From 76910a9ff61efb7157b0df53601aabb683b86e1e Mon Sep 17 00:00:00 2001
From: Simon Cornet <simon@simoncor.net>
Date: Fri, 14 Nov 2025 13:38:40 +0100
Subject: [PATCH] feat: add more disk managmeent commands

---
 docs/linux/disk-management.md | 100 +++++++++++++++++++++++++++++++---
 1 file changed, 92 insertions(+), 8 deletions(-)

diff --git a/docs/linux/disk-management.md b/docs/linux/disk-management.md
index e385b50..2aecda4 100644
--- a/docs/linux/disk-management.md
+++ b/docs/linux/disk-management.md
@@ -3,7 +3,7 @@
 ## Show filesystems
 
 ```shell
-sudo df -h
+df -h
 ```
 
 Example output:
@@ -18,18 +18,102 @@ tmpfs           5.0M     0  5.0M   0% /run/lock
 tmpfs            97M     0   97M   0% /run/user/1003
 ```
 
-## List folders
+## List block devices
 
 ```shell
-du -h -d 1 | sort -h
+lsblk
 ```
 
 Example output:
 
 ```shell
-8.0K    ./.ansible
-8.0K    ./.config
-8.0K    ./.vim
-12K     ./.ssh
-172K    .
+NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
+sda      8:0    0   20G  0 disk 
+├─sda1   8:1    0    1G  0 part /boot
+└─sda2   8:2    0   19G  0 part 
+  ├─vg0-root 253:0 0 15G  0 lvm  /
+  └─vg0-swap 253:1 0  4G  0 lvm  [SWAP]
+```
+
+## Partition management (fdisk)
+
+```shell
+
+# Interactive partition tool
+fdisk /dev/sda
+
+# List partitions
+fdisk -l /dev/sda
+```
+
+## LVM management
+
+```shell
+# Physical volumes
+pvdisplay
+pvcreate /dev/sda2
+pvremove /dev/sda2
+
+# Volume groups
+vgdisplay
+vgcreate vg0 /dev/sda2
+vgextend vg0 /dev/sdb1
+vgreduce vg0 /dev/sdb1
+
+# Logical volumes
+lvdisplay
+lvcreate -L 10G -n lv_data vg0
+lvextend -L +5G /dev/vg0/lv_data
+lvreduce -L -2G /dev/vg0/lv_data
+lvremove /dev/vg0/lv_data
+
+# Resize filesystem after extending LV
+resize2fs /dev/vg0/lv_data  # ext4
+xfs_growfs /mount/point     # xfs
+```
+
+## Create filesystems
+
+```shell
+# ext4
+mkfs.ext4 /dev/sda1
+
+# xfs
+mkfs.xfs /dev/sda1
+
+# btrfs
+mkfs.btrfs /dev/sda1
+
+# With label
+mkfs.ext4 -L mydata /dev/sda1
+```
+
+## Disk usage
+
+```shell
+# Show inode usage
+df -i
+
+# List folders
+du -h -d 1 | sort -h
+
+# Find large files
+find / -type f -size +100M -exec ls -lh {} \;
+```
+
+## Mount operations
+
+```shell
+# Mount filesystem
+mount /dev/sda1 /mnt
+
+# Unmount
+umount /mnt
+
+# Show all mounts
+mount | column -t
+
+# Persistent mounts (add to /etc/fstab)
+/dev/vg0/lv_data  /data  ext4  defaults  0  2
+UUID=xxx          /data  ext4  defaults  0  2
 ```