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Dynamic VMware VMX Configuration

July 31st, 2007

For those of us who want to make modifications to some of the VMX configuration options under a VMware guest but don’t want to restart will be happy when you find out what the vmware-guestd can do! For example:

vmware-guestdcmd “vmx.set_option synctime 0 1″

This command under a Linux VMware host will set the VMX synctime option to true (if it was previously disabled). This means that you don’t need to shutdown and restart your VM – excelent for production VMs. There are loads of additional VMX settings some are read-only but some are read-write.

I can’t confirm but I presume you can set the respective options under a Windows host also.