I believe the Next Generation Computing is Software Defined Infrastructure on top of the robust physical infrastructure. You can ask me anything about enterprise infrastructure (virtualization, compute, storage, network) and we can discuss it deeply on this blog. Don't hesitate to contact me.
Thursday, January 08, 2009
Tuesday, January 06, 2009
Monday, January 05, 2009
Tuesday, December 23, 2008
Top 10 PowerShell scripts that VMware administrators should use
Top 10 PowerShell scripts that VMware administrators should use
By Eric Siebertpublished: Wednesday, December 10 2008
http://www.virtual-strategy.com/Eric-Siebert-s-Top-10/Top-10-PowerShell-scripts-that-VMware-administrators-should-use.html
Tuesday, December 09, 2008
iSCSI on FreeBSD
FreeBSD iSCSI howto
http://www.cyberciti.biz/faq/freebsd-iscsi-initiator-howto/
FreeBSD network link agregation
http://www.freebsd.org/doc/en/books/handbook/network-aggregation.html
http://www.cyberciti.biz/faq/freebsd-iscsi-initiator-howto/
FreeBSD network link agregation
http://www.freebsd.org/doc/en/books/handbook/network-aggregation.html
Thursday, November 27, 2008
Friday, November 21, 2008
ESX Server, IP Storage, and Jumbo Frames
Very good article about setting end-to-end Jumbe Frames on VMware environment.
http://blog.scottlowe.org/2008/04/22/esx-server-ip-storage-and-jumbo-frames/
Note: even it's not supported solution yet
http://blog.scottlowe.org/2008/04/22/esx-server-ip-storage-and-jumbo-frames/
Note: even it's not supported solution yet
Saturday, October 11, 2008
UBNT Wispstation - default config
UBNT: WispStation board - 22 dBm AP/klient (5 GHz)
| Default IP | 192.168.1.20 |
|---|---|
| Default name | ubnt |
| Default password | ubnt |
Friday, October 10, 2008
System Information for Windows
SIW is an advanced System Information for Windows tool that gathers detailed information about your system properties and settings and displays it in an extremely comprehensible manner.
http://www.gtopala.com/
This tool is extremely useful when you need to get your activation code from already installed Windows OS. When this tool does not work you can try KeyFinder
http://magicaljellybean.com/keyfinder/
http://www.gtopala.com/
This tool is extremely useful when you need to get your activation code from already installed Windows OS. When this tool does not work you can try KeyFinder
http://magicaljellybean.com/keyfinder/
Wednesday, October 01, 2008
New VMware technologies are comming ...
Look at web-casts bellow to see what new technologies are coming from VMware.
VMware FT (Fault Tolerance)
http://download3.vmware.com/vdcos/demos/FT_Demo_800x600.html
VMWare Distributed Virtual Switch
http://download3.vmware.com/vdcos/demos/DVS_Demo_800x600.html
Host Profiles
http://download3.vmware.com/vdcos/demos/Hostprofiles_Linked_VC_800x600.html
Storage vMotion (GUI)
http://download3.vmware.com/vdcos/demos/Storage_VMotion_800x600.html
VMware FT (Fault Tolerance)
http://download3.vmware.com/vdcos/demos/FT_Demo_800x600.html
VMWare Distributed Virtual Switch
http://download3.vmware.com/vdcos/demos/DVS_Demo_800x600.html
Host Profiles
http://download3.vmware.com/vdcos/demos/Hostprofiles_Linked_VC_800x600.html
Storage vMotion (GUI)
http://download3.vmware.com/vdcos/demos/Storage_VMotion_800x600.html
Citrix XenServer & EqualLogic Storage Integration
No words are needed. Just watch demo at http://bits.xensource.com/demo/Dell/eql/xenserver_equallogic_demo.htm
Sunday, August 24, 2008
How to crimp RJ45 connector?
There are two norms EIA TIA 568A and 568B. Look at picture.

Nice article with more information is at http://www.ertyu.org/steven_nikkel/ethernetcables.html

Nice article with more information is at http://www.ertyu.org/steven_nikkel/ethernetcables.html
Thursday, July 24, 2008
VirusTotal
Virustotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines. More information...
Tuesday, July 08, 2008
Wednesday, June 25, 2008
Understanding and fixing VMware ESX problems without pulling the plug
VMWARE MANAGEMENT, MIGRATION AND PERFORMANCE
Understanding and fixing VMware ESX problems without pulling the plug
Eric Siebert, Contributor
06.24.2008
LINK TO ARTICLE
Understanding and fixing VMware ESX problems without pulling the plug
Eric Siebert, Contributor
06.24.2008
LINK TO ARTICLE
Wednesday, June 04, 2008
VMware: configuring a static MAC address in a VM
Original article from http://virtrix.blogspot.com/2007/04/vmware-configuring-static-mac-address.html
Sometimes it can be necessary to configure a static MAC address in a VM. A typical issue during P2V is an application that has its licensing based on the MAC address.
VMware has defined that VirtualCenter does not use the following range: 00:50:56:00:00:00 to 00:50:56:3F:FF:FF where 00:50:56 is the OUI.
The steps:
1. Power off & remove the server from the VirtualCenter inventory. This is a necessary step, because VC will overwrite your settings during Power On!
2. Edit the .vmx file and locate the following generated MAC address:
Ethernet0.addressType =
and
Ethernet0.generatedAddress =
3. Change the value for ethernet0.addressType from “vpx” to “static”
4. Change ethernet0.GeneratedAddress to ethernet0.Address
5. Change the current MAC to a MAC address in the following range:
00:50:56:00:00:00-00:50:56:3F:FF:FF
6. In VirtualCenter, select an ESX host and go to storage
7. Browse the data store & locate your VM
8. Right-click on the .vmx file, and select Add to inventory
9. Power On the server. Issue the command ipconfig /all and locate the VMware NIC. Your manually assigned MAC address should be there.
I know you can set your MAC address inside Windows, but I would avoid this.
Sometimes it can be necessary to configure a static MAC address in a VM. A typical issue during P2V is an application that has its licensing based on the MAC address.
VMware has defined that VirtualCenter does not use the following range: 00:50:56:00:00:00 to 00:50:56:3F:FF:FF where 00:50:56 is the OUI.
The steps:
1. Power off & remove the server from the VirtualCenter inventory. This is a necessary step, because VC will overwrite your settings during Power On!
2. Edit the .vmx file and locate the following generated MAC address:
Ethernet0.addressType =
and
Ethernet0.generatedAddress =
3. Change the value for ethernet0.addressType from “vpx” to “static”
4. Change ethernet0.GeneratedAddress to ethernet0.Address
5. Change the current MAC to a MAC address in the following range:
00:50:56:00:00:00-00:50:56:3F:FF:FF
6. In VirtualCenter, select an ESX host and go to storage
7. Browse the data store & locate your VM
8. Right-click on the .vmx file, and select Add to inventory
9. Power On the server. Issue the command ipconfig /all and locate the VMware NIC. Your manually assigned MAC address should be there.
I know you can set your MAC address inside Windows, but I would avoid this.
Tuesday, June 03, 2008
Monday, June 02, 2008
DELL Professional Services aneb GICS
Presne 15.5.2006 jsem nastoupil do DELLu a psal jsem o tom, ze DELL krome produktu nabizi i profesionalni konzultanty, architekty a inzenyry. Viz.
http://davidpasek.blogspot.com/2006/06/dell-jak-ho-mon-neznte.html
Presne 15.5.2008 jsem se stal clenem byvaleho DPS - DELL Professional Services, ktere se dnes jmenuje GICS - Global Infrastructure Consulting Services. Moje zamereni je primarne na serverovou konsolidaci a virtualizaci, nicmene jelikoz jsem zatim prvni Solution Architect DELLu v Ceske Republice, tak mam na starosti i enterprise storage a networking.
http://davidpasek.blogspot.com/2006/06/dell-jak-ho-mon-neznte.html
Presne 15.5.2008 jsem se stal clenem byvaleho DPS - DELL Professional Services, ktere se dnes jmenuje GICS - Global Infrastructure Consulting Services. Moje zamereni je primarne na serverovou konsolidaci a virtualizaci, nicmene jelikoz jsem zatim prvni Solution Architect DELLu v Ceske Republice, tak mam na starosti i enterprise storage a networking.
Wednesday, April 16, 2008
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