Davoud Teimouri - Virtualization & Datacenter

A technology blog mainly focusing on virtualization and datacenter

Category: Free Tools

Free IT, Virtualization, Monitoring And Backup Utilities.

VMware Tools Client – Interact with a VM without Network Connectivity

VMware Tools Client

VMware Tools Client is a beta tools to interact with VMs without network connectivity. May know, there is some vSphere API that developers can write some codes and developing their tools for vSphere environments.

VMware Tools Client written by Pierre Lainé is a useful tool to managing virtual machines via vSphere Guest API and VMware Tools.

The tool developed by Java, so JRE or JDK should installed on manage machine. As Java is cross-platform run-time, so VMware Tools Client will run on any machine, Windows, Linux, Unix and Mac.

VMware Tools Client allows administrators to:

  • Upload and download files between management client machine and virtual machine.
  • Run scripts to reconfigure operating system, troubleshooting and other tasks.
  • Troubleshooting network by ping some addresses from within the virtual machine.

VMware Tools Client be able to connect to vCenter and load vCenter inventory, so administrators can select and manage any virtual machine.

PowerCLI also provides commands such as Invoke-VMScript to run script or batch via VMware Tools on virtual machines but VMware Tools Client is more featured.

It’s beta version yet but available on this link for public download:

Download Link

Screenshots:

VMware Tools Client - Main Window

VMware Tools Client - VM Window

Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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RVTools 3.9.2

You may know this great free tool that I guess, most of VMware vSphere administrators used it for create reports from their environment.

RVTools is a Windows .NET application and you need to install .NET4 for run the latest version.

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Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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Oracle Software Collections 2.3

The Software Collections library allows you to install and use several different versions of the same software at the same time on a system.  Software collections are primarily intended for development environments.  These environments often require more recent versions of software components such as Perl, PHP, or Python to access to the latest features.  However, they also need to avoid the risk of disrupting processes on the system that rely on different versions of these components.

You use the software collection library utility (scl) to run the developer tools from the software collections that you have installed. The scl utility isolates the effects of running these tools from other versions of the same software utilities that you have installed.

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Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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VMCalc – Calculate CPU Ready

CPU Ready

As you may know, CPU ready is one of important metrics that you should consider them for deeper monitoring or troubleshooting performance issues on your machines.

CPU Ready Time is: how long is your virtual machine is waiting in line to use the CPU on the host?

There is some best practices about CPU Ready:

CPU Ready will calculate for each CPU and virtual machines CPU Ready must be divided to total of vCPUs on the machine.

CPU Ready is related to your CPU consolidation ratio, as example: You can assign 2:1 virtual CPU per physical CPU to your machine for achieve best performance and lower CPU Ready.

<5% CPU Ready
Generally No Problem!

5%-10% CPU Ready
Minimal contention that should be monitored during peak times

>10% CPU Ready
Contention to be investigated & addressed where the end user experience is being impacted.

Any Higher CPU ready will likely be impacting your users, and should be investigated.

Calculation

You can calculate your CPU Ready from your real-time performance charts by the below formula:

(CPU summation value / (<chart default update interval in seconds> * 1000)) * 100 = CPU ready %

Check the below VMware KB:

KB2002181

VMCalc

VMCalc is a tools for CPU Ready and CPU Summation that it’s available on this LINK

You can calculate and convert CPU Ready and CPU summation very faster by this tools.

VMCalc.com

Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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NMONVisualizer – Free ESXTOP Tool

NMONVisualizer

NMONVisualizer is a Java GUI tool for analyzing nmon system files from both AIX and Linux. It also parses IOStat files, IBM verbose GC logs, Windows Perfmon & ESXTop CSV data and JSON data.

Download the latest version (2016-02-29).

NMONVisualizer

NMONVisualizer

 

Documentation

Click here for an overview presentation.

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Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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VMware LABS – Updated Fling

Three flings are updated by VMware engineers and published during this week and past week.

HCIBench

This fling is a “Hyper-converged Infrastructure Benchmark” tools and if you have vSAN in your environment, this fling is very useful for you.

Changelog

 

  • Increased Timeout value of client VM disk from 30 seconds to 180 seconds.
  • Disabled client VM password expiration.
  • Disabled client VM OS disk fsck.
  • Set Observer interval to 60 seconds to shrink the size of observer data.
  • Fixed PCPU calculation.
  • Created link directory of /opt/automation/logs, user will be able to review the testing logs in http://HCIBENCH/hcibench_logs/
  • Increased the RAM of HCIBench from 4GB to 8GB to avoid running out-of-resource issue.

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Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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New VMware LABS – NSX for App Volumes

Summary

NSX for App Volumes offers the ability to manage network policies associated with an application in App Volumes. More specifically, this Fling gives App Volumes the ability to publish applications to desktops with associated network policies in real-time. The associated network policies will be effective when applications are attached to desktops and deactivated when applications detached. Thus, this Fling enables a per-app network management solution.

NSX for App Volumes

 

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Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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