尝试在 OS X 10.8 上安装 RoR。Mac 和 RoR 的新手！
遵循这里的指示：
http://www.justinball.com/2012/10/22/install-rvm-on-mac-osx-mountain-lion/
已安装 XCode、命令行工具、XQuartz、Homebrew、gcc、最新 RVM，已执行
“rvm pkg install openssl”，最后是“rvm install 1.9.3”
在此过程中出现了一些错误消息，我稍后会提供。
但是，根据以下情况，安装似乎成功：
$ 类型 rvm | 头-n1
rvm 是一个函数
$导轨-v
导轨 3.2.8
红宝石--版本
ruby 1.9.3p286（2012-10-12 修订版 37165）[x86_64-darwin12.2.0]
安装过程中的错误/警告包括：
警告：无法在 mxcl/master/vim 上点击 homebrew/dupes/vim
获取 ruby 解释器时出错。停止安装。
创建了一个名为“agile”的新目录，更改为该目录并执行：
“轨道新演示”
在输出的第一行得到“`mkdir': Permission denied”
然后尝试“sudo rails new demo”
在输出的第一行得到“Could not find Rake”
（本文末尾提供了完整输出。）
尝试了各种方法来查看 rake、rails、ruby 或 rvm 是否有问题，但似乎一切都恢复正常了。
Michaels-MacBook-Pro:敏捷 mh$ rake --version
耙子，版本 0.9.2.2
Michaels-MacBook-Pro：敏捷 mh$ whereis rake
/usr/bin/rake
Michaels-MacBook-Pro:agile mh$ which rake
/Users/mh/.rvm/gems/ruby-1.9.3-p286@global/bin/rake
Michaels-MacBook-Pro：敏捷 mh$ 哪个 gem
/Users/mh/.rvm/rubies/ruby-1.9.3-p286/bin/gem
Michaels-MacBook-Pro：敏捷 mh$ rvm 信息
红宝石-1.9.3-p286：
系统：
uname: "Darwin Michaels-MacBook-Pro.local 12.2.0 Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64 x86_64"
系统：“下载”
bash: "/bin/bash => GNU bash，版本 3.2.48(1)-release (x86_64-apple-darwin12)"
zsh: "/bin/zsh => zsh 4.3.11 (i386-apple-darwin12.0)"
转速：
版本：“ rvm 1.16.17 () by Wayne E. Seguin，Michal Papis [https://rvm.io/]”
更新：“7 小时 52 分 30 秒前”
红宝石：
翻译：“红宝石”
版本：“1.9.3p286”
日期：“2012-10-12”
平台：“x86_64-darwin12.2.0”
补丁级别：“2012-10-12 修订版 37165”
full_version：“ruby 1.9.3p286（2012-10-12 修订版 37165）[x86_64-darwin12.2.0]”
家园：
宝石：“/Users/mh/.rvm/gems/ruby-1.9.3-p286”
红宝石：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286”
二进制文件：
红宝石：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286/bin/ruby”
irb：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286/bin/irb”
宝石：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286/bin/gem”
耙子：“/Users/mh/.rvm/gems/ruby-1.9.3-p286@global/bin/rake”
环境：
路径：“/Users/mh/.rvm/gems/ruby-1.9.3-p286/bin:/Users/mh/.rvm/gems/ruby-1.9.3-p286@global/bin:/Users/mh/ .rvm/rubies/ruby-1.9.3-p286/bin:/Users/mh/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt /X11/bin:/usr/local/git/bin"
GEM_HOME：“/Users/mh/.rvm/gems/ruby-1.9.3-p286”
GEM_PATH: "/Users/mh/.rvm/gems/ruby-1.9.3-p286:/Users/mh/.rvm/gems/ruby-1.9.3-p286@global"
MY_RUBY_HOME：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286”
IRBRC：“/Users/mh/.rvm/rubies/ruby-1.9.3-p286/.irbrc”
红宝石：“”
宝石：“”
Michaels-MacBook-Pro：敏捷 mh$ 类型 rvm | 头-n1
rvm 是一个函数
==================================================== ==================
Michaels-MacBook-Pro:agile mh$ rails new demo
创造
/Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:247:in `mkdir': 权限被拒绝 - /Users/mh/agile/demo (Errno ::EACCES）
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:247:in `fu_mkdir'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:221:in `block (2 levels) in mkdir_p'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:219:in `reverse_each'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:219:in `block in mkdir_p'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:205:in `each'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/fileutils.rb:205:in `mkdir_p'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions/empty_directory.rb:51:in `block in invoke!'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions/empty_directory.rb:133:in `call'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions/empty_directory.rb:133:in `invoke_with_conflict_check'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions/empty_directory.rb:50:in `invoke!'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions.rb:95:in `action'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/actions/empty_directory.rb:15:in `empty_directory'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/railties-3.2.8/lib/rails/generators/app_base.rb:103:in `create_root'
来自 (eval):1:in `create_root'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/task.rb:27:in `run'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/invocation.rb:120:in `invoke_task'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/invocation.rb:126:in `block in invoke_all'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/invocation.rb:126:in `each'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/invocation.rb:126:in `map'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/invocation.rb:126:in `invoke_all'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/group.rb:238:in `dispatch'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/thor-0.16.0/lib/thor/base.rb:425:in `start'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/railties-3.2.8/lib/rails/commands/application.rb:38:in `'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/railties-3.2.8/lib/rails/cli.rb:15:in `'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/gems/railties-3.2.8/bin/rails:7:in `'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/rails:19:in `load'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/rails:19:in `'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/ruby_noexec_wrapper:14:in `eval'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/ruby_noexec_wrapper:14:in `'
Michaels-MacBook-Pro:agile mh$ sudo rails 新演示
/Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': 找不到 rake (>= 0.8. 7) 在 [actionmailer-3.2.8、actionpack-3.2.8、activemodel-3.2.8、activerecord-3.2.8、activeresource-3.2.8、activesupport-3.2.8、arel-3.0.2、builder-3.0 中。 4、erubis-2.7.0、hiking-1.2.1、i18n-0.6.1、journey-1.0.4、json-1.7.5、mail-2.4.4、mime-types-1.19、multi_json-1.3.6、 polyglot-0.3.3, rack-1.4.1, rack-cache-1.2, rack-ssl-1.3.2, rack-test-0.6.2, rails-3.2.8, railties-3.2.8, rdoc-3.12, sprockets-2.1.3、thor-0.16.0、tilt-1.3.3、treetop-1.4.12、tzinfo-0.3.34] (Gem::LoadError)
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:777:in `block in activate_dependencies'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:766:in `each'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:766:in `activate_dependencies'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:750:in `activate'
来自 /Users/mh/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/rubygems.rb:1232:in `gem'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/rails:18:in `'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/ruby_noexec_wrapper:14:in `eval'
来自 /Users/mh/.rvm/gems/ruby-1.9.3-p286/bin/ruby_noexec_wrapper:14:in `'
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