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I think the biggest tell-tale is the MAC of the NIC. Supposedly, no two are the same (no manufacturer would ever copy, right?). When you boot up a copy of the VM, Vmware workstation will notice that the VM is not the same as before and ask if you have copied it or moved it. If you say moved, it keeps the same MAC. On the one hand, that keeps activation. OTOH, you can't run both copies of the VM at the same time because of the duplicate MACs.I have never moved one to a system with a different CPU (Intel versus AMD). If you say copied, you will probably get challenged to activate. This makes for an excellent backup, but not an extra "machine".
As always, "can't" is a relative thing. 
>64
It’s weird being the same age as old people. Live every day like it is your last; one day, it will be.
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theoldfool wrote: If you say copied, you will probably get challenged to activate.
Not in my experience... But I use them mostly in the same PC where I have created them anyways.
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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I have probably referred to it a few times before, but worth repeating: The Tao Of Backup[^]
For being 27 years old, it is surprisingly relevant even today.
Religious freedom is the freedom to say that two plus two make five.
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Every time I do a new image I let it do a check up and one out of max. three will be restored just after finishing to see that everything works.
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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Excellent advice.
"A little time, a little trouble, your better day"
Badfinger
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Ubuntu. Deja-dup (works on top of rsync, keeps full and incremental backups...)
Set to back up laptops (user directories) to home server in the wee hours.
Most mornings I see a notification "Backup completed x hours ago"
Every couple of months instead I get a dialog box asking for my backup password. It then does a test restore/verify.
System is rebuildable; I have a script that records installed packages nightly.
Would be a bit of effort, but I've never had to do it over several OS releases and hardware iterations.
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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If you are running Ubuntu, you should be able to scrounge up a cheap machine and recover to bare metal.
That is the ultimate test of backups.
Charlie Gilley
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
Has never been more appropriate.
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Back when my laptops had 2.5" SATA spinning rust, used to swap 'em round all the time. external drive dock for cloning.
Mobo dies, pull the HDD and pitch the rest...
Still got a couple in the cupboard with reasonably current images.
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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When I tried buying Acronis backup software to replace Macrium Reflect. The Acronis rescue boot could not read a backup created with the same application. The application could not read the backup it had just created, except that the verify operation stated the backup was perfectly valid. Acronis tech support was less than helpful, and they refused to refund my money.
Back to Macrium Reflect I went.
Software Zen: delete this;
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I asked this question at work once ("when is the recovery plan tested?"), when they were banging on in a self satisfied way about the business "disaster recovery plan", contracted to a third party company. I got blank looks, as if I was mad.
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When it's a backup by EaseUS TODO backup.
It failed me several times and the backups are in a proprietary format.
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Also, when you only have one. Because two is one, and one is none.
Da Bomb
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Honestly, standard procedure for me, as I do it also always at least once a month at my clients. Have rotating backups (in past to DLT or DAT tape, nowadays external hard drives) Mo-Fr (or Sun in case of a vet clinic that operates 7 days a week), with a double Fr (or Sun) media, of which are rotated to be taken off-side (as even be best working backup isn't worse **** if all the backup media is kept in the same burning building (or collapsing high rise).
Do commonly a monthly restore test, at least one of the 5/7 media, on a different host, with a random folder selected, restored and SHA512 checked against the original.
A lot of clients at first think that this is all overkill. Until soft brown matter hits a fast rotating appliance and they can NOT get some data back because they didn't follow the backup procedure meticulously...
And disconnect any backup media (at least with an eject command, be it tape or USB mounting) as soon as it is done. This way, chances are minimal that you also lose your last backup when a ransomware virus strikes before you can be bothered to manually change media...
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Since the late '90s, I've had:
Hendrik's rules of computing:
1) Make a backup
2) Make *ANOTHER* backup
2b) at least one off provider
3) *CHECK* those backups.
horror stories of backups made, and then the DR/BCD site can't read the backup tapes (too old tech), or tar block sizes that wasn't standard/default/fixed, to scraping thesis of stiffies/floppies,
And then when/where I had the backups in place, restoring without a beat/sweat when things gone bad
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Wordle 986 3/6
⬛⬛🟨⬛🟨
🟨🟩⬛⬛🟩
🟩🟩🟩🟩🟩
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Wordle 986 5/6
⬜⬜⬜⬜⬜
⬜🟩🟩⬜⬜
⬜🟩🟩⬜🟩
⬜🟩🟩⬜🟩
🟩🟩🟩🟩🟩
All green 💚.
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Wordle 986 3/6
⬜⬜⬜🟩⬜
⬜⬜🟩🟩🟩
🟩🟩🟩🟩🟩
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Wordle 986 3/6
⬜⬜⬜⬜⬜
⬜🟩🟩🟩⬜
🟩🟩🟩🟩🟩
symmetry!
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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Wordle 986 3/6*
⬜🟨🟨⬜⬜
⬜⬜⬜🟨🟨
🟩🟩🟩🟩🟩
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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986 3/6
🟩⬛⬛⬛⬛
🟩⬛🟨🟨⬛
🟩🟩🟩🟩🟩
wordle.at
Rules for the FOSW ![ ^]
MessageBox.Show(!string.IsNullOrWhiteSpace(_signature)
? $"This is my signature:{Environment.NewLine}{_signature}": "404-Signature not found");
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⬜🟨⬜⬜⬜
⬜⬜🟨⬜⬜
🟨🟩🟨⬜⬜
🟩🟩🟩🟩⬜
🟩🟩🟩🟩🟩
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Wordle 986 5/6
🟨⬜⬜⬜⬜
⬜⬜⬜⬜🟨
⬜⬜🟩⬜🟩
⬜🟩🟩⬜🟩
🟩🟩🟩🟩🟩
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Wordle 986 4/6*
🟨🟨⬜⬜⬜
⬜🟩🟩🟩⬜
⬜🟩🟩🟩⬜
🟩🟩🟩🟩🟩
Happiness will never come to those who fail to appreciate what they already have. -Anon
And those who were seen dancing were thought to be insane by those who could not hear the music. -Frederick Nietzsche
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Wordle 986 4/6
⬛⬛🟨⬛⬛
🟨🟨⬛⬛🟨
🟨🟨🟨⬛⬛
🟩🟩🟩🟩🟩
Ok, I have had my coffee, so you can all come out now!
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Wordle 986 5/6*
⬛🟨🟨⬛⬛
⬛⬛🟨🟨🟨
🟨🟩🟨⬛⬛
🟩🟩🟩🟩⬛
🟩🟩🟩🟩🟩
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