User Mode Linux

Chapter 3. Exploring UML

Logging In as a Normal User

In this chapter we will explore a UML instance in more detail, looking at how it is similar to and how it differs from a physical Linux machine. While doing a set of fairly simple, standard system administration chores in the instance, we will see some UML twists to them. For example, we will add swap space and mount filesystems. The twist is that we will do these things by plugging the required devices into the UML at runtime, from the host, without rebooting the UML.

First, let’s log in to the UML instance, as we did in the previous chapter. When the UML boots, we see a login prompt in the window in which we started it. Some xterm windows pop up on the screen, which we ignore. They also contain ...