In this chapter, you learned how to work with Xen, one of the most spectacular new additions to SUSE Linux Enterprise Server. Using Xen, you can create virtual machines on your server. The paravirtualization option is the fastest method but requires some changes to the guest operating system. If your CPU supports virtualization, you can use hardware virtualization as well to run unmodified operating systems in the virtual environment. With SUSE Linux Enterprise Server, you can set up the virtual environment easily, using YaST. Also, the xm command that you can use to manage the virtual environment is not hard at all to use. In the next chapter, you will learn how to use AppArmor to provide application security.
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