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Wednesday, March 31, 2010

linux on toshiba laptop
Install Command Line Ubuntu

UPDATE 6/24/2008: I have received reports that, as of Ubuntu 8.04, although the graphical install still doesn't work "out of the box", you can do a normal install. Then, when rebooting, choose "error mode" to boot to command-line mode, edit the xorg.conf file as described below, then reboot graphically.
Ubuntu is a popular and friendly variant of the Debian Linux distribution. Normally, installation can be accomplished with a handful of mouse clicks. However, because the installer has a bug related to the video chip in this machine, you will need to install a command-line version first. Use of the regular installer will result in a freeze when you get to the point where the installer starts configuring the windowing system (X). The procedure is a bit cumbersome, but I haven't found an easier way.
Download and Burn the Alternate Desktop CD: You will need to perform a command-line installation which is only available on the "Alternate Desktop CD". You specify this CD with a checkbox on the Ubuntu download page. The downloaded file is a CD disk image (ISO) that you should burn to a CD using your CD burning software of choice.
Boot the Installation CD: Insert the installation CD in the CD drive and reboot. If the machine ignores the CD and boots from the hard drive, you need to change your BIOS boot order by holding down the ESC key while rebooting and changing the boot order on the BIOS screen so that the CD drive is first in the order list.
Install A Command-Line System: At the Ubuntu boot screen, you should choose the option, "Install a command-line system" and press RETURN. You will be asked a series of questions...
I'm trying to install RHEL4.3 (CentOS to be exact) from an external USB DVD drive. The CD boots fine, I choose 'Local CDROM' as the installation source, load 'usb-storage' successfully. However, after this, I get told that the system was not found in any of my CDROMs.
After some thought and research I believe that in this instance that a USB DVD drive is considered as unbootable since the required drivers are not installed via an initrd. You need to burn the boot.iso form the Centos disk in order to install. For reference with this and a how-to see:
Like Fedora Core, Centos must the booted using "linux expert" (do not use the "") in order for the installer to see the USB drives when installing to a USB drive. It may be that to install from one you should do the same. What you need to do is insure that the USB drivers are installed. There are four that are used most of the time:
ehci-hcd, usb-storage, scsi_mod and sd_mod
These work for USB 2.0 for 1.0 you also need uhci-hcd and in some cases ohci-hcd. These two not very often.
"linux expert"
This is a how to about Fedora Core of which Centos is based on.
This works without any other effort. Just type in linux expert and press enter. It finds your CD and continues on.
I tested this on a DL140 G2, with a USB DVD drive and CentOS 4.3 Server CD.

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