Red Hat APPLICATION STACK 1.2 RELEASE Manual de usuario descargar pdf (Pagina 18)

Chapter 2. Installation

default. If you do not wish to use the mirrorlist URL, either add repo=your-installation-source or add

askmethod to the installer boot parameters. The askmethod option causes the source selection

screen to appear as it did in previous releases.

• When PXE booting and using a .iso file mounted via NFS for the installation media, add

repo=nfs:server:/path/ to the command line. The install.img file also needs to be

extracted and/or placed into the nfs:server:/path/images/ directory.

• Some systems with multiple network interfaces may not assign eth0 to the first network interface

as recognized by the system BIOS. This can cause the installer to attempt to use a different

network interface than was initially used by PXE. To change this behavior, use the following in

pxelinux.cfg/* configuration files:

IPAPPEND 2 APPEND

ksdevice=bootif

• This configuration option causes the installer to use the same network interface as the system BIOS

and PXE use. You can also use the following option, which will cause the installer to use the first

network device it finds that is linked to a network switch:

ksdevice=link

2.3. Text-Based Installer

The text-mode installation option in Red Hat Enterprise Linux 6 is significantly more streamlined than

it was in earlier versions. Text-mode installation now omits the more complicated steps that were

previously part of the process, and provides you with an uncluttered and straightforward experience.

This section describes the changes in behavior when using the text-based installer:

• Anaconda now automatically selects packages only from the base and core groups. These

packages are sufficient to ensure that the system is operational at the end of the installation

process, ready to install updates and new packages.

• Anaconda still presents you with the initial screen from previous versions that allows you to specify

where anaconda should install Red Hat Enterprise Linux on your system. You can choose to use

a whole drive, to remove existing Linux partitions, or to use the free space on the drive. However,

anaconda now automatically sets the layout of the partitions and does not ask you to add or delete

partitions or file systems from this basic layout. If you require a customized layout at installation

time, you should perform a graphical installation over a VNC connection or a kickstart installation.

More advanced options, such as logical volume management (LVM), encrypted filesystems, and

resizable filesystems are still only available only in graphical mode and kickstart.

• Anaconda now performs bootloader configuration automatically in the text-based installer.

• Text-mode installations using kickstart are carried out in the same way that they were in previous

versions. However, because package selection, advanced partitioning, and bootloader configuration

are now automated in text mode, anaconda cannot prompt you for information that it requires during

these steps. You must therefore ensure that the kickstart file includes the packaging, partitioning,

and bootloader configurations. If any of this information is missing, anaconda will exit with an error

message.

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Red Hat APPLICATION STACK 1.2 RELEASE Manual de usuario Pagina 18