gentoo_install

# this is how to install gentoolinux (my first attempt) on qemu
# Soures : https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation

------------------------parted----------------------------------
parted -a optimal /dev/vdb
mklabel gpt
unit mib

#creating 2MB primary part
mkpart primary 1 3 
name 1 grub
set 1 bios_grub on
# to see changes
print

# creating 128MB boot part
mkpart primary 3 131
name 2 boot
set 2 boot on

# creating 512MB swap part
mkpart primary 131 643
name 3 swap

# creating root partion on the rest space -1MB from the end
mkpart primary 643 -1
name 4 rootfs


---------------------filesystems--------------------------------
mkfs.fat -F 32 /dev/vdb2 # efi boot part
mkfs.ext4 /dev/vdb3 # root part
mkswap /dev/vdb3
swapon /dev/vdb3

---------------------mount root---------------------------------
mount /dev/vdb4 /mnt/gentoo
# verify time so that ssl/tls work during download
date

# if wrong time or date set it ntp server
# this will send public ip to server !!!!
ntpd -q -g

# or manually
date MMDDhhmmYYYY
date 051602162020

--------------------stage download------------------------------
cd /mnt/gentoo
links https://www.gentoo.org/downloads/mirrors/
# then select a mirror "Germany" in my case
# let the download finish and extract with
tar xpvg stage*.tar.bz2 --xattrs-include='*.*' --numeric-owner

--------------------compile flags-------------------------------
# no need to modify /mnt/gentoo/etc/portage/make.conf
# unless you know what you are doing "compile flags" |
# https://gcc.gnu.org/onlinedocs/		    <=

--------------------source mirror-------------------------------
mirrorselect -i -o >> /mnt/gentoo/etc/portage/make.conf
#select a mirror to download the source code "Germany"

--------------------?????????????-------------------------------
mkdir --parents /mnt/gentoo/etc/portage/repos.conf/
cd /mnt/gentoo/usr/share/portage/config/repos.conf /mnt/gentoo/etc/portage/repos.conf/gentoo.conf

--------------------copy dns------------------------------------
cp -L /etc/resolv.cong /mnt/gentoo/etc/resolv.conf

--------------------chrooting-----------------------------------
# '/proc/, /sys/, /dev/' need to be mounted
# to the repective folders in the '/mnt/gentoo' folder wich is
# going to be the now root '/'

mount --types 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

# '--rbind' or '-R' for mounting in two places simultaneously
# '--make-rslave' is for systemd support

# change the root to /mnt/gentoo
chroot /mnt/gentoo /bin/bash
# load shell config to memory
source /etc/profile
#change prompt to know that you are in chroot
export PS1="(chroot) ${PS1}"

-------------------mounting boot--------------------------------
mount /dev/vdb2 /boot/


-------------------portage config-------------------------------
# to sync portage repos :
# if behind a firewall use :
emerge-webrsync # this uses 'http/ftp'

# if not use :
emerge --sync

# selecting a profile :
eselect profile list
#choos the same profile as the stage*.tar.bz2 package :
eselect profile set [number]

# updating '@world set'
emerge --ask --update --verbose --deep --newuse @world


-------------------gentoo licenses------------------------------
# by default gentoo accepts only @FREE licenses, see :
portageq envvar ACCEPT_LICENSE
# there are many licenses see the gentoo wiki


--------------------timezones-----------------------------------
# choose a time zone from :
ls /usr/share/zoneinfo
echo "time/zone" > /etc/timezone
emerge --config sys-libs/timezone-data

------------------------locales---------------------------------
# choose a locale from :
nano /usr/share/i18n/SUPPORTED
echo "en_US.UTF-8 UTF-8" > /etc/local.gen
locale-gen

# now setting a system wide locale :
# choose from :
eselect locale list
eselect locale set [num] # this will set /etc/env.d/02locale
			 # to LANG="en_US.UTF-8 UTF-8"

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

------------------------kernel-----------------------------------