Cloning images and growing them.
We have a 'standard install' image called, 'ubuntu14-clone-me.img'.
To copy, enlarge, and then grow the guest image size, we use the process
below. Let's take an Ubuntu image (ubuntu14-clone-me.img), clone it,
grow the system, then log into the Ubuntu guest (vm12) and resize the /
partition (all our guests are single partition).
In FreeBSD:
FreeBSD# gcp --sparse=always ubuntu14-clone-me.img vm12.img
FreeBSD# truncate -s 300g vm12.img
Launch guest with bhyve, get on console, and use these commands:
Guest-VM# swapoff -a
Guest-VM# fdisk /dev/vda
hit 'p' to print existing table
delete all the paritions
recreate partition '1' with same stating block noted in the 'print'
make end block near end but with enough room for your swap
create an extended parition '5' and put the rest in there for
guest swap
Guest-VM# reboot
Guest-VM# resize2fs /dev/vda1
Done!
Pro tip: research sparse files, install gcp (pkg install coreutils).
Rudy
MonkeyBrains.net Local ISP
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