curl -OL hu.fo/getarch; chmod +x getarch; ./getarch

install-arch-noefi.sh

#!/bin/zsh

# Usage:
# Boot into archiso
# curl -OL hu.fo/getarch
# chmod +x getarch
# vim getarch
# ./getarch

export NEWUSER=hexhu
export HOSTNAME=archvm
export ROOT_DEV=vda
export ROOT_PART=vda1
#export ROOT_DEV=nvme0n1
#export ROOT_PART=nvme0n1p1
export REGION=America
export CITY=Los_Angeles
#export REGION=Asia
#export CITY=Hong_Kong
#export CITY=Tokyo

timedatectl set-ntp true

umount -f /mnt
fdisk "/dev/${ROOT_DEV}" << EOFDISK

o
n
p
1


w
EOFDISK
mkfs.ext4 -F "/dev/${ROOT_PART}"
mount "/dev/${ROOT_PART}" /mnt

echo 'Server = https://arch.hu.fo/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist
echo 'Server = https://mirrors.ocf.berkeley.edu/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist
echo 'Server = http://mirrors.ocf.berkeley.edu/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist
echo 'Server = http://mirror.rackspace.com/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist
echo 'Server = https://mirror.rackspace.com/archlinux/$repo/os/$arch' >> /etc/pacman.d/mirrorlist

pacstrap /mnt base

arch-chroot /mnt << EOCHROOT1

echo "$HOSTNAME" > /etc/hostname
ln -sf "/usr/share/zoneinfo/${REGION}/${CITY}" /etc/localtime
hwclock --systohc

pacman -Syu --noconfirm linux grub dhcpcd openssh haveged sudo vi vim screen pacman-contrib arch-install-scripts mtr ldns lldpd ethtool htop iotop iptraf-ng nethogs vnstat sysstat ncdu bash-completion zsh zsh-completions sshfs rsync nfs-utils arch-audit kernel-modules-hook
paccache -rk0

grub-install "/dev/${ROOT_DEV}" --recheck
sed -i 's/GRUB_TIMEOUT=5/GRUB_TIMEOUT=1/' /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg

systemctl enable dhcpcd
systemctl enable sshd
systemctl enable haveged
systemctl enable linux-modules-cleanup
systemctl enable vnstat

mkdir ~/.ssh
curl "https://github.com/${NEWUSER}.keys" > ~/.ssh/authorized_keys

useradd -m -s /bin/bash -G wheel,log,disk,proc "$NEWUSER"
su "$NEWUSER"
mkdir ~/.ssh
curl "https://github.com/${NEWUSER}.keys" > ~/.ssh/authorized_keys
exit

exit
EOCHROOT1

chroot /mnt /bin/bash << EOCHROOT2

passwd -d "$NEWUSER" # Use empty password
chage -d 0 "$NEWUSER" # Force changing that empty password at login

sed -i 's/^# %wheel ALL=(ALL:ALL) ALL\.*/%wheel ALL=(ALL:ALL) ALL/' /etc/sudoers

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

sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config
sed -i 's/^#KbdInteractiveAuthentication yes/KbdInteractiveAuthentication no/' /etc/ssh/sshd_config
echo -e "\n#Suppress sshd log spamming\nLogLevel FATAL\nMatch User root,${NEWUSER}\n    LogLevel INFO" >> /etc/ssh/sshd_config

sed -i 's/^#DefaultTimeoutStartSec=.*/DefaultTimeoutStartSec=20s/' /etc/systemd/system.conf
sed -i 's/^#DefaultTimeoutStopSec=.*/DefaultTimeoutStopSec=20s/' /etc/systemd/system.conf

sed -i 's/#SystemMaxUse=.*/SystemMaxUse=32M/' /etc/systemd/journald.conf

sed -i "s/ 'fallback'//" /etc/mkinitcpio.d/linux.preset

sed -i 's/#Color/Color/' /etc/pacman.conf
sed -i 's/#ParallelDownloads/ParallelDownloads/' /etc/pacman.conf

echo -e "net.core.default_qdisc=fq\nnet.ipv4.tcp_congestion_control=bbr" > /etc/sysctl.d/bbr.conf

exit
EOCHROOT2

umount /mnt
sync
reboot