BLE stands for Bluetooth Low Energy. BLE is relatively newer technology compared to the classic Bluetooth we have come to know in recent years in terms of development and internal operation. Also, BLE is not backwards compatible with classic Bluetooth. Hence, most device manufacturers couple classic and BLE on a single chip to allow users [...]
Hardware
RAID 10 is not the same as RAID 01. This article explains the difference between the two with a simple diagram. I’m going to keep this explanation very simple for you to understand the basic concepts well. In the following diagrams A, B, C, D, E and F represents blocks. RAID 10 RAID 10 is [...]
As part of the on-going VMware article series, earlier we discussed about VMware virtualization fundamentals, and how to install VMware Server 2. In this article, let us discuss about how to install VMware ESXi. VMware ESXi is free. However, the software comes with a 60 days evaluation mode. You should register on VMware website to [...]
Disk space is never enough. On an on-going basis system administrators will be getting request to increase the disk space on a server. In this article, let us review how to add new physical disks and create a virtual disk with a RAID configuration on an DELL PowerEdge Server using PERC 6/i Integrated BIOS Configuration [...]
Photo courtesy of Olivander 1. What is PoE – Power Over Ethernet? Power over Ethernet (PoE) does exactly what it says — it carries power over ethernet cables. So, an ethernet cables caries both data and current together to operate devices like wi-fi access points. This is very helpful to install wi-fi access points in [...]
Photo courtesy of viagallery.com This is a guest post written by SathiyaMoorthy. lshw (Hardware Lister) command gives a comprehensive report about all hardware in your system. This displays detailed information about manufacturer, serial number of the system, motherboard, CPU, RAM, PCI cards, disks, network card etc., Using lshw, you can get information about the hardware [...]
Photo courtesy of Jamison Judd This is a guest post written by SathiyaMoorthy. Wakeonlan (wol) enables you to switch ON remote servers without physically accessing it. Wakeonlan sends magic packets to wake-on-LAN enabled ethernet adapters and motherboards to switch on remote computers. By mistake, when you shutdown a system instead of rebooting, you can use [...]
OMSA is a web based application to manage DELL PowerEdge Servers. Using OMSA you can perform proactive system monitoring, system diagnosis, troubleshoot hardware issues and configure RAID etc., You can also view and manage hardware’s embedded system management (ESM) log using OMSA. This is an jumpstart guide that explains how to install Dell OMSA on [...]
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about