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TommyTran732 0f389165bf
Actually disable CoW on @swap and @var_log 
There is a bug with BTRFS where it uses the same mount option for the first subvolume for any subvolume you mount. That means the nodatacow flag you set on line 74 and 75 are useless. In order to disable CoW, you must add chattr +C to those.

https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs(5)
2021-04-14 07:52:32 -04:00
_config.yml Set theme jekyll-theme-cayman 2021-02-01 13:12:01 +01:00
easy-arch.sh Actually disable CoW on @swap and @var_log 2021-04-14 07:52:32 -04:00
LICENSE Initial commit 2021-01-31 14:22:42 +01:00
README.md Update README.md 2021-04-14 08:54:04 +02:00

README.md

Introduction

easy-arch is a script made in order to boostrap a basic Arch Linux environment with snapshots and encryption by using a fully automated process.

How does it work?

  1. Download an Arch Linux ISO from here
  2. Flash the ISO onto an USB Flash Drive.
  3. Boot the live environment.
  4. Set the keyboard layout by using loadkeys.
  5. Connect to the internet.
  6. Run this bash <(curl -sL https://git.io/JtRu2).

Partitions layout

Partition Number Label Size Mountpoint Filesystem
1 ESP 512 MiB /boot FAT32
2 Cryptroot Rest of the disk / BTRFS Encrypted (LUKS)

The partitions layout is pretty straightforward, it's inspired by this section of the Arch Wiki. As you can see there's just a couple of partitions:

  1. A FAT32, 512MiB sized, mounted at /boot for the ESP.
  2. A LUKS encrypted container, which takes the rest of the disk space, mounted at / for the rootfs.

BTRFS subvolumes layout

Subvolume Number Subvolume Name Mountpoint
1 @ /
2 @home /home
3 @snapshots /.snapshots
4 @var_log /var/log
5 @swap /swap (optional)

The BTRFS subvolumes layout follows the traditional and suggested layout used by Snapper, you can find it here. I only added a swap subvolume in case you need a swapfile, but it's totally optional. You'll be asked if you want it or not during the script execution. Here's a brief explanation of the BTRFS layout I chose:

  1. @ mounted as /.
  2. @home mounted as /home.
  3. @snapshots mounted as /.snapshots.
  4. @var_log mounted as /var/log.
  5. @swap mounted as /swap (optional).