additional dependencies are required: $ sudo dnf install asciidoc xmlto docbook2X $ sudo apt-get install asciidoc xmlto docbook2x   Users of RHEL and RHEL-derivatives like CentOS and Scientific Linux Linux will have to enable the EPEL repository to download the docbook2X package. If you’re using a Debian-based distribution (Debian/Ubuntu/Ubuntu- derivatives), you also need the install-info package: using Fedora/RHEL/RHEL-derivatives, you need to do this: $ sudo ln -s /usr/bin/db2x_docbook2texi /usr/bin/docbook2x-texi due to binary name differences. When you have all the necessary dependencies

additional dependencies are required: $ sudo dnf install asciidoc xmlto docbook2X $ sudo apt-get install asciidoc xmlto docbook2x   Users of RHEL and RHEL-derivatives like CentOS and Scientific Linux Linux will have to enable the EPEL repository to download the docbook2X package. If you’re using a Debian-based distribution (Debian/Ubuntu/Ubuntu- derivatives), you also need the install-info package: using Fedora/RHEL/RHEL-derivatives, you need to do this: $ sudo ln -s /usr/bin/db2x_docbook2texi /usr/bin/docbook2x-texi due to binary name differences. When you have all the necessary dependencies

sudo dnf install asciidoc xmlto docbook2X $ sudo apt-get install asciidoc xmlto docbook2x   使用 RHEL 和 RHEL 衍生版，如 CentOS 和 Scientific Linux 的用户需要 开启 EPEL 库 以 便下载 docbook2X 包。 如 果 你 使 用 基 于 Debian 的 install getopt 此外，如果你使用 Fedora/RHEL/RHEL衍生版，那么你需要执行以下命令： $ sudo ln -s /usr/bin/db2x_docbook2texi /usr/bin/docbook2x-texi 以此来解决二进制文件名的不同。 当你安装好所有的必要依赖，你可以继续从几个地方来取得最新发布版本的 tar 包 。 你 可 以 从 Kernel.org