blocks|key|1241688|text|如果您安装了多个ruby，只需删除其中一个可能就足够了，在安装了额外端口的MacosX上，使用以下命令删除端口ruby安装：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1241689|sudo+port+-f+uninstall+ruby|code-block|syntax|javascript|1241690|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you have several ruby installed, it might be sufficient just to remove one of them, on MacosX with extra ports install, remove the ports ruby installation with:

<pre><code>sudo port -f uninstall ruby
</code></pre>

blocks|key|1241794|text|如果其他人正在搜索这个问题:我能够通过找到我想要使用的难以捉摸的"rubygems“文件夹并将其添加到我的$RUBYLIB环境变量中来修复我的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1241795|find+/+-name+"rubygems"+-print|code-block|syntax|javascript|1241796|找到后，将父目录添加到您的环境中。在bash中，如下所示：|1241797|export+RUBYLIB=/path/to/parent|1241798|现在，如果您运行gem，它应该会选择正确的库目录，您就可以开始运行了。|1241799|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

In case anyone else is googling this problem: I was able to fix mine by finding the elusive "rubygems" folder that I wanted to use and adding it to my $RUBYLIB environment variable.

<pre><code>find / -name "rubygems" -print
</code></pre>

Once you find it, add the parent directory to your environment. In bash, like so:

<pre><code>export RUBYLIB=/path/to/parent
</code></pre>

Now if you run gem, it should pick up the right library directory, and you're off and running.

blocks|key|1241851|text|尝试使用以下命令启动项目：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1241852|./script/server|code-block|syntax|javascript|1241853|如果你使用的是ruby+1.9.2+(来自strange+inability+to+require+config/boot+after+upgrading+to+ruby+1.9.2)，而不是script/server|offset|length|style|CODE|1241854|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/3865515/strange-inability-to-require-config-boot-after-upgrading-to-ruby-1-9-2/6047615#6047615^0|0|0|2O|D|L|1Y|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@$I|X|J|Y|K|L]]|9|@$I|Z|J|10|1|11]]|A|$]]|$1|M|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

Try starting the project with:

<pre><code>./script/server
</code></pre>

instead of <code>script/server</code> if you are using ruby 1.9.2 (from <a href="https://stackoverflow.com/questions/3865515/strange-inability-to-require-config-boot-after-upgrading-to-ruby-1-9-2/6047615#6047615">strange inability to require config/boot after upgrading to ruby 1.9.2</a>)

blocks|key|1027056|text|我有一个类似的问题，简单地运行一个简单的ruby脚本，它只需要gem+I+wanted...got那个错误消息。当我把咒语从：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1027057|ruby+test.rb|code-block|syntax|javascript|1027058|至|1027059|ruby+-rubygems+test.rb|1027060|看起来很管用。|1027061|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I had a similar problem, simply running a trivial ruby script that just required the gem i wanted...got that error message. When I changed the incantation from:

<pre><code>ruby test.rb
</code></pre>

to

<pre><code>ruby -rubygems test.rb
</code></pre>

Seemed to work.

blocks|key|1241973|text|我遇到了类似的问题，并通过设置RUBYLIB+env解决了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1241974|在我的环境中，我使用了以下内容：|1241975|export+RUBYLIB=$ruby_dir/lib/ruby/1.9.1/:$ruby_dir/lib/ruby/1.9.1/i686-linux/:$RUBYLIB|code-block|syntax|javascript|1241976|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I had a similar problem and solved that by setting up RUBYLIB env.

In my environment I used this:

<pre><code>export RUBYLIB=$ruby_dir/lib/ruby/1.9.1/:$ruby_dir/lib/ruby/1.9.1/i686-linux/:$RUBYLIB
</code></pre>

blocks|key|1027186|text|由于安装了多个ruby副本，我在Ubuntu上也遇到了类似的问题。(1.8和1.9.1)不幸的是，我两个都需要。解决方案是使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1027187|$+sudo+update-alternatives+--config+ruby
There+are+2+choices+for+the+alternative+ruby+(providing+/usr/bin/ruby).

++Selection++++Path++++++++++++++++Priority+++Status
------------------------------------------------------------
*+0++++++++++++/usr/bin/ruby1.8+++++50++++++++auto+mode
++1++++++++++++/usr/bin/ruby1.8+++++50++++++++manual+mode
++2++++++++++++/usr/bin/ruby1.9.1+++10++++++++manual+mode

Press+enter+to+keep+the+current+choice[*],+or+type+selection+number:+2
update-alternatives:+using+/usr/bin/ruby1.9.1+to+provide+/usr/bin/ruby+(ruby)+in+manual+mode.|code-block|syntax|javascript|1027188|完成该包安装后，安装成功。|1027189|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I had a similar problem on Ubuntu due to having multiple copies of ruby installed. (1.8 and 1.9.1) Unfortunately I need both of them. The solution is to use:

<pre><code>$ sudo update-alternatives --config ruby
There are 2 choices for the alternative ruby (providing /usr/bin/ruby).

 Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/bin/ruby1.8 50 auto mode
 1 /usr/bin/ruby1.8 50 manual mode
 2 /usr/bin/ruby1.9.1 10 manual mode

Press enter to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/bin/ruby1.9.1 to provide /usr/bin/ruby (ruby) in manual mode.
</code></pre>

After doing that bundle install succeeded.

blocks|key|1027239|text|我在使用rbenv+%2B+passenger+%2B+nginx时也遇到了同样的问题。我的解决方案只是将这两行代码添加到您的nginx配置中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1027240|passenger_default_user+root;
passenger_default_group+root;|code-block|syntax|javascript|1027241|详细的答案在这里：https://stackoverflow.com/a/15777738/445908|offset|length|1027242|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/15777738/445908^0|0|0|9|17|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

I have also met the same problem using rbenv + passenger + nginx. my solution is simply adding these 2 line of code to your nginx config: 

<pre><code>passenger_default_user root;
passenger_default_group root;
</code></pre>

the detailed answer is here: <a href="https://stackoverflow.com/a/15777738/445908">https://stackoverflow.com/a/15777738/445908</a>

blocks|key|1027359|text|好吧，我是一个Ruby菜鸟，但我得到的修复结果与这里的答案略有不同，所以希望这能对其他人有所帮助(tl;dr:我使用RVM将系统Ruby版本切换到rubygems期望的版本)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1027360|首先，列出Eimantas提到的所有红宝石是一个很好的起点：|offset|length|1027361|>+which+-a+ruby
/opt/local/bin/ruby
/Users/Brian/.rvm/rubies/ruby-1.9.2-p290/bin/ruby
/Users/Brian/.rvm/bin/ruby
/usr/bin/ruby
/opt/local/bin/ruby|code-block|syntax|javascript|1027362|系统使用的默认Ruby实例似乎是1.8.7：|1027363|>+ruby+-v
ruby+1.8.7+(2010-06-23+patchlevel+299)+[i686-darwin10]|1027364|而Rubygems使用的版本是由RVM管理的1.9.2版本：|1027365|>+gem+env+%7C+grep+'RUBY+EXECUTABLE'
++-+RUBY+EXECUTABLE:+/Users/Brian/.rvm/rubies/ruby-1.9.2-p290/bin/ruby|1027366|所以这绝对是问题所在。我自己并不经常使用Ruby+(这只是我试图运行的构建系统脚本的一个依赖项)，所以我并不关心哪个版本是出于其他目的而激活的。由于rubygems期望的是已经由RVM管理的1.9.2版本，所以我简单地使用RVM将系统切换到使用1.9.2版本作为默认版本：|1027367|>+rvm+use+1.9.2
Using+/Users/Brian/.rvm/gems/ruby-1.9.2-p290

>+ruby+-v
ruby+1.9.2p290+(2011-07-09+revision+32553)+[x86_64-darwin11.3.0]|1027368|这样做之后，我的“没有这样的文件”的问题就消失了，我的脚本开始工作了。|1027369|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/2896596/108348^0|0|5|8|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|17|8|@]|9|@$D|18|E|19|1|1A]]|A|$]]|$1|F|3|G|5|H|7|1B|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|1C|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|1D|8|@]|9|@]|A|$I|J]]|$1|O|3|P|5|6|7|1E|8|@]|9|@]|A|$]]|$1|Q|3|R|5|H|7|1F|8|@]|9|@]|A|$I|J]]|$1|S|3|T|5|6|7|1G|8|@]|9|@]|A|$]]|$1|U|3|V|5|H|7|1H|8|@]|9|@]|A|$I|J]]|$1|W|3|X|5|6|7|1I|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]]]

OK, I am a Ruby noob, but I did get this fixed slightly differently than the answers here, so hopefully this helps someone else (tl;dr: I used RVM to switch the system Ruby version to the same one expected by rubygems). 

First off, listing all Rubies as mentioned by <a href="https://stackoverflow.com/a/2896596/108348">Eimantas</a> was a great starting point:

<pre><code>&gt; which -a ruby
/opt/local/bin/ruby
/Users/Brian/.rvm/rubies/ruby-1.9.2-p290/bin/ruby
/Users/Brian/.rvm/bin/ruby
/usr/bin/ruby
/opt/local/bin/ruby
</code></pre>

The default Ruby instance in use by the system appeared to be 1.8.7:

<pre><code>&gt; ruby -v
ruby 1.8.7 (2010-06-23 patchlevel 299) [i686-darwin10]
</code></pre>

while the version in use by Rubygems was the 1.9.2 version managed by RVM:

<pre><code>&gt; gem env | grep 'RUBY EXECUTABLE'
 - RUBY EXECUTABLE: /Users/Brian/.rvm/rubies/ruby-1.9.2-p290/bin/ruby
</code></pre>

So that was definitely the issue. I don't actively use Ruby myself (this is simply a dependency of a build system script I'm trying to run) so I didn't care which version was active for other purposes. Since rubygems expected the 1.9.2 that was already managed by RVM, I simply used RVM to switch the system to use the 1.9.2 version as the default:

<pre><code>&gt; rvm use 1.9.2
Using /Users/Brian/.rvm/gems/ruby-1.9.2-p290

&gt; ruby -v
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.3.0]
</code></pre>

After doing that my "no such file" issue went away and my script started working.

blocks|key|1242192|text|我也有这个问题。我的解决方案是删除文件Gemfile.lock，然后重新安装gem:+bundle+install|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1242193|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I also had this issue.
My solution is remove file Gemfile.lock, and install gems again: bundle install

blocks|key|1027453|text|我只想补充一下，在我的例子中，没有安装rubygems。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1027454|运行sudo+apt-get+install+rubygems解决了这个问题！|1027455|entityMap^0|J|8|0|2|T|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

I would just like to add that in my case <code>rubygems</code> wasn't installed.

Running <code>sudo apt-get install rubygems</code> solved the issue!

blocks|key|1242286|text|奇怪的是，简单地运行/bin/bash+--login就帮了我大忙。无法解释。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1242287|entityMap^0|A|H|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

Simply running <code>/bin/bash --login</code> did the trick for me, weirdly. Can't explain it.

blocks|key|1242299|text|gem+install+bundler|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1242300|为我修复了这个问题。|unstyled|1242301|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>gem install bundler
</code></pre>

fixed the issue for me.

blocks|key|1242388|text|这是谷歌将"ubygems“自动更正为"rubygems”后在'require':+cannot+load+such+file+--+ubygems+(LoadError)上搜索时得到的第一个答案。事实证明，这是Ruby2.4和2.5+(Bug+#14322)之间的有意改变。检测用户gems目录而不考虑ruby版本的脚本很可能会失败。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1242389|Ruby+2.4|1242390|ruby+-rubygems+-e+'puts+Gem.user_dir'|code-block|syntax|javascript|1242391|Ruby+2.5|1242392|ruby+-rrubygems+-e+'puts+Gem.user_dir'|1242393|entityMap|0|LINK|mutability|MUTABLE|url|https://bugs.ruby-lang.org/issues/14322^0|V|1J|3B|A|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@$9|11|A|12|1|13]]|E|$]]|$1|F|3|G|5|6|7|14|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|15|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|16|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|17|8|@]|D|@]|E|$K|L]]|$1|Q|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

This is the first answer when Googling <code>'require': cannot load such file -- ubygems (LoadError)</code> after Google autocorrected "ubygems" to "rubygems". Turns out this was an intentional change between Ruby 2.4 and 2.5 (<a href="https://bugs.ruby-lang.org/issues/14322" rel="nofollow noreferrer">Bug #14322</a>). Scripts that detect the user gems directory without taking into account the ruby version will most likely fail.

Ruby 2.4

<pre><code>ruby -rubygems -e 'puts Gem.user_dir'
</code></pre>

Ruby 2.5

<pre><code>ruby -rrubygems -e 'puts Gem.user_dir'
</code></pre>

I recently installed rails in fedora 12. I'm new to linux as well. Everything works fine on Windows 7. But I'm facing lot of problems in linux. Help please!

I've installed all the essentials to my knowledge to get the basic script/server up and running. I have this error from boot.rb popping up when I try script/server. Some of the details I'd like to give here:

The directories where rails, ruby and gem are installed,

<pre><code>[vineeth@localhost my_app]$ which ruby
/usr/local/bin/ruby

[vineeth@localhost my_app]$ which rails
/usr/bin/rails

[vineeth@localhost my_app]$ which gem
/usr/bin/gem
</code></pre>

And when I run the script/server, this is the error.

<pre><code>[vineeth@localhost my_app]$ script/server
./script/../config/boot.rb:9:in `require': no such file to load -- rubygems (LoadError)
 from ./script/../config/boot.rb:9
 from script/server:2:in `require'
 from script/server:2
</code></pre>

And the PATH file looks like this

<pre><code>[vineeth@localhost my_app]$ cat ~/.bash_profile
# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
 . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin

export PATH="/usr/local/bin:/usr/local/sbin:/usr/bin/ruby:$PATH"
</code></pre>

I suppose it is something to do with the PATH file. Let me know what I need to change here. If there are other changes I should make, please let me know.

no such file to load -- rubygems (LoadError)

服务器

Ubuntu

我最近在fedora 12中安装了rails，我也是第一次接触linux。在Windows7上一切正常，但我在linux上遇到了很多问题。请帮帮我！据我所知，我已经安装了所有必备组件来启动和运行基本的脚本/服务器。当我尝试脚本/服务器时，boot.rb弹出了这个错误。我想在这里给出一些细节：rails、ruby和gem...

问没有这样的文件可加载-- rubygems (LoadError)
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