Ubuntu 13.10下面不参直接安装ia32-libs，直接安装的时候会提示下面的信息：
output$ sudo apt-get install ia32-libs
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package ia32-libs is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
lib32z1 lib32ncurses5 lib32bz2-1.0 E: Package 'ia32-libs' has no installation candidate
下面说说如何安装
1. 安装synaptic
sudo apt-get install synaptic
2.更新软件源
打开：System Setting -> Software & Updates ，选择 Other Software ，点击 Add ，添加如下内容，点击 OK -> reload，等待更新完毕即可。
deb http://archive.ubuntu.com/ubuntu/ raring main restricted universe multiverse
3.安装ia32-libs
sudo apt-get install ia32-libs