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Summary: Standard Linux boot loader
- Enable support for device-mapper from sys-fs/lvm2
- Do not install the dolilo helper script
- Avoid character echo on PXE serial console
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Lilo linux loader is a boot loader to load linux, and other operating systems. Lilo is called by default when running make install in kernel source directories.
# emerge lilo
Lilo's default configuration example has hda references, lets change those to sda recursively using sed.
# sed -i -e 's/hda/sda/' /etc/lilo.conf.example
Now we copy the example configuration to the running configuration.
# cp /etc/lilo.conf.example /etc/lilo.conf
To change default booting os.
To have lilo auto start after a set time.
For silent kernel decompression at boot:
alternate init systems
to load an alternate init system, example systemd instead of openrc:
It is a good idea to keep an old image around in case problems crop up in new kernel builds.
Using symlinks is a good idea to be able to determine if the loader is loading the correct image, and enable tab auto completion to ensure we are loading what we intend to. symlinks remove an easy area to fumble when adjusting configurations.
First install of debian sources:
# ln -s /boot/kernel-debian-sources-* /boot/bzImage
If you have multiple debian sources installed and compiled, change the * to the exact file name.
# ln -s /boot/vmlinuz-version /boot/bzImage
# ln -s /boot/vmlinuz-version.old /boot/bzImage.old
if you do not use make install to copy your kernel to /boot, you must run lilo to load the new kernel images & install lilo to the hard drives mbr
Install lilo to the MBR.
problem: Fatal: First sector of /dev/sda1 doesn't have a valid boot signature solution: delete or comment out un-used blocks at the bottom of /etc/lilo.conf and just leave in the funtoo statements.