Windows section of hard drive gone after installing ubuntu. Only have 114g out of 500g

I attempted to install ubuntu alongside of windows. I installed it on a partition around 114 gig, to leave the rest of my 500gb hard drive to Windows. After installing it, the entire windows partition is missing. I can only boot into Ubuntu, and cannot see the windows partition in any application I’ve tried. Including gparted, and tusks. The entire windows partition is missing even if I only load ubuntu through my USB drive and select “try ubuntu”. How can I get back the missing space on my hard drive?

Isn’t ZKP is a reduction to a hard problem, rather than true zero knowledge?

Take for example “Hamiltonian cycle for a large graph”. The proof works by starting with a graph G that contains a hamiltonian cycle, then constructing an isomorphic graph H, and then either showing the mapping between the graphs G and H or releaving the cycle in H.

It is said that we prove that that we know a hamiltonian cycle in G without revealing it.

But this assumes the verifier does not have unlimited computational power. If he had it, he could ask to reveal the cycle in H, and use his unlimited computational power to work out the isomorphism. I understand that if the verifier had unlimited power, he could find the cycle in G directly. But that’s not my point. What I find strange is that we are relying on “hard problems” in the proof itself.

Are there ZKP protocols that do not rely on hard problems? Hard problems are only hard according to the state of the art. It is not proven that NP is not P, therefore, in my mind, this sounds like security through obscurity in some sense.

I want to install Linux on my extra hard drive

So I have two 1TB hard drives in my computer one for Windows 10 for my gaming and the other I have sitting nice and pretty. I would really like to put Linux on my empty hard drive that’s just sitting in there to use it as my work station. But i have no idea how to do it and all the tutorials I’ve looked up only teach you how to put it on one single hard drive with a partition. I would really like to avoid partitioning my hard drive with the windows OS on it and keep the two separate. Can someone enlighten me on how to do this please??

Slow transfer speeds on external USB SSD hard drive?

I recently bought a Samsung Exernal SSD T5 for storing backups with Ubuntu’s built Deja Dup backup tool, and I’m finding it’s performance is terrible. Samsung advertises it as having “the T5 provides transfer speeds of up to 540 MB/s*, that’s up to 4.9x faster than external HDDs”, but the real world performance isn’t anywhere close to this.

Using the command provided in this answer, I’m monitoring the transfer progress of several large files. One file, called duplicity-full-signatures.20190720T075111Z.sigtar.gz is 648 MB in size and the tool is saying the ETA for transfer completion is in 5 hours!

Am I missing something here? Shouldn’t a drive with transfer speeds up 540 MB/s be able to have a 648 MB file transferred to it in 648 / 540 = 1.2 seconds? I realize they said “up to” and other resource draws on my computer will cause the actual transfer speed to be well below that that…but not by 5 hours.

Other than Samsung being outright frauds, what would the reason be for these slow transfer times? I formatted the drive in Ext4 with encryption. Is there a different format I should use to speed things up? Are there any other system-wide changes I could make to speed up the deja-dup/duplicity process without making my system unusable during the backup?

Why does my system constantly freeze/jitter when I access my NTFS external hard drive?

I’ve been trying to figure this out on my own to no avail. I recently purchased a USB 3.0 4TB external hard drive. However, whenever I write or read it the system slows down dramatically. Everything will stutter, key presses only sometimes work, all while my CPU usage stays under 30%. I’ve tried adjusting my dirty_ratio and dirty_background ratio, but that didn’t seem to make a difference. Any ideas?

Thanks in advance!