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CT210 wk2/ch2 (OBJ (Choose the best release and edition to meet your needs…
CT210 wk2/ch2
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Exercises
- Briefly, what does the process of installing an operating system such as Linux involve?
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- Would you set up a GUI on a server system? Why or why not?
- A system boots from the hard disk. To install Linux, you need it to boot from a DVD. How can you make the system boot from a DVD?
- What is free space on a hard disk? What is a filesystem?
- What is an ISO image file? How do you burn an ISO image file to a DVD?
ch2 summary
efore you start installing Ubuntu, decide which edition or derivative you will use, and then verify that it will run on the hardware you are installing it on. The Ubuntu Desktop edition is the most commonly used standard edition. It installs a graphical system that runs the Unity desktop. You can also use it to start a live session that runs Ubuntu without installing it on the hard disk (although you can install an Ubuntu system from a live session). Running a live session is a good way to test hardware and fix a system that will not boot from the hard disk. Alternately, you can use the Ubuntu Server edition to install a minimal, text-based system that is appropriate for running servers. The Netboot edition is nonstandard and gives you a choice of which software packages to install and whether you want to install a graphical or textual system.
When you install Ubuntu, you copy operating system files from an installation medium (e.g., DVD or USB flash drive) to hard disk(s) on a system and set up configuration files so that Linux runs properly on the hardware. Operating system files are stored on installation media as an installation (ISO) image file. You can use a Web browser, FTP, or BitTorrent to download an image file. It is a good idea to test the image file (once it is downloaded) and the installation medium before you use it to install Ubuntu.
During installation, you can let the ubiquity installer decide how to partition the hard disk (guided partitioning) or you can manually specify how you want to partition it. At a minimum you must provide a partition for the operating system and a swap partition.
CH 3
exercises
- What is a live session? What advantages does it have over an installed system?
- Describe the ubiquity installer.
- Where can the installation image used by ubiquity be located?
- Why is it important to test the installation medium? How can you do so?
- Describe the Netboot Image.
- What is the basic difference between the Desktop Image and the Netboot Image?
- What is the gnome-disks utility, and what can it do?
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CH 3 summary
You can use the Desktop Image to boot to a live session or to use the ubiquity graphical installer to install a version of Ubuntu that runs the Unity desktop manager. The Server Image uses the textual installer to install a textual server system. The Netboot image uses the textual installer to download selected software from the network and install a textual or graphical system. Both ubiquity and the textual installer call tools that identify the hardware, build the necessary filesystems, and install the Ubuntu operating system.
Both installers include disk-partitioning facilities that can add, delete, and modify partitions on a hard disk during installation. The gnome-disks utility, which you can run from a live session, reports on and manipulates hard disk partitions before or after installation.
A dual-boot system can boot one of two or more operating systems, frequently Windows and Linux. The biggest task in setting up a dual-boot system, assuming you want to add Linux to a Windows system, is finding enough disk space to hold Linux.