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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