Oliver Freyermuth

A collection of my projects

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Installing ArchLinux the opinionated way (WIP)

Similar to official instructions, but with some opinionated decisions.

Warning: This is currently still work-in-progress!

These instructions follow the official ArchLinux installation instructions, but divert in an opinionated way in some steps. Follow with caution, and only if you know what you are doing!

1. For partitioning, we use gdisk, we target the following layout:

   # gdisk /dev/nvme0n1
      
   Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         2099199   1024.0 MiB  EF00  EFI system partition
   2         2099200         4196351   1024.0 MiB  EA00  XBOOTLDR partition
   3         4196352      3907028991   1.8 TiB     8300  ArchLinux
   

2. Formatting:

   mkfs.fat -F 32 /dev/nvme0n1p1
   mkfs.ext4 /dev/nvme0n1p2
   #FIXME: add LUKS here!
   mkfs.btrfs -O block-group-tree /dev/nvme0n1p3
   

3. Setup BTRFS with separate volumes for rootfs and home for usage of btrbk:

   #FIXME: LUKS!
   mkdir /mnt/btrfs_pool
   mkdir /mnt/rootfs
   mount -t btrfs -o defaults,noatime,compress-force=zstd:6,ssd /dev/nvme0n1p3 /mnt/btrfs_pool
   btrfs subvol create /mnt/btrfs_pool/rootfs
   btrfs subvol create /mnt/btrfs_pool/home
   btrfs subvol create /mnt/btrfs_pool/nobackup
   mkdir /mnt/btrfs_pool/_btrbk_snap
   mount -t btrfs -o defaults,noatime,compress-force=zstd:6,ssd,subvol=rootfs /dev/nvme0n1p3 /mnt/rootfs
   btrfs subvolume set-default /mnt/rootfs
   mkdir /mnt/rootfs/home
   mount -t btrfs -o defaults,noatime,compress-force=zstd:6,ssd,subvol=home /dev/nvme0n1p3 /mnt/rootfs/home
   btrfs subvolume list /mnt/btrfs_pool
   mkdir /mnt/rootfs/efi
   mount /dev/nvme0n1p1 /mnt/rootfs/efi
   mkdir /mnt/rootfs/boot
   mount /dev/nvme0n1p2 /mnt/rootfs/boot
   

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