How to change MAC address on Ubuntu KVM virtual machine

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If you’ve tried changing the MAC address on a recent Ubuntu VM running under KVM/QEMU, you may have noticed that changing the address in the VM configuration on the host yields no result in the guest machine. Also, a change done using either Virtualmin’s configuration or the command line on the guest doesn’t survive a reboot.

Enable hibernation in Xubuntu 16.04

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Ubuntu (and its derivatives – Xubuntu, Lubuntu, Kubuntu) normally come with hibernation disabled by default, mostly due to possible hardware compatibility issues.

Re-enabling it is not a simple thing to do, despite logic dictating the opposite. Start by testing out whether or not your system is capable of hibernation…