You're going to need the ISO so go get that
systemctl start sshd
passwd
ip a
ssh to the server using your ssh client. (So that ou can select chunks of code and paste them together - saving you time)
Change the mirrors country using mirrorlist generator
mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.old
curl 'https://www.archlinux.org/mirrorlist/?country=CA&use_mirror_status=on' --output /etc/pacman.d/mirrorlist
#remove comments of the mirrors you want to use
sed -i '/^#Server/s/^#//' /etc/pacman.d/mirrorlist
# partition
echo -e "o\nn\np\n1\n\n+2M\nn\np\n2\n\n+250M\nn\np\n3\n\n\nw" | fdisk /dev/sda
mkfs -t ext2 /dev/sda2
vgcreate vg /dev/sda3
lvcreate -L 4G -n swap vg
lvcreate -l 100%FREE -n root vg
mkfs -t ext4 /dev/vg/root
mkswap /dev/vg/swap
swapon /dev/vg/swap
mount /dev/vg/root /mnt
mkdir /mnt/boot
mount /dev/sda2 /mnt/boot
# setup base
pacstrap /mnt base base-devel
genfstab -p /mnt >> /mnt/etc/fstab
arch-chroot /mnt /bin/bash
# locale
sed -i '/^#en_CA.UTF-8 UTF-8/s/^#//' /etc/locale.gen
locale-gen
echo LANG=en_CA.UTF-8 > /etc/locale.conf
ln -sf /usr/share/zoneinfo/America/Toronto /etc/localtime
hwclock --systohc --utc
echo arch > /etc/hostname
# grub
sed -i.bak '/^HOOKS=/s/block filesystems/block lvm2 filesystems/' /etc/mkinitcpio.conf
pacman -S grub intel-ucode lvm2 --noconfirm
grub-install --target=i386-pc /dev/sda
grub-mkconfig -o /boot/grub/grub.cfg
# install packages
pacman -S openssh --noconfirm
# enable services
systemctl enable sshd dhcpcd
# create user
useradd -m -G wheel arch
sed -i '/^# %wheel.*NOPASSWD/s/^# //' /etc/sudoers
passwd arch
exit
umount -R /mnt
reboot
pacman -S virtualbox-guest-modules-arch
# reconnect to ssh using the new user
sudo su
pacman -Syu
pacman -S gnome weston --noconfirm
systemctl enable gdm NetworkManager
systemctl stop dhcpcd
systemctl start gdm NetworkManager
sudo pacman -S --noconfirm --needed jshon expac git
mkdir /tmp/packer
curl -o /tmp/packer/PKGBUILD 'https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=packer'
cd /tmp/packer && makepkg -i /tmp/packer --noconfirm
[ -d /tmp/packer ] && rm -rf /tmp/packer
All done.
That's it you're on your own now.
sudo pacman -S gnome-tweak-tool arc-gtk-theme arc-icon-theme
packer -S gnome-shell-extension-dash-to-dock