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		<title>centos7.2 安装ruby2.2.3版本</title>
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					<description><![CDATA[换yum源安装 ~]#&#160;yum install centos-release-scl-rh //会在/etc/yum.repos.d/目录下多出一个CentOS-SCLo-scl-rh.repo源 ~]#&#160;yum install rh-ruby23&#160; -y //直接yum安装即可 ~]#&#160;scl&#160; enable&#160; rh-ruby23 bash //必要一步 ~]#&#160;ruby -v # ruby -v ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux] RVM 安装 先执行一条官方 https://rvm.io/ 复制来的长命令（...C0E3空格7D2B...）： ~]#gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB 可能会等待十几秒时间，然后执行下面命令： ~]# \curl -sSL https://get.rvm.io &#124; bash -s stable ~]# source&#160; /etc/profile.d/rvm.sh　　　　//按照提示，执行该命令 ~]# rvm list known　　　　// list一下可以安装的版本 ~]# [&#8230;]]]></description>
		
		
		
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