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DNS Memory consumption on Windows 2008 R2

Windows-Server-2008-R2Q. I did a fresh install of Windows 2008 R2 and my DNS memory consumption is going through the roof. If I reboot, it's ok briefly, but then it goes up again. How can I stop it?

A. There are a lot of discussions about DNS high memory utilization on Windows 2008 R2 floating around. A lot of them point to disabling EDNS, which does not decrease the memory usage. The real problem is in fact due to the ports that DNS opens up: 2500 UDP IPv4 and 2500 UDP IPv6. This is a nice and round number for a busy production DNS server, however, for an internal DNS in a small office this is way too much.

Wednesday, 16 November 2011 08:32
 

Multiple IP adresses for network device

Q. I am using Ubuntu Linux and I would like to know how to create alias for eth0 so that I can have multiple IP address?

A. To create alias for eth0 use ifconfig command. It is use to configure a network interface and aliases.

Assuming that your eth0 IP is 192.168.1.10 and you would like to create an alias eth0:0 with IP 192.168.1.11. Type the following command:

Tuesday, 08 November 2011 15:25
   

Find out if processor is 32bit or 64 (Linux)

Q. How can I find out if my processor is 64 bit or 32, under linux.

A. Open shell and type:

cat /proc/cpuinfo

You will get an output, most likely of more than one CPU. Let's just pick one and look at it:

Thursday, 03 November 2011 07:14
   

Clear text formatting (Word)

ms office logoQ. How do I clear formatting in Word 2007/2003?

A. Here are the steps:

1. Select the text that you want to clear the formatting from.
2. On the Home tab, in the Font group, do one of the following click Clear Formatting icon: clear formatting

Tuesday, 18 October 2011 06:49
   

Ubuntu 11.10 move the clock from the middle

gnome2-logo-text-194Q. I've installed Gnome instead of Unity on Ubuntu 11.10, now my clock is the middle of the screen. How do I move it?

A.The process is fairly easy, once again, I don't know why they've changed it from what it was:

1. Hold Alt (it may be Windows key instead) and right-click the clock.

2. Once clicked, you'll get an option to Move or Remove From Panel. Then you can drag it around the bar.

Friday, 14 October 2011 14:59
   

Install Gnome in Ubuntu 11.10 (Oneiric Ocelot)

ubuntu-logo-smHere we go again. A new version of Ubuntu is out and if you still don't want to switch from it because of Unity, you are welcome to try and install Gnome. (I didn't try removing or disabling Unity this time, but you are welcome to).

Keep in mind that the new gnome leaves a lot to be desired (like that clock in the middle of the screen) and will take some time to get used to (not as much as Unity though).

Steps:

1. Open shell and run:

sudo apt-get install gnome-shell

2. Once installed, you have to reboot.

Friday, 14 October 2011 08:23
   

Clearing master boot record (Linux)

hard-drive-iconQ. I'm trying to wipe clean a hard drive. No matter what I do, I can't get rid of this GRUB on my screen. How do I wipe it out?

A. You have to delete the master boot record on the disk. Regular format will not do it.

 

Be careful, running those commands can mess up your working hard drives, if you don't specify the proper device.

1. If you are working under Linux, this is the command to clear it:

Saturday, 08 October 2011 09:36
   

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