VMware ESXi, vSphere and vCenter
Top Stories
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News
30 Jan 2025
VMware alternative vendors see 2025 as year to make a mark
Numerous KVM-derived hypervisors are competing to claim the title of VMware alternative among enterprise customers, but actual adoption rates are still a question. Continue Reading
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News
16 Dec 2024
Broadcom, AT&T settle lawsuit over VMware support
The companies have 'reached a settlement-in-principle,' but the telecom giant has indicated it's planning an exit from the virtualization platform. Continue Reading
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Tip
12 Jul 2011
Configuring the ESXi firewall in VMware vSphere 5
The ESXi 5 hypervisor has a new firewall, similar to the ESX firewall of yore. You can configure it through the vSphere Client or command line, depending on your preference. Continue Reading
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Tutorial
12 May 2011
VMware storage options and Storage vMotion: A guide
VMware storage options include VMFS, thin provisioning, NFS and block-level storage. Virtualization storage features such as VMware Storage vMotion also help protect VM data. Continue Reading
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Tip
11 May 2011
Deleting virtual machine snapshots without wasting disk space
You can avoid wasting disk space and performance problems when deleting, or committing, virtual machine snapshots. Continue Reading
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Tip
28 Jun 2010
VMware vSphere's built-in performance monitoring tools
VMware vSphere features several free performance monitoring tools that can help assess the health of your virtual machines and fix resource bottlenecks. Continue Reading
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Tip
24 May 2010
Troubleshooting VMware snapshots
Virtual machine (VM) snapshots are a great tool to identify problems with VMs. An expert explains troubleshooting common problems that arise with snapshots in VMware ESX Server. Continue Reading
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Tip
16 Dec 2009
What is the free VMware OVFTOOL and how can it help you?
VMware's OVFTOOL is a conversion program that eases distribution of virtual machines, converting them from the OVF format to .VMX, .OVA, .VMX files and others. Continue Reading
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Tip
28 Aug 2009
PowersHell: Factory Reset of ESXi
During the course of my travels in powersHell with VMware – I’ve begun to put together my own JACS (Just-Another-Configuration-Script). The idea is to take a clean-factory set ESXi build, and use purely powersHell to configure it. Continue Reading
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Tip
23 Jul 2009
Installing VMware ESXi on a physical server
In this two-part series, we show you how to convert an existing physical server into a virtual machine, then how to install VMware ESXi on the server hardware and load the virtual machine back onto it. Continue Reading
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Tip
23 Feb 2009
Why you should delete outdated vCenter Server data
With SQL commands, you can delete superfluous vCenter Server database information and save disk space and boost system performance. But you need to monitor database table size. Continue Reading
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Tip
23 Feb 2009
Recovering RDM data with VMware ESX troubleshooting
Accidentally deleting important VMware ESX partitions cost our expert raw device mapping data. But a last attempt with an unlikely solution finally saved the day – and the data. Continue Reading
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Tip
03 Dec 2008
Understanding VMware ESX virtual machine physical and virtual hardware
You can better manage virtual machines by understanding the virtual hardware that makes up a VM. This tip explores VM physical and virtual hardware issues, including configuring virtual hardware and assigning virtual memory. Continue Reading
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Tip
14 Jul 2008
VMware VI Client plug-ins and how to manage them
VMware VI Client plug-ins can provide a VirtualCenter implementation with a functionality boost. Discover more on plug-in management tactics and plug-in options, including the Juxtaposition RDP plug-in, in this tip. Continue Reading
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Tip
26 Jun 2008
Obtaining server health status in VMware ESX and VMware ESXi
VMware ESXi can easily provide you with information about a server's CPU, memory, storage and more, but getting this info from ESX Server requires some additional steps. Continue Reading
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Tip
25 Jun 2008
Storage options for virtual machines: Raw device mappings, VMFS
Virtual Machine File System is VMware's preferred storage option for virtual machines, but raw device mapping provides similar performance and can be a better choice depending on the specific storage configuration. Continue Reading
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Definition
16 Jun 2008
embedded hypervisor
An embedded hypervisor is a hypervisor that is programmed (embedded) directly into a processor, personal computer (PC) or server. This architecture offers convenience at the cost of some flexibility compared with conventional hypervisors ... (Continued) Continue Reading
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Tip
11 Jun 2008
VMware Site Recovery Manager: How it can help you
VMware's Site Recovery Manager (SRM) application enhances the disaster recovery capabilities of your virtual environment. An expert discusses SRM implementation and use in this tip. Continue Reading
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Tip
03 Jun 2008
Troubleshooting common VMware ESX host server problems
Get a grip on potential VMware ESX host server problems including the purple screen of death, a frozen service console, and rebuilding your network configurations after they've been lost. Continue Reading
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Tip
12 Mar 2008
Troubleshooting failed VMware Converter P2V migrations
A failed VMware Converter physical-to-virtual migration has numerous sources of potential failure, and even your best-laid plans may not prevent a problem. But this tip offers detailed troubleshooting to identify the problem. Continue Reading
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Tip
06 Feb 2008
VMware DRS and VMotion: Improve workload balance, prevent problems
Learn how both VMware DRS and VMotion work individually, how they work together, and get configuration tips for optimal virtual machine performance in an environment that takes advantage of both technologies. Continue Reading