手册：SPARC/安装/配置系统引导程序Bootloader

SPARC Handbook
安装
关于安装
选择安装媒介
配置网络
准备磁盘
安装stage3
安装基本系统
配置Linux内核
配置系统
安装系统工具
配置系统引导程序Bootloader
收尾安装工作
使用Gentoo
Portage介绍
USE标记
Portage功能特性
初始化脚本（Initscript）系统
环境变量
使用Portage
文件和目录
变量
混合使用不同的软件分支
额外的工具
定制Portage树
高级特性
网络配置
入门
高级配置
模块化网络
无线
添加功能
动态管理

SILO, the SPARC bootloader

Now install and configure SILO, the Sparc Improved boot LOader.

root #emerge --ask sys-boot/silo

Next create /etc/silo.conf:

root #nano -w /etc/silo.conf

Below an example silo.conf file is shown. It uses the partitioning scheme we use throughout this book, kernel-3.16.5-gentoo as kernel image and initramfs-genkernel-sparc64-3.16.5-gentoo as initramfs.

FILE /etc/silo.confExample configuration file

partition = 1         # Boot partition (= root partition)
root = /dev/sda1      # Root partition
timeout = 150         # Wait 15 seconds before booting the default section
  
image = /boot/kernel-3.16.5-gentoo
  label = linux
  append = "initrd=/boot/initramfs-genkernel-sparc64-3.16.5-gentoo root=/dev/sda1"

When using the example silo.conf file as delivered by Portage, be sure to comment out all lines that aren't needed.

If the physical disk on which to install SILO (as bootloader) differs from the physical disk on which /etc/silo.conf resides, then first copy over /etc/silo.conf to a partition on that disk. If /boot/ is a separate partition on that disk, copy over the configuration file to /boot/ and run /sbin/silo:

root #cp /etc/silo.conf /boot

root #/sbin/silo -C /boot/silo.conf

/boot/silo.conf appears to be valid

Otherwise just run /sbin/silo:

root #/sbin/silo

/etc/silo.conf appears to be valid

Note
Run silo (with parameters if necessary) again each time after updating or installing the sys-boot/silo package.

重启系统

退出chroot环境并unmount全部已持载分区。然后敲入一条有魔力的命令来初始化最终的、真实的测试：reboot。

root #exit

cdimage ~#cd

cdimage ~#umount -l /mnt/gentoo/dev{/shm,/pts,}

cdimage ~#umount -R /mnt/gentoo

cdimage ~#reboot

当然，别忘了移除可引导CD，否则可能再次从CD启动，而不是新的Gentoo系统。

当重启进全新安装的Gentoo环境，继续完成结束Gentoo安装。

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