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.

learn more… | top users | synonyms

-1
votes
1answer
79 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 ...
1
vote
2answers
37 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 ...
-1
votes
1answer
36 views

Md5sums for ISO? [duplicate]

I can't find the md5sums for the Ubuntu 12.04.3 i386 Desktop ISO. I just downloaded it today. This is the md5sum I got, is it correct? d39595ac65a12d06e74e320638767591 ...
4
votes
3answers
571 views

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.
0
votes
0answers
71 views

Correct MD5 sum but it is not installing

I have tried to burn my iso file of Ubuntu 12.04 LTS 4 times but none of them booted successfully or installed successfully then I tried to make a boot able USB flash drive but again it dosen't ...
1
vote
0answers
13 views

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?
0
votes
2answers
200 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 ...
1
vote
2answers
218 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 ...
2
votes
2answers
2k 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 ...
0
votes
0answers
23 views

I Try to update and checking for upgrade in Ubuntu 12.04 LTS [duplicate]

And finally it show this message: W: Failed to fetch gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_universe_binary-i386_Packages Hash Sum mismatch E: Some index files ...
0
votes
0answers
67 views

Where to download md5sum.txt for distro with applied security updates

I am looking for a way to find out if specific files are genuine. md5sum.txt should be on the ISO-CD but I didn't find a location to download it seperately for the current version. The system is a ...
2
votes
1answer
275 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 ...
1
vote
2answers
266 views

MD5 checksum doubt

Currently i am trying to install linux I was just checking md5 checksum to see if the file is downloaded correctly or not. situation is like this. I have downloaded linux .iso file in win xp have ...
1
vote
1answer
227 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 ...
1
vote
1answer
46 views

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 ...
10
votes
2answers
2k views

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 ...
12
votes
3answers
781 views

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 ...
0
votes
1answer
2k views

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 ...
0
votes
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.
7
votes
2answers
4k views

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 ...
2
votes
3answers
419 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 ...
10
votes
4answers
2k views

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 ?
4
votes
0answers
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?
2
votes
4answers
952 views

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 ...
4
votes
0answers
220 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.
1
vote
0answers
99 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. ...
15
votes
4answers
6k views

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 ...
2
votes
3answers
217 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 ...
3
votes
2answers
468 views

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 ...
27
votes
4answers
18k views

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 ...
2
votes
1answer
277 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?
1
vote
1answer
180 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 ...
1
vote
1answer
974 views

Fixing /etc/shadow with md5 passwords to sha512 passwords

I recently upgraded an ubuntu server with many users to a recent version from a version from 2008. The server used to use md5 password hashes (e.g., the shadow passwords began with $1$) and now is ...
2
votes
1answer
349 views

Check burned Ubuntu CD

My OS is Ubuntu 10.10. I have burned Ubuntu 11.04 into a CD. Now I tried to check the CD following https://help.ubuntu.com/community/HowToMD5SUM#Check%20the%20CD, as following: $ ls -l -rwxrwx--- 1 ...
7
votes
1answer
2k views

How can I disable checksum feature in brasero?

Is there any option in brasero to disable the checksum feature in brasero? It slows down the burning.
17
votes
5answers
2k views

How can I check the integrity of a downloaded Ubuntu CD?

I've just downloaded a CD image of Ubuntu. I know the installer has a check CD option, but how can I check that the image is good before burning it to CD?
7
votes
3answers
2k views

Generate md5 and other checksums from properties menu (added “Digests” tab)

I am trying to restore a function that I had on my last box. It added a tab in the properties menu of any file called "Digests". From there I could choose any/all of the hash formats, click hash and ...
10
votes
8answers
3k views

Where to find the md5sums of Ubuntu ISO images?

I just downloaded the ubuntu-10.10-desktop-i386.iso, and am having a hard time burning it, so I'd like to check that the file is intact, but I cannot find the md5sum of the file. Is there a URL or ...