Shell script to help with installing and configuring Arch linux

install.sh

#!/bin/sh

# Updated: Wednesday Dec 14, 2022

# 必须以超级用户权限运行，似乎没啥必要...
[[ $EUID != 0 ]] && echo "Please run as root.  Terminating..." && exit 1

# 显示系统时间
timedatectl status
echo ""

# 磁盘分区布局 UEFI with GPT
#
# /mnt/boot -> EFI  -> At least 300 MiB
# [swap]    -> swap -> More than 512 MiB
# /mnt      -> root -> Remainder of the device

# 磁盘设备名
# disk="/dev/sda"
disk="/dev/nvme0n1"
p1="${disk}p1"
p2="${disk}p2"
p3="${disk}p3"

# 如果分区已经挂载，先卸载
umount -R /mnt  > /dev/null 2>&1
swapoff $p2     > /dev/null 2>&1

# UEFI/GPT layout
sgdisk -og $disk
sgdisk -n 1:2048:+500M  -c 1:"Boot Partition"  -t 1:ef00 $disk  # 500M
sgdisk -n 2:0:+2G       -c 2:"[SWAP]"          -t 2:8200 $disk  # 2G
sgdisk -n 3:0:0         -c 3:"Linux /"         -t 3:8300 $disk  # ...
sgdisk -p $disk

# 格式化分区
mkfs.fat -F 32 $p1 && echo ""
mkswap         $p2 && echo ""
mkfs.ext4   -q $p3 && echo ""

# 挂载分区
swapon $p2
mount  $p3 /mnt
mount --mkdir $p1 /mnt/boot

# 选择中科大镜像
mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.orig
echo 'Server = http://mirrors.ustc.edu.cn/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist

# 安装基础系统
pacstrap -K /mnt base linux linux-firmware

# 生成 fstab 文件
genfstab -U /mnt >> /mnt/etc/fstab

# 配置脚本
chmod +x /root/setup.sh
mv /root/setup.sh /mnt/root

# 运行配置脚本
arch-chroot /mnt sh /root/setup.sh

# 卸载文件系统
swapoff $p2
umount -Rl /mnt

# 重启
# reboot

setup.sh

#!/bin/sh

# 配置时区
ln -sf /usr/share/zoneinfo/PRC /etc/localtime

# 同步硬件时钟的时间
hwclock --systohc

# 生成系统语言
sed -i -e "s/^#en_US/en_US/g;s/^#zh_CN/zh_CN/g" /etc/locale.gen
locale-gen

# 配置系统语言
locale > /etc/locale.conf

# 配置主机名
echo "spinoza" > /etc/hostname

# 设置 root 账户的密码
echo "root:qing" | chpasswd

# 恢复传统的网络接口名称
ln -s /dev/null /etc/udev/rules.d/80-net-setup-link.rules

# 启动相关的网络服务
systemctl enable systemd-networkd.service
systemctl enable systemd-resolved.service
systemctl start systemd-networkd.service
systemctl start systemd-resolved.service

# 配置有线网络
cat > /etc/systemd/network/20-wired.network <<EOF
[Match]
Name=eth0
[Network]
DHCP=yes
EOF

# 安装一些基础的软件包
pacman -S --noconfirm efibootmgr grub \
  openssh rsync dhcpcd wpa_supplicant dnsutils net-tools \
  sudo htop fish git neovim

# 禁止检测操作系统
sed -i '/GRUB_DISABLE_OS_PROBER=/s/^#//' /etc/default/grub

# 安装 GRUB for EFI
grub-install --target=x86_64-efi --efi-directory=/boot
grub-mkconfig -o /boot/grub/grub.cfg

# Block piix4 module
# echo 'blacklist i2c_piix4' > /etc/modprobe.d/blacklist.conf