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2. Booting the Universal Installation CD
2.a. Hardware Requirements
Before we start, we first list what hardware requirements you need to
successfully install Gentoo on your box.
2.b. The Gentoo Universal Installation CD
Gentoo Linux can be installed using a stage3 tarball file.
Such a tarball is an archive that contains a minimal environment from
which you can succesfully install Gentoo Linux onto your system.
Installations using a stage1 or stage2 tarball file are not documented in the
Gentoo Handbook - please read the Gentoo
FAQ on these matters.
Gentoo Universal Installation CD
An Installation CD is a bootable medium which contains a self-sustained Gentoo
environment. It allows you to boot Linux from the CD. During the boot process
your hardware is detected and the appropriate drivers are loaded. The Gentoo
Installation CDs are maintained by Gentoo developers.
There currently are two Installation CDs available:
The Universal Installation CD contains everything you need to install
Gentoo. It provides stage3 files for common architectures, source code
for the extra applications you need to choose from and, of course, the
installation instructions for your architecture.
The Minimal Installation CD contains only a minimal environment that allows
you to boot up and configure your network so you can connect to the
Internet. It does not contain any additional files and cannot be used
during the current installation approach.
Gentoo also provides a Package CD. This is not an Installation CD but an
additional resource that you can exploit during the installation of your Gentoo
system. It contains prebuilt packages (also known as the GRP set) that allow
you to easily and quickly install additional applications (such as
OpenOffice.org, KDE, GNOME, ...) immediately after the Gentoo installation and
right before you update your Portage tree.
The use of the Package CD is covered later in this document.
2.c. Download, Burn and Boot a Gentoo Installation CD
Downloading and Burning the Installation CDs
You can download the Universal Installation CD (and, if you want to, the
Packages CD as well) from one of our mirrors. The Installation CDs are located in
the releases/sparc/2007.0/sparc64/installcd directory; the Package CDs
are located in the releases/sparc/2007.0/sparc64/packagecd directory.
Inside those directories you'll find ISO-files. Those are full CD images which
you can write on a CD-R.
In case you wonder if your downloaded file is corrupted or not, you can check its
MD5 checksum and compare it with the MD5 checksum we provide (such as
install-sparc64-minimal-2007.0.iso.DIGESTS). You can check the MD5
checksum with the md5sum tool under Linux/Unix or md5sum for Windows.
Another way to check the validity of the downloaded file is to use GnuPG to
verify the cryptographic signature that we provide (the file ending with
.asc). Download the signature file and obtain the public key:
Code Listing 3.1: Obtaining the public key
$ gpg --keyserver subkeys.pgp.net --recv-keys 17072058
Now verify the signature:
Code Listing 3.2: Verify the cryptographic signature
$ gpg --verify <signature file> <downloaded iso>
To burn the downloaded ISO(s), you have to select raw-burning. How you
do this is highly program-dependent. We will discuss cdrecord and
K3B here; more information can be found in our Gentoo FAQ.
With cdrecord, you simply type cdrecord dev=/dev/hdc <downloaded
iso> (replace /dev/hdc with your CD-RW drive's device
With K3B, select Tools > Burn CD Image. Then you can locate
your ISO file within the 'Image to Burn' area. Finally click Start.
Booting the Universal Installation CD
Insert the Gentoo Installation CD in the CD-ROM and boot your system. During
startup, press Stop-A to enter OpenBootPROM (OBP). Once you are in the OBP,
boot from the CD-ROM:
Code Listing 3.3: Booting the Installation CD
ok boot cdrom
You will be greeted by the SILO boot manager (on the Installation CD). You can
hit Enter for more help if you want. Type in 2617 (if you have an FC-AL
machine; check the Hardware Compatibility
List) or 2620 (for everyone else) and press enter to continue
booting the system:
Code Listing 3.4: Continue booting from the Installation CD
Once the Installation CD is booted, you will be automatically logged on to the
You should have a root ("#") prompt on the current console. You will also find a
root prompt on the serial console (ttyS0).
Continue with Extra Hardware Configuration.
Extra Hardware Configuration
If not all hardware is supported out-of-the-box, you will need to load the
appropriate kernel modules.
In the next example we try to load the 8139too module (support for
certain kinds of network interfaces):
Code Listing 3.5: Loading kernel modules
# modprobe 8139too
Optional: User Accounts
If you plan on giving other people access to your installation
environment or you want to chat using irssi without root privileges (for
security reasons), you need to create the necessary user accounts and change
the root password.
To change the root password, use the passwd utility:
Code Listing 3.6: Changing the root password
To create a user account, we first enter their credentials, followed by
its password. We use useradd and passwd for these tasks.
In the next example, we create a user called "john".
Code Listing 3.7: Creating a user account
# useradd -m -G users john
# passwd john
You can change your user id from root to the newly created user by using
Code Listing 3.8: Changing user id
# su - john
Optional: Viewing Documentation while Installing
If you want to view the Gentoo Handbook (either from-CD or online) during the
installation, make sure you have created a user account (see Optional: User Accounts). Then press Alt-F2 to
go to a new terminal and log in.
If you want to view the documentation on the CD you can immediately run
links to read it:
Code Listing 3.9: Viewing the on-CD documentation
# links /mnt/cdrom/docs/handbook/html/index.html
However, it is preferred that you use the online Gentoo Handbook as it will be
more recent than the one provided on the CD. You can view it using links
as well, but only after having completed the Configuring your Network
chapter (otherwise you won't be able to go on the Internet to view the
Code Listing 3.10: Viewing the Online Documentation
# links http://www.gentoo.org/doc/en/handbook/2007.0/handbook-sparc.xml
You can go back to your original terminal by pressing Alt-F1.
Optional: Starting the SSH Daemon
If you want to allow other users to access your computer during the
Gentoo installation (perhaps because those users are going to help you
install Gentoo, or even do it for you), you need to create a user
account for them and perhaps even provide them with your root password
(only do that if you fully trust that user).
To fire up the SSH daemon, execute the following command:
Code Listing 3.11: Starting the SSH daemon
# /etc/init.d/sshd start
To be able to use sshd, you first need to set up your networking. Continue with
the chapter on Configuring your Network.
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