I have installed a debian 9 as a VM in cloudmin and trying to install 2 new VM windows 10 by virt-manager,
but on debian when running command “grep vmx /proc/cpuinfo” gives no output.
Is there any method to activate VMX without changing in BIOS in cloudmin?
No, as far as I know, if the extensions are not enabled, you’ll have to do so in the BIOS. Some server vendors provide command line tools for making system changes from within Linux (IPMI-related, maybe?), but it’s not an area of expertise for me. I think Linux automatically detects whether the extensions are available, so it’s probably not something needing changed at the OS level.
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