http://www.ruby-lang.org/en/downloads/
下載 Ruby 之後，解壓到某目錄下：
$ tar -xvzf ruby-2.5.1.tgz -C /usr/local
$ cd /usr/local/ruby-2.5.1
現在，配置並編譯源代碼，如下所示：
$ ./configure
$ make
$ sudo make install
安裝後，通過
建立軟連接
ln -s /usr/local/ruby-2.5.1/ruby /usr/bin/ruby
注意： 這裏要用全路徑，否則會報錯：Too many levels of symbolic links
驗證：
[root@node1 ~]# ruby -v
ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux]
[root@node1 ~]# irb
irb(main):001:0>
開發ruby使用sublime text3 安裝插件：CodeIntel，可以自動提示ruby的函數,類等,比如輸入File.,它就會自動列出File的所有函數供你選擇.
以及代碼高亮：.Bracket Highlighter 高亮代碼匹配,比如括號,雙引號,do和end等等,比自帶的顯示更明顯
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作者：Mr_Alfred
鏈接：https://www.jianshu.com/p/38afa54a1093
來源：簡書