A checksum or hash sum

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238 views

Are there any know errors in the Ubuntu 16.04 bootable USB sticks that we create with the disk creator?

I have just created a bootable USB stick with the new ubuntu 16.04 iso. The md5 check gives me that everything is fine with the iso I make it from, but when I check for errors on the USB pendrive. I ...
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1answer
122 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 ...
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1answer
40 views

Looking for the checksum for Ubuntu 14.0.4.3 32bit [duplicate]

When I started the download for 14.0.4.3 32bit I didn't find any obvious link to a list of checksums. I'd suggest that site management add that information. in the meantime can someone point me to the ...
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2answers
160 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 ...
4
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1answer
283 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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1answer
133 views

Nautilus script to compare hash values of two files

Sometimes I need to check if two files are identical. I attempted to make a bash script to achieve that but I can not make my head around it. I found below script on the net, I placed it in Nautilus ...
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2answers
70 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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0answers
108 views

After Downloading with wget, Cecksums Hashes are different with original file. Is re-downloading the only way to repair?

It was a tar.gz archive (eclipse-java-luna-SR1a-linux-gtk-x86_64.tar.gz) and was downloaded 100% due to wget-log. Is there any way to recover this file without re-downloading? The size of local file ...
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2answers
1k 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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1answer
218 views

md5deep create checksum for directory with relative paths

How do I create checksum for a directory with md5deep, for checking duplication in another location? For example: I want to create checksum file for /home/user/Documents and I want check duplicate ...
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1answer
252 views

How to generate sha1 hashes of a whole dvd?

How can I generate one text-file containing all sha1 hashes of all files on a dvd with many folders and subfolders?
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1answer
174 views

MD5 of official Ubuntu downloads NEVER match

I have tried to download the 14.04.1 and 14.04 versions of Ubuntu serveral times from different mirrors on different PCs/Laptops using Firefox to download from the site and BitTorrent to download via ...
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1answer
71 views

How does the ubuntu Live CD check itself for defects?

One of the options when you boot up the CD is to check itself for defects. How does it do this? Surely there could be a defect that gives a false positive? Or is that incredibly unlikely - does it use ...
0
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1answer
48 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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1answer
550 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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0answers
2k 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, ...
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2answers
48 views

Where I can I find an image 11.04? [duplicate]

I am running a older Toughbook CF 29 and had I think 11.04. I tried to upgrade to 12.04 but it didn't take. So I am looking for a stable image. Could some one point me in the right direction? I would ...
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1answer
86 views

Recursive Checksumming

I've been using the following command line to do recursive checksumming of directories. It seems to get the job done, but still being a newbie I've been wondering, are there any potential problems ...
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1k views

“The ./boot/grub/efi.img file failed the MD5 checksum verification.”

Related question: Why does integrity check fail for the 12.04.1 Alternate ISO? I downloaded and wrote ubuntu-12.04.3-server-amd64.iso to a USB key, but when I boot from it and select "Check disc for ...
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3answers
671 views

Is there a checksum utility equivalent to Hashtab for Windows?

I use Hashtab in Windows to compute the hash of a file. All I have to do is right click on the file, click properties and in the properties menu there would be a tab called Hash and it contains the ...
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2answers
1k 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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3answers
21k 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?
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1answer
894 views

is there a way to ignore checksum error?

I have downloaded installer of Mathematica from it's website but checksum does not match and i can't install it. Is there any way to ignore checksum and install it anyway?
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1answer
1k views

How to force the installation of a modified .bin file?

I modified a .bin file for the software ELAN so the path to one of my libraries is correct (after installation, ELAN can't find the library because the path is not right). So I used Emacs to correct ...
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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
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2answers
791 views

is there a simple way to check a live CD for errors?

I was trying to use 2 methods "HOWTOMD5SUM" and "HOWTOSHA256SUM", but they are all way complicated for a newbie. Is there an application that could do the same in a simple way? I've already tried ...
3
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2answers
96 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 ...
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1answer
114 views

How can I find out if Nautilus uses copy/move validation?

Normally I use rsync or rdiff-backup to copy or move large amounts of files around with validation activated. I don't know if Nautilus uses some kind of verification on copy or move commands.
0
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1answer
339 views

How to verify if an uploaded file was uploaded correctly

I have uploaded an ISO file to my server via rsync. How can I verify it is correct (Not corrupted or something). This is just in case rsync had an problem.
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4answers
124k views

How do I check the SHA1 hash of a file?

How do I check the SHA1 hash of a file?