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Currently Browsing: Virtualization

Network performance with VMXNET3 on Windows Server 2016

Introduction In this post we will cover an updated version for addressing VMXNET3 performance issues on Windows Server 2016. As with an earlier post we addressed Windows Server 2012 R2 but, with 2016 more features were added and old settings are not all applicable. What To Change According to VMWare you may experience issues similar to: Poor performance Packet loss Network latency Slow data transfer The... read more

How To Convert VDI to VMDK

Introduction So you have create a VM using VirtualBox and need to have a way to add it to you VMware farm or ESXi system, but the VirtualBox VM is in VDI format. No worries, using tools in VirtualBox we can convert the VM to a VMDK. The Process First step is to remove the VirtualBox guest additions if they are installed on your VM. If this is a Windows system use Programs and Features and uninstall them.... read more

Network performance with VMXNET3 on Windows Server 2012 R2

Introduction In this post we will cover an updated version for addressing VMXNET3 performance issues on Windows Server 2012 R2. As with an earlier post we addressed Windows Server 2008 R2 but, with 2012 R2 more features were added and old settings are not all applicable. What To Change According to VMWare you may experience issues similar to: Poor performance Packet loss Network latency Slow data transfer... read more

Using HyperBox to Manage Your VirtualBox 5.0 Servers

Introduction So you have a few instances of VirtualBox running on a few systems and wondering if there is a central tool to manage them similar to vCenter. Well there is such a tool called Hyperbox.  According to the site. Hyperbox is a free virtualized infrastructure manager across your different hypervisors. It aims to provide a free alternative to commercial products like VMware vCenter/ESXi and Citrix... read more

How To Install VirtualBox 5 Additions on CentOS 7

Introduction In this post we will discuss how to get VirtualBox 5 guest additions installed on CentOS 7. Installing VirtualBox Additions First make sure updates have been applied and if there was a kernel update that the system was rebooted. Do this the typical way by running the command. $ sudo yum -y update Now that we have the latest updates and have rebooted we need to install epel to allow us to get... read more

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