Broadcom / LSI MegaRAID RAID Cheat Sheet
Background When you’re running your own hardware you need to carefully consider disk redundancy. Apart from healthy current backups, disk redundancy is one of the
Disk Management
Proxmox VM suddently not booting with error “attempt to read or write outside of disk ‘hd0′”
This afternoon an important server suddenly stopped booting. Below if a screenshot of the final output, but earlier on the Proxmox boot sequence was this
How to enlarge an EXT4 or LVM disk on an Ubuntu Proxmox VM
Background LVM is normally easy to resize but on a VM you can also easily resize if you have EXT4 and no LVM. This article
How to add a new partition to a Linux server
Quick guide TLDR; First use `fdisk -l` to see what is the new empty partition: fdisk -l Then when you enter fdisk, create new partition
How to shrink and clone a disk using Clonezilla
Here is a brief how to clone disks. The practical example we use in this article is: Windows Server Magnetic hard drive media 1 TB
How to resize/expand an Ubuntu LVM disk
Background Hyper-V server with fresh Ubuntu installed. Disk was set to 25GB on install, and LVM was chosen. This procedure works for any Ubuntu file
Linux Disk Management and File System Related Commands
Introduction Here are some commands to assist with mastering disks and file systems on Linux. See Disk Space Available duf versus df -h duf is