md5sum is a command line program used to calculate MD5 hashes of files, and provides a simple way to check the integrity of a download.

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Verify the current Google Chrome installation's integrity

I have installed Google Chrome from the .deb file provided here, but after I installed it I realised that I had not checked the MD5 of the .deb file to make sure that it was not corrupt or tampered ...
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1answer
237 views

Bashscript making a variable equal a command. error command not found

Hi i keep getting the error ./imagehash.sh: line 2: =: command not found When i know that i set the $CMD variable correctly (i tried the command outside the bash script and it worked just fine) ...
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40 views

Check for redundancy before downloading any file

Is there a way you can check whether you have already downloaded a file previously or not before actually downloading it. I know - wget can do that, only if the filename of the file trying to be ...
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1answer
15 views

md5sums are wrong on 2 downloads downloading a 3rd now

md5sums have been wrong on 2 of my downloads of ubuntu Desktop, checked all sums on the page with software link ubuntu provided, what's up?
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60 views

Dvd md5 same as iso, sha1 and sha256 not

So here's my dilemma: i ran these 3 commands in terminal, one at a time, to check the hashes of a burnt dvd: dd if=/dev/cdrom bs=1 count='size' | md5sum dd if=/dev/cdrom bs=1 count='size' | ...
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32 views

Checksum of system binaries changed

This morning I received several OSSEC notifications about changed integrity checksums. Affected files are /bin/mv, /bin/dir, /bin/pwd, /bin/chrgrp and about 50 similar binaries from /bin and /usr/bin. ...
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56 views

ubuntu MD5SUM hash doesnt match, now how to repair the iso image?

I have checked MD5SUM hash for the downloaded Ubuntu desktop 14.04 and it didn't match. I have downloaded the file from official website without using any client like utorrent etc. How can I repair ...
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2answers
290 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 ...
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Checksum failed while bitbake

I am using ubuntu 12.04 to build gumstix-microwindows-image. However I am getting this error when I do bitbake gumstix-microwindows-image NOTE: Handling BitBake files: | (4957/4958) [99 %]ERROR: ...
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231 views

Error in MD5 checksums when trying to install AMPPS stack

Major noob here, just moved over to sole use of Ubuntu on my machine. Trying to install the AMPPS stack, followed the guide and after ./Ampps-2.5-x86.run command I am receiving the error: Verifying ...
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472 views

wubi compares 14.04 md5sum with md5sum from 14.04.1 file

I downloaded lubuntu-14.04.1-desktop-i386.iso. The calculated md5sum is: 281fc36d625f7ca0704297b3b811fa66 . According to help.ubuntu.com/community/UbuntuHashes that is the correct md5sum. Also ...
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I am not able to find the md5sum for ubuntu 14.04.1 iso image

I have just downloaded the new release of ubuntu which is ubuntu 14.04.1. but i am unable to find the md5sum for this. the ubuntu website show me the md5sums of ubuntu 14.04 and more previous ...
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3answers
430 views

MD5 hash for xubuntu-14.04.1-desktop-amd64.iso

I cant find the MD5 hash for xubuntu-14.04.1-desktop-amd64.iso anywhere here. PS: I know that the 14.04 MD5 are there.
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1answer
305 views

Ubuntu 14.04.1 installation error Md5 hash mismatch

I have downloaded the ISO file with correct md5sum hash (119cb63b48c9a18f31f417f09655efbd) but while installing with wubi it says md5sum mismatch error as it is comparing the md5sum of the 14.04.1 ...
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391 views

MD5 checksum doesn't match

I'd like to install Ubuntu 14.04 LTS 64bit so i've downloaded it to my harddrive. I checked the MD5 checksum and it doesn't match. Mine is 119cb63b48c9a18f31f417f09655efbd The checksum given is ...
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39 views

Easy way to create an installation USB

Unetbootin and other scripts are too much of a hassle, and dd is just plain scary. How can an unenlightened user like me create an Ubuntu installation USB using intuitive, colorful graphical tools?
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481 views

14.04.1 md5sums

The official checksum page only goes until 14.04. Where can I check my 14.04.01 download (119cb63b48c9a18f31f417f09655efbd)?
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2answers
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a question about md5sum

Can i be sure, that a burned Ubuntu DVD with right md5 checksum result is free of any malware or could there still be malware on the DVD f.e. in case it was created on a already infected PC? Regards ...
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2answers
298 views

Can't install ubuntu 14.04 with usb & md5 check sums are different

when I try to install Ubuntu with usb stick Just gets to where its about to start with the purple ubuntu loading screen then it goes back to text and gives this message BusyBox v1.21.1 (Ubuntu ...
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1answer
82 views

there's an alternative for the windows software “hash check” in ubuntu? [closed]

see: http://code.kliu.org/hashcheck/ there's an alternative for this shell extension for windows on ubuntu? see the features for more info never found a solution so convenient..
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270 views

Problem while installing Ubuntu 14.04 from USB drive

I have recently downloaded the Ubuntu 14.04 iso file via torrent. After downloading, I checked the MD5 sum of the downloaded .iso file and it was correct. Then I created bootable USB drive using the ...
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How to check the progress of md5sum on many huge files?

I have some 500 files of 650MB each, named bigfile.000 to bigfile.199 and I need to calculate the MD5 checksum of all files combined. The command I am using is: cat bigfile.* | md5sum I have the ...
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643 views

How do I find the md5sum for 14.04? [duplicate]

Every time I download a new version of Ubuntu, I have trouble finding the md5sum to compare with the md5sum I generate from the new .iso file. Shouldn't there be a link on the download site where all ...
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2answers
561 views

How to automate comparison of md5sum hash values for a large number of files

I can check md5sum hash of a file from a terminal as, $ md5sum my_sensitive_file 8dad53cfc973c59864b8318263737462 my_sensitive_file But the difficult part is to compare the hash value with exact ...
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Dump md5 and sha1 checksums with a single command!

I am looking for command or utilities for calculating md5,sha1 hash value by one command. Right now ubuntu has sha1sum and md5sum command for calculating hash value.
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md5 Hash for 12.04.3 versions not listed [duplicate]

The UnbuntuHash page only lists hashes up to version 12.04.2. Where can I find the hash for 12.04.3?
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563 views

Better solution to a wrong md5 checksum

Sometimes, while downloading the ISO installation file, it may get corrupted on the way and becomes unfit for use. One possible solution that I know to deal with this problem is re-downloading the ...
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2answers
459 views

sha256sum/md5sum gives different results for big files (Ext4/Full disk Encryption)

Yesterday I reinstalled Ubuntu 13.04 64-bit on my computer (4GB RAM), and for the first time I decided to use Full Disk Encryption (all default settings). Today while running backups my computer ...
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2answers
4k views

How do I install a program using a .md5 file?

This is a very basic question that probably has a very easy answer. I am a frequent customer at humblebundle.com and some of the games come in a format called ".md5". I understand it is a format that ...
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1answer
526 views

Enabling TCP MD5 signatures in 12.04?

After running a NeXpose scan of one of my servers, I'm getting notice that TCP MD5 signatures may not be enabled. I've looked all over the net and from what I can see this feature should be enabled ...
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2answers
593 views

MD5 checksum cross-platform compatibility

I was just checking a md5 checksum to see if a file has downloaded correctly or not. situation is like this. I have downloaded a Linux iso file in Windows and checked the md5 with the Microsoft 'File ...
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427 views

How large a checksum file can md5sum handle?

I have a large collection of files (87.3 GB and 80054 objects) which I am copying from drive to drive. To make sure everything went well, I have made a checksum file to check with md5sum -c ...
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Searching for MD5SUMS of 12.04 Daily Build on January 19th

I downloaded and burned Precise Pangolin Daily Build on 19th January 2013 but forgot to gather the MD5Sum... which was a bad idea since I'd like to verify the file & disk now. Is there an archive ...
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How to identify and replace broken files in a corrupted Ubuntu ISO?

So, this isn't exactly an issue running Ubuntu, but rather with installing it. Every time I try to download the Ubuntu ISO (from any source) it seems to end up corrupt. That is, the MD5 sums are ...
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Are ubuntu packages (deb-files) only md5sum secured?

Introductory Background to the question below### (so the question is more usable to more people) Inside of an Ubuntu/debian-style package (*.deb file) there is a file named /DEBIAN/md5sums which has ...
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Check hash (MD4, MD5, SHA-1, and CRC) on Ubuntu 12.04 and 12.10 [duplicate]

I have a lot of iso-files downloaded from internet. I want to check the hash from my Ubuntu 12.04 and 12.10. Is there any application on Ubuntu to check the MD4, MD5, SHA-1, and CRC hash? I need the ...
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1answer
2k views

Where can I get the hash for 12.04.1 ISO? [duplicate]

Possible Duplicate: Where to find the md5sums of Ubuntu ISO images? Where can I get the hash for 12.04.1 ISO? Is it the same for 12.04? I can't find it.
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Why does integrity check fail for the 12.04.1 Alternate ISO?

I have followed various recommendations from the Ubuntu Documentation to create a bootable Ubuntu USB flash drive using the 12.04.1 Alternate install ISO-file for 64-bit PC. But the integrity test of ...
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3answers
523 views

Should I be worried? md5

I installed Ubuntu 12.04 a few weeks ago, from a download off of the website. I still have the dvd used. I was talking to my friend today about it and he mentioned something about checking the hash to ...
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What are the differences between “md5sum” and “sha256sum”?

Why we need two tools for verifying ISO . is there any specific things to consider between them ?
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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?
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4answers
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Why does my burned Ubuntu DVD have a different hash/checksum than the iso?

I downloaded the 10.04.4-dvd-amd64.iso file, then burned it to a DVD. I then tried installing it but it hangs at 95%. I then checked the hash with md5sum and they are not the same. The ISO is the same ...
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221 views

Where can I get the hash for 12.04 ISO? [duplicate]

Possible Duplicate: Where to find the md5sums of Ubuntu ISO images? I've downloaded the 12.04 LTS ISO file but I can't locate the hash file anywhere.
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0answers
100 views

Ubuntu 12.04 MD5 doesn't match [duplicate]

Possible Duplicate: MD5 mismatch on my 12.04 ISO, what is going on? I downloaded Ubuntu desktop i386 12.04 from http://na.mirror.garr.it/mirrors/ubuntu-releases/ and the MD5 does not check. ...
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MD5 mismatch on my 12.04 ISO, what is going on?

I downloaded ubuntu-12.04-desktop-amd64.iso from http://releases.ubuntu.com/precise/ This page also has a link to file showing the respective MD5 hashes for each file The page shows ...
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3answers
229 views

Alternate CD image downloaded last year gives different hash

I had downloaded the alternate CD images through torrents some time last year, and now that I need it again I decided to check it's md5 hash. $ md5sum ubuntu-11.10-alternate-i386.iso ...
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How do I calculate md5sum for a variable? [duplicate]

Possible Duplicate: How to get the MD5 hash of a string directly in the terminal? I have a given variable and I have to calculate its md5sum. I have tried with "md5sum $variable", but it ...
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How to get the MD5 hash of a string directly in the terminal?

How do I get the MD5 hash of a string directly from the terminal? For example, I want the string abcdefg hashed. Currently the md5sum command only accepts a filename as input. I want to simply enter ...
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1answer
310 views

How can I move files from one place to other with validation/md5 done to origin and destination?

How can I move files from one place to other with validation/md5 done to origin and destination? Is there some tool or sequence of commands you can script to do this?
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191 views

where to report wrong hash sum in an ubuntu update failure?

the firefox update fails because the cairo-dock package and five other cairo-dock-packages have an incorrect hash sum and thus cannot be downloaded. I cannot find any way to report such a problem ...