Steps i followed to install arch + i3

Install i3 on arch.sh

timedatectl set-ntp true
timedatectl set-timezone Europe/Bucharest

fdisk /dev/sda
########################################
n 1G pentru /boot /dev/sda1
a - Flag it as bootable

n - 4G pentru swap /dev/sda3
n - 70G pentru / /dev/sda2
n - restul pentru /home /dev/sda4
########################################

mkfs.ext4 /dev/sda1

# For swap
mkswap /dev/sda3
swapon /dev/sda3

# Example usage
# systemctl enable service

# In arch:

# Don't forget to generate the grub config file:
grub-mkconfig -o /boot/grub/grub.cfg

## The config files for all thos programs are here:
## https://github.com/chreniuc/dotfiles
pacman -Sy i3
pacman -Sy xorg-server xorg-xinit
pacman -S ttf-dejavu ttf-font-awesome dmenu

# Network manager and applet
pacman -Sy networkmanager network-manager-applet gnome-keyring # Last one is for the nm-applet to ask password for wifis
systemctl enable NetworkManger

# Bluetooth and wifi
#https://gist.github.com/ChrisTimperley/7f08117e7934122fb1d626fa6b725535

# Sound
pacman -S pulseaudio pulseaudio-alsa pavucontrol  --noconfirm --needed
pacman -S alsa-utils alsa-plugins alsa-lib alsa-firmware --noconfirm --needed

# Login greeeter
pacman -S lightdm
pacman -S lightdm-gtk-greeter
pacman -Sy oblogout # logout, reboot, etc gui
systemctl enable lightdm.service
# In /etc/lightdm/lightdm.conf

###################################
#[Seat:*]
#...
#greeter-session=lightdm-gtk-greeter
#...
####################################

# autostart systemd default session on tty1
# Add this to /etc/profile
if [[ "$(tty)" == '/dev/tty1' ]]; then
    exec startx
fi

# Start i3
# Optional
# Copy content from /etc/.xinitrc to ~/.xinitrc
# Add this line:
exec i3

# File manager 
pacman -S pcmanfm gvfs xarchiver # xarchiver - to be able to extract using right click

# Theme manager and themes(icons)
pacman -Sy lxappearance
pacman -Sy arc-gtk-theme

git clone https://aur.archlinux.org/papirus-icon-theme-git.git
cd papirus-icon-theme-git
makepkg -sric

# Background image
pacman -Sy feh
feh --bg-scale /path/to/img
# or in ~/.config/i3/config
exec --no-startup-id feh --bg-scale /path/to/img
# use exec_always if you want to run the command each time you restart i3. 
# exec will only run once.

# Transparent terminal
pacman -Sy urxvt-unicode urxvt-perls
pacman -Sy compton # this does the transparency
# Add in ~/.config/i3/config
exec--no-startup-id compton -b

# Power manager + lock screen
pacman -Sy xfce-power-manager light-locker
# Add in ~/.config/i3/config
exec --no-startup-id xfce4-power-manager
exec --no-startup-id light-locker

# Brightness manager
git clone https://aur.archlinux.org/light-git.git
cd light-git
makepkg -sric
# Add in ~/.config/i3/config
bindsym XF86MonBrightnessUp exec --no-startup-id light -A 5 # increase screen brightness
bindsym XF86MonBrightnessDown exec --no-startup-id light -U 5 # decrease screen brightness
# When the brightness is 0 or 100 the screen will go black on some pcs, if you raised the brightness decrease it to recover.

# Notify manager
# Or this https://github.com/sboli/twmn
pacman -Sy notify-osd
# or
# More customizable : https://github.com/dunst-project/dunst
pacman -Sy dunst
# Change the config
mkdir ~/.config/dunst
cp /usr/share/dunst/dunstrc ~/.config/dunst/dunstrc
# Test it
notify-send "Hi! This is a test"
# A notification should appear in the right corner

####
# Control + grave : C-` : Show history of notifications
# Control + Space : Close notification
# Control + Shift + period : Opens the link from the notification in broswer

########################################## Utils ################################################################
pacman -S git bash-completion tk # tk is used by gitk

# File editor
pacman -S gedit vim gedit-plugins

# Install skype
git clone https://aur.archlinux.org/skypeforlinux-stable-bin.git
# or the latest version
git clone https://aur.archlinux.org/skypeforlinux-preview-bin.git
cd skypeforlinux-stable-bin/
makepkg -sric

# qtcreator
pacman -S qtcreator

# Docker
pacman -Sy docker
#enable docker at startup
sudo systemctl enable docker
sudo systemctl start docker
# add user to group docker
gpasswd -a user docker
# Reboot to work
docker run --rm=true hello-world

# xhost
pacman -Sy xorg-xhost
# Used when you want to forward X server
# Eg: xhost +

# SSH
sudo pacman -Sy openssh
sudo systemctl enable sshd
sudo systemctl start sshd

# X2goServer + Client
sudo pacman -Sy x2goserver x2goclient
#Create db for x2go
sudo x2godbadmin --createdb
# Start service
sudo systemctl enable x2goserver.service
sudo systemctl start x2goserver.service
# In x2go client select `custom desktop` and add this `/usr/bin/i3/`

# Install conan C++
# Install pip: https://pip.pypa.io/en/stable/installing/
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python get-pip.py --user # if you only want it installed on this user
# Add ~/.local/bin to $PATH
# In ~/.bashrc add:
PATH=$PATH:~/.local/bin
export PATH
# Install conan:
pip install conan --user
conan --version

# Install tmux
pacman -Sy tmux

# Install xrandr
# To modify the resolution of the monitors
pacman -Sy xorg-xrandr

# Libre office
pacman -Sy libreoffice-fresh

# Torrent client
pacman -Sy transmission-gtk

# Printer
pacman -S cups
systemctl enable org.cups.cupsd.service
systemctl start org.cups.cupsd.service
pacman -S system-config-printer
gpasswd -a chreniuc cups
# After this run system-config-printer and add the printer

# Image viewer
git clone https://aur.archlinux.org/mirage.git
cd mirage
makepkg -sric

# Fluxgui
git clone https://aur.archlinux.org/fluxgui.git
cd fluxgui
makepkg -sric

# Notes sticker
git clone  https://aur.archlinux.org/qtpad-git.git
cd qtpad-git
makepkg -sric
# run qtpad