Performance tuning and optimizing are very important if you want to keep your virtual machines running at their peak capacity. Here is an analogy: you would not buy a new car and not maintain it; you would balance the tires, check the tire pressure, and change the oil. With VMware Workstation there are certain things that you can do to maintain and even optimize the virtual environment. This chapter is dedicated to helping you maximize your configuration settings and to showing how you can monitor the performance and behavior of your virtual machine environment.
This section contains tips on how to get the most out of your newly installed software. Let's begin by discussing the working directory of VMware Workstation 5. The working directory is the default location where all of your virtual machines are installed. For maximum performance take advantage of a second hard drive on your host system. By having two drives, you can increase performance by keeping VMware Workstation from accessing data on the same physical disk.
By keeping the host operating system on one disk and all virtual machines on another disk, disk-intensive applications will not compete with each other. Figure The virtual machines in VMware Workstation use physical memory to run. With that being said, you can see that the amount of memory you have on your physical computer can be a limitation on how many concurrent virtual machines you run at a single time. It can also be a limitation on running one virtual machine effectively.
If you have a Windows XP machine with MB of RAM, you should be able to run one or two virtual machines maximum, but performance would be very slow. A computer with, say, 2 GB of RAM would allow you to run many virtual machines concurrently or one virtual machine with plenty of memory. To make the most out of your memory, highlight the applicable virtual machine and edit the virtual machine settings. On the Hardware tab, highlight Memory and tweak this setting until you get the right amount of memory for your individual virtual machine. On a global level, you can configure memory by going to the Edit Preferences Memory tab see Figure You have the following options:.
A Windows system doesn't do very well when you don't give it the memory it needs. When the operating system needs more memory, it begins to swap between memory and the page file. To prevent this, you can set the reserved memory accordingly. For example, if your host computer has roughly 1. After specifying the reserved memory, you can choose one of the following options.
Let's go over them in detail. This setting gives you the best performance possible because it runs only the amount of memory you specify in the Reserved memory box. For example, if you allocate MB of RAM to reserved memory, your virtual machines will use only memory that is reserved. At this level, no swapping will take place. Now do you understand why this setting allows for great performance? If you have plenty of memory and are running only a few virtual machines, this setting is perfect for you.
If your operating system is running only MB of memory, this setting is less desirable because you will not have much memory to create virtual machines. This setting is great if you want to get more out of your memory. It allows some swapping to take place but gives you the benefit of having more virtual machines to work with. This is a simple enough equation. That leaves me MB for virtual machines. I can comfortably that is, without hitting swap too much run three virtual machines that each has MB of RAM and so forth.abutparker.com/communication-skills-for-small-business-entrepreneurs.php
VMware Workstation for Linux Hosts | Linux Journal
You also need enough hard disk space both for VMware itself and for as many virtual machines as you anticipate maintaining. As with RAM, the more disk space on your host system, the better. By using VMware shared volumes actually Samba shares , you can share data volumes between virtual machines. This allows you to use the minimum necessary disk space for virtual machines' guest OS software and one big shared volume for application data. This is also a handy means of sharing data between virtual machines and the underlying host OS. These include:. In practice, non-officially supported x86 operating systems often work fine as guest OSes.
Installing VMware Workstation on a supported Linux system is a breeze. You install the RPM version either by executing a single command or by unpacking the.
Then, you run the configuration script vmware-config. That's it! The installer scripts and the configuration script do all the work for you. The configuration script asks you a number of questions, regarding things like how to set up networking. For most users, the default values are fine; otherwise, the Workstation 5 User Manual provides clear and comprehensive descriptions of the various options presented by the installer script.
Deploying VIRL PE on Workstation
Speaking of which, the user manual is, in my opinion, a model of effective technical writing—everything you need to know about VMware is included, explained in plain English and organized in a logical manner. Once VMware Workstation is installed and configured, you can run the vmware executable in the X Window System to start creating and using virtual machines.
Figure 1 shows the New Virtual Machine Wizard. To create a Typical virtual machine with this wizard as opposed to a Custom virtual system , you need to make only four decisions:. Because this article is a review and not a how-to, I forego explaining all the different options available at this point. A few words about virtual machine hard disks and networking options, however, might help illustrate VMware's flexibility and power. A virtual machine's hard drive is usually a virtual disk—that is, a regular file that essentially is mounted by VMware as a loopback filesystem.
The beauty of this approach is that the virtual disk file doesn't need to reflect its capacity; if you install only MB worth of system software, applications and files on your virtual machine, its disk file will be only MB or so. The size you specify when setting up the virtual machine therefore will be its maximum size, not its actual size unless you check the Allocate all disk space now option.
You also can choose whether to use a virtual disk at all. If you prefer, and if your intended guest OS is supported in this mode, you alternatively can designate a physical disk partition on your host system as the virtual machine's root. This is handy if you have a dual-boot system on which you'd like to run both or more local OSes simultaneously, but support for this feature is limited and comes with some caveats. Tread lightly with this feature, and be sure to read the user manual carefully before you attempt to use it. You can network your virtual machines using one of three methods.
In bridged networking, the default, your virtual machine is given a virtual Ethernet interface connected to the same LAN as your host machine's physical network card or wireless card—in VMware 5 you can now bridge WLAN interfaces on Linux hosts. In other words, your virtual machine appears on your local LAN as though it were sitting side by side with your host machine. Your virtual machine is given a fake IP address, and when it connects to other resources on your LAN or beyond, VMware translates the source IP address on all its packets to that of the host system's physical network interface.
In other words, your virtual machine is hidden from the rest of your LAN by your host system. This is handled strictly by VMware; you don't need to configure iptables on your host OS to achieve this. The third option is host-only networking. The difference is that none of the virtual machines on your host-only virtual LAN will be able to interact with the real LAN unless you explicitly configure the underlying host OS to forward and route those packets.
It greatly simplifies management, upgrades and patching. Next screen invites us to specify target for our deployment. It can be vCenter server or individual host.
Reserved Space for Virtualization
If you have individual host, just put an IP address of the individual host. Enter the credentials of an administrative or root user and click Next. The installer will validate access, if prompted with an untrusted SSL certificate message click. Ensure that DRS is set to manual for the cluster temporarily so that the VMs for the Source and Target do not get moved during the upgrade.
And then provide the VM name and root password which must be complex enough and match. We can also increase the storage size of the VMDKs disks via the drop-down menu. One last step is to configure network settings.
Choose Your Preferred Linux OS
Make sure you enter the correct values which depends on your environment. It will check the config and retrieve information before starting another assistant.
Follow the assistant. While you can do that during the configuration, there is also possibility to do that later when configuring and monitoring the VCSA appliance itself. We are creating new SSO domain as it is a greenfield installation.
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You can opt-in and join VMware customer experience improvement program CEIP which helps VMware to improve its products and services, to fix problems, and to advise you on how best to deploy and use their products. However, VMware collects technical information about your organization, but not much. This greatly helps in troubleshooting.