The musings of an IT Consultant:

May, 2009


May 31, 2009  7:34 PM

New version of ghettoVCB out!



Posted by: Raj Perumal
ESXi 4.0, ghettoVCBg2, http://communities.vmware.com/docs/DOC-9843, VIMA, vSphere, William Lam

So my favourite script has a new version out! William Lam's ghettoVCB script is now called ghettoVCBg2 and it's bigger and better than ever! He has come out with a new script that works with version vSphere version 4 without the need for the SSH console. He's also added a lot of new features...

May 31, 2009  7:26 PM

Upgrade ESXi 3.5 to ESXi 4.0 without vCenter



Posted by: Raj Perumal
Upgrade ESXi 3.5 to ESXi4.0, upgrade ESXi to vSphere 4, Upgrade to vSphere 4.0, vCenter, vSphere client, vSphere host update utility, without vCenter

So ESXi 4.0 is now available and you want to get cracking learning everything you can about it. You go to upgrade it in your home environment or your test lab and you realize you can't do anything because you don't have vCenter. What do you do? Never fear! You can upgrade it anyway! What's the...


May 31, 2009  7:17 PM

Time to start planning for 10 GbE networks



Posted by: Raj Perumal
1 Gbps, 10 GbE, 10/100 Mbps, upgrade your network

So in this day and age 10 GbE switches are starting to become more popular. Recently many 10 GbE offerings have been announced from various vendors. This has got me thinking. Taking a quick survey of networks I have come across, there is still a huge proliferation of 10/100 and people are still...


May 31, 2009  7:10 PM

Implementing Location Awareness in your Organization



Posted by: Raj Perumal
Cisco Wireless, Cisco Wireless Location Appliance, lightweight APs, lwapp, RFID, RFID tagging, wireless controllers

Hi folks, so if there is one thing that is annoying it's misplacing things. Whether it's some sort of important customer inventory, or whether it's a piece of hardware you own and you need to know it's whereabouts. What do people do in large organizations where you need to keep track of...


May 26, 2009  4:18 PM

Configuring UPS Server Shutdown in your network environment



Posted by: Raj Perumal
power outage, shutdown servers gracefully, UPS managed shutdown, UPS monitoring, UPS software agent

One thing I'd like to add to my previous post regarding UPS'. The other thing that is consistently seen out there in the IT world is not only administrators forgetting to change out expired batteries, but also administrators not configuring UPS' to shutdown their servers properly. Most UPS' come...


May 26, 2009  4:13 PM

Replacing UPS Batteries on a timely basis



Posted by: Raj Perumal
battery age, replace UPS batteries, UPS, UPS battery expiration, UPS maintenance

So when asking clients about the most important things in their server room you will consistently hear answers about the speed and power of their network, or the latest loaded server they have. Perhaps they will even talk about the great things they've done with virtualization. However, the one...


May 25, 2009  12:43 AM

Where to go for good wireless info



Posted by: Raj Perumal
CCNA Wireless, certifications, Cisco, CUWNE, CWTS, vendor neutral, Wireless #

So I've often been asked where to go for good wireless info when you're starting to learn the wireless trade as it relates to IT. This isn't one of those things every tech out there knows how to do aside from the home based wireless routers available in your local electronics retailers. There...


May 25, 2009  12:37 AM

Racking HP BladeSystems



Posted by: Raj Perumal
C3000, C7000, interconnects, mezzanine mapping, racking a HP BladeSystem

One of the things I've seen a lot of is improper racking of HP BladeSystems. Sometimes people don't take the time to RTFM and end up putting the whole thing together wrong in the rack. You'd think this wouldn't be possible but it's not that hard to do. Two major things stand out wrong when...


May 25, 2009  12:27 AM

Offsite Backups in Large Data environments without tape



Posted by: Raj Perumal
backup, data centers, Deduplication, replication, robotic libraries, tape libraries, terabytes, VTL

Hi folks, I wanted to talk backup for a second. Now in large data center environments backup strategies aren't always cut and dry. You are usually dealing with large amounts of data and very small backup windows. We're talking about servers that need to be up 24/7 and 365 days a year and lots of...


May 23, 2009  3:05 AM

Containing Rogue Wireless Lans in your Corporate Environment



Posted by: Raj Perumal
AP's, Cisco Wireless, containing rogue access points, rogue access points, wireless security

So one of the more common technologies I see being implemented in my day to day work is wireless. Wireless is one of those mixed bags. It's a great technology that offers a lot of convenience to your users but at the same time it can be a huge security risk and a pain to maintain. One of the...


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