* of
+	*/var/www/html/cfd\_fossee\_in\_7/includes/install.inc*).
+
+	FIX this:
+
+	UPDATE \`drupal\`.\`system\` SET \`status\` = '1' WHERE
+	\`system\`.\`filename\` = 'profiles/standard/standard.profile';