Quick VM setup to Gnome

arch_setup.sh

#!/bin/bash
set -e

echo "Updating system clock"
timedatectl set-ntp true

echo "Partitioning disk"
fdisk /dev/vda <<EOF
o
n
p


w
EOF

echo "Formatting partition"
mkfs.ext4 /dev/vda1

echo "Mounting root partition"
mount /dev/vda1 /mnt

echo "Installing base system"
pacstrap /mnt base linux linux-firmware

echo "Generating fstab"
genfstab -U /mnt >> /mnt/etc/fstab

echo "Chrooting into new system"
arch-chroot /mnt <<EOF
echo "Setting time zone"
ln -sf /usr/share/zoneinfo/US/Los_Angeles /etc/localtime

echo "Setting hardware clock"
hwclock --systohc

echo "Setting up locale"
sed -i 's/^#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf

echo "Setting up hostname"
echo "arch-vm1" > /etc/hostname
echo "127.0.0.1 localhost" >> /etc/hosts
echo "::1 localhost" >> /etc/hosts
echo "127.0.1.1 arch-vm1.localdomain arch-vm1" >> /etc/hosts

echo "Setting root password"
echo "root:j" | chpasswd

echo "Installing and enabling bootloader"
pacman -S --noconfirm grub
grub-install /dev/vda
grub-mkconfig -o /boot/grub/grub.cfg

echo "Installing GNOME and GDM"
pacman -S --noconfirm gnome gdm
systemctl enable gdm

echo "Adding a regular user"
useradd -m -G wheel -s /bin/bash user
echo "user:j" | chpasswd

echo "Allowing wheel group to use sudo"
echo "%wheel ALL=(ALL) ALL" >> /etc/sudoers

exit
EOF

echo "Done! You can reboot now."