Jan 24, 2020

Failed to deploy VM: postNFCdata failed when deploying AlienVault to VMware ESXi 6.5

I have tried various browsers, including Edge, Chrome and Firefox but the error existed on all of them. I had no problem uploading the OVA file to the datastore but VMware just refused to import the damned OVA to a VM. I even asked nicely!

The Solution

There appears to be a few solutions but the one that worked for me was to use the VMware OVFTool to import the OVA file from the command line. Here’s the working command line.

1. Download Vmware OVF tool from its website and install.
https://www.vmware.com/support/developer/ovf/

2. If you istall OVF tool in C drive then,
            i. cd C:\
            ii. cd "Program Files"
            iii. cd VMware
            iv. cd "VMware OVF Tool"
3. Then for export VMware as this syntax
ovftool vi://username:password@vCenter1/Datacenter1/vm/SourceVM OVF.ovf

Eg. ovftool.exe vi://192.168.1.200/Test_Dev "W:TestOVF"
 Now its ask Esxi username and password type root user and password then continue to export ovf.

Note: The Special Characters used in the esxi password  are not supported so have to convert them to respective hex value followed by % using below link.

https://www.cisco.com/c/en/us/td/docs/ios/12_4/cfg_fund/command/reference/cfnapph.html

4. After exporting the VMware you can import to another esxi with the below syntax.


Eg. 
vftool.exe -ds=NAS_DATASTORE1 -nw="UAT" -dm=thin -n=Test_Dev "W:\NewOVF\Test_Dev\Test_Dev.ovf" vi://192.168.200.104



Hope this may help.

Jan 1, 2020

Configuring windows 10 as KMS server an activating other win 10 clients


Installing a KMS host key on a computer running Windows 10 allows you to activate other computers running Windows 10 against this KMS host and earlier versions of the client operating system, such as Windows 8.1 or Windows 7.
Configure KMS in Windows 10
  1. Open an elevated command prompt.
  2. Enter one of the following commands.
    • To install a KMS key, type slmgr.vbs /ipk <KmsKey>.
    • To activate online, type slmgr.vbs /ato.
    • To activate by using the telephone, type slui.exe 4.
  3. After activating the KMS key, restart the Software Protection Service.
Now the KMS Server is configured successfully you can activate your windows 10/8 Client using the following Command
  1. Run> CMD (Run As Administrator)
  2. Slmgr.vbs /dlv (Check KMS_Client Channel info, if not follow another steps shown below).
  3. Slmgr.vbs /skms <Server IP> (to register KMS Server at client).
  4. Slmgr.vbs /ato (to activate Client)
If there is no  KMS_Client Channel, follow this:
  1. Slmgr.vbs /ipk <Convert Key> (to convert to KMS_Client Channel)
  2. Slmgr.vbs /skms < Server IP> (to register KMS Server at client)
  3. Slmgr.vbs /ato (to activate Client)

Nov 8, 2019

Difference between VM Network and VMkernel Network(Always confusing)


The main difference between VM Network and VM Kernel Network is their purpose.

VM port Groups are used only to connect Virtual machines to Virtual Switches.Primarily these can be layer 2 Switches which only need a tagging such as vLAN tagging to make sure that the Virtual machines communicate in between themselves,communicate in between the hosts,communicate to the internet etc. With VM Port groups,you can have policies such as Security,Traffic Shaping,NIC Teaming etc.

VMkernel ports are used to connect the VMkernel to services that it controls. There can be many vmkernel ports however there is only one vmkernel. Hence the vmkernel ports can be differentiated based on the service it connects the vmkernel to. The services might be vmotion,SCSI binding,Management of the ESXi or Fault tolerant.




Jul 10, 2019

Laptop Processor Comparison: Which CPU Is Right For You?



A computer's processor is its brain, the component where most of the "thinking" happens. A faster CPU (central processing unit) lets you crunch spreadsheets, surf web pages, play games or edit photos faster, but a higher-wattage processor may also give you worse battery life.

Most laptops today are powered by an Intel CPU, though there are several models that use AMD processors. Even if you only look at Intel's lineup, there are more than two dozen different models you might see featured in a brand new notebook. Fortunately, learning the basics isn’t too difficult.

 

The first word in the processor name is the brand, which is usually "Intel Core" but may also be labeled as Xeon, Celeron, Pentium or Atom. There's also "AMD Ryzen" and "AMD FX." Following the brand, you see the brand modifier, which is most often i3, i5 or i7 but can also be other letters and numbers such as m5, x5, E or N.




On Intel processors, the first number after the hyphen is the generation indicator; the latest generation is the 9th so the very newest CPUs have an 9 here. However, many laptops that are currently for sale haven't been updated to the latest platform yet and will still have a 7 (for 7th Gen) in the model number.


Then you'll probably see some combination of a two or three digit number and a single letter which is probably U, Y, H (also H or HK). The numbers indicate that particular SKU and the letters indicate the processor line. The line is extremely important because it tells you roughly how much wattage this processor needs.


On AMD processors, the numbers and names aren't quite as straightforward. The company's new Ryzen Mobile CPUs are named Ryzen 5, which competes with Core i5 U series and Ryzen 7, which competes with Intel's Core i7 U series.


Some of the Famous Personal Purpose CPU and their capabilities with their purpose are listed below.



Purpose
Recommended CPU
Sample SKUs
Typical Battery Life
Workstation / Gaming
Intel Core i5 / i7 H Series
Core i9-8950HK, Core i5-8300H
3 to 8 hours
Everyday Productivity w/ a Boost
Intel Core i7 U Series / Intel Core i5 or i7 G Series / AMD Ryzen Mobile 7
Core i7-7500U, Core i7-8550U, Core i7-8705G
5 to 17 hours
Everyday Productivity
Intel Core i5 U Series / AMD Ryzen Mobile 5
Core i5-7200U, Core i5-8250U
5 to 17  hours
Super Thin (Mediocre Performance)
Intel Core m / Core i5 / i7 Y Series
Core m3, Core i5-7Y54
5 to 9 hours
Budget Laptops, Low Performance
Intel Celeron, Pentium
Celeron N3050, Pentium N4200
4 to 6 hours
Super Cheap, Worst Performance
Intel Atom Series
Atom Z3735F, Atom x3, Atom x5
7 to 12 hours




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