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Ubuntu 12.04 vs Linux Mint and Fedora

Ubuntu 12.04 LTS (long-term support) was just released, which brings us again to the question of what Linux distribution we should be using.  The three top Linux distros are (and have been for a...

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Variants of Ubuntu 12.04

There are a number of distributions based on Ubuntu 12.04 with the major difference being the default desktop environment, but also the default applications that come installed.  Not everyone likes...

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Disable an OCS User using VBscript

One of our readers just asked us how to to disable a user's OCS access using a VBscript.  No problem, here's how.  I haven't done much with VBscript lately, let me blow the dust off my VBscript...

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Linux Mint 13 Maya vs Ubuntu 12.04 Precise Pangolin

Linux Mint 13 "Maya" is out!  I'm running it under VMware Player and it appears to be rock solid.  Mint 13 is based on Ubuntu 12.04 "Precise Pangolin", which is the most recent release of the...

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Windows 8 Consumer Preview

I just installed the Windows 8 Consumer Preview.  Wow, what a difference from Windows 7.  The first thing you notice is that the initial screen is a graphic image with a clock on it (like a smart...

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Fedora 17 - Ubuntu 12.04 - Mint 13

In the past month, the three most popular Linux distros all came out with new versions, including Fedora 17 "beefy miracle", Ubuntu 12.04 "Precise Pangolin", and Linux Mint 13 "Maya".  There's a...

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Transfer Your Contacts from Android to iPhone

Howto transfer your contacts from an Android phone to an iPhone:  I just got a new iPhone, and my old Android phone had all my contacts stored on it.  Searching online, everyone says to sync your...

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Linux Virtualization without a Hypervisor

Want to run half a dozen copies of Linux on your laptop, but you don't have 8 GB or RAM?  You can, and you don't need Virtual Box, VMware Player, XEN, or KVM.  Those technologies are great, especially...

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3PAR Storage Provisioning

Understanding how storage is provisioned on a 3PAR P10000 storage array goes a long way to explain why 3PAR performance is so good and so predictable, and why storage management on the 3PAR is so...

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Cisco UCS - The Next Step in Blade Architecture

I've been working with blade servers for almost ten years, when I first started working on the HP P-class blades.  Back then, virtualization was in its infancy, and the typical rack-mount server was...

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My Big Data Infrastructure Problem

Moving big data to and from that shiny new data warehouse solution is taking too long!  That's what we've discovered as we start ramping up our use of the solution.  We've got 150TB of space on this...

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Home Lab: CentOS 6.3 as a firewall and Router

Here's how I setup CentOS 6.3 as a firewall/router in my home lab.  I've got a standalone server running VMware ESXi with a few VMs on it.  I wanted to setup a protected subnet behind a firewall, so...

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How to Fix a Slow iPhone

Ever since Apple released the latest IOS version, my iPhone started running slow.  Apps ran slow and web pages were slow to load.  Turns out there's an easy way to fix it.  Simply backup and restore...

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Throughput Calculator

Here's a throughput and transfer time calculator.  So many times, someone tells me that say, it took them 32 hours to transfer a 3TB file, or they ask me how long it will take to copy a 2TB file over...

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Transfer Time Calculator

Here's a calculator to determine how long a large file transfer will take.  This will no doubt be handy if you're planning to migrate data over the WAN, migrate servers from one data center to...

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How to Watch and Record HDTV on Your PC - Part 1

I recently got myself set up to watch and record high-definition TV (HDTV) using Windows Media Center on a nettop PC connected to a Silicon Dust HDhomerun digital cable card TV tuner.  Up til now, I'd...

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Converting Python Objects to JSON

Converting a Python object to JSON allows the object's data to be stored or transmitted as text, so that it can be, for example, sent over an http session, and then converted back into an object....

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[SOLVED] Gnome-Shell Just Broke on Ubuntu 12.10

[SOLVED - see below] Yesterday, after applying the latest updates for Ubuntu 12.10 x86, upon a subsequent reboot, Gnome-shell suddenly stopped working.  After entering my password, I was greeted by a...

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Configuration Auditing – Who Changed What, Where and When

As an Active Directory expert, I've often been called upon to do some forensics to determine when the last time some disgruntled employee logged on using their account, how many bad logon attempts...

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TCP/IP Subnet Calculator

Here's a free, handy utility that you can use to calculate the properties of an IP subnet.  Given an IP Address and a subnet mask, we can calculate the network address, the first and last addresses in...

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Best Practices - Disabling Users in Active Directory

Tools for disabling and de-provisioning users and groups in Active Directory When a user goes on extended leave (e.g. maternity leave, military deployment), it's a good idea to disable their user...

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Ubuntu - Boot Disk for BIOS Update

So your PC/Laptop manufacturer provides you with a BIOS update that requires you to boot from a DOS floppy disk to perform the BIOS update. Uh, it's 2013. If I'm not mistaken, the last operating...

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Tools: Active Directory Automation and Rules Enforcement

Many Active Directory administrators are often faced with daunting tasks on a daily basis, like generating reports, importing and exporting users from one platform to another, enforcing security...

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Ubuntu Quick Start

Want to run Ubuntu quick and easy, without an extra PC? You can run it in a virtual machine on your Windows PC. You can get really good free virtualization software that not only lets you run Ubuntu...

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PowerCLI: Search and Destroy Old VMware SnapShots

We all know it's bad to leave snapshots lying around in VMware. Snapshots grow over time and can cause disk space and performance issues. Sometimes it's easy to forget that you created them. So you...

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