blocks|key|836616|text|我猜是rvm+install+1.9.2-head|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|836617|您可以使用rvm+list+known查看可用的红宝石|836618|entityMap^0|3|M|0|5|E|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 guess its <code>rvm install 1.9.2-head</code>

You can see available rubies with <code>rvm list known</code>

blocks|key|836653|text|您可以通过遵循其wiki中的页面来安装任何补丁级别。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|836654|而且，每个ruby都是独立的，所以你并不是在“升级和保留gem”，而是安装一个新的补丁版本，然后在这个新的ruby环境中安装gem。|836655|这可能是因为gemsets起作用了，但我并不使用它们。|836656|别忘了更新你的rvm，以防万一已经有一段时间了。|836657|entityMap|0|LINK|mutability|MUTABLE|url|http://rvm.beginrescueend.com/rubies/installing/^0|8|4|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]]]

You can install any patch level by following the page in their <a href="http://rvm.beginrescueend.com/rubies/installing/" rel="nofollow">wiki</a>.

Also, each ruby is independent, so you aren't really 'upgrading and keeping the gems' but installing a new patch version and then installing the gems in that new ruby environment.

This may be were gemsets come into play, however I don't use them.

Do not forget to update your rvm too, just in case it's been awhile.

blocks|key|1051442|text|首先，通过运行rvm+get+stable更新您的RVM安装。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1051443|为了确保您运行的是新的RVM版本，您需要运行rvm+reload+(或者只是打开一个新的终端)。|1051444|完成后，您可以要求RVM通过运行rvm+list+known列出可供安装的ruby版本。|1051445|在输出中，您现在应该看到：|1051446|#+MRI+Rubies
...
[ruby-]1.9.2[-p320]
...|code-block|syntax|javascript|1051447|补丁级别周围的方括号表示这是RVM当前ruby+1.9.2的默认补丁级别。|1051448|最后，要安装新的ruby版本，只需运行rvm+install+1.9.2+-并等待其编译！|1051449|entityMap^0|7|E|0|M|A|0|G|E|0|0|0|0|J|H|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@$9|10|A|11|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|15|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|16|8|@]|D|@]|E|$O|P]]|$1|Q|3|R|5|6|7|17|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|18|8|@$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|U|3|-4|5|6|7|1B|8|@]|D|@]|E|$]]]|V|$]]

First of all, update your RVM installation by running <code>rvm get stable</code>.

To make sure you're running the new RVM version, you'll then need to run <code>rvm reload</code> (or just open a new terminal).

Once that's done, you can ask RVM to list the ruby versions available to install by running <code>rvm list known</code>.

In the output you should now see:

<pre><code># MRI Rubies
...
[ruby-]1.9.2[-p320]
...
</code></pre>

The square brackets around the patch level indicate that this is currently RVM's default patch level for ruby 1.9.2.

Finally, to install the new ruby version, just run <code>rvm install 1.9.2</code> - and wait for it to compile!

blocks|key|836729|text|如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|836730|rvm+update;+rvm+reload
rvm+install+ruby-1.9.2-p136+
rvm+--default+ruby-1.9.2-p136|code-block|syntax|javascript|836731|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|$]]

like this:

<pre><code>rvm update; rvm reload
rvm install ruby-1.9.2-p136 
rvm --default ruby-1.9.2-p136
</code></pre>

blocks|key|836781|text|这篇博文应该会有帮助：http://pogodan.com/blog/2011/09/06/ruby-1-9-3-for-development|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|836782|要点：|836783|rvm+get+head
rvm+reload

wget+https://gist.github.com/raw/1008945/4edd1e1dcc1f0db52d4816843a9d1e6b60661122/ruby-1.9.2p290.patch
rvm+install+ruby-1.9.2-p290+--patch+ruby-1.9.2p290.patch+-n+patched|code-block|syntax|javascript|836784|entityMap|0|LINK|mutability|MUTABLE|url|http://pogodan.com/blog/2011/09/06/ruby-1-9-3-for-development^0|B|1P|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

This blog post should be helpful:
<a href="http://pogodan.com/blog/2011/09/06/ruby-1-9-3-for-development" rel="nofollow">http://pogodan.com/blog/2011/09/06/ruby-1-9-3-for-development</a>

essentials:

<pre><code>rvm get head
rvm reload

wget https://gist.github.com/raw/1008945/4edd1e1dcc1f0db52d4816843a9d1e6b60661122/ruby-1.9.2p290.patch
rvm install ruby-1.9.2-p290 --patch ruby-1.9.2p290.patch -n patched
</code></pre>

blocks|key|1051595|text|npad的答案明确列出了基础知识，所以我不会重复这些步骤，但这里有几个答案建议使用rvm+upgrade。我知道rvm为您提供了选择，但它有点危险。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1051596|IMO，更安全和更"rvm的方式“是首先rvm+install新的ruby版本，然后使用rvm+gemset+copy命令复制您的gemset(s)到新的ruby版本，例如rvm+gemset+copy+1.9.2-p0@some-gemset+1.9.2-p290@some-gemset。然后，您可以轻松地将项目切换到使用新复制的gemset+(我建议使用项目目录中的.rvmrc文件)，并查看代码是否失败。如果是这样的话，换回旧的ruby版本只需要切换一下gemset即可。|1051597|但是，即使您不使用gemsets+(尽管我假设您使用了，因为您在这个问题上标记了rails+)，使用rvm+upgrade也可能导致意外的失败。如果你的代码崩溃了，现在你必须重新安装旧版本。只要多花一点时间，用干净的方式来做就行了。|1051598|entityMap^0|15|B|0|K|B|18|F|2E|1N|56|6|0|1E|B|0^^$0|@$1|2|3|4|5|6|7|L|8|@$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|J|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|K|$]]

npad's answer definitely lays out the basics so I won't reiterate those steps, but there are several answers here suggesting using <code>rvm upgrade</code>. I know that rvm gives you the option, but it's a bit of a dangerous one.

IMO, the safer and more "rvm way" is to first <code>rvm install</code> the new ruby version, then use the <code>rvm gemset copy</code> command to copy your gemset(s) to the new ruby version, e.g. <code>rvm gemset copy 1.9.2-p0@some-gemset 1.9.2-p290@some-gemset</code>. Then you can easily switch your project to using the newly-copied gemset (I recommend using an <code>.rvmrc</code> file in your project directory) and see if your code fails. If it does, changing back to the old ruby version is just a matter of switching the gemset.

But even if you don't use gemsets (though I assume you do since you tagged rails on this question), the use of <code>rvm upgrade</code> can lead to unexpected failures. And if your code breaks, now you have to reinstall the old version again. Just take a bit more time and do it the clean way.

blocks|key|836897|text|第一次更新RVM：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|836898|rvm+get+stable|code-block|syntax|javascript|836899|然后更新你的Ruby版本：|836900|rvm+upgrade+2.0.0|836901|对所有问题选择yes：|836902|Are+you+sure+you+wish+to+upgrade+from+ruby-2.0.0-p195+to+ruby-2.0.0-p247?+(Y/n):+Y
Are+you+sure+you+wish+to+MOVE+gems+from+ruby-2.0.0-p195+to+ruby-2.0.0-p247?
This+will+overwrite+existing+gems+in+ruby-2.0.0-p247+and+remove+them+from+ruby-2.0.0-p195+(Y/n):+Y
Do+you+wish+to+move+over+aliases?+(Y/n):+Y
Do+you+wish+to+move+over+wrappers?+(Y/n):+Y
Do+you+also+wish+to+completely+remove+ruby-2.0.0-p195+(inc.+archive)?+(Y/n):+Y|836903|如果您希望将gem更新到最新版本，您可以执行以下操作：|836904|rvm+all+do+gem+update|836905|编辑:我今天刚刚为最新版本的ruby+2.0.0+(我从ruby-2.0.0-p195更新到ruby-2.0.0-p353)做了这件事。在那之后，当我试图更新gem时，我得到了分段错误。这是因为gem是为ruby-2.0.0-p195安装的，其中一些与p353不兼容。|836906|现在您可以尝试查找不兼容的gem，但最简单的解决方案是删除所有已安装的gem，然后重新安装它们。我只是删除了位于/usr/local/rvm中的gems/ruby-2.0.0-p353目录。你可以在别的地方找到它。|offset|length|style|CODE|836907|然后我运行了gem+install+bundler，对于我的每个rails应用程序，我都运行了bundle+install。|836908|entityMap^0|0|0|0|0|0|0|0|0|0|1K|E|20|K|0|6|J|1B|E|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|16|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|18|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1A|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|1C|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1D|8|@$W|1E|X|1F|Y|Z]|$W|1G|X|1H|Y|Z]]|9|@]|A|$]]|$1|10|3|11|5|6|7|1I|8|@$W|1J|X|1K|Y|Z]|$W|1L|X|1M|Y|Z]]|9|@]|A|$]]|$1|12|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]]|13|$]]

First update RVM:

<pre><code>rvm get stable
</code></pre>

Then update your Ruby version:

<pre><code>rvm upgrade 2.0.0
</code></pre>

Choose yes for all the questions:

<pre><code>Are you sure you wish to upgrade from ruby-2.0.0-p195 to ruby-2.0.0-p247? (Y/n): Y
Are you sure you wish to MOVE gems from ruby-2.0.0-p195 to ruby-2.0.0-p247?
This will overwrite existing gems in ruby-2.0.0-p247 and remove them from ruby-2.0.0-p195 (Y/n): Y
Do you wish to move over aliases? (Y/n): Y
Do you wish to move over wrappers? (Y/n): Y
Do you also wish to completely remove ruby-2.0.0-p195 (inc. archive)? (Y/n): Y
</code></pre>

If you wish to update your gems to the latest versions, you can do:

<pre><code>rvm all do gem update
</code></pre>

EDIT: I just did this today for the latest version of ruby 2.0.0 (I updated from ruby-2.0.0-p195 to ruby-2.0.0-p353). After that, I was getting segmentation fault when I tried to update gems. This happens because the gems were installed for ruby-2.0.0-p195 and some of them are incompatible with p353.

Now you can go and try to find the gems that are incompatible, but the easiest solution was to remove all installed gems and install them again. I simply removed <code>gems/ruby-2.0.0-p353</code> directory that was located in <code>/usr/local/rvm</code>. It could be somewhere else for you.

Then I ran <code>gem install bundler</code> and for each of my rails apps I did <code>bundle install</code>.

My current version of ruby is <code>ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0]</code> but I want to update it to the latest patch level using rvm. How can I do this?

How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

我当前的ruby版本是ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0]，但我想使用rvm将其更新到最新的补丁级别。我该怎么做呢？

问如何使用rvm将我的ruby 1.9.2-p0升级到最新的补丁级别？
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问如何使用rvm将我的ruby 1.9.2-p0升级到最新的补丁级别？
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