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[HOW-TO] Migrate linux has never been so easy

Recently i had to migrate my servers from a Virtualbox instances to KVM and LXC containers. ( this guide is also valid for Desktop PC)

Before that i simply move the .vdi file from a machine to another, but .vdi are not compatible with KVM/LXC formats. Moreover converting .vdi to .raw (compatible format for kvm/lxc) is not a good practice since your system will be probably broken.

But, i'm an extremely lazy how can i migrate a server without a long manual process of reinstalling , reconfiguring and moving file?

After some researches i've found this wonderful guide:

I want to summarize and improve it for you (the process will take 5-10 human minutes + the variable upload time):

NOTE: you must be logged as root user before execute following commands.


First of all, you need to have both machines powered up.
Assure that you have same linux os version on both machines, if not do th…