VMware

Finding Unused VMs in VMware

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With the great capabilities of VMware, comes one of the drawback – VM sprawl. On a whim, someone can call IT and spin up a VM (or a dozen VMs), but then immediately forget about them. There are a great many tools that help track this – assigning VMs to users and automating the reclamation […]

Networking

Site-to-Site VPN using Vyatta

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I was testing a new backup solution that does replication across the wire to a secondary site. I didnt want to impact production, so I used VMware to clone the system I was backing up, and used an isolated network for my backup testing.All was fine until I needed to setup a target at my […]

VMware

Quick VMotion in VMware

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I ran into an issue today where I was unable to VMotion a VM due to host issues. While troubleshooting, I remembered how Microsoft first dealt with its inability to support VMotion – Quick VMotion.The idea is that instead of migrating the VM while online, pause the VM, then migrate it, then restart the VM […]

certification

VCP5 – Configure network security policies

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There are 3 basic network security policies: Promiscuous mode, MAC address changes, and Forged transmits. These policies allow for customization of the networking layer to allow network sniffing, clustering, and load-balancing Changing policies on a Distributed Switch Open vSphere client and select Networking Right-click the Port Group and select Edit Settings Under Policies | Security, […]

certification

VCP5 – Enable Lockdown Mode

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Lockdown mode blocks direct access to the ESXi host and forces all configuration to be done via the Virtual Center. This can be used to secure your VMware environment and ensure security protocols are followed. Enabling Lockdown Mode via DCUI Log onto the ESXi host console as root Select Configure Lockdown Mode Use the spacebar […]