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Arch-Setup-Script/install.sh
Tommy 7a50c4e548
Typo fix + set e
2024-10-25 05:48:19 -07:00

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#!/bin/bash
# Copyright (C) 2021-2024 Thien Tran, Tommaso Chiti
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
set -eu
output(){
printf '\e[1;34m%-6s\e[m\n' "${@}"
}
unpriv(){
sudo -u nobody "$@"
}
installation_date=$(date "+%Y-%m-%d %H:%M:%S")
# Check if this is a VM
virtualization=$(systemd-detect-virt)
install_mode_selector() {
output 'Is this a desktop or server installation?'
output '1) Desktop'
output '2) Server'
output 'Insert the number of your selection:'
read -r choice
case $choice in
1 ) install_mode=desktop
;;
2 ) install_mode=server
;;
* ) output 'You did not enter a valid selection.'
install_mode_selector
esac
}
luks_prompt(){
if [ "${virtualization}" != 'none' ]; then
output "Virtual machine detected. Do you want to set up LUKS?"
output '1) No'
output '2) Yes'
output 'Insert the number of your selection:'
read -r choice
case $choice in
1 ) use_luks='0'
;;
2 ) use_luks='1'
;;
* ) output 'You did not enter a valid selection.'
luks_prompt
esac
else
use_luks='1'
fi
}
luks_passphrase_prompt () {
if [ "${use_luks}" = '1' ]; then
output 'Enter your encryption passphrase (the password will not be shown on the screen):'
read -r -s luks_passphrase
if [ -z "${luks_passphrase}" ]; then
output 'You need to enter a passphrase.'
luks_passphrase_prompt
fi
output 'Confirm your encryption passphrase (the passphrase will not be shown on the screen):'
read -r -s luks_passphrase2
if [ "${luks_passphrase}" != "${luks_passphrase2}" ]; then
output 'Passphrases do not match, please try again.'
luks_passphrase_prompt
fi
fi
}
disk_prompt (){
lsblk
output 'Please select the number of the corresponding disk (e.g. 1):'
select entry in $(lsblk -dpnoNAME|grep -P "/dev/nvme|sd|mmcblk|vd");
do
disk="${entry}"
output "Arch Linux will be installed on the following disk: ${disk}"
break
done
}
username_prompt (){
output 'Please enter the name for a user account:'
read -r username
if [ -z "${username}" ]; then
output 'Sorry, You need to enter a username.'
username_prompt
fi
}
fullname_prompt (){
output 'Please enter the full name for the user account:'
read -r fullname
if [ -z "${fullname}" ]; then
output 'Please enter the full name of the users account.'
fullname_prompt
fi
}
user_password_prompt () {
output 'Enter your user password (the password will not be shown on the screen):'
read -r -s user_password
if [ -z "${user_password}" ]; then
output 'You need to enter a password.'
user_password_prompt
fi
output 'Confirm your user password (the password will not be shown on the screen):'
read -r -s user_password2
if [ "${user_password}" != "${user_password2}" ]; then
output 'Passwords do not match, please try again.'
user_password_prompt
fi
}
hostname_prompt (){
if [ "${install_mode}" = 'server' ]; then
output 'Enter your hostname:'
read -r hostname
if [ -z "${hostname}" ]; then
output 'You need to enter a hostname.'
hostname_prompt
fi
else
hostname='localhost'
fi
}
network_daemon_prompt(){
if [ "${install_mode}" = 'server' ]; then
output 'Which network daemon do you want to use'
output '1) networkmanager'
output '2) systemd-networkd'
output 'Insert the number of your selection:'
read -r choice
case $choice in
1 ) network_daemon='networkmanager'
;;
2 ) network_daemon='systemd-networkd'
;;
* ) output 'You did not enter a valid selection.'
install_mode_selector
esac
else
network_daemon='networkmanager'
fi
}
# Set hardcoded variables (temporary, these will be replaced by future prompts)
locale=en_US
kblayout=us
# Cleaning the TTY
clear
# Initial prompts
install_mode_selector
luks_prompt
luks_passphrase_prompt
disk_prompt
username_prompt
fullname_prompt
user_password_prompt
hostname_prompt
network_daemon_prompt
# Installation
## Updating the live environment usually causes more problems than its worth, and quite often can't be done without remounting cowspace with more capacity
pacman -Sy
## Installing curl
pacman -S --noconfirm curl
## Wipe the disk
sgdisk --zap-all "${disk}"
## Creating a new partition scheme
output "Creating new partition scheme on ${disk}."
sgdisk -g "${disk}"
sgdisk -I -n 1:0:+512M -t 1:ef00 -c 1:'ESP' "${disk}"
sgdisk -I -n 2:0:0 -c 2:'rootfs' "${disk}"
ESP='/dev/disk/by-partlabel/ESP'
if [ "${use_luks}" = '1' ]; then
cryptroot='/dev/disk/by-partlabel/rootfs'
fi
## Informing the Kernel of the changes
output 'Informing the Kernel about the disk changes.'
partprobe "${disk}"
## Formatting the ESP as FAT32
output 'Formatting the EFI Partition as FAT32.'
mkfs.fat -F 32 -s 2 "${ESP}"
## Creating a LUKS Container for the root partition
if [ "${use_luks}" = '1' ]; then
output 'Creating LUKS Container for the root partition.'
echo -n "${luks_passphrase}" | cryptsetup luksFormat --pbkdf pbkdf2 "${cryptroot}" -d -
echo -n "${luks_passphrase}" | cryptsetup open "${cryptroot}" cryptroot -d -
BTRFS='/dev/mapper/cryptroot'
else
BTRFS='/dev/disk/by-partlabel/rootfs'
fi
## Formatting the partition as BTRFS
output 'Formatting the rootfs as BTRFS.'
mkfs.btrfs -f "${BTRFS}"
mount "${BTRFS}" /mnt
## Creating BTRFS subvolumes
output 'Creating BTRFS subvolumes.'
btrfs su cr /mnt/@
btrfs su cr /mnt/@/.snapshots
mkdir -p /mnt/@/.snapshots/1
btrfs su cr /mnt/@/.snapshots/1/snapshot
btrfs su cr /mnt/@/boot/
btrfs su cr /mnt/@/home
btrfs su cr /mnt/@/root
btrfs su cr /mnt/@/srv
btrfs su cr /mnt/@/var_log
btrfs su cr /mnt/@/var_crash
btrfs su cr /mnt/@/var_cache
btrfs su cr /mnt/@/var_tmp
btrfs su cr /mnt/@/var_spool
btrfs su cr /mnt/@/var_lib_libvirt_images
btrfs su cr /mnt/@/var_lib_machines
if [ "${install_mode}" = 'desktop' ]; then
btrfs su cr /mnt/@/var_lib_gdm
btrfs su cr /mnt/@/var_lib_AccountsService
fi
if [ "${use_luks}" = '1' ]; then
btrfs su cr /mnt/@/cryptkey
fi
## Disable CoW on subvols we are not taking snapshots of
chattr +C /mnt/@/boot
chattr +C /mnt/@/home
chattr +C /mnt/@/root
chattr +C /mnt/@/srv
chattr +C /mnt/@/var_log
chattr +C /mnt/@/var_crash
chattr +C /mnt/@/var_cache
chattr +C /mnt/@/var_tmp
chattr +C /mnt/@/var_spool
chattr +C /mnt/@/var_lib_libvirt_images
chattr +C /mnt/@/var_lib_machines
if [ "${install_mode}" = 'desktop' ]; then
chattr +C /mnt/@/var_lib_gdm
chattr +C /mnt/@/var_lib_AccountsService
fi
if [ "${use_luks}" = '1' ]; then
chattr +C /mnt/@/cryptkey
fi
## Set the default BTRFS Subvol to Snapshot 1 before pacstrapping
btrfs subvolume set-default "$(btrfs subvolume list /mnt | grep "@/.snapshots/1/snapshot" | grep -oP '(?<=ID )[0-9]+')" /mnt
echo "<?xml version=\"1.0\"?>
<snapshot>
<type>single</type>
<num>1</num>
<date>${installation_date}</date>
<description>First Root Filesystem</description>
<cleanup>number</cleanup>
</snapshot>" > /mnt/@/.snapshots/1/info.xml
chmod 600 /mnt/@/.snapshots/1/info.xml
## Mounting the newly created subvolumes
umount /mnt
output 'Mounting the newly created subvolumes.'
mount -o ssd,noatime,compress=zstd "${BTRFS}" /mnt
mkdir -p /mnt/{boot,root,home,.snapshots,srv,tmp,var/log,var/crash,var/cache,var/tmp,var/spool,var/lib/libvirt/images,var/lib/machines}
if [ "${install_mode}" = 'desktop' ]; then
mkdir -p /mnt/{var/lib/gdm,var/lib/AccountsService}
fi
if [ "${use_luks}" = '1' ]; then
mkdir -p /mnt/cryptkey
fi
mount -o ssd,noatime,compress=zstd,nodev,nosuid,noexec,subvol=@/boot "${BTRFS}" /mnt/boot
mount -o ssd,noatime,compress=zstd,nodev,nosuid,subvol=@/root "${BTRFS}" /mnt/root
mount -o ssd,noatime,compress=zstd,nodev,nosuid,subvol=@/home "${BTRFS}" /mnt/home
mount -o ssd,noatime,compress=zstd,subvol=@/.snapshots "${BTRFS}" /mnt/.snapshots
mount -o ssd,noatime,compress=zstd,subvol=@/srv "${BTRFS}" /mnt/srv
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_log "${BTRFS}" /mnt/var/log
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_crash "${BTRFS}" /mnt/var/crash
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_cache "${BTRFS}" /mnt/var/cache
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_tmp "${BTRFS}" /mnt/var/tmp
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_spool "${BTRFS}" /mnt/var/spool
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_lib_libvirt_images "${BTRFS}" /mnt/var/lib/libvirt/images
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_lib_machines "${BTRFS}" /mnt/var/lib/machines
# GNOME requires /var/lib/gdm and /var/lib/AccountsService to be writeable when booting into a readonly snapshot
if [ "${install_mode}" = 'desktop' ]; then
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_lib_gdm $BTRFS /mnt/var/lib/gdm
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/var_lib_AccountsService $BTRFS /mnt/var/lib/AccountsService
fi
### The encryption is splitted as we do not want to include it in the backup with snap-pac.
if [ "${use_luks}" = '1' ]; then
mount -o ssd,noatime,compress=zstd,nodatacow,nodev,nosuid,noexec,subvol=@/cryptkey "${BTRFS}" /mnt/cryptkey
fi
mkdir -p /mnt/boot/efi
mount -o nodev,nosuid,noexec "${ESP}" /mnt/boot/efi
## Pacstrap
output 'Installing the base system (it may take a while).'
output "You may see an error when mkinitcpio tries to generate a new initramfs."
output "It is okay. The script will regenerate the initramfs later in the installation process."
pacstrap /mnt apparmor base chrony efibootmgr firewalld grub grub-btrfs inotify-tools linux-firmware linux-hardened linux-lts nano reflector snapper sudo zram-generator
if [ "${virtualization}" = 'none' ]; then
CPU=$(grep vendor_id /proc/cpuinfo)
if [[ "${CPU}" == *"AuthenticAMD"* ]]; then
microcode=amd-ucode
else
microcode=intel-ucode
fi
pacstrap /mnt "${microcode}"
fi
if [ "${network_daemon}" = 'networkmanager' ]; then
pacstrap /mnt networkmanager
fi
if [ "${install_mode}" = 'desktop' ]; then
pacstrap /mnt flatpak gdm gnome-console gnome-control-center nautilus pipewire-alsa pipewire-pulse pipewire-jack
elif [ "${install_mode}" = 'server' ]; then
pacstrap /mnt openssh unbound
fi
if [ "${virtualization}" = 'none' ]; then
pacstrap /mnt fwupd
echo 'UriSchemes=file;https' | sudo tee -a /mnt/etc/fwupd/fwupd.conf
elif [ "${virtualization}" = 'kvm' ]; then
pacstrap /mnt qemu-guest-agent
if [ "${install_mode}" = 'desktop' ]; then
pacstrap /mnt spice-vdagent
fi
fi
## Install snap-pac list otherwise we will have problems
pacstrap /mnt snap-pac
## Generate /etc/fstab
output 'Generating a new fstab.'
genfstab -U /mnt >> /mnt/etc/fstab
sed -i 's#,subvolid=258,subvol=/@/.snapshots/1/snapshot,subvol=@/.snapshots/1/snapshot##g' /mnt/etc/fstab
output 'Setting up hostname, locale and keyboard layout'
## Set hostname
echo "$hostname" > /mnt/etc/hostname
## Setting hosts file
echo 'Setting hosts file.'
echo '# Loopback entries; do not change.
# For historical reasons, localhost precedes localhost.localdomain:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
# See hosts(5) for proper format and other examples:
# 192.168.1.10 foo.example.org foo
# 192.168.1.13 bar.example.org bar' > /mnt/etc/hosts
## Setup locales
echo "$locale.UTF-8 UTF-8" > /mnt/etc/locale.gen
echo "LANG=$locale.UTF-8" > /mnt/etc/locale.conf
## Setup keyboard layout
echo "KEYMAP=$kblayout" > /mnt/etc/vconsole.conf
## Configure /etc/mkinitcpio.conf
output 'Configuring /etc/mkinitcpio for ZSTD compression and LUKS hook.'
sed -i 's/#COMPRESSION="zstd"/COMPRESSION="zstd"/g' /mnt/etc/mkinitcpio.conf
sed -i 's/^MODULES=.*/MODULES=(btrfs)/g' /mnt/etc/mkinitcpio.conf
if [ "${use_luks}" = '1' ]; then
sed -i 's/^HOOKS=.*/HOOKS=(systemd autodetect microcode modconf keyboard sd-vconsole block sd-encrypt)/g' /mnt/etc/mkinitcpio.conf
else
sed -i 's/^HOOKS=.*/HOOKS=(systemd autodetect microcode modconf keyboard sd-vconsole block)/g' /mnt/etc/mkinitcpio.conf
fi
## Enable LUKS in GRUB and setting the UUID of the LUKS container
if [ "${use_luks}" = '1' ]; then
sed -i 's/#GRUB_ENABLE_CRYPTODISK=.*/GRUB_ENABLE_CRYPTODISK=y/g' /mnt/etc/default/grub
fi
## Do not preload part_msdos
sed -i 's/ part_msdos//g' /mnt/etc/default/grub
## Ensure correct GRUB settings
echo '' >> /mnt/etc/default/grub
echo '# Default to linux-hardened
GRUB_DEFAULT="1>2"
# Booting with BTRFS subvolume
GRUB_BTRFS_OVERRIDE_BOOT_PARTITION_DETECTION=true' >> /mnt/etc/default/grub
## Disable root subvol pinning
## This is **extremely** important, as snapper expects to be able to set the default btrfs subvol
# shellcheck disable=SC2016
sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/10_linux
# shellcheck disable=SC2016
sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/20_linux_xen
## Kernel hardening
if [ "${use_luks}" = '1' ]; then
UUID=$(blkid -s UUID -o value "${cryptroot}")
sed -i "s#quiet#rd.luks.name=${UUID}=cryptroot root=${BTRFS} lsm=landlock,lockdown,yama,integrity,apparmor,bpf mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1#g" /mnt/etc/default/grub
else
sed -i "s#quiet#root=${BTRFS} lsm=landlock,lockdown,yama,integrity,apparmor,bpf mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1#g" /mnt/etc/default/grub
fi
## Add keyfile to the initramfs to avoid double password
if [ "${use_luks}" = '1' ]; then
dd bs=512 count=4 if=/dev/random of=/mnt/cryptkey/.root.key iflag=fullblock
chmod 000 /mnt/cryptkey/.root.key
echo -n "${luks_passphrase}" | cryptsetup luksAddKey /dev/disk/by-partlabel/rootfs /mnt/cryptkey/.root.key -d -
sed -i 's#FILES=()#FILES=(/cryptkey/.root.key)#g' /mnt/etc/mkinitcpio.conf
sed -i "s#module\.sig_enforce=1#module.sig_enforce=1 rd.luks.key=/cryptkey/.root.key#g" /mnt/etc/default/grub
fi
## Continue kernel hardening
unpriv curl -s https://raw.githubusercontent.com/secureblue/secureblue/live/files/system/etc/modprobe.d/blacklist.conf | tee /mnt/etc/modprobe.d/blacklist.conf > /dev/null
if [ "${install_mode}" = 'server' ]; then
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-server.conf | tee /mnt/etc/sysctl.d/99-server.conf > /dev/null
else
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysctl.d/99-workstation.conf | tee /mnt/etc/sysctl.d/99-workstation.conf > /dev/null
fi
## Setup NTS
unpriv curl -s https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/chrony.conf | tee /mnt/etc/chrony.conf > /dev/null
mkdir -p /mnt/etc/sysconfig
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/sysconfig/chronyd | tee /mnt/etc/sysconfig/chronyd > /dev/null
## Remove nullok from system-auth
sed -i 's/nullok//g' /mnt/etc/pam.d/system-auth
## Harden SSH
## Arch annoyingly does not split openssh-server out so even desktop Arch will have the daemon
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | tee /mnt/etc/ssh/ssh_config.d/10-custom.conf > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/sshd_config.d/10-custom.conf | tee /mnt/etc/ssh/sshd_config.d/10-custom.conf > /dev/null
sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /mnt/etc/ssh/sshd_config.d/10-custom.conf
mkdir -p /mnt/etc/systemd/system/sshd.service.d/
unpriv curl -s https://raw.githubusercontent.com/GrapheneOS/infrastructure/main/systemd/system/sshd.service.d/override.conf | tee /mnt/etc/systemd/system/sshd.service.d/override.conf > /dev/null
## Disable coredump
mkdir -p /mnt/etc/security/limits.d/
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | tee /mnt/etc/security/limits.d/30-disable-coredump.conf > /dev/null
mkdir -p /mnt/etc/systemd/coredump.conf.d
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/coredump.conf.d/disable.conf | tee /mnt/etc/systemd/coredump.conf.d/disable.conf > /dev/null
# Disable XWayland
if [ "${install_mode}" = 'desktop' ]; then
mkdir -p /mnt/etc/systemd/user/org.gnome.Shell@wayland.service.d
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/user/org.gnome.Shell%40wayland.service.d/override.conf | tee /mnt/etc/systemd/user/org.gnome.Shell@wayland.service.d/override.conf > /dev/null
fi
# Setup dconf
if [ "${install_mode}" = 'desktop' ]; then
# This doesn't actually take effect atm - need to investigate
mkdir -p /mnt/etc/dconf/db/local.d/locks
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | tee /mnt/etc/dconf/db/local.d/locks/automount-disable > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/privacy | tee /mnt/etc/dconf/db/local.d/locks/privacy > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/adw-gtk3-dark | tee /mnt/etc/dconf/db/local.d/adw-gtk3-dark > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | tee /mnt/etc/dconf/db/local.d/automount-disable > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | tee /mnt/etc/dconf/db/local.d/button-layout > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | tee /mnt/etc/dconf/db/local.d/prefer-dark > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | tee /mnt/etc/dconf/db/local.d/privacy > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | tee /mnt/etc/dconf/db/local.d/touchpad > /dev/null
fi
## ZRAM configuration
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/systemd/zram-generator.conf | tee /mnt/etc/systemd/zram-generator.conf > /dev/null
## Setup unbound
if [ "${install_mode}" = 'server' ]; then
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Arch-Setup-Script/main/etc/unbound/unbound.conf | tee /mnt/etc/unbound/unbound.conf > /dev/null
fi
## Setup Networking
if [ "${install_mode}" = 'desktop' ]; then
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | tee /mnt/etc/NetworkManager/conf.d/00-macrandomize.conf > /dev/null
unpriv curl -s https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | tee /mnt/etc/NetworkManager/conf.d/01-transient-hostname.conf > /dev/null
fi
if [ "${network_daemon}" = 'networkmanager' ]; then
mkdir -p /mnt/etc/systemd/system/NetworkManager.service.d/
unpriv curl -s https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | tee /mnt/etc/systemd/system/NetworkManager.service.d/99-brace.conf > /dev/null
fi
if [ "${network_daemon}" = 'systemd-networkd' ]; then
# arch-iso has working networking, booted does not
cp -ap /etc/systemd/network/20* /mnt/etc/systemd/network/ > /dev/null
fi
## Configuring the system
arch-chroot /mnt /bin/bash -e <<EOF
# Setting up timezone
# Temporarily hardcoding here
ln -sf /usr/share/zoneinfo/Etc/UTC /etc/localtime
# Setting up clock
hwclock --systohc
# Generating locales
locale-gen
# Generating a new initramfs
chmod 600 /boot/initramfs-linux*
mkinitcpio -P
# Installing GRUB
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB --disable-shim-lock
# Creating grub config file
grub-mkconfig -o /boot/grub/grub.cfg
# Adding user with sudo privilege
useradd -c "$fullname" -m "$username"
usermod -aG wheel "$username"
if [ "${install_mode}" = 'desktop' ]; then
# Setting up dconf
dconf update
fi
# Snapper configuration
umount /.snapshots
rm -r /.snapshots
snapper --no-dbus -c root create-config /
btrfs subvolume delete /.snapshots
mkdir /.snapshots
mount -a
chmod 750 /.snapshots
EOF
## Set user password.
[ -n "$username" ] && echo "Setting user password for ${username}." && echo -e "${user_password}\n${user_password}" | arch-chroot /mnt passwd "$username"
## Give wheel user sudo access.
sed -i 's/# %wheel ALL=(ALL:ALL) ALL/%wheel ALL=(ALL:ALL) ALL/g' /mnt/etc/sudoers
## Enable services
systemctl enable apparmor --root=/mnt
systemctl enable chronyd --root=/mnt
systemctl enable firewalld --root=/mnt
systemctl enable fstrim.timer --root=/mnt
systemctl enable grub-btrfsd.service --root=/mnt
systemctl enable reflector.timer --root=/mnt
systemctl enable snapper-timeline.timer --root=/mnt
systemctl enable snapper-cleanup.timer --root=/mnt
systemctl enable systemd-oomd --root=/mnt
systemctl disable systemd-timesyncd --root=/mnt
if [ "${network_daemon}" = 'networkmanager' ]; then
systemctl enable NetworkManager --root=/mnt
else
systemctl enable systemd-networkd --root=/mnt
fi
if [ "${install_mode}" = 'desktop' ]; then
systemctl enable gdm --root=/mnt
rm /mnt/etc/resolv.conf
ln -s /run/systemd/resolve/stub-resolv.conf /mnt/etc/resolv.conf
systemctl enable systemd-resolved --root=/mnt
fi
if [ "${install_mode}" = 'server' ]; then
systemctl enable sshd --root=/mnt
systemctl enable unbound --root=/mnt
fi
## Set umask to 077.
sed -i 's/^UMASK.*/UMASK 077/g' /mnt/etc/login.defs
sed -i 's/^HOME_MODE/#HOME_MODE/g' /mnt/etc/login.defs
sed -i 's/umask 022/umask 077/g' /mnt/etc/bash.bashrc
# Finish up
echo "Done, you may now wish to reboot (further changes can be done by chrooting into /mnt)."
exit
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