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Showing posts from September, 2015

How to install GNU/Linux on a Windows PC without the BIOS password?

 Start up Windows just like you normally would, and download the latest (non-test) version of Plop Boot Manager here . Extract the zip and open the folder "Windows" in it. If you have Windows XP, double-click the file InstallToBootMenu.bat . If you have Windows Vista, Windows 7 or Windows 8, right-click the file InstallToBootMenu.bat , click Run as administrator, and then click Yes when prompted. You should now see this:  Press y , then press Enter . Wait until installation is finished and press Enter to close the window. Restart your computer. You should now see something like this (if not, restart your computer again while hammering on the F8 key, and when a menu appears, select "Back to list of operating systems" using the arrow keys and press Enter) : Press ↓ to select Plop Boot Manager and press Enter . You should now see (something like) this: If you are trying to install using a CD or DVD, select CDROM using the arrow keys and press Enter . If you a

Basic Linux SSH Client Commands

5 Basic Linux SSH Client Commands Let us review the following 5 basic command line usage of the ssh client. Identify SSH client version Login to remote host Transfer Files to/from remote host Debug SSH client connection SSH escape character usage: (Toggle SSH session, SSH session statistics etc.) 1. SSH Client Version: Sometimes it may be necessary to identify the SSH client that you are currently running and it’s corresponding version number, which can be identified as shown below. Please note that Linux comes with OpenSSH. $ ssh -V OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003 $ ssh -V ssh: SSH Secure Shell 3.2.9.1 (non-commercial version) on i686-pc-linux-gnu 2. Login to remote host: The First time when you login to the remotehost from a localhost, it will display the host key not found message and you can give “yes” to continue. The host key of the remote host will be added under .ssh2/hostkeys directory of your home directory, as shown below. localhos

How To Use SSH to Connect to a Remote Server in Ubuntu

How To Use SSH to Connect to a Remote Server in Ubuntu What Is SSH? One essential tool to master as a system administrator is SSH. SSH, or Secure Shell , is a protocol used to securely log onto remote systems. It is the most common way to access remote Linux and Unix-like servers, such as VPS instances. In this guide, we will discuss how to use SSH to connect to a remote system. Basic Syntax The tool on Linux for connecting to a remote system using SSH is called, unsurprisingly, ssh . The most basic form of the command is: ssh remote_host The remote_host in this example is the IP address or domain name that you are trying to connect to. This command assumes that your username on the remote system is the same as your username on your local system. If your username is different on the remote system, you can specify it by using this syntax: ssh remote_username @ remote_host Once you have connected to the server, you will probably be asked

How to enable wireless in RHEL 6.0

How to enable wireless in RHEL 6.0 1. Firstly, we must find out what exactly wireless device we own, you can use lspci to list all devices, # lspci 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor Miscellaneous Control 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor Link Control 01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics] 02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8042 PCI-E Fast Ethernet Controller (rev 10) 06:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01) Here is my wireless device information:  Broadcom Corporation BCM4312 802.11b/g, then we can search the drivers in www.broadcom.com, and download the suitable drivers for your devices, the following is my devices drivers download links. 32bit: http://

Installing Open Office in Windows

Installing Open Office in Windows Windows XP/2003/Vista/ 7 / 8 Quick-Start Guide for install Apache OpenOffice 4.x Versions Welcome to Apache OpenOffice Quick-Start Guide for Windows environments. Below you will find step-by-step instructions to download and install Apache OpenOffice 4.x versions on your system. You may want to print this instruction sheet for reference before beginning to download and install Apache OpenOffice. If you are experienced with the Windows operating system, you can use the instructions provided in the next section. Otherwise, skip to Comprehensive Installation Instructions section. Overview of the download and installation procedure To download and install Apache OpenOffice 4.x, follow this checklist: Review the System Requirements for Apache OpenOffice use. Download and install Java JRE if you need the features that are Java dependent. Download Apache OpenOffice 4.x.x . Login as administrator (if required). Unpack and install the downl

Types of RAM: How to Identify and their Specifications

Types of RAM: How to Identify and their Specifications There are many different types of RAM which have appeared over the years and it is often difficult knowing the difference between them both performance wise and visually identifying them. This article tells a little about each RAM type, what it looks like and how it performs. FPM RAM FPM RAM, which stands for “Fast Page Mode RAMÃ is a type of Dynamic RAM (DRAM). The term "Fast Page Mode" comes from the capability of memory being able to access data that is on the same page and can be done with less latency. Most 486 and Pentium based systems from 1995 and earlier use FPM Memory. EDO RAM EDO RAM, which stands for "Extended Data Out RAM" came out in 1995 as a new type of memory available for Pentium based systems. EDO is a modified form of FPM RAM which is commonly referred to as "Hyper Page Mode". Extended Data Out refers to fact that the data output drivers on the memory module

How to find your computer's RAM speed, type and size

How to find your computer's RAM speed, type and size   More of us use computers than ever before, and yet the ins and outs of hardware specifications remain a confusing minefield to many.  One of the trickiest areas to make sense of can be your computer’s RAM. If you’re feeling overwhelmed by trying to decode what your computer’s stats actually mean, here’s our guide on how to find out your RAM speed, size, type and more. How to find out your RAM speed, size and type: PC Step 1 By far the simplest method of finding out the details of your computer’s internal workings is by using Windows’ built-in diagnostics. If you open the Control Panel and navigate to System and Security, under the system subheading, you should see a link called ‘View amount of RAM and processor speed’. Clicking on this will bring up some basic specifications for your computer such as memory size, OS type, and processor model and speed. Step 2 However, it won’t give

Making Ethernet Cable (Straight and Crossover)

Making Ethernet Cable (Straight and Crossover) The information listed here is to assist Network Administrators in the color coding of Ethernet cables. Please be aware that modifying Ethernet cables improperly may cause loss of network connectivity. Use this information at your own risk, and insure all connectors and cables are modified in accordance with standards. The Internet Centre and its affiliates cannot be held liable for the use of this information in whole or in part. T-568A Straight-Through Ethernet Cable The TIA/EIA 568-A standard which was ratified in 1995, was replaced by the TIA/EIA 568-B standard in 2002 and has been updated since. Both standards define the T-568A and T-568B pin-outs for using Unshielded Twisted Pair cable and RJ-45 connectors for Ethernet connectivity. The standards and pin-out specification appear to be related and interchangeable, but are not the same and should not be used interchangeably. T-568B Straight-Through Ethernet Cab

How to configure printer server in Linux

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How to configure printer server in Linux Linux uses the Common UNIX Printing System , also known as CUPS. CUPS uses the Internet Printing Protocol (IPP) to allow local printing and print sharing. The /etc/cups/ directory stores all the configuration files for printing. However, these files can be easily managed with the Printer Configuration Tool in Linux. Exam question Raw (Model) printer named printer1 is installed and shared on 192.168.0.254. You should install the shared printer on your PC to connect shared printer using IPP Protocols. Exam question Raw printer named printerx where x is your station number is installed and shared on server1.example.com. Install the shared printer on your PC to connect shared printer using IPP Protocols. Your server is 192.168.0.254. Before you can use any printer, you first have to install it on a Linux system on your network. To start the Printer Configuration Tool, go to the System menu on the top panel and select

How To Install Red Hat Linux – Complete Step by Step Guide

How To Install Red Hat Linux – Complete Step by Step Guide As the open source revolution grows around the world, more and more people are starting to switch over to the Linux Operating System and pre-eminent of all the Linux OS is the Red Hat Linux, owned and distributed by the Red Hat Inc. However, installation of Linux itself is seen as a rather arduous and herculean task among many beginners/inexperienced users. As a result this document has been formulated as a step-by-step guide to ensure that everybody can install and use Red Hat Linux seamlessly and with ease. So lets start the installation, here are the steps to easily install red hat linux : Step 1 – Insert the Red Hat Linux DVD into the DVD-drive of your computer. As soon as the following screen pops up, press ‘Enter’ to install Red Hat Enterprise Linux (RHEL) through GUI mode. Step 2 – RHEL installer would then prompt you conduct a check as to whether the CD media from which you’re installing is function

How to back up your iPhone and iPad before you install iOS 9

How to back up your iPhone and iPad before you install iOS 9 So you’ve read the  iOS 9 overview  on Apple’s website. You’ve made excited noises about all the cool new stuff, such as Split View, the revamped Notes, QuickType enhancements, and smarter search. And now, you’re counting down the hours until it’s released to the masses. But before you dive in, secure your data, in case iOS 9 becomes "Nein! iOS destroyed all my data!" Such disasters are rare, but that will be of little consolation if it happens to you. Don't blindly tap install. Back-up your iOS data. Twice. Set up iCloud You get 5 GB of space on iCloud for free. Use it. Ensure you’re on Wi-Fi, open the Settings app and select iCloud. Turn on relevant options that aren’t already activated, to send important data (calendars, reminders, browser bookmarks, and so on) to the cloud. At that point, these are all safe, and

How to build your own desktop: Processor and Motherboard

How to build your own desktop: Processor and Motherboard Time to upgrade your system? Brush up on your PC-building skills with our three-part guide. In Part 1 of our three-part series, we take a look at the ins-and-outs of motherboards and CPUs, including buying tips and installation advice. Introduction: Why build a PC? Building your own PC can save you money, and it allows you to create a system that’s perfectly suited to your needs. It’s also a great way to gain familiarity with the way the various parts of your system work together – and it’s very easy to do. That’s because every component and connector in a modern PC is strictly standardised, so you can safely buy off-the-shelf components and assemble them at home to make a working system. It isn’t for absolute beginners, however, but if you’re the sort of person who’s happy opening up your PC’s case to upgrade the RAM or fit a new graphics card, there’s nothing to fear. Bu

Windows 8: How to Create a New Hard Drive Partition

Windows 8: How to Create a New Hard Drive Partition   Disk partitioning is essentially separating the hard disk into different sections or parts for storage. If you want to try a new operating system without overwriting your main Windows drive, you can do this partitioning the hard drive. Partitioning the hard disk also makes it possible to multiboot different operating systems. In addition to creating multiboot configurations, you can also use partitions as extra storage mediums for specific files or for backing up important files. Benefits of Having Another Partition: Backup System Files Install multiple Operating Systems Extend the functionality of the hard drive Improve security (you can use the other partition in case one fails) Creating a Partition on Windows 8 Hold the Windows logo key on your keyboard and press “R” ( Winkey+R). This will launch the Run the utility. Type “diskmgmt.msc” inside the text box and press Enter . This will open the Windows D

How to create a bootable USB flash drive to install Windows 8

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How to create a bootable USB flash drive to install Windows 8 Like many folks, after watching the BUILD keynote this morning, I couldn't wait to get home and install Windows 8 Developer Preview on my laptop. The instructions for installing Windows 8 are simple enough. The only fly in the ointment is that installing Windows 8 requires a DVD to create an install package. Of course, since I haven't used an optical drive in years, I didn't have a blank DVD and I didn't want to wait until the morning to buy some. But I did have a USB flash drive and so I decided to create a bootable USB flash drive to install Windows 8. To create a bootable USB flash drive the easy way , you can download the Windows 7 USB/DVD download tool from the Microsoft Store. If you feel adventurous and are comfortable with command line tools, below are the step-by-step instructions for installing Windows 8 Developer Preview from a USB flash drive. But be warned, if you are not