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Arch Instalation

Create new Partition (Not needed if you are just re-installing)

#!/bin/bash

fdisk /dev/sdx # change it the the correct disk

EFI Partition

  1. Press `n` to create your first partition, this is for EFI boot
    • For partision number use default
    • For first sector use default.
    • For last sector give +500M
  2. Press `t` to select the type and select `1` which is EFI partition.

Root/Main Partition

  1. Press `n` to create your second partition, this is for root/home partition
    • For partition number use default.
    • For first sector use default.
    • For last sector default, which is all remaining freespace
  2. Press `t` to select the type and set to default LinuxFileSystem

After above steps press `w` to write changes to the disk.

Formating the Partitions

mkfs.fat -F32 /dev/sdx1
mkfs.btrfs /dev/sdx2

Encryption (optional)

Btrfs Mount

  1. Mount the root partition to `/mnt`
mount /dev/sdx2 /mnt
cd /mnt
btrfs subvolume create @ # This is for root
btrfs subvolume create @home # This is for home
cd
umount /mnt
mount -o noatime,space_cache=v2,compress=zstd,ssd,discard=async,subvol=@ /dev/sdx2 /mnt
mkdir /mnt/home
mkdir /mnt/boot
mount -o noatime,space_cache=v2,compress=zstd,ssd,discard=async,subvol=@home /dev/sdx2 /mnt/home
mount /dev/sdx1 /mnt/boot/EFI

Install Arch linux

pacman --noconfirm -Sy archlinux-keyring
pacstrap -K /mnt base linux-lts linux-lts-headers linux-firmware git nvim intel-ucode
genfstab -U /mnt >> /mnt/etc/fstab
arch-chroot /mnt
passwd # For root pass
useradd -m -g users -G wheel nithin
passwd nithin # For nithin user
# from here make it as script
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
timedatectl set-timezone Asia/Kolkata
hwclock --systohc
echo "Hostname: "
read hostname
echo $hostname > /etc/hostname
echo "127.0.0.1       localhost" >> /etc/hosts
echo "::1             localhost" >> /etc/hosts
echo "127.0.1.1       $hostname.localdomain $hostname" >> /etc/hosts

nvim /etc/mkinitcpio.conf # Add btrfs to the module array
mkinitcpio -p linux-lts

Grub Install

pacman -S grub efibootmgr base-devel os-prober
grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB --recheck
cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
grub-mkconfig -o /boot/grub/grub.cfg

At last

  1. umount -a