keeping things simple (hopefully)
February 14, 2009
Filed under: Uncategorized — Jason @ 2:03 pm

Had some issues installing Nokogiri this morning on my slicehost account running Ubuntu (Hardy 8.04). Every time I tried installing the gem, I would get this :

sudo gem install nokogiri
Building native extensions.  This could take a while...
ERROR:  Error installing nokogiri:
	ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 extconf.rb install nokogiri
checking for #include

... no
need libxml
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:

Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/nokogiri-1.1.1 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/nokogiri-1.1.1/ext/nokogiri/gem_make.out


Not sure really, I did all of these, but it wasnt’ until the last one that the gem successfully installed.

sudo aptitude install libxml
sudo aptitude install libxml2
sudo aptitude install libxml-dev
sudo aptitude install libxml2-dev
sudo aptitude install libxslt
sudo aptitude install libxslt-dev

And that’s it. After that, the gem installed just fine.


  1. that worked perfectly. thanks, Jason.

    Comment by andy — June 22, 2009 @ 7:16 pm

  2. very helpful! many thanks!

    Comment by stenoc — October 19, 2009 @ 5:53 pm

  3. Hi Jason,

    Thanks very much for posting this. I just tried the last one on its own and this allowed the nokogiri gem to install correctly.

    sudo aptitude install libxslt-dev


    Comment by Declan McGrath — December 9, 2009 @ 10:01 am

  4. Thanks..
    Found this after an hour of googling. Works perfectly fine..

    Comment by Pravin — July 12, 2010 @ 9:54 am

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