Installer boot options:
During the very first screen of installation, we can enter few of the boot options as well. These options are detailed here under:
Option Details
linux noprobe Starts installation without automatic hardware detection, you have to select the drivers for any SATA / SCSI disks or LAN cards.
linux mediacheck Starts installation process with prompt for checking integrity of media.
linux rescue It starts linux in rescue mode that tries to detect current Linux installation.
linux dd Starts installation process with prompt for driver CD.
linux askmethod Starts installation process that allows you to select from local or network installation.
linux updates It starts upgrade from custom disk.
linux lowers It starts installation in low graphic resolution mode, which is called the VGA mode.
Kickstart installations: what and why they are?
Many a times the system administrators like to use automated method of Linux installation for their network computers, especially when they are installing Red Hat Linux on multiple computers. For this need, Red Hat has developed the kickstart installation. With kickstart, the administrators can save lot of time installing and customizing Linux on every computer. With this, we can manage the installation of package groups or even individual RPM packages on each of our computers. For this automation, the administrator has to create one file, which contains all the answers, which are asked generally at the time of installation. Then these files are kept at the central server system for the individual computer systems to read from, during the installation. When we install Red Hat Linux, Anaconda places a default Kickstart file, named anaconda-ks.cfg in /root directory.
Steps in performing Kickstart installation:
Kickstart installation can be performed using local hard disk, local CD ROM or through FTP, NFS or HTTP. For this to happen we must follow the following:
For server end:
1. Make the installation file available (Install server)
For client end:
2. Create a kickstart file
3. Make the kickstart file available over the network or
create one boot media with kickstart file
4. Booting the kickstart installation
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