红帽全球峰会1.5.3. 安装可选软件包
Red Hat Developer Toolset 带有很多没有默认安装的可选软件包。要列出所有可用的 Red Hat Developer Toolset 软件包，但还没有安装在系统中：
yum list available devtoolset-11-\*
$ yum list available devtoolset-11-\*安装任何这些可选软件包：
yum install package_name
# yum install package_name使用您要安装的软件包列表替换 package_name。例如，安装 devtoolset-11-gdb-gdbserver 和 devtoolset-11-gdb-doc 软件包：
yum install devtoolset-11-gdb-gdbserver devtoolset-11-gdb-doc
# yum install devtoolset-11-gdb-gdbserver devtoolset-11-gdb-doc
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