4.2. The installation
To install glibc you need a system with nothing running on it,
since many processes (for example sendmail) always try to use the
library and therefore block the files from being replaced.
Therefore we need a "naked" system, running nothing except
the things we absolutely need. You can achieve this by passing
the boot option
to your kernel. Depending on
your bootloader you may need to do different things. In the following I will explain this using the two most common bootloaders, LILO (LInux-LOader)
and GNU grub, as examples.
4.2.1. LILO
To start the "only-basics" system, reboot your computer and
at the LILO prompt enter the kernel image-name you like to load and
append
to it before pressing
Return.
If you are planing to replace your glibc more often, it might be a
good idea to add a separate configuration to your
/etc/lilo.conf. For details, refer to the man-page of LILO.
4.2.2. Grub
Grub is a newer bootloader, with enhanced support for different
operating systems and and file system types (eg. it supports booting from
reiserfs partitions). If you would like to know more go to:
http://www.gnu.org/software/grub/, where you will find all the stuff you need.
If you already have Grub installed, you probably use the
text-based front-end to select the kernel you prefer to boot. Grub
has a nice feature—instead of returning to doing everything by
hand, you can simply select your entry and type e, which will
bring up an option menu. In this menu you will see the commands Grub
executes prior to booting the kernel. Simply select the line saying
kernel="/where/your-kernel-is and-options-are" |
and press
e again. Now you can edit this line. Here you just add
and after pressing
Return to
make the changes take effect, press
b to start booting.
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