Hi Paul,
Several years ago - 6-8-10 years ago? Not sure when - I left VMs behind
in favor of minimally-configured actual hardware. I have a couple of
Windows laptops but almost never use them now. My main development world
consists of 4 Mac minis of various ages (all Intel or M1) and a couple
of 2015 MBP laptops (and 2 iPads). Each machine has an external drive
used by Time Machine, so I can restore my work as needed. I use Screen
Sharing to manage things on multiple computers from a single
keyboard/display/mouse and it works great for my purposes. I confess, I
don't normally reinstall the OSes except for upgrades to the next
version if needed (e.g. High Sierra to Mojave); I just keep them current
with Apple updates and have never had a dev issue that damaged the OS.
Obviously my setup doesn't cover every macOS version, but my selected
hardware+OS combos have been very adequate for my needs. And for me, it
helps to have a LAN whose physical and conceptual topologies are the
same. It helps clarify problem sources in a client/server system I maintain.
Hope this helps -
Phil Davis
On 10/26/21 2:08 PM, Paul Dupuis via use-livecode wrote:
A problem I have struggled with for decades is software testing on the
various versions of operating systems our software deploys on.
For testing on Windows, we use Virtualbox with Virtual Machines (VMs)
for Windows 7, Windows 8.1, and Windows 10 (we have yet to try to
build a Windows 11 VM)
For macOS we have tried a multi-boot system, a mac Mini with hard
disks partitions to boot to OSX 10.9, 10.10, 10.11, 10.12, 10.13, and
10.14 (Mojave). We tried a partition for 10.15 Catalina, but were were
already experience problems switching between boot partitions where
the Mini would forget what Startup disk it should boot from. When we
added Catalina, the problem became worse, trying to go from Catalina
to an older OS on reboot or vice versa would fail.
So we tried a Mojave (10.14) laptop with Virtualbox and build a
Catalina VM. This worked well for Catalina testing. We like VMs for
the ability to reset to a snapshot or to clone them. We added a Big
Sur VM, but playing video does not work in the VM and Virtualbox's
latest release has not fixed this and macOS VMs are not really
supported, even on mac hardware. We just tried a Monterey VM and it is
unstable. It will crash and reboot after a random amount of time.
Some sort of virtual machine is very appealing because of the ability
to restore the machine to a snapshot after testing or to clone it. If
testing messes something up, you can always get back to a known state
without rebuilding a computer.
What have other people's experiences been? Does anyone have a more
stable, easier solution?
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Phil Davis
503-307-4363
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