Linux Basic Partitioning: Difference between revisions
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* <code>/dev/nvme0n1p3</code> - Linux LVM (for: <code>/</code>, <code>/home</code>, etc.). | * <code>/dev/nvme0n1p3</code> - Linux LVM (for: <code>/</code>, <code>/home</code>, etc.). | ||
We can use <code>fdisk</code> or <code>gdisk</code> within the command line or <code>gparted</code> or other similar tool for manipulation the partition table via the graphical user interface. Note this operation will wipe all partitions and create new partitions you need. In this guide we will use the tool <code>fdisk</code> to accomplish this task. | We can use [https://manpages.ubuntu.com/manpages/jammy/en/man8/fdisk.8.html <code>fdisk</code>] or [https://manpages.ubuntu.com/manpages/jammy/en/man8/gdisk.8.html <code>gdisk</code>] within the command line or [https://manpages.ubuntu.com/manpages/jammy/en/man8/gparted.8.html <code>gparted</code>] or other similar tool for manipulation the partition table via the graphical user interface. Note this operation will wipe all partitions and create new partitions you need. | ||
== Partitioning with '''Fdisk''' == | |||
In this guide we will use the tool <code>[https://manpages.ubuntu.com/manpages/jammy/en/man8/fdisk.8.html fdisk]</code> to accomplish this task. | |||
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Syncing disks. | Syncing disks. | ||
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== References == | |||
* [[LVM Basic Operations]] | |||
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Revision as of 14:02, 12 September 2022
In this guide we are assuming that, we want to prepare the device /dev/nvme0n1 for Linux UEFI installation with LVM and GPT partition table. So the partitions that will be created are as follow:
/dev/nvme0n1p1– EFI System (for:/boot/efi),/dev/nvme0n1p2– Linux filesystem (for:/boot),/dev/nvme0n1p3– Linux LVM (for:/,/home, etc.).
We can use fdisk or gdisk within the command line or gparted or other similar tool for manipulation the partition table via the graphical user interface. Note this operation will wipe all partitions and create new partitions you need.
Partitioning with Fdisk
In this guide we will use the tool fdisk to accomplish this task.
sudo fdisk /dev/nvme0n1
# Create a new empty GPT partition table:
Command (m for help): g
# Add a new partition:
Command (m for help): n
Partition number (1-128, default 1): 1
First sector (2048-1951473664, default 2048): [Press Enter]
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-1951473664, default 1951473664): +512M
Created a new partition 1 of type 'Linux filesystem' and of size 512 MiB.
# Add a new partition:
Command (m for help): n
Partition number (2-128, default 1): 2
First sector (1050624-1951473664, default 1050624): [Press Enter]
Last sector, +/-sectors or +/-size{K,M,G,T,P} (1050624-1951473664, default 1951473664): +488M
Created a new partition 2 of type 'Linux filesystem' and of size 488 MiB.
# Add a new partition:
Command (m for help): n
Partition number (3-128, default 1): 3
First sector (2050048-1951473664, default 2050048): [Press Enter]
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2050048-1951473664, default 1951473664): [Press Enter]
Created a new partition 3 of type 'Linux filesystem' and of size 930.54 GiB.
# Change a partition type:
Command (m for help): t
Partition number (1-3, default 3): 1
Partition type (type L to list all types): 1
Changed type of partition 'Linux filesystem' to 'EFI System'.
# Change a partition type:
Command (m for help): t
Partition number (1-3, default 3): 3
Partition type (type L to list all types): 31
Changed type of partition 'Linux filesystem' to 'Linux LVM'.
# Print the partition table:
Command (m for help): p
Disk /dev/nvme0n1: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: Samsung SSD 980 1TB
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 16384 bytes / 131072 bytes
Disklabel type: gpt
Disk identifier: E5B93AC4-141D-4174-B94D-07FCBB074D5C
Device Start End Sectors Size Type
/dev/nvme0n1p1 2048 1050623 1048576 512M EFI System
/dev/nvme0n1p2 1050624 2050047 999424 488M Linux filesystem
/dev/nvme0n1p3 2050048 1953523711 1951473664 930.5G Linux LVM
# Verify the partition table
Command (m for help): v
No errors detected.
Header version: 1.0
Using 2 out of 128 partitions.
A total of 0 free sectors is available in 0 segments (the largest is (null)).
# Write the table to the disk and exit:
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
References
