Partition with sgdisk, add swap

markob94 · Apr 17, 2021 · 4e0dcbb · 4e0dcbb
1 parent 7176b4a
commit 4e0dcbb
Showing 1 changed file with 29 additions and 39 deletions.
diff --git a/README.md b/README.md
@@ -4,43 +4,33 @@ NixOS
 # Installation
 
 ```sh
-sudo sgdisk --zap-all /dev/nvme0n1
-(
-echo o       # create a new empty GUID partition table (GPT)
-echo y       # This option deletes all partitions and creates a new protective MBR. Proceed? (Y/N)
-echo n       # Add a new partition
-echo 1       # Partition number
-echo         # First sector (Accept default: 2048)
-echo +1G     # Last sector
-echo EF00    # Partition type hex code
-echo n       # Add a new partition
-echo 2       # Partition number
-echo         # First sector (Accept default)
-echo         # Last sector (Accept default: full disk)
-echo         # Partition type hex code (accept default: 8300)
-echo c       # change a partition's name
-echo 1       # Partition number
-echo EFI     # Partition name
-echo c       # change a partition's name
-echo 2       # Partition number
-echo NixOS   # Partition name
-echo w       # write table to disk and exit
-echo y       # confirm edit
-) | sudo gdisk /dev/nvme0n1
-
-sudo partprobe
-
-sudo mkfs.fat -F32 -n EFI /dev/disk/by-partlabel/EFI
-sudo mkfs.btrfs -f -L NixOS /dev/disk/by-partlabel/NixOS
-
-sudo mount -o compress=zstd /dev/disk/by-partlabel/NixOS /mnt
-sudo btrfs subvolume create /mnt/root
-sudo btrfs subvolume create /mnt/home
-# sudo btrfs subvolume create /mnt/swap
-sudo umount /mnt
-
-sudo mount -o subvol=root,compress=zstd /dev/disk/by-partlabel/NixOS /mnt
-sudo mkdir -p /mnt/boot/efi /mnt/home
-sudo mount /dev/disk/by-partlabel/EFI /mnt/boot/efi
-sudo mount -o subvol=home,compress=zstd /dev/disk/by-partlabel/NixOS /mnt/home
+sudo su
+
+sgdisk --zap-all -o \
+    -n 1:0:+1G -t 1:EF00 -c 1:EFI \
+    -n 2:0:0 -t 1:8200 -c 2:NixOS \
+    /dev/nvme0n1
+
+partprobe
+
+mkfs.fat -F32 -n EFI /dev/disk/by-partlabel/EFI
+mkfs.btrfs -f -L NixOS /dev/disk/by-partlabel/NixOS
+
+mount /dev/disk/by-partlabel/NixOS /mnt
+btrfs subvolume create /mnt/root
+btrfs subvolume create /mnt/home
+btrfs subvolume create /mnt/swap
+umount /mnt
+
+mount -o subvol=root,compress=zstd /dev/disk/by-partlabel/NixOS /mnt
+mkdir -p /mnt/boot/efi /mnt/home /mnt/swap
+mount /dev/disk/by-partlabel/EFI /mnt/boot/efi
+mount -o subvol=home,compress=zstd /dev/disk/by-partlabel/NixOS /mnt/home
+mount -o subvol=swap /dev/disk/by-partlabel/NixOS /mnt/swap
+
+touch /mnt/swap/swapfile
+chmod 600 /mnt/swap/swapfile
+chattr +C /mnt/swap/swapfile
+fallocate /mnt/swap/swapfile -l4g
+mkswap /mnt/swap/swapfile
 ```