View source for Gentoo:Installation

Reinstall gentoo record:
=prepare disk=
<pre>
Disk /dev/sdb: 223.6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 19FC4662-CDC6-44A2-A78B-717085B89743

Device         Start       End   Sectors  Size Type
/dev/sdb1       2048    616447    614400  300M Windows recovery environment
/dev/sdb2     616448    821247    204800  100M EFI System
/dev/sdb3     821248   1083391    262144  128M Microsoft reserved
/dev/sdb4    1083392 168855551 167772160   80G Microsoft basic data
/dev/sdb5  168855552 378570751 209715200  100G Microsoft basic data
/dev/sdb6  378570752 378775551    204800  100M Linux filesystem
/dev/sdb7  378775552 382969855   4194304    2G Linux swap
/dev/sdb8  382969856 403941375  20971520   10G Linux filesystem
/dev/sdb9  403941376 468862094  64920719   31G Linux filesystem
</pre>
delete existing file system.
<source lang="bash">
mount /dev/sdb9 /mnt/gentoo
rm -rf /mnt/gentoo/*
mkdir home boot
mount /dev/sdb6 /mnt/gentoo/boot
mount /dev/sdb8 /mnt/gentoo/home
rm -rf /mnt/gentoo/boot/*
</source>
Optional:format file systems(/boot and / partition, no necessary to format /home partition)
<source lang="bash">
mkfs.ext2 /dev/sdb6
mkfs.ext4 /dev/sdb9

e2label /dev/sdb6 boot
e2label /dev/sdb9 gentoo
mount /dev/sdb9 /mnt/gentoo/
cd /mnt/gentoo/
mkdir boot home
mount /dev/sdb6 /mnt/gentoo/boot/
mount /dev/sdb8 /mnt/gentoo/home/
</source>

=stage3=
[[Gentoo:安装Stage3]]
the [http://mirrors.sohu.com/gentoo/releases/amd64/autobuilds/current-stage3-amd64/ sohu mirror] seems to be wrong.
<source lang="bash">
cd /mnt/gentoo
wget http://mirrors.163.com/gentoo/releases/amd64/autobuilds/current-stage3-amd64/stage3-amd64-20161229.tar.bz2
sha512sum stage3-amd64-20161229.tar.bz2
cat stage3-amd64-20161229.tar.bz2.DIGESTS

tar xvjpf stage3-*.tar.bz2 --xattrs
</source>
then edit /etc/portage/make.conf
<source lang="lua">
CFLAGS="-march=native -O2 -pipe"
MAKEOPTS="-j9"
...
USE="bindist X dbus -gtk -gnome -qt3support -ldap"
CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"
INPUT_DEVICES="evdev"
VIDEO_CARDS="intel nvidia"
...
GENTOO_MIRRORS="http://mirrors.163.com/gentoo/"
</source>
then mount system and chroot to new system:
<source lang="bash">
cp -L /etc/resolv.conf /mnt/gentoo/etc/
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
export PS1="(chroot) $PS1"
</source>

then update protage, and set a plamsa profile.
<source lang="bash">
emerge-webrsync
eselect profile list
eselect profile set 8
</source>
edit /etc/locale.gen
<source lang="lua">
en_US ISO-8859-1
en_US.UTF-8 UTF-8
zh_CN.UTF-8 UTF-8
</source>
and regenerate locale:
<source lang="bash">
locale-gen
eselect locale list
eselect locale set 6
echo "Asia/Shanghai" > /etc/timezone
emerge --config sys-libs/timezone-data

env-update && source /etc/profile && export PS1="(chroot) $PS1"
</source>

=kernel=
<source lang="bash">
emerge --ask gentoo-sources:4.4.39
</source>
it's better to open another terminal(not the chroot one) and config the kernel in X mode.
*https://wiki.gentoo.org/wiki/NVidia/nvidia-drivers
*https://wiki.gentoo.org/wiki/Xorg/Guide
*https://wiki.gentoo.org/wiki/NVIDIA/Optimus
then make the kernel
<source lang="bash">
make && make modules_install
make install

emerge --ask sys-kernel/genkernel
genkernel --install initramfs
cd /boot
mv initramfs-genkernel-x86_64-4.4.39-gentoo initramfs-4.4.39-gentoo 
</source>
=tools=
edit host name and set clock to local, then change the root passwd:
<source lang="bash">
nano -w /etc/conf.d/hostname
nano -w /etc/conf.d/hwclock

passwd

emerge --ask app-admin/sysklogd
rc-update add sysklogd default
emerge --ask net-misc/dhcpcd
</source>
=fstab=
=umount and reboot into new system=
<source lang="bash">
umount -l /mnt/gentoo/dev
umount /mnt/gentoo/boot  
umount /mnt/gentoo/proc
umount /mnt/gentoo/sys
umount /mnt/gentoo/home 
umount /mnt/gentoo
</source>

=tools=
<source lang="bash">
emerge --ask eix
emerge --ask gentoolkit 
</source>
=xorg-server=
<source lang="bash">
emerge --ask x11-base/xorg-server
emerge --ask twm xterm xclock
env-update && source /etc/profile
emerge --ask kde-plasma/plasma-meta
emerge --ask x11-misc/sddm

useradd -m -G users,wheel,audio,video -s /bin/bash riguz
passwd riguz

sddm --example-config > /etc/sddm.conf
emerge --ask wqy-microhei
</source>

<pre>
/etc/conf.d/xdm
DISPLAYMANAGER="sddm"
</pre>

<source lang="bash">
/etc/init.d/xdm start
</source>
[[Category:Linux/Unix]]