Linux - NewbieThis Linux forum is for members that are new to Linux.
Just starting out and have a question?
If it is not in the man pages or the how-to's this is the place!
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
Click Here to receive this Complete Guide absolutely free.
i just finished "installing" gentoo using the genkernel option... now after i rebooted the system, i get a "The root block device is unspecified or not detected!" ... "Please specify a device to boot, or "shell" for a shell"..
what do i need to do? do i have to do the install all over again??
please help! it took me a long time... i hope i dont have to do it all over again
Boot off the install cd, remount your partitions (remount, NOT reformat), and double check the "installing a bootloader" part of the installation. It sounds like you forgot the root=/dev/hdxy (where x and y correspond to your / partition) in the grub.conf on the kernel line.
Then you either did something wrong mounting the parititons or you did something wrong in the original installation and not everything got installed correctly. Did you follow the handbook closely when you did the initial isntall?
The kernel and linux in general uses tags like this, hda1, hda2, ect. The root=/dev/hda3 line is being passed into the kernel. When you see things like root (hd0,0) in grub.conf that is refereing to the grub device id's. Grub handles them differently. For instance, the first hard drive on the system's first partition is (hd0,0). The first harddrives 2nd partition is (hd0,1). The 2nd harddrives 3rd partition would be (hd1,2) and so on. Grub itself is the only thing that understands this. The tags in grub aren't tied to a particular bus. If I have a IDE HD and a SCSI HD and the IDE HD is usually hd0 removing it would then cause the SCSI HD to become hd0.
Can you show us your /boot/grub/grub.conf (or /boot/grub/menu.lst) file?