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Windows 10 and Arch Linux dual boot with UEFI

Arch Linux installation (Windows 10 dual boot)

Before

  1. Disable Windows Fast-Startup
  2. Disable Secure Boot

Partitioning

Windows 10 Efi partitioning

Partition Location Size File system
Recovery sda1 500 MB ntfs
ESP sda2 100 MB vfat
Reserved sda3 16 MB ?
Windows 10 sda4 80 GB ntfs

Connect to the internet (Wi-Fi)

# wifi-menu
# ping  -c 3 www.google.com

Format and mount disks

# mkfs.ext4 /dev/sdb1
# mkfs.ext4 /dev/sdb2
# mount /dev/sdb2 /mnt
# mkdir /mnt/boot
# mkdir /mnt/home
# mount /dev/sdb1 /mnt/boot
# mount /dev/sdb3 /mnt/home

Install

# pacstrap /mnt base base-devel

Generate fstab

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

Chroot and configure base system

# arch-chroot /mnt

Timezone

# ln -sf /usr/share/zoneinfo/Asia/Jakarta /etc/localtime

Hardware clock

# hwclock --systohc

Locale

# nano /etc/locale.gen

uncomment en_US.UTF-8

# locale-gen
# echo LANG=en_US.UTF-8 > /etc/locale.conf
# export LANG=en_US.UTF-8

Hostname

# echo arch >> /etc/hostname
# nano /etc/hosts

/etc/hosts should look like:

127.0.0.1   localhost.localdomain   localhost 
::1         localhost.localdomain   localhost
127.0.1.1   arch.localdomain        arch 

Root password

# passwd

Initial ramdisk environment

$ mkinitcpio -p linux

Systemd-Boot

# bootctl --path=/boot install

Then add following content to /boot/loader/entries/arch.conf

tittle    Arch
linux     /vmlinuz-linux
initrd    /initramfs-linux.img
initrd    /intel-ucode.img
options   root=/dev/sda6 rw

and following content to /boot/loader/loader.conf

timeout 5
default arch

GRUB

$ pacman -S dosfstools grub efibootmgr intel-ucode
$ mkdir /boot/efi
$ mount /dev/sda1 /boot/efi

Edit /etc/default/grub, set DEFAULT_TIMEOUT=30.

$ grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=grub --recheck
$ grub-mkconfig -o boot/grub/grub.cfg

Now, let's add Windows to the GRUB menu. Edit /boot/grub/grub.cfg and add the following menuentry after the Arch Linux menuentries:

menuentry "Windows 10" --class windows --class os {
    insmod part_gpt
    insmod fat
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --set=root $hints_string $fs_uuid
    chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

Now change:

  • $hints_string by the output of $ grub-probe --target=fs_uuid /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi

  • $fs_uuid by the output of $ grub-probe --target=hints_string /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi

Network configuration (Wi-Fi)

# pacman -S iw wpa_supplicant dialog networkmanager

Other

# pacman -S zsh reflector ntfs-3g

Unmount and reboot

$ exit      # If still on arch-chroot mode
$ umount -R /mnt
$ reboot

References

Installation

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