Questions tagged [checksums]

A checksum or hash sum

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1 answer
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MD5 hash for ubuntu .iso (14.04 through 18.10)

I cant find the MD5 hash for ubuntu-14.04.1-desktop-amd64.iso on this website. Am I looking in the right place?
user310012's user avatar
2 votes
3 answers
2k views

BAD signature when trying to verify SHA256SUMS for Bionic Beaver ISO

I am attempting to verify my download of Bionic Beaver on Windows 7. I feel like I am missing something very obvious. I went to http://releases.ubuntu.com/bionic/ and clicked on both SHA256SUMS and ...
ConfusedTortoise's user avatar
21 votes
6 answers
134k views

How to check crc of a file?

I was looking this question and appears everything but crc. Is there a good Ubuntu way around there to do this?
Alter Lagos's user avatar
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4 votes
0 answers
2k views

Where are the instructions for checking md5 checksums? [duplicate]

Possible Duplicate: How can I check the integrity of a downloaded Ubuntu CD? Where do I find instructions for making sure the Ubuntu ISO I download is correct?
Jeff's user avatar
  • 41
3 votes
2 answers
10k views

Ubuntu 14.04.4 – "Check for defects" – "Errors found in 2 files"

First off... First off, I've already searched Ask Ubuntu and found multiple other questions[1] [2] [3] [4], but a) most of them don't fully fit my circumstances, and b) the ones that do haven't been ...
SarahofGaia's user avatar
3 votes
2 answers
159 views

How can I validate an installation DVD?

I have downloaded an Ubuntu ISO and burned it to DVD. While installing from the DVD onto VirtualBox I got an error which suggested either the HDD or DVD or overheating were the cause. I am ...
lofidevops's user avatar
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2 votes
1 answer
698 views

Ubuntu Server 18.04.2 HWE kernel: ./boot/grub/efi.img file failed the MD5 checksum when booting UEFI

I downloaded Ubuntu Server 18.04.2 (classic installer) and put it on a flash drive. I then ran the integrity check and all was well. But then I realized that I wanted to install the HWE kernel. After ...
Stonecraft's user avatar
345 votes
6 answers
735k views

How do I check the SHA1 hash of a file?

How do I check the SHA1 hash of a file?
Lincity's user avatar
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35 votes
6 answers
66k views

Create checksum sha256 of all files and directories?

I need to create a list of checksums of the files that are inside a directory, including any subdirectories. The command that I try to execute is the following: sha256sum -b * Usage: -b = Read ...
MarianoM's user avatar
  • 655
11 votes
6 answers
29k views

Can two different firmware files have same md5 sum?

Can two different binary files have the same md5 sum? One binary firmware file have different version number and marked as revised, small bug fixed. But both files have same md5 sum, I would assume ...
minto's user avatar
  • 831
7 votes
1 answer
2k views

Should I be worried about "warning: checksum areas are greater than image size. Invalid section table?" messages during kernel upgrade?

I just ran the command sudo apt-get dist-upgrade and this was the output: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done ...
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4 votes
1 answer
3k views

MD5 says the checksum is correct but still "Check finished: errors found in 2 files"

I'm attempting to dual boot windows 8.1 and ubuntu but I can't quite seem to create a USB boot drive without errors. Twice now I have downloaded ubuntu-14.04-desktop-amd64 from the official website, ...
cancub's user avatar
  • 41
3 votes
2 answers
2k views

Search file with known sha1 sum

I have to find specific file with known sha1 sum. I know in which folder the file should be, but there are sub-folders (up to max-depth 4). I know more or less parts of filename (contains words "...
NonStandardModel's user avatar
3 votes
3 answers
838 views

why there is two identical bash?

I have seen some bash scripts start with /user/bin/bash and others/bin/bash I did a check-sum with cksum 2695035772 1392424 /usr/bin/bash 2695035772 1392424 /bin/bash they look exactly the same, so ...
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3 votes
2 answers
5k views

MD5 checksum not matching

I just downloaded ubuntu-14.04.1-desktop-amd64.iso from the official website and ran a MD5 checksum d2b966f36e76486ff4c83fb085557f97 which doesn't match any of the MD5 checksums listed at http://...
Sumit's user avatar
  • 135
3 votes
2 answers
4k views

Generate a separate .md5 file for each .fastq file in a directory?

I am trying to generate separate .md5 files for each .fastq file in a directory. I found solutions to generate a single .md5 file for many files, but this is not what I am looking for. I have file1....
Chris_bio's user avatar