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Body h3. Database user name In older versions of Rails you might have used a configuration like this in your database.yml: <pre><code> production: adapter: mysql database: myapp_production user: myapp_productionn password: sekrit host: localhost </code></pre> In newer versions, be sure to use "username" or you're likely to see errors when 'root' tries to log in to mysql. h3. Nokogiri You may run into problems trying to install the nokogiri gem. The error might look like this: <pre><code> make gcc -fPIC -O0 -g -march=i386 -mcpu=i686 -Wall -fPIC -g -DXP_UNIX -O3 -Wall -Wcast-qual -Wwrite-strings -Wconversion -Wmissing-noreturn -Winline -I. -I/usr/lib/ruby/1.8/i386-linux -I/usr/lib/ruby/1.8/i386-linux -I. -c html_document.c In file included from ./html_document.h:4, from html_document.c:1: ./native.h:7:27: libxml/parser.h: No such file or directory ./native.h:8:26: libxml/xpath.h: No such file or directory ./native.h:9:35: libxml/xpathInternals.h: No such file or directory ./native.h:10:30: libxml/xmlreader.h: No such file or directory ./native.h:11:31: libxml/HTMLparser.h: No such file or directory ./native.h:12:29: libxml/HTMLtree.h: No such file or directory In file included from ./native.h:15, # many more below </code></pre> Use the steps below to get it to compile. <pre><code> yum install -y libxml2 libxml2-devel sudo ln -s /usr/include/libxml2/libxml /usr/include/libxml ldconfig gem install nokogiri </code></pre>
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