Gentoo安装小记

# Disk plan　　# 参考，实际仅在现有分区安装测试
/EFI		EFI
/boot	vfat/ext2　　# 分离boot、efi分区，用于BIOS & UEFI共享启动分区
/		ext4
/home	ext4
/usr		ext4　　　　# 分离usr，用于通过验证后迁移至较小的固态盘
#/var	ext4　　　　# 暂不需要
swap		swap

# Download stage3 && verify by sha512sum

tar xvjpf stage3-*.tar.bz2 --xattrs　　# p、--xattrs选项用于保持原有权限

# /etc/portage/make.conf
#CFLAGS="-march=native -O2 -pipe"
#CXXFLAGS="${CFLAGS}"#MAKEOPTS="-j3"

# Select repo mirrors
mirrorselect -i -o >> /mnt/gentoo/etc/portage/make.conf
mkdir /mnt/gentoo/etc/portage/repos.conf
cp /mnt/gentoo/usr/share/portage/config/repos.conf /mnt/gentoo/etc/portage/repos.conf/gentoo.conf

# /etc/resolv.conf
cp -L /etc/resolv.conf /mnt/gentoo/etc/

# Mount all dir && chroot to new env
mount /dev/sdb4 /mnt/gentoo
mount /dev/sdb3 /mnt/gentoo/boot
mount -t proc proc /mnt/gentoo/proc
mount --rbind /sys /mnt/gentoo/sys
mount --make-rslave /mnt/gentoo/sys
mount --rbind /dev /mnt/gentoo/dev
mount --make-rslave /mnt/gentoo/dev

chroot /mnt/gentoo /bin/bash
#source /etc/profile
#PS1="(chroot) $PS1"

# Config portage
emerge-webrsync
emerge --sync

# Select profile
eselect profile list/set
#emerge --ask --update --deep --newuse @world

# Config USE /etc/portage/make.conf

# Config time area
echo "Asia/Shanghai" > /etc/timezone
emerge --config sys-libs/timezone-data

# Config language support /etc/locale.gen & /etc/env.d/02locale
locale-gen
eselect locale list/set

# Complie kernel　　# OpenRC，VM，文件系统:ext2、ext4、vfat、ntfs
emerge --ask sys-kernel/gentoo-sources
#emerge --ask sys-apps/pciutils
cd /usr/src/linux
make menuconfig
make && make modules_install
make install

mkdir -p /boot/efi/boot		# 官方内容
cp /boot/vmlinuz-* /boot/efi/boot/bootx64.efi

# Create initramfs
emerge --ask sys-kernel/genkernel	# Use to create initramfs file or auto compile kernel
genkernel --install initramfs

# Install Grub2
emerge --ask sys-boot/grub:2	# MBR
grub2-install /dev/sda

echo GRUB_PLATFORMS="efi-64" >> /etc/portage/make.conf	# UEFI
emerge --ask sys-boot/grub:2
#emerge --ask --update --newuse --verbose --ask sys-boot/grub:2
grub2-install --target=x86_64-efi --efi-directory=/boot

grub2-mkconfig -o /boot/grub/grub.cfg

# Config init env
/etc/fstab
/etc/conf.d/hostname
/etc/conf.d/net		# Set config_eth0= && routes_eth0=
	ln -s net.lo net.eth0
	rc-update add net.eth0 default
#/etc/rc.conf
#/etc/conf.d/keymaps
#/etc/conf.d/hwclock

# Sys tools "*Syslogd *dhcpcd cronie mlocate ..."
#emerge --ask sys-kernel/linux-firmware
emerge --ask app-admin/sysklogd		# Syslog
	rc-update add sysklogd default
emerge --ask net-misc/dhcpcd
emerge --ask --noreplace net-misc/netifrc	# Net tools
emerge --ask sys-apps/pcmciautils

# Exit && reboot to new OS
#umount -l /mnt/gentoo/dev{/shm,/pts,}
#umount /mnt/gentoo{/boot,/sys,/proc,}
#reboot

# References:https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installationhttp://www.jinbuguo.com/kernel/longterm-3_10-options.html　　# 内核选项