On Thu, 2019-08-08 at 15:11 -0600, Ted Pomeroy wrote:
Tom, have you tried invoking thunar from a root terminal. No. Until now I hadn't thought of anything so sensible and obvious. So far (other than the scary warnings about possibly damaging my system) it looks like that might be just what the doctor ordered.
Also you might check the man oh co or sync to see if you can show progress in one of those as you make copies. Just a thought. Ted P. "...check the man oh co or sync..." is entirely greek to me. Can you elaborate a little? (I assume it translates to something like 'make sure it's plugged in' or 'try Google, idiot.' I'm in the process of discovering that this last might be a good idea...)
Thanks, Tom
On Thu, Aug 8, 2019, 1:02 PM Tom Ashcraft <trailerdog234@comcast.net> wrote:
I've got Debian 10 XFCE installed to and running from a USB stick. Inside that I have two identical Debian minimal-install server VMs that run under QEMU/KVM behind NAT so that I can have the two talk to each other as a network inside the single computer. This for purposes of safely practicing and experimenting with things like SSH keys and WireGuard without external network or internet access. All, well and good; works great as long as I stick to the same computer and nic with which I created the VMs.
The problem is that I have limited storage for snapshots and clones so that currently, if I screw something up or switch computers, experience indicates that I have to create new individual VMs by installing from scratch to start again clean. That takes a long time.
So I'm thinking that before I waste too much more time reinventing the wheel every time I go 'round, that I ought to be able to copy clean unused images of my two VMs on another USB stick so that I can just conveniently delete and replace as required.
First question: I ought to be able to create an elastically sized VM with QEMU/KVM in a manner similar to how dynamically allocated storage works in VirtualBox so that the image I copy across different USB sticks can be relatively small and quick to copy?
Second question: At present I must copy via command line as root or with sudo as Thunar GUI file manager won't give me permission by any means I can discover. I'd like to use Thunar so I can get some visual feedback about copy progress. I ought to be able to run Thunar from the desktop as root somehow, right?
As I write I *think* my old laptop with USB 2.0 is somewhere in the midst of copying an 8.0 GB image, but it keeps timing-out into lockscreen, and for all I know something has gone wrong. The USB sticks are warm as a cup of coffee, but the cursor in the terminal is just sitting there without blinking and it's all taking way too long:
tom@debian10xfceUSB: /var/lib/libvirt/images$ sudo cp generic- 2.qcow2 /media/tom/C58A-66EE/
All hints and advice are welcome.
Thanks,
Tom
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