compile ruby source code:
Linux:~ # wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.3.tar.bz2
Linux:~ # tar jxf ruby-2.1.3.tar.bz2
Linux:~ # cd ruby-2.1.3/
Linux:~/ruby-2.1.3 # ./configure --prefix=/usr/local/ruby
Linux:~/ruby-2.1.3 # make
Linux:~/ruby-2.1.3 # make install
注意, 安裝前先確認已有zlib-devel, opens-devel, readline. 沒有也可以安裝, 只是之後 gem 沒辦法使用
Linux:~ # wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.3.tar.bz2
Linux:~ # tar jxf ruby-2.1.3.tar.bz2
Linux:~ # cd ruby-2.1.3/
Linux:~/ruby-2.1.3 # ./configure --prefix=/usr/local/ruby
Linux:~/ruby-2.1.3 # make
Linux:~/ruby-2.1.3 # make install
注意, 安裝前先確認已有zlib-devel, opens-devel, readline. 沒有也可以安裝, 只是之後 gem 沒辦法使用

