CiscoNET

Here is useful tips to reduce Firefox high memory usage. Before changing options, you are better to save previous option in case any issues.

Here is the Firefox 3.6 memory usage before changes by Taskmgr. As you can see Firefox is taking 252M. Let's see how much we can reduce Firefix high memory usage after modification.

Here is quick steps of ' How to upgrade Free ESXi 3.5 to ESXi 4.0 '. The procedure is pretty straightforward, but it take a time... be patient!.  Of course, before start this process, make sure you bot copy of VMs.

1. Backup

It is very important step. Everything is on you risk, but Always Always Always backup is needed in any circumstance. Don't make a situation to pull your hair in your failure. Definitely not a good thing.

We have installed Veeam FastSCP free version. Yes it does support Free ESXi 3.5 and 4.0. It is really fast compared to other ways to back up and restore.

Also, before starting upgrade your Free ESXi3.5, power down all the guest OSs and put your ESXi 3.5 on "maintenance mode"

 2. Download upgrade package

You need to download ESXi 4.0 upgrade package from the VMware website. The file looks like "ESXi-4.0.0-xxxxxx-upgrade-release.zip". You need to register, not just only get the package, but also getting ESXi 4.0 licenses.  

 3. Download Free vSphere Client 4.0 

You can download vSphere Client 4.0 from VMware website, or you can extract it from the ESXi 4.0 package using 7-zip manager. See the path to extract below picture.

ESXi-4.0.0-1.9.208167-upgrade-release.zip\VMware-viclient.vib\data.tar.gz\data.tar\.\4.0.0\client\

I always curious about universe, but I couldn't afford buying decent telescope. This is cool website and you can learn something you never think about it. 

What is a WorldWid Telescope?

The WorldWide Telescope (WWT) is aWeb 2.0 visualization softwareenvironment that enables your computer to function as a virtual telescope—bringing together imagery from the best ground and space-based telescopes in the world for a seamless exploration of the universe.

We saw Solarwinds provides good free tools, and tried to test a Solarwinds Netflow Configurator, but never chance.

Today, we installed it as fly and then..... We got below alers while we were trying to test Netflow Configurator with Cisco 7200 with Version 12.2(13)T16.
 

"The specified credentials do not have both read and write permission on the device. You must specify credentials with read-write access."

Isn't that too real on subject? I hope!

I believe that at least some of you guys agree with me here. If someone is preparing for CCIE lab exam, more than few hours typing same commands all over again. I don't want to use too many alias commands, but 5~10 alias for essential commands would be really help. You should try it.

Here is aliases I am using it.

s = show ip int brief
si = show run int
sr = show ip route
r = show run