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-   -   How to check the MD5 sum (https://www.linuxquestions.org/questions/linux-general-1/how-to-check-the-md5-sum-446742/)

Gins 05-20-2006 12:20 PM

How to check the MD5 sum
 
I have downloaded the latest SuSE Linux 10.1 version.
It was a 64 bit version. They have given the MD5 sum of the each CD.

You can download from the following site. There will be 5 CDs for programs.
You could download the other stuff like the PDF files related to the installation too.

http://en.opensuse.org/Released_Version

I tried in vain to check the MD5 sum.
-------------------------------------------------------------


[nissanka@c83-250-110-112 Desktop]$ md5 SUSE-Linux-10.1-GM-x86_64-CD1.iso
bash: md5: command not found
[nissanka@c83-250-110-112 Desktop]$ md5 'SUSE-Linux-10.1-GM-x86_64-CD1.iso'
bash: md5: command not found
[nissanka@c83-250-110-112 Desktop]$ su root
Password:
[root@c83-250-110-112 Desktop]# md5 'SUSE-Linux-10.1-GM-x86_64-CD1.iso'
bash: md5: command not found
[root@c83-250-110-112 Desktop]#

What is the problem?

Nylex 05-20-2006 12:21 PM

The command is md5sum.

Gins 05-20-2006 01:12 PM

Thanks Nylex.
Now it works.

[root@c83-250-110-112 Desktop]# md5sum 'SUSE-Linux-10.1-GM-x86_64-CD1.iso'
60cf3e9b090326c39334a72c66145ad2 SUSE-Linux-10.1-GM-x86_64-CD1.iso
[root@c83-250-110-112 Desktop]#

Gins 05-21-2006 06:25 AM

If you look at the site I mentioned, you can download the program; it has 5 CDs.

There is an 'Addon CD1'. This will be the sixth CD. What is the meaning of it? They have written the following:

The Addon CD contains packages with closed source or not OSI-compliant license.
--------------------------------------------------------------------------------------------

I can't take in the words 'closed source'.
What is OSI-compliant license? The OSI model has nothing to with program installation.

Is it necessary to download the 'Addon CD'?

Nylex 05-21-2006 06:33 AM

I assume that that CD is optional and you don't need it if you don't want to use closed source software or stuff that isn't released under an Open Source Initiative compliant license. There's a list of such licenses here.

Rindert 05-21-2006 06:45 AM

This 6th cd contains software like java and Realplayer and software to play dvd's on linux.
It is all software with an other licence the the GPL licence wich is used for OSS Suse Linux.

Gins 05-21-2006 09:32 AM

I know it is not necessary to mount CDs on Mandriva Linux. I opened the word processor and tried to see the files inside the CDs. No, it didn't work.

I burnt the files on to CDs.

How can I read the files inside the CDs?

Nylex 05-21-2006 10:37 AM

What kind of files are they?

Gins 05-21-2006 11:02 AM

All kinds of files are there. On top of that I made another CD to backup files. It is an incremental CD; so I can backup again.

I tried in vain to read CDs.

I thought I should mount the CD Rom drive like the good old days Linux.

You can use the command ' mount /dev/cdrom ...' . It refused to mount and informed me it is already mounted.

I know for sure that Mandriva Linux automatically mounts the CD Rom drive.

I am not overly worried about the 5 CDs of SuSE Linux 10.1 version; because the md5 sum values are alright. I dowonloaded them to the 'Desktop' and checked the 'md5 sum' before burning.


The incremental CD has some letters I wrote using the Open Office wordprocessor, some 'jpeg' format photographs, some homepage making .html files, some programmes I made in the shell(scripting language), some files I made using the 'vi' editor, etc
[How can I read the files on this CD?]

Nylex 05-21-2006 11:08 AM

So you mounted the CD and what happened when you tried to read the files?

Gins 05-21-2006 11:16 AM

I opened the wordprocessor and went deep into the CD to open the files.
I got the following message.

-----------------------------------
The file /dev/cdroms/cdrom 0 does not exist.

Make sure you have entered the correct file name.
-----------------------------------

Nylex 05-21-2006 11:28 AM

You should be using the directory that the CD is mounted to, e.g. /mnt/cdrom (or whatever is appropriate for your setup, running "mount" will tell you where /dev/cdrom is mounted).

Gins 05-21-2006 11:32 AM

Yes, Nylex.

I made a terrble blunder.
I didn't go into the 'mnt' folder.

I just went into the 'dev' folder. That was the mistake.

Thanks to your help it works.

You know I work with Solaris too. So I mess up things from time to time.


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