如果您还没有安装ssh，这里是一个使用ssh的快速上手向导。
If you really do not yet have SSH installed, here is a quick-start guide to running SSH.
如果您还没有安装IDS11，请考虑下载和安装IBM IDS 11。
If you haven't already done so, consider downloading and installing a copy of IBM IDS 11.
如果您还没有安装此版本的JD K，下载并安装它以继续进行本文的练习(参见参考资料)。
If you haven't already installed this version of the JDK, download and install it to proceed with this article's exercise (see Resources).
如果您还没有安装这些软件，那么根据附录中下载的内容，去下载、安装以及配置软件。
Follow instructions in the Appendix to download, install, and configure the software if you don't already have it installed.
如果您还没有安装数据库系统，比如MySQL或PostgreSQL，请安装一个。
If you haven't already, install a database system, such as MySQL or PostgreSQL.
您还需要build - essential软件包和dpkg - dev软件包，它们可能已经安装在您的系统上，也可能还没有安装。
You will need the build-essential package and dpkg-dev package as well, which may or may not already be installed on your system.
您还需要build - essential软件包和dpkg - dev软件包，它们可能已经安装在您的系统上，也可能还没有安装。
You will need the build-essential package and dpkg-dev package as well, which may or may not already be installed on your system.
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