Arch Install

wget http://archlinux.uk.mirror.allworldit.com/archlinux/iso/2024.01.01/archlinux-2024.01.01-x86_64.iso
sudo dd if=/path/to/archlinux-2024.01.01-x86_64.isotimen83 of=/dev/sdX status=progress
iwctl
[iwd]# station wlan0 connect SSID
exit or ctrl+d
ping archlinux.org
timedatectl set-timezone Europe/Dublin

used fdisk to create 2 partitions

sda1 ext4 /boot type 83 (and make it bootable)
sda2 ext4 LVM - type 8e
cryptsetup luksFormat /dev/sda2
cryptsetup luksOpen /dev/sda2 luks
pvcreate /dev/mapper/luks
vgcreate vg0 /dev/mapper/luks
lvcreate -L 8G vg0 -n swap # make it double size of your ram
lvcreate -L 40G vg0 -n root
lvcreate -l 100%FREE vg0 -n home
mkswap /dev/mapper/vg0-swap
mkfs.ext4 /dev/mapper/vg0-home
mkfs.ext4 /dev/mapper/vg0-root
mkfs.ext4 /dev/sda1
mount /dev/mapper/vg0-root /mnt
mkdir -p /mnt/{boot,home}
mount /dev/mapper/vg0-home /mnt/home
mount /dev/sda1 /mnt/boot
swapon /dev/mapper/vg0-swap
pacstrap /mnt base vim lvm2 linux linux-firmware
pacman -Sy archlinux-keyring
genfstab -U /mnt >> /mnt/etc/fstab
arch-chroot /mnt
timedatectl set-timezone Europe/Dublin
hwclock --systohc --utc
echo arch > /etc/hostname
vim /etc/locale.gen
# uncomment:
# en_US.UTF-8 UTF-8

then run

locale-gen

then

echo LANG=en_US.UTF-8 > /etc/locale.conf
echo LANGUAGE=en_US >> /etc/locale.conf
echo LC_ALL=C >> /etc/locale.conf
passwd root
vim /etc/mkinitcpio.conf
# and add 'encrypt lvm2' before 'filesystem' 
HOOKS="base udev autodetect modconf kms keyboard keymap consolefont block encrypt lvm2 filesystems fsck"

then run

mkinitcpio -P
pacman -S grub networkmanager sudo
grub-install --target=i386-pc /dev/sda
GRUB_PRELOAD_MODULES='lvm'
GRUB_CMDLINE_LINUX="cryptdevice=/dev/sda2:luks"

and run following to regenerate grub config file

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

After install steps

systemctl enable --now NetworkManager
nmtui
pacman -S bash-completion xorg-server
pacman -S xorg-xinit xorg-xkill
pacman -S xterm firefox
pacman -S i3-wm i3lock i3status dmenu network-manager-applet
pacman -S lightdm lightdm-gtk-greeter
systemctl enable lightdm
reboot
useradd -m karcio
passwd karcio
### add user to sudo
su - karcio
echo "exec i3" >> ~/.xinitrc
sudo pacman -S pulseaudio pulseaudio-alsa alsa-utils
sudo pacman -S notification-daemon libnotify

then edit /usr/share/dbus-1/services

sudo vim /usr/share/dbus-1/services/org.freedesktop.Notifications.service

and add following lines:

[D-BUS Service]
Name=org.freedesktop.Notifications
Exec=/usr/lib/notification-daemon-1.0/notification-daemon
sudo pacman -S ttf-font-awesome terminus-font ttf-dejavu
sudo pacman -S cronie
sudo systemctl enable --now cronie.service
sudo pacman -S feh
sudo pacman -S git alacritty mc zip unzip

Install with uefi: https://blog.bespinian.io/posts/installing-arch-linux-on-uefi-with-full-disk-encryption/