In this chapter, we discussed various package management tools such as dpkg, apt-get, and aptitude. You learned about the limitations of dpkg, how apt overcomes these limitations, and the ease of using aptitude. You also learned about auto updates and configuring the repositories as per your requirements. Later, we covered how to create, maintain, and use the local mirrors for your cluster.

In the next chapter you will learn about the network and DNS, as well as how to set up and maintain them.