Ruby on rails 无法使用DigitalOcean为ubuntu 14.04中的activeadmin分配内存

在使用Ubuntu14.04和DigitalOcean进行捆绑安装时，我遇到以下错误

Fetching source index from https://rubygems.org/
Fetching git://github.com/activeadmin/activeadmin.git
Retrying git clone 'git://github.com/activeadmin/activeadmin.git' "/home/sachin/.rvm/gems/ruby-2.1.1/cache/bundler/git/activeadmin-c24fcef949b2f1bbdf6b5a17650dcd86d73f2528" --bare --no-hardlinks --quiet due to error (2/3): Errno::ENOMEM Cannot allocate memory - git clone 'git://github.com/activeadmin/activeadmin.git' "/home/sachin/.rvm/gems/ruby-2.1.1/cache/bundler/git/activeadmin-c24fcef949b2f1bbdf6b5a17650dcd86d73f2528" --bare --no-hardlinks --quiet
Retrying git clone 'git://github.com/activeadmin/activeadmin.git' "/home/sachin/.rvm/gems/ruby-2.1.1/cache/bundler/git/activeadmin-c24fcef949b2f1bbdf6b5a17650dcd86d73f2528" --bare --no-hardlinks --quiet due to error (3/3): Errno::ENOMEM Cannot allocate memory - git clone 'git://github.com/activeadmin/activeadmin.git' "/home/sachin/.rvm/gems/ruby-2.1.1/cache/bundler/git/activeadmin-c24fcef949b2f1bbdf6b5a17650dcd86d73f2528" --bare --no-hardlinks --quiet
Unfortunately, a fatal error has occurred. Please see the Bundler
troubleshooting documentation at http://bit.ly/bundler-issues. Thanks!
/home/sachin/.rvm/gems/ruby-2.1.1@global/gems/bundler-1.7.12/lib/bundler/source/git/git_proxy.rb:114:in ``': Cannot allocate memory - git clone 'git://github.com/activeadmin/activeadmin.git' "/home/sachin/.rvm/gems/ruby-2.1.1/cache/bundler/git/activeadmin-c24fcef949b2f1bbdf6b5a17650dcd86d73f2528" --bare --no-hardlinks --quiet (Errno::ENOMEM)

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有人知道解决方案吗？

我找到了一个解决方案，我确实需要更多的内存来安装捆绑包。这就是为什么我创建了512MB内存的硬盘交换，它对我来说工作得很好

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您可以根据水滴上的多少内存创建交换？谢谢。我的液滴中有512MB。我已经用add-swap解决了这个问题。