引言
Gentoo Linux是一款基于源代码编译的操作系统，以其高度可定制性和灵活性而闻名。掌握Gentoo Linux的安装和分区对于希望深入了解Linux系统的用户来说至关重要。本文将详细介绍Gentoo Linux的分区策略和安装过程，帮助您顺利完成安装。
分区策略
在安装Gentoo Linux之前，选择合适的分区策略是非常重要的。以下是一个推荐的分区方案：
1.
/boot
分区
大小：推荐至少1GB，根据系统需求可能需要更多。
类型：ext4或btrfs。
用途：存放内核和引导加载器。
2.
/
分区
大小：至少20GB，根据您的需求可能需要更多。
类型：ext4或btrfs。
用途：存放系统文件和应用程序。
3.
/home
分区
大小：根据个人需求，通常至少50GB。
类型：ext4或btrfs。
用途：存放用户数据和配置文件。
4.
/var
分区
大小：至少10GB，根据系统需求可能需要更多。
类型：ext4或btrfs。
用途：存放日志文件、缓存和其他变量数据。
5.
/tmp
分区
大小：至少1GB。
类型：tmpfs。
用途：临时文件存放。
6.
/swap
分区
大小：至少等于物理内存的2倍。
类型：swap。
用途：虚拟内存。
安装过程
1. 准备安装环境
下载Gentoo Linux安装镜像。
将镜像写入USB或CD/DVD。
将USB或CD/DVD连接到待安装的计算机。
2. 引导到安装环境
重启计算机，并从USB或CD/DVD引导。
进入Gentoo Linux安装环境。
3. 分区
使用
fdisk
或
parted
等工具进行分区。
使用
mkfs
命令格式化分区。
4. 创建挂载点
mount /dev/sda1 /boot
mount /dev/sda2 /mnt
mount /dev/sda3 /mnt/home
mount /dev/sda4 /mnt/var
mount /dev/sda5 /mnt/tmp
5. 配置基系统
安装基系统包：
emerge –ask sys-kernel/gentoo-sources
。
配置
/etc/fstab
文件。
配置网络：
rc-update add network default
。
配置时区：
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
。
6. 安装引导加载器
安装GRUB：
emerge –ask sys-boot/grub:2
。
配置GRUB：
grub-install /dev/sda
。
7. 安装内核
编译内核：
make menuconfig
，根据需要配置内核。
安装内核：
make modules_install install
。
8. 安装基本系统工具
安装基本工具：`emerge –ask sys-boot/grub:2 sys-boot/grub-utils sys-process/psmisc sys-apps/less sys-apps/sed sys-apps/findutils sys-apps/grep sys-apps/coreutils sys-apps/iproute2 sys-apps/dosfstools sys-apps/e2fsprogs sys-apps/lsblk sys-apps/mount sys-apps/net-tools sys-apps/iputils sys-apps/sudo sys-auth/pam sys-auth/sss sys-libs/ncurses sys-libs/ncurses-terminfo sys-libs/ncurses-compat-libs sys-libs/ncurses-libs sys-libs/ncurses-utils sys-libs/ncurses-term sys-libs/ncurses-wc sys-libs/ncurses-wcurses sys-libs/ncurses-wcurses-terminfo sys-libs/ncurses-wcurses-compat-libs sys-libs/ncurses-wcurses-libs sys-libs/ncurses-wcurses-utils sys-libs/ncurses-term sys-libs/zlib sys-libs/ncurses-compat-libs sys-libs/ncurses-libs sys-libs/ncurses-term sys-libs/ncurses-wc sys-libs/ncurses-wcurses sys-libs/ncurses-wcurses-terminfo sys-libs/ncurses-wcurses-compat-libs sys-libs/ncurses-wcurses-libs sys-libs/ncurses-wcurses-utils sys-libs/ncurses-term sys-libs/zlib sys-process/psmisc sys-process/procps 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