# Arch Linux 5.3.1 Installation
11.Okt. 2019


## Pre Requirements

### Download the ISO

Check the iso and the pgp fingerprint.
~~~bash
md5sum archlinux-2019.10.01-x86_64.iso
pacman-key -v archlinux-version-x86_64.iso.sig
~~~


### Create Live USB-Stick
~~~bash
dd bs=4M if=~/dwn/archlinux-2019.10.01-x86_64.iso of=/dev/sdb status=progress oflag=sync
~~~


start from uefi usb partition
~~~
loadkeys de-latin1
~~~

### Check inet conection
~~~bash
ip link
dhcpcd enpXXXXXX
ping -c3 archlinux.org
~~~

### Prepare ssh from antoher machine
~~~bash
passwd
ip addr show
systemctl start sshd.service
~~~

### Login to remote machine
~~~bash
ssh-keygen -R ipadress
ssh root@ipadress
~~~

## Create Filesystem
### Partition the table
create new gpt on nvme
~~~bash
gdisk /dev/nvme0n1
~~~

commands
~~~bash
n > enter > enter > +512M > ef00
n > enter > enter > enter > 8e00
w
~~~

### crypt setup
~~~bash
blkdiscard /dev/nvme0n1p2
modprobe dm-crypt
cryptsetup -c aes-xts-plain64 -y -s 512 luksFormat /dev/nvme0n1p2
cryptsetup luksOpen /dev/sda2 lvm --allow-discards
~~~

### logical volume
~~~bash
pvcreate /dev/mapper/lvm
vgcreate main /dev/mapper/lvm
lvcreate -L 30GB -n root main
lvcreate -l 100%FREE -n home main
~~~

### formating partitions
~~~bash
mkfs.fat -F 32 -n EFIBOOT /dev/nvme0n1p1
mkfs.ext4 -L p_arch /dev/main/root
mkfs.ext4 -L p_arch /dev/main/home
~~~

### mount partitions
~~~bash
mount -L p_arch /mnt
mkdir -p /mnt/boot
mount -L EFIBOOT /mnt/boot
mkdir /mnt/home
mount /dev/mapper/main-home  /hom
mount /dev/mapper/main-root /
~~~

## install base system
~~~bash
cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.bak
nano /etc/pacman.d/mirrorlist
grep -E -A 1 ".*Germany.*$" /etc/pacman.d/mirrorlist.bak | sed '/--/d' > /etc/pacman.d/mirrorlist
pacstrap /mnt base base-devel linux intel-ucode bash-completion neovim
~~~

### fstab erzeugen
overwrite fstab settings
~~~bash
genfstab -p /mnt > /mnt/etc/fstab
~~~

### system settings
~~~bash
arch-chroot /mnt/
echo myhost > /etc/hostname
echo LANG=de_DE.UTF-8 > /etc/locale.conf
nvim /etc/locale.gen
locale-gen
echo KEYMAP=de-latin1 > /etc/vconsole.conf
echo FONT=lat9w-16 >> /etc/vconsole.conf
ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
~~~

### Initramfs
change in /etc/mkinitcpio.conf
HOOKS=(base udev autodetect modconf block keyboard keymap encrypt lvm2 filesystems fsck shutdown)
~~~bash
mkinitcpio -p linux
~~~

### Bootloader GRUB
~~~bash
pacman -S efibootmgr dosfstools gptfdisk
grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=arch_grub --recheck --debug
mkdir -p /boot/grub/locale
cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
nvim /etc/default/grub
~~~
GRUB_CMDLINE_LINUX="cryptdevice=/dev/sda2:main root=/dev/mapper/main-root"

~~~bash
grub-mkconfig -o /boot/grub/grub.grub.cfg
exit
umount -R /mnt
reboot
~~~