安装ruby：
$ sudo apt-get install ruby-full 正在读取软件包列表... 完成 正在分析软件包的依赖关系树 正在读取状态信息... 完成 将会安装下列额外的软件包： libruby1.9.1 libruby1.9.1-dbg libtcltk-ruby1.9.1 libyaml-0-2 ri1.9.1 ruby1.9.1 ruby1.9.1-dev ruby1.9.1-examples ruby1.9.1-full 建议安装的软件包： graphviz ruby-switch 下列【新】软件包将被安装： libruby1.9.1 libruby1.9.1-dbg libtcltk-ruby1.9.1 libyaml-0-2 ri1.9.1 ruby-full ruby1.9.1 ruby1.9.1-dev ruby1.9.1-examples ruby1.9.1-full 升级了 0 个软件包，新安装了 10 个软件包，要卸载 0 个软件包，有 0 个软件包未被升级。 需要下载 15.2 MB 的软件包。 解压缩后会消耗掉 42.3 MB 的额外空间。 您希望继续执行吗？[Y/n]
安装rhc：
$ sudo gem install rhc Fetching: net-ssh-2.9.2.gem (100%) Fetching: net-scp-1.2.1.gem (100%) Fetching: net-ssh-gateway-1.2.0.gem (100%) Fetching: net-ssh-multi-1.2.0.gem (100%) Fetching: archive-tar-minitar-0.5.2.gem (100%) Fetching: highline-1.6.21.gem (100%) Fetching: commander-4.3.0.gem (100%) Fetching: httpclient-2.6.0.1.gem (100%) Fetching: open4-1.3.4.gem (100%) Fetching: rhc-1.34.2.gem (100%) =========================================================================== If this is your first time installing the RHC tools, please run 'rhc setup' =========================================================================== Successfully installed net-ssh-2.9.2 Successfully installed net-scp-1.2.1 Successfully installed net-ssh-gateway-1.2.0 Successfully installed net-ssh-multi-1.2.0 Successfully installed archive-tar-minitar-0.5.2 Successfully installed highline-1.6.21 Successfully installed commander-4.3.0 Successfully installed httpclient-2.6.0.1 Successfully installed open4-1.3.4 Successfully installed rhc-1.34.2 10 gems installed Installing ri documentation for net-ssh-2.9.2... Installing ri documentation for net-scp-1.2.1... Installing ri documentation for net-ssh-gateway-1.2.0... Installing ri documentation for net-ssh-multi-1.2.0... Installing ri documentation for archive-tar-minitar-0.5.2... Installing ri documentation for highline-1.6.21... Installing ri documentation for commander-4.3.0... Installing ri documentation for httpclient-2.6.0.1... Installing ri documentation for open4-1.3.4... Installing ri documentation for rhc-1.34.2... Installing RDoc documentation for net-ssh-2.9.2... Installing RDoc documentation for net-scp-1.2.1... Installing RDoc documentation for net-ssh-gateway-1.2.0... Installing RDoc documentation for net-ssh-multi-1.2.0... Installing RDoc documentation for archive-tar-minitar-0.5.2... Installing RDoc documentation for highline-1.6.21... Installing RDoc documentation for commander-4.3.0... Installing RDoc documentation for httpclient-2.6.0.1... Installing RDoc documentation for open4-1.3.4... Installing RDoc documentation for rhc-1.34.2...