安裝openshift客戶端工具 rhc

安裝ruby：

$ sudo apt-get install ruby-full
正在讀取軟件包列表... 完成
正在分析軟件包的依賴關係樹       
正在讀取狀態信息... 完成       
將會安裝下列額外的軟件包：
  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
建議安裝的軟件包：
  graphviz ruby-switch
下列【新】軟件包將被安裝：
  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
升級了 0 個軟件包，新安裝了 10 個軟件包，要卸載 0 個軟件包，有 0 個軟件包未被升級。
須要下載 15.2 MB 的軟件包。
解壓縮後會消耗掉 42.3 MB 的額外空間。
您但願繼續執行嗎？[Y/n]

安裝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...