Re: [libreoffice-users] North American DVD 3.5.6

NO ONE
has given me the  answer before on how to create a md5sum file before.  
And I asked that question back in the 3.3.x version days.

I have printed your answer out to PDF and I will place it on my 
folder[s] for the NA-DVD work.

I use Ubuntu 12.04/MATE [10.04/GNOME before this month] to create the 
NA-DVD web site and the ISO file.
I use Kompozer and Kate for most of the HTML work.
I use K3b to create the ISO file
I use Filezilla as my FTP client.

K3b creates a checksum but I do not know where it is "stored" for my use.



On 10/21/2012 11:23 AM, James Knott wrote:
> Tom Davies wrote:
> > Hi :)
> > That does sound hugely useful but please could you let us know the 
> > name of the utility you used?  If it was for a particular DE i'm sure 
> > we could work out the name for another DE if we need to.  Just 
> > knowing the name of 1 would help!
> >
> > Also any suggestions on how to use the utility?  If it's command-line 
> > only i think it's still possible even for us point&click users but we 
> > could use a little guidance.  Errr, i'm still not in the NA Dvd team 
> > but am still interested in how to generate an Md5sum.
> > Many thanks and regards from
> > Tom :)
>
> In Linux, it's called "md5sum".  As for Windows, Google on "Windows 
> md5sum" to find utilities you can download.
>
> Here's a list of the directory where I downloaded openSUSE:
>
> jknott@linux:~/download/suse/12_2 $ ls -l
> total 8903692
> -rw-r--r-- 1 jknott users        126 Sep 16 14:41 md5sum
> -rw-r--r-- 1 jknott users 4448059392 Sep 16 14:24 
> openSUSE-12.2-DVD-i586.iso
> -rw-r--r-- 1 jknott users 4669308928 Sep 16 14:22 
> openSUSE-12.2-DVD-x86_64.iso
>
> The md5sum file contains:
>
> 26dd6c187f743f3af0cbb31eed138a07  openSUSE-12.2-DVD-x86_64.iso
> 0373980cd6f270e1172067b86c044633  openSUSE-12.2-DVD-i586.iso
>
>
> If I run the command md5sum -c md5sum, I get:
>
> openSUSE-12.2-DVD-x86_64.iso: OK
> openSUSE-12.2-DVD-i586.iso: OK
>
> This shows both files match their md5sum.
>
>
> If I run the command md5sum openSUSE-12.2-DVD-x86_64.iso, I get:
>
> 26dd6c187f743f3af0cbb31eed138a07  openSUSE-12.2-DVD-x86_64.iso
>
> This matches the value from the web site, and shows the file is OK.
>
>
> The thing about md5sums is that a small change in the file results in 
> a large change in the file's md5sum.  This means that you don't have 
> to check every character.  If a few at each end are correct, then in 
> all probability the file is OK.
>
> As I mentioned, disc burner software will generally display the md5sum 
> of a file before you burn the disc.  Just check that against the 
> md5sum from the web site.  There may be graphical utilities available, 
> but I haven't had the need to use them as the command line utility is 
> so easy to use.


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