easy-arch/README.md
2021-05-10 07:56:23 +02:00

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### Introduction
[easy-arch](https://github.com/classy-giraffe/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 (UEFI only).
### How does it work?
1. Download an Arch Linux ISO from [here](https://archlinux.org/download/)
2. Flash the ISO onto an [USB Flash Drive](https://wiki.archlinux.org/index.php/USB_flash_installation_medium).
3. Boot the live environment.
4. Set the keyboard layout by using `loadkeys`.
5. Connect to the internet.
6. Run this `bash <(curl -sL 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 (LUKS2) |
The **partitions layout** is pretty straightforward, it's inspired by [this section](https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Btrfs_subvolumes_with_swap) of the Arch Wiki. As you can see there's just a couple of partitions:
1. A **FAT32**, 512MiB sized, mounted at `/boot/efi` for the ESP.
2. A **LUKS2 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 |
The **BTRFS subvolumes layout** follows the traditional and suggested layout used by **Snapper**, you can find it [here](https://wiki.archlinux.org/index.php/Snapper#Suggested_filesystem_layout). Here's a brief explanation of the **BTRFS layout** I chose:
1. `@` mounted at `/`.
2. `@home` mounted at `/home`.
3. `@snapshots` mounted at `/.snapshots`.
4. `@var_log` mounted at `/var/log`.