Guest VLAN Tagging

To configure VM Guest VLAN Tagging (VGT), configure the vSwitch portgroup for VLAN 4095. A vNIC in a VM configured to use this portgroup will be VGT enabled. The guest OS network configuration must be set correctly for VLAN tagging including having the associated VLAN tagging driver installed. Use VGT if the vSphere VM requires more than 10 VLANs configured.
http://bit.ly/bVu10L
http://bit.ly/bSmaDy
http://bit.ly/Irmqr
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Enabling SSL

Enabling SSL certificates in vCenter often results in guest customization password decryption error messages after upgrading to a new version of vCenter. The error message will show up when trying to apply a guest customization to a VM. A resolution can be found in the following VMTN discussion (find the post by 'Tigernoy'):

http://communities.vmware.com/thread/54721
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Zimbra

On this day in 2010, VMware announces its acquisition of Zimbra, open source email, calendaring & collaboration software, for $100M. The acquisition is completed on 2/16/10. There are 2 primary reasons for the acquisition:
1. Zimbra will further VMware's mission of simplifying IT
2. Zimbra will add to the portfolio of offerings VMware provides to its vCloud partners

Read more from Steve Herrod at http://bit.ly/6e68rA
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Assured Computing Environment

On this day in 2005, VMware released ACE (Assured Computing Environment) 1.0. ACE is a revolutionary product that reinvents desktop management and security. ACE is a great fit for contractor, telecommuter, and mobile laptop users with a single mechanism that combines security, user autonomy, and centralized management.
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Multivendor Post

A “Multivendor Post” to help iSCSI customers using VMware

Shared storage is the key to unlocking many of the VMware Virtual Infrastructure components. EMC, VMware, NetApp, Dell/EqualLogic, and HP/LeftHand all conspired to create one of the most informative VMware on iSCSI documents available.

http://virtualgeek.typepad.com/virtual_geek/2009/01/a-multivendor-post-to-help-our-mutual-iscsi-customers-using-vmware.html
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Uptime command

At the ESX Service Console or ESXi busybox console, quickly find out the uptime of the host with the uptime command.

i.e.
[root@esxhost /etc]# uptime
19:45:34 up 7 days, 20:01, 1 user, load average: 0.06, 0.05, 0.01

~ # uptime
02:21:55 up 7 min, load average: 0.00, 0.00, 0.00
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Root file system

Microsoft Windows utilizes a multi root file system where folders collapse to one root but there can be multiple roots, each with a directory tree (ie. C:\, D:\, etc.)
C:\apple
D:\banana

Linux variants use a single root file system where all folders collapse to a single root (ie. /)
/apple
/banana
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