When using hardware devices to play music from SD cards or USB disks, you may find that they play files in non-alphabetical order. In my case, the Pioneer AVIC-F940BT device in my car showed and played MP3 files in almost
Increasing CentOS LVM disk size on XenServer
The disk size of a CentOS virtual machine on XenServer can be increased with the following steps. The current VM contains one disk of 8 GB which is divided into a boot partition and an LVM partition: # fdisk -l
Versioning of tables in MySQL
In this article we will see how we can create tables in MySQL in such a way that several versions of the same table are stored in the database and we can choose which one we want to currently use.
Increasing the size of an LVM volume
In a previous article we looked at LVM. This short article describes how to grow an existing volume by adding an extra disk to the system. Specifically, we use a XenServer guest VM with CentOS installed. The first disk of
An introduction to Logical Volume Management (LVM)
Logical Volume Management (LVM) is a method of allocating space on mass storage devices that is more flexible than conventional partitioning schemes. To understand how LVM works we will first take a look at some terminology: PV: Physical Volume. This
A Linux NAS setup with software RAID and incremental backup
Characteristics I wanted to make my own Network Attached Storage (NAS) device with the following characteristics: It should have lots of disk space and new disk space should be easy to add. The primary storage should be redundant: if one