Install and Setup Zimbra in CentOS

Zimbra is a suite of tools for Unix/Linux/MacOS systems, which includes a secure mail server, web mail, anti-spam/anti-virus controls, a Web management interface, integrated calendaring, mobile device sync, and more. In many ways, Zimbra is the Unix equivalent to Microsoft Exchange.

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SSL Host Headers in IIS 7

SSL Host Headers in IIS 7 allow you to use one SSL certificate for multiple IIS websites on the same IP address. Through the IIS Manager interface, IIS only allows you to bind one site on each IP address to port 443 using an SSL certificate. If you try to bind a second site on the IP address to

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Unified Communications UC SSL Certificates

A Unified Communications certificate, or UC Certificate for short, is a new type of certificate developed primarily for use with Microsoft Exchange 2007 and Microsoft Office Communications Server 2007 products. The defining feature, and really

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Install Windows 7 from USB drive using DISKPART

Windows 7 can be installed from a USB drive when the other installation methods are unavailable. We can choose between a memory card, hard drive which is USB compatible etc., and also several 3rd party tools are available for creating a USB bootable Windows 7 installation media, but I am using the “diskpart” command-line tool. Diskpart is a very good tool as it comes along with your install of Windows Vista, 7 and Server 2008.

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Linux Hotplug a CPU

How do I hotplug a CPU on a running Linux system? I would like to dynamically enable or disable a CPU on a running system?

Linux kernel does supports cpu-hotplug mechanism. You can enable or disable CPU without a system reboot.

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Content Filter by Using Squid, Squid guard / Dansguardian at Free-of-Cost

INTRODUCTION

            The post fully deals with several parts of internet based utilities and restrictions that are mainly used in IT industry like to limit the web access for some users to a list of accepted/well known web servers and/or URLs only, Block access to some listed or blacklisted web servers and/or URLs for some users, Redirect blocked URLs to an "intelligent" CGI based info page, Etc., These all are implemented by

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Create test file using fsutil Windows

The “fsutil” in windows is much similar to the “dd” tool in linux, as both of them can be used to create test files of any size.

How to:

Execute the fsutil command in the elevated command prompt. (Command Prompt > Run as Administrator)

fsutil file createnew filename file-size-in-bytes

For example to create a file named testfile of 100 Megabytes size

C:\Windows\system32>fsutil file createnew e:\testfile 104857600

File e:\testfile is created

Thats all you are done.

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HTTP Error 500.21 - Internal Server Error Handler "PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler" in its module list

I just deployed a brand new .Net 4 website in IIS on my machine and get this error:

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Controlling Web Access With SQUID

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The Linux Boot Process in Detail

1. When a PC is booted it starts running a BIOS program which is a memory resident program on an EEPROM integrated circuit.

BIOS – Basic Input Output of the System

EEPROM - Electrically Erasable Programmable Read-Only Memory

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