blocks|key|180089|text|sudo+apt-add-repository+ppa:brightbox/ruby-ng-experimental+&&
sudo+apt-get+update+&&
sudo+apt-get+install+-y+ruby2.0+ruby2.0-dev+ruby2.0-doc|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|180090|易于使用的%5Eㅡ%5E|unstyled|180091|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>sudo apt-add-repository ppa:brightbox/ruby-ng-experimental &amp;&amp;
sudo apt-get update &amp;&amp;
sudo apt-get install -y ruby2.0 ruby2.0-dev ruby2.0-doc
</code></pre>

Easy to use ^ㅡ^

blocks|key|2786538|text|#+Adds+Ruby+2.2+to+Ubuntu+14.04
sudo+apt-add-repository+ppa:brightbox/ruby-ng
#+Adds+Ruby+v1.9/2.0/2.1/2.2+to+Ubuntu+14.04/15.04
#+sudo+add-apt-repository+ppa:brightbox/ruby-ng-experimental

sudo+apt-get+update
sudo+apt-get+install+ruby2.2+ruby2.2-dev

#+http://stackoverflow.com/a/1892889/2126990
#+priority+ruby:+https://gist.github.com/brodock/7693207
sudo+update-alternatives+--remove+ruby+/usr/bin/ruby2.2
sudo+update-alternatives+--remove+irb+/usr/bin/irb2.2
sudo+update-alternatives+--remove+gem+/usr/bin/gem2.2

sudo+update-alternatives+\
++++--install+/usr/bin/ruby+ruby+/usr/bin/ruby2.2+50+\
++++--slave+/usr/bin/irb+irb+/usr/bin/irb2.2+\
++++--slave+/usr/bin/rake+rake+/usr/bin/rake2.2+\
++++--slave+/usr/bin/gem+gem+/usr/bin/gem2.2+\
++++--slave+/usr/bin/rdoc+rdoc+/usr/bin/rdoc2.2+\
++++--slave+/usr/bin/testrb+testrb+/usr/bin/testrb2.2+\
++++--slave+/usr/bin/erb+erb+/usr/bin/erb2.2+\
++++--slave+/usr/bin/ri+ri+/usr/bin/ri2.2

update-alternatives+--config+ruby
update-alternatives+--display+ruby

$+irb
irb(main):001:0>+RUBY_VERSION
=>+"2.2.0"

$+ruby+--version
ruby+2.2.0p0+(2014-12-25+revision+49005)+[x86_64-linux-gnu]|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|2786539|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code># Adds Ruby 2.2 to Ubuntu 14.04
sudo apt-add-repository ppa:brightbox/ruby-ng
# Adds Ruby v1.9/2.0/2.1/2.2 to Ubuntu 14.04/15.04
# sudo add-apt-repository ppa:brightbox/ruby-ng-experimental

sudo apt-get update
sudo apt-get install ruby2.2 ruby2.2-dev

# http://stackoverflow.com/a/1892889/2126990
# priority ruby: https://gist.github.com/brodock/7693207
sudo update-alternatives --remove ruby /usr/bin/ruby2.2
sudo update-alternatives --remove irb /usr/bin/irb2.2
sudo update-alternatives --remove gem /usr/bin/gem2.2

sudo update-alternatives \
 --install /usr/bin/ruby ruby /usr/bin/ruby2.2 50 \
 --slave /usr/bin/irb irb /usr/bin/irb2.2 \
 --slave /usr/bin/rake rake /usr/bin/rake2.2 \
 --slave /usr/bin/gem gem /usr/bin/gem2.2 \
 --slave /usr/bin/rdoc rdoc /usr/bin/rdoc2.2 \
 --slave /usr/bin/testrb testrb /usr/bin/testrb2.2 \
 --slave /usr/bin/erb erb /usr/bin/erb2.2 \
 --slave /usr/bin/ri ri /usr/bin/ri2.2

update-alternatives --config ruby
update-alternatives --display ruby

$ irb
irb(main):001:0&gt; RUBY_VERSION
=&gt; "2.2.0"

$ ruby --version
ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-linux-gnu]
</code></pre>

blocks|key|177570|text|自从这个问题得到回答后，我在这里找到了一个新的选择：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|177571|https://www.brightbox.com/docs/ruby/ubuntu/|offset|length|177572|简而言之：|177573|#+For+ubuntu+>=+14.04+install+software-properties-common
#+instead+of+python-software-properties
sudo+apt-get+install+python-software-properties
sudo+apt-add-repository+ppa:brightbox/ruby-ng
sudo+apt-get+update

sudo+apt-get+-y+install+ruby2.2+ruby-switch
sudo+ruby-switch+--set+ruby2.2|code-block|syntax|javascript|177574|我必须说，根据我的测试，这比这里显示的替代方案更快，因为编译步骤被跳过了。|177575|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|17|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@$D|X|E|Y|1|Z]]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|11|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|12|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|C]]]]

Since this question was answered I have found a new alternative here:

<a href="https://www.brightbox.com/docs/ruby/ubuntu/">https://www.brightbox.com/docs/ruby/ubuntu/</a>

In short:

<pre><code># For ubuntu &gt;= 14.04 install software-properties-common
# instead of python-software-properties
sudo apt-get install python-software-properties
sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update

sudo apt-get -y install ruby2.2 ruby-switch
sudo ruby-switch --set ruby2.2
</code></pre>

I must say that according to my tests this is faster than the alternatives shown here, because the compiling step is skipped.

blocks|key|2999008|text|我特别喜欢ruby-install，可以在这里找到：https://github.com/postmodern/ruby-install|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2999009|它将安装ruby+(任何版本)，JRuby等，并有许多其他功能。|2999010|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/postmodern/ruby-install^0|Q|16|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

I particularly like ruby-install, available here: <a href="https://github.com/postmodern/ruby-install" rel="nofollow">https://github.com/postmodern/ruby-install</a>

It will install ruby (any version), JRuby, etc., and has many other features besides.

blocks|key|178327|text|在没有RVM的ubuntu上安装ruby的更好的方法是在终端中使用rbenv安装它，如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|178328|$+sudo+apt-get+update|code-block|syntax|javascript|178329|使用apt-get安装rbenv和Ruby依赖项：|178330|$+sudo+apt-get+install+git-core+curl+zlib1g-dev+build-essential+libssl-dev+libreadline-dev+libyaml-dev+libsqlite3-dev+sqlite3+libxml2-dev+libxslt1-dev+libcurl4-openssl-dev+python-software-properties+libffi-dev|178331|现在运行这些命令，如下所示：|178332|$+cd
$+git+clone+https://github.com/rbenv/rbenv.git+~/.rbenv
$+echo+'export+PATH="$HOME/.rbenv/bin:$PATH"'+>>+~/.bashrc
$+echo+'eval+"$(rbenv+init+-)"'+>>+~/.bashrc
$+exec+$SHELL
$+git+clone+https://github.com/rbenv/ruby-build.git+~/.rbenv/plugins/ruby-build
$+echo+'export+PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"'+>>+~/.bashrc
$+exec+$SHELL|178333|是时候安装ruby了：|178334|$+rbenv+install+2.3.3|178335|哪一个是最新的稳定版本？|178336|$+rbenv+global+2.3.3|178337|检查版本|178338|$+ruby+-v|178339|要禁用本地文档，因为此过程可能会很长：|178340|$+echo+"gem:+--no-document"+>+~/.gemrc|178341|安装bundler+gem，以管理您的应用程序依赖项：|178342|$+gem+install+bundler|178343|entityMap^0|X|5|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1E|8|@$9|1F|A|1G|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|1H|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|1I|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|1J|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1K|8|@]|D|@]|E|$]]|$1|Q|3|R|5|H|7|1L|8|@]|D|@]|E|$I|J]]|$1|S|3|T|5|6|7|1M|8|@]|D|@]|E|$]]|$1|U|3|V|5|H|7|1N|8|@]|D|@]|E|$I|J]]|$1|W|3|X|5|6|7|1O|8|@]|D|@]|E|$]]|$1|Y|3|Z|5|H|7|1P|8|@]|D|@]|E|$I|J]]|$1|10|3|11|5|6|7|1Q|8|@]|D|@]|E|$]]|$1|12|3|13|5|H|7|1R|8|@]|D|@]|E|$I|J]]|$1|14|3|15|5|6|7|1S|8|@]|D|@]|E|$]]|$1|16|3|17|5|H|7|1T|8|@]|D|@]|E|$I|J]]|$1|18|3|19|5|6|7|1U|8|@]|D|@]|E|$]]|$1|1A|3|1B|5|H|7|1V|8|@]|D|@]|E|$I|J]]|$1|1C|3|-4|5|6|7|1W|8|@]|D|@]|E|$]]]|1D|$]]

The better way to install ruby on ubuntu without RVM is to install it with rbenv in terminal as follows:

<pre><code>$ sudo apt-get update
</code></pre>

Install the rbenv and Ruby dependencies with apt-get:

<pre><code>$ sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties libffi-dev
</code></pre>

Now run these commands as follows:

<pre><code>$ cd
$ git clone https://github.com/rbenv/rbenv.git ~/.rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' &gt;&gt; ~/.bashrc
$ echo 'eval "$(rbenv init -)"' &gt;&gt; ~/.bashrc
$ exec $SHELL
$ git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
$ echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' &gt;&gt; ~/.bashrc
$ exec $SHELL
</code></pre>

Time to install ruby:

<pre><code>$ rbenv install 2.3.3
</code></pre>

which ever is the latest and stable version

<pre><code>$ rbenv global 2.3.3
</code></pre>

To check the version 

<pre><code>$ ruby -v
</code></pre>

To disable the local documentation, as this process can be lengthy:

<pre><code>$ echo "gem: --no-document" &gt; ~/.gemrc
</code></pre>

Install the bundler gem, to manage your application dependencies:

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

I want to install ruby 2.0 using

<pre><code>sudo apt-get install ruby2.0
</code></pre>

But there isn't available package for ruby2.0

I want to install it using apt-get install the same like ruby 1.9.1

Any suggestions?

How to install Ruby 2 on Ubuntu without RVM

Ubuntu

我想使用以下命令安装ruby 2.0sudo apt-get install ruby2.0但是ruby2.0还没有可用的包我想使用ruby get安装，就像Ruby1.9.1一样有什么建议吗？

问如何在没有RVM的Ubuntu上安装Ruby 2
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