How to clear DNS Cache in Windows, Mac OS X and Linux

August 22nd, 2011 by @HKw@! | No Comments | Filed in centos, Fedora, Linux, Mac OS X, RedHat, Win Vista, Win2k8, Win7, Windows, WinXP

Your DNS cache stores the locations (IP addresses) of pages you have recently viewed. DNS cache help to speeds up the lookups within the same host.  But sometimes if the website page change before your DNS cache is updated, you will failed to access the page. For example, you received a web page with HTML 404 error codes. So you need to flush your DNS cache. Once you clear your DNS cache, your computer will query nameservers for the new DNS information you require.

Clear DNS cache on Windows XP, Vista, Win7 Read the rest of this entry »

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How to disable auto reboot after Windows Update

August 22nd, 2011 by @HKw@! | No Comments | Filed in Win2k8, Windows

The goal of Windows Update is to always keep your computer as safe and secure as possible.  So, you should enable Automatic Updates on your Computer.But some of the update will automatic reboot your machine after the update. This will cause a lot of problems on my Windows Server. The data might be corrupt or lost.

So, i decided to disable auto reboot after update installation. Below are the steps on how to disable the auto reboot after windows updates:- Read the rest of this entry »

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How to Adjust Brightness on an iMac

August 11th, 2011 by @HKw@! | No Comments | Filed in Mac OS X

If you first time use iMac, you probably will ask a question how to adjust the screeb brightness. iMac does not have brightness controls like normal LCD monitor.

Actually it is very easy to change the brightness of your screen by just hit F14 or F15 on your Apple Keyboard. Read the rest of this entry »

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