mirror of
https://github.com/classy-giraffe/easy-arch.git
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52 lines
3 KiB
Markdown
52 lines
3 KiB
Markdown
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### Introduction
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[easy-arch](https://github.com/classy-giraffe/easy-arch) is a **bash script** made in order to install **Arch Linux** and configure it with proper settings (while keeping it vanilla):
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1. BTRFS bootable snapshots from GRUB
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2. LUKS2 encryption
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3. [ZRAM](https://fedoraproject.org/wiki/Changes/SwapOnZRAM) as swap
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4. [systemd-oomd](https://fedoraproject.org/wiki/Changes/EnableSystemdOomd)
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5. Autodetect VMs and provide guest tools (if available)
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6. Sane defaults
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### How does it work?
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1. Download an Arch Linux ISO from [here](https://archlinux.org/download/)
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2. Flash the ISO onto an [USB Flash Drive](https://wiki.archlinux.org/index.php/USB_flash_installation_medium)
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3. Boot the live environment
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4. Set the keyboard layout by using `loadkeys <kblayout>`
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5. Connect to the internet
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6. Run this `bash <(curl -sL bit.ly/easy-arch)`
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### Partitions layout
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| Partition Number | Label | Size | Mountpoint | Filesystem |
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|------------------|-----------|-------------------|----------------|-------------------------|
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| 1 | ESP | 512 MiB | /boot/ | FAT32 |
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| 2 | Cryptroot | Rest of the disk | / | BTRFS Encrypted (LUKS2) |
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The **partitions layout** is simple and 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 Linux Wiki. As you can see there're only two partitions:
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1. A **FAT32**, 512MiB sized, mounted at `/boot/` for the ESP.
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2. A **LUKS2 encrypted container**, which takes the rest of the disk space, mounted at `/` for the rootfs.
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### BTRFS subvolumes layout
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| Subvolume Number | Subvolume Name | Mountpoint |
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|------------------|----------------|-------------------------------|
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| 1 | @ | / |
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| 2 | @home | /home |
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| 3 | @root | /root |
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| 4 | @srv | /srv |
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| 5 | @snapshots | /.snapshots |
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| 6 | @var_log | /var/log |
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| 7 | @var_pkgs | /var/cache/pacman/pkg |
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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:
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1. `@` mounted at `/`
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2. `@home` mounted at `/home`
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3. `@root` mounted at `/root`
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4. `@srv` mounted at `/srv`
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5. `@snapshots` mounted at `/.snapshots`
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6. `@var_log` mounted at `/var/log`
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7. `@var_pkgs` mounted at `/var/cache/pacman/pkg`
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