SSH from ESX host to ESX host with No Password

Sometimes you need to script a job that SSH’s into another ESX host, problem is you will be prompted for a password—pretty much taking out all the automation aspect of a script.

There is a way around this.  Simply generate a public SSH key and place it in an authorized_keys file on your 2nd, 3rd, 4th, etc. ESX host.

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Posted under ESX 3.5 Tips, ESXi 3.5 Tips, Security

This post was written by Rick Scherer on January 16, 2009

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VMware VI3 Network Communication Diagram

Jason Boche posted this network diagram on VI3, it shows exactly what ports VC, ESX and other services needed for a functioning enterprise use.   This diagram is extremely helpful in troubleshooting network issues and also in helping put your companies security department at ease.  Thanks Jason!

vi3-network_diagram.jpg
Click to Enlarge

Posted under ESX 3.5 Tips, ESXi 3.5 Tips, Networking, Security, VMware

This post was written by Rick Scherer on December 15, 2008

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Virtualizing your DMZ

Today I got into a heated discussion with a “Virtualization Expert” at Gartner today about the risks associated with virtualizing your DMZ, primarily into the same environment as your non-DMZ servers.

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Posted under Networking, Security, VMware

This post was written by Rick Scherer on December 5, 2008

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