Questions tagged [verification]

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80
votes
5answers
85k views

Does rsync verify files copied between two local drives?

I want to make a fresh new copy of a large number of files from one local drive to another. I've read that rsync does a checksum comparison of files when sending them to a remote machine over a ...
18
votes
5answers
9k views

Does dd do any kind of verification?

I'm using dd to copy data from an old hard drive to a new one. I want to be sure that the data's integrity is secure. On this answer, Gilles says If [dd] terminated successfully, then the backup ...
3
votes
2answers
4k views

How to checksum a CD/DVD? (to verify integrity of my Debian installation)

So I'd like to checksum my Debian 9.0 installation DVD to be able to compare it to the respective .iso file's hashes and the published hashes to be able to verify my installation's integrity. I ...
4
votes
1answer
725 views

How to figure out GRUB2's menu output

I have just updated a remote machine which is running Ubuntu Server 12.04. I have only access through SSH and now it's asking for a reboot. I'm guessing a new kernel was installed. I need to make it ...
0
votes
1answer
455 views

How to import pgp keys from a search on an keyserver using curl?

Is there a standard method for searching and importing a pgp key using curl or wget? I was going through verifying the download with a gpg signed shasum256 file and encountered the problem of trying ...