部署 [已解决，服务器内存不足] 在服务器端 gem 'nokogiri'安装不上，本地测试很正常
服务器上跑了 bundle，结果出错，上图
sudo apt-get install libxslt-dev libxml2-dev
libxslt-dev libxml2-dev 也已经安装了。网上搜索 说是没有这两个库。但是安装了还是报错。
gem install nokogiri -v '1.6.1'
Building native extensions. This could take a while...
ERROR: Error installing nokogiri:
ERROR: Failed to build gem native extension.
/usr/local/rvm/rubies/ruby-2.0.0-p451/bin/ruby extconf.rb
Cannot allocate memory - /usr/local/rvm/rubies/ruby-2.0.0-p451/bin/ruby extconf.rb 2>&1
Gem files will remain installed in /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/nokogiri-1.6.1 for inspection.
Results logged to /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/extensions/x86_64-linux/2.0.0/nokogiri-1.6.1/gem_make.out
