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Better wipe your drive from a live system by running command
blkdiscard /dev/vdXordd if=/dev/zero of=/dev/vdX bs=4Mif the first command was not successful.Guess that depends on the provider. Last time I bought a Kimsufi it definitely had an OS responding to ping and ssh loging attempts, though in control panel it said no OS installed. So what is someone reboots in rescue mode? - I guess it should be possible to access the previous server contents and restore the removed files. Probably better to reinstall or even shred.
If you want to be extra sure, and you don't got access to the baremetal use
shredto multiple times overwrite the files and/or device.It might be difficult to ensure the data is overwritten on the physical platters on baremetal level in a VPS tho, so make sure you also fill your storage completely and
shredBut if you are worried about baremetal level data leaks, VPS, lowend one especially, is completely wrong option. At the very minimum you need a dedi at that point so you can do drive wipe / SED wipe / blkdiscard
Baremetal data leak is the only time i would imagine on a VPS this comes as an issue, as when VM is cancelled, the drive image is deleted, and within minutes recovering the image becomes way too cost prohitibitive, as soon as the metadata on hypervisor FS is overwritten and there's no more info on which sectors the data resided and it starts naturally getting overwritten by other VMs.
If it's SSD based VM, then most likely
discardoption is set at some level, and the blocks are immediately gone orfstrimran every now and then to completely drop deleted data.Then again SSD based the data can be all over the drives etc.
I was hoping this was going to be a toilet paper versus bidet debate.
A quick format will also help delete all your data
No, it doesn't. A quick format will remove partition information but all data remains intact and recoverable.
rmsimilarly, won't actually guarantee removal of data.Secure erase &
shredif you want to be sure.This is (most likely) a trick to speed up deployment times - preinstall before order and then pick an appropriate system that's ready based on OS selection during order.
What like with a cloth?
Scrunch or fold?
Install secure-delete and wipe the critical stuff.
People do that?
winner is the bidet
In general, a VPS reinstallation will be enough to do it, but you need to make sure your previous hosting company doesn't hold your backup.
So, to be sure none of your data was left, do this:
- reinstall your VPS
- ask your hosting provider if they do backups, and if yes - what is the schedule for backups(how often they do it or what days)
- delay the process of service cancellation until a new reinstalled VPS is backed up so your previous hosting company will hold a backup of clean VPS
Got it, thanks for the in depth information.
When you wipe off, use cleanex. On vps there is no need to do anything else, just delete. Neighbours will take care of that freed space and fill it with 111.