fallrain / arch-install-chroot.sh

echo "export EDITOR=nvim" >> ~/.bash_profile source ~/.bash_profile useradd -m -G wheel -s /bin/bash frain passwd frain visudo su frain sudo pacman -S chezmoi chezmoi init [email protected]:6957efbbba2d7df023d9a849/dotfiles.git chezmoi apply

#!/bin/bash # Variables ESP=/dev/nvme0n1p1 ROOT=/dev/nvme0n1p2 SWAPFILESIZE=2G # Optimization: Added discard=async for NVMe, removed redundant nodiratime MOUNT_OPTIONS="noatime,compress=zstd,space_cache=v2,discard=async,ssd" # 1. Format the partition mkfs.btrfs -L ROOT $ROOT -f # 2. Create Flat Subvolume Layout mount $ROOT /mnt btrfs sub create /mnt/@ btrfs sub create /mnt/@home btrfs sub create /mnt/@pkg btrfs sub create /mnt/@snapshots btrfs sub create /mnt/@vm btrfs sub create /mnt/@log btrfs sub create /mnt/@swap umount /mnt # 3. Mount Root Subvolume mount -o $MOUNT_OPTIONS,subvol=@ $ROOT /mnt # 4. Create Mount Points mkdir -p /mnt/{boot,home,var/cache/pacman/pkg,var/log,var/lib/libvirt,.snapshots,btrfs} # 5. Mount Other Subvolumes mount -o $MOUNT_OPTIONS,subvol=@home $ROOT /mnt/home mount -o $MOUNT_OPTIONS,subvol=@pkg $ROOT /mnt/var/cache/pacman/pkg mount -o $MOUNT_OPTIONS,subvol=@snapshots $ROOT /mnt/.snapshots mount -o $MOUNT_OPTIONS,subvol=@log $ROOT /mnt/var/log mount -o $MOUNT_OPTIONS,subvolid=5 $ROOT /mnt/btrfs # 6. Specialized Subvolume Mounting (NoCOW for VMs) mount -o $MOUNT_OPTIONS,subvol=@vm $ROOT /mnt/var/lib/libvirt chattr +C /mnt/var/lib/libvirt # Disable Copy-on-Write for VM performance # 7. Mount ESP mount $ESP /mnt/boot # 8. Create Swapfile on Btrfs # btrfs-progs automatically handles NoCOW and compression exclusion for swapfiles btrfs filesystem mkswapfile --size $SWAPFILESIZE --uuid clear /mnt/btrfs/@swap/swapfile swapon /mnt/btrfs/@swap/swapfile pacstrap -K /mnt base linux linux-firmware intel-ucode sof-firmware networkmanager man-db man-pages neovim grub efibootmgr zsh sudo

# Replace hostname with the name for your host export HOST=hostname # Replace Europe/London with your Region/City export TZ="Asia/Shanghai" echo $HOST > /etc/hostname cat << EOF >> /etc/hosts 127.0.0.1 localhost ::1 localhost 127.0.1.1 $HOST.localdomain $HOST EOF ln -sf /usr/share/zoneinfo/$TZ /etc/localtime # Sync system time to hardware clock hwclock --systohc # - set locale echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen #echo "zh_CN.UTF-8 UTF-8" >> /etc/locale.gen locale-gen echo 'LANG=en_US.UTF-8' > /etc/locale.conf grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB grub-mkconfig -o /boot/grub/grub.cfg systemctl enable NetworkManager # enable ssh root login #sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config passwd root