Questions tagged [verification]
The verification tag has no usage guidance.
57
questions
190
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14
answers
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How can I check the integrity of a video file (avi, mpeg, mp4...)?
This title could be somewhat misleading, so let me explain ...
I'm downloading a video file ... mpeg, avi - being one of the popular formats. Now, if I am downloading it, and the download breaks in ...
- 23.9k
21
votes
8
answers
25k
views
Verifying Time Machine backups
I'm preparing my system for a Snow Leopard upgrade, and I prepare for the worst case scenario: full reinstall and restore.
I would like to verify that my Time Machine backups are valid, and will ...
- 21.7k
16
votes
1
answer
43k
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How to verify a download file using a .sig file and public key, in Windows 10?
I'm interested in installing the Electron Cash application from electroncash.org (Electron-Cash-2.9.4.exe) and the website indicates that to be sure of the integrity of the download, I should verify ...
- 3,023
16
votes
3
answers
53k
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Is there a way to copy with verification or just verify copied data
I am a GIS specialist, part of this is to routinely copy vast quantities of data to disc - backup, archiving and delivery. Occasionally the files on the other disc do not match the source disc, in the ...
- 283
9
votes
2
answers
15k
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“The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 23F3D4EA75716059”
I try to update Debian but I get the following error message:
% sudo aptitude update
Hit http://deb.debian.org/debian bullseye InRelease
Hit http://deb.debian.org/debian-security bullseye-security ...
- 245
8
votes
4
answers
11k
views
How to get apt-get source verification working?
Example (Using Debian Wheezy):
sudo apt-get source hello
Result:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Need to get 705 kB of source ...
- 81
5
votes
2
answers
3k
views
Verify burned CD image
Is there a way to verify a CD image (.iso) after it has been burned (and either the CD burning software does not have a "verify" option, or it was not used at the time of burning)?
I tried ripping ...
- 1,137
5
votes
1
answer
5k
views
recursive file/directory verification on linux
What would be a command structure or simple bash script to run to compare all files in one directory with all files in another directory, verifying their data are identical, or not, down to the bit? ...
- 193
5
votes
5
answers
9k
views
GnuPG Command Line - Verifying KeePass Signature
I'm trying to verify the PGP Signature of the latest version of KeePass 2.14's setup file against this signature, but this is the output I receive:
C:\Program Files (x86)\GNU\GnuPG>gpg.exe --...
- 173
5
votes
1
answer
3k
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SSH key verification for many hosts behind a single DNS name
(note: this seems similar to an existing question, but I believe there are some differences in the implementation details here)
The Problem
I've got a few hundred hosts behind a single DNS address. ...
- 4,734
5
votes
1
answer
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What are the correct options to use to verify video files using ffmpeg.exe in Windows 7?
I have thousands of video files to check/verify if they have an error or a warning. A firm just digitized them over old tapes (VHS, Umatic ...) All these videos are in mp4 format and i want to check ...
- 249
5
votes
1
answer
12k
views
How to turn off verification after DVD burning on OS X?
I use the built in DVD burner from OS X. Whenever I burn a disk, it is verified after burning. Nice, but I am usually quicker in verifying myself with a bit more human, maybe more error prone process.....
- 447
4
votes
1
answer
1k
views
Checking for dead links in a html file?
I have a html file with several hundred links, a research database of mine, of a sort, collected over the years. What would be the easiest way to check which one of them are still alive ?
(importing ...
- 23.9k
4
votes
1
answer
2k
views
Is there a faster way to verify that a drive has been fully zeroed?
In the coming months, I'm going to need to zero out a lot of disks. After wiping each drive, I need a quick way of making sure that the drive has been completely filled with zeroes.
I could open each ...
- 12.8k
4
votes
3
answers
2k
views
Why does email allow sender impersonation?
Anyone who's used a bit of PHP to send an email knows that we can use whatever name we want as the sender of an email.
To the secretary of a specific business, I can send a message requesting very ...
user317572
4
votes
2
answers
920
views
Is there any file check summing software which deals correctly with deep paths?
I have been looking for software which will checksum and verify/compare NTFS volumes with deep paths on Windows, and failing verification on every one I've tried. I've even tried writing my own python ...
- 2,818
4
votes
1
answer
114
views
How can I download a cryptographically signed version the Java JDK from Oracle?
When going to Oracle's download site to download JDK for EE the download is over HTTP (not HTTPS) and the executable isn't signed. As far as I can tell, there are also no SHA1 hashes published so I ...
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3
votes
2
answers
13k
views
How can I verify the reliability/integrity of a DVD?
I am looking for a way to verify DVD media for reliability. The media in question can be a commercially available movie or game. Basically I want to check if the media is in playable condition.
I ...
- 493
2
votes
4
answers
260
views
Password manager with checking for expired logins and passwords
I, like most in here, use a password manager for keeping all kinds of login/pass informations inside. And over time, the heap of passwords started to grow, and grow, and now it's on about 350 (give or ...
- 23.9k
2
votes
2
answers
2k
views
Google cannot locate my GitHub repositories - Google Site Verification fails
I created a GitHub site last September using a Windows 10 laptop. Since then I have created five repositories. Google has never been able to locate any of them. A week ago I created a GitHub Page ...
- 407
2
votes
0
answers
571
views
How to get a history of Google verification codes
Yesterday I got Google verification code -- the problem is I didn't take any action that would require this. So I would like to check the history of verification codes -- see what what reason they ...
- 730
1
vote
3
answers
954
views
Current alternative to the old CHECKSUM program
I'm looking for an application that does md5/sha hash check on specific files/folders periodically and store an index file per folder for future verification. I remember such application exist in DOS ...
- 459
1
vote
1
answer
168
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Verifying Deployment for Windows 7 ESU
I am a bit confused about the meaning of "Verifying your deployment on eligible Windows 7 SP1, Windows Server 2008 R2 SP1, and Windows Server 2008 machines for ESU" in this set of instructions: https:...
- 15
1
vote
2
answers
838
views
Burning iso images with wodim loses 2048 bytes at the end
If I burn an iso image with:
wodim -data dev=/dev/scd0 in.iso
and then read it back out with:
dd if=/dev/scd0 of=out.iso
The resulting files are not identical, out.iso is 2048 bytes shorter then ...
- 3,662
1
vote
3
answers
82
views
How can I cryptographically verify that someone owns the website they claim to?
More specifically, can I get them to sign a string of text with their x509 private certificate and then I can verify it using the public cert used by the website in question? Perhaps I could supply ...
- 131
1
vote
1
answer
1k
views
Verify GPG tarballs from command line with signer's public key block?
I've got a script to fetch Gcrypt's five source packaes from GnuPG Download. I also fetch the signature for each package. For example:
FILE=libassuan-2.2.0
wget -q "ftp://ftp.gnupg.org/gcrypt/...
- 12.1k
1
vote
1
answer
203
views
On Mac, after downloading a file, how to you do a checksum?
I want to do a checksum on a file I downloaded on my Mac. How can I do this?
- 6,920
1
vote
1
answer
738
views
Google - Verify your identity on new account
I have created a new Google account using an existing email (that has a custom domain). Upon my first login, I was greeted with the following page for supposed unusual activity:
.
I have tried over 10 ...
- 11
1
vote
0
answers
170
views
Can multiple RAM modules legitimately have identical serial numbers?
Specifically I'm asking about 4x4GB DDR3 SO-DIMMs that I recently purchased. The manufacturer's code is given as Ox80AD (which corresponds to SK Hynix) and the serial number as 0x0C415DC9.
The Amazon ...
- 121
1
vote
1
answer
409
views
Verify email "from" address using AWS/SES
I'm setting up an email service with AWS SES (Simple Email Service).
When SES receives an email sent to, e.g. [email protected], it will perform some action.
To prevent anyone from triggering ...
- 133
1
vote
0
answers
167
views
Full Verification & Validation of Image-Based Backups [closed]
Intro and some terminology
Hello to the community of “Super User”!
As the title implies, my question is about the process of full (complete) verification & validation of image-based backups. But ...
1
vote
2
answers
1k
views
A video of 1h27m duration, only plays up to 27m
Background
I have recovered some large videos as explained here:
Many smaller images/videos are recovered from a formatted drive, except one specific big video larger than 2 or 3 GB
There are 3 videos ...
- 271
1
vote
0
answers
45
views
SSH Remote host identification has changed error tried deleting known_hosts
I tried using ssh-keygen -R but it gave some error. I tried to ssh to my router using the ssh command, then it asks for the password but I couldn't log in as it gives permission denied. However, when ...
- 11
1
vote
0
answers
37
views
How do I verify if a conversion from docx to pdf is correct?
I can't check thousands of PDF files to see if the source DOCX is identical.
Is there a way to do this automatically?
user921499
1
vote
1
answer
556
views
Transcode FLAC to FLAC without losing any metadata and replacing source files after validation
I have a fairly large collection of FLAC files which were encoded using a low compression level, and I would like to update them to a better FLAC encoder+compression level. I would like to avoid ...
- 903
1
vote
1
answer
487
views
Windows 8 e-mail verification address cannot be changed when incorrect
I mistyped my Google account information when a Win 8 app asked for an e-mail address to send a verification to. The app has no way to let me change the address; it's on a loop. Does anyone know how ...
- 19
1
vote
1
answer
59
views
Confirm Ubuntu updates
Over the past couple of weeks I've noticed that my Ubuntu 11.10 installation has had many security related updates, including changes to CA Certificates.
Is there Ubuntu web page that lists all ...
- 8,448
1
vote
1
answer
710
views
Mac OS X - Time Machine backup fails verification - What can I do to save the history?
How do I make Time Machine to make a new complete backup without losing older versions of backed up files?
Verbose:
I am using the Time Machine backup on my OS X (Snow Leopard) to backup the whole ...
- 21
0
votes
2
answers
54
views
Logging into a Email address that was hosted on a private SMTP/Emailing server
As part of a development project I once did, I along with the other developers were assigned email addresses that were hosted on a private mail server.
I have a game whose activation is tied to that ...
0
votes
1
answer
486
views
Is there a way to verify that the PayPal account used to make a payment is legitimate? [closed]
I have a small web site where I sell software that I write. Payments for the registration/license codes for my software are done via PayPal. I have an automated IPN script that links to my PayPal ...
- 557
0
votes
2
answers
1k
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How to checksum files from filename on Linux
I have many files tagged with a CRC checksum on their filename on a Windows machine. Example:
filename_[000000].extension
I know there are a lot of options for Linux based systems to check/calculate ...
- 123
0
votes
1
answer
235
views
How do I login to applications with a Google account that uses 2-Step Verification?
I need to use my Google account to login to places like Windows Live Writer. Sometimes the second step in the 2-Step Verification process gets in the way, causing a Password and Email combination ...
- 477
0
votes
1
answer
1k
views
Wrong email registered on windows 11
After fully reset windows 11 and insert an outlook account without verification (I didn't why, i wrongly input the email but somehow the email is valid, probably other people account)
So when the ...
0
votes
2
answers
735
views
Fedora CHECKSUM giving error in Windows
I've never used Fedora before this. I just downloaded the image from official website (Live Workstation 64bit). I downloaded the CHECKSUM as well. Now when I try to verify the CHECKSUM using the given ...
- 101
0
votes
1
answer
746
views
How to batch check audio files can play
Background:
I have ripped my CD collection to FLAC but I had a drive error which were repaired with the standard windows tool. Error was likely due to unplugging before safe removal.
I want to be ...
- 4,130
0
votes
1
answer
2k
views
How to check DVD integrity at max read speed of DVD writer
I need to check the integrity of burned DVDs so that I can be sure about my backed-up data.
I use DL-DVDs to take the backup. Earlier I used VSO Inspector software for the same but the day I ...
- 734
0
votes
1
answer
48
views
How to prompt a user for information twice in Linux?
In Linux (Debian/CentOS) I want the user to verify his input.
read email_address
This doesn't include verification and the manual of read doesn't include any chapter about verification.
How to verify ...
- 43
0
votes
4
answers
567
views
Are these strings the correct output to verify keys for file checksum?
I'm trying to verify the integrity of the files before installing a downloaded copy of Netbeans from the Apache.org site, per their suggestion. I'm not having luck verifying I am using the tools ...
- 3
0
votes
0
answers
27
views
Last folder structure before the re-imaged drive
Owning a Vaio computer with a factory image available in the drive. Lately I have backed up everything and using the Assist button, I have reversed the computer to factory state by simply using the ...
Tu Haf
0
votes
0
answers
380
views
How to validate Windows 7 COA? [duplicate]
How can I tell if a retail box of Windows 7 is genuine, especially from the Certificate of Authenticity (COA) seal? The COA has 3 barcodes: left, right, and bottom. The left one has 2 number sequences,...
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