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Mepis Manual Problem 
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Post # 296072
Post Mepis Manual Problem
I've been reading through the Mepis Manual, and on this page - file:///usr/share/mepis-manual/en/index.html#section02-3 - it says;
MEPIS 11.0.12 USERS MANUAL wrote:
Verify the integrity
It is a good idea to verify the integrity of the burn, just as you did of the ISO (in Section 2:2). If you didn't burn your new MEPIS Linux LiveDVD/DVD with a program that can verify the data after the burn, you can check its integrity another way.


Linux
In terminal type:
md5sum devicelocation

If you burned a DVD, the typical device location ("mount point") is /dev/cdrom. Other devices can be hdc or scd0. Navigate with the file manager Dolphin to /etc/fstab to check the device names on your system.
Wait for the MD5 sum to be calculated, and compare it with the sum obtained from the download site: they should be the same.


I tried that and it doesn't work for me (I'm using the default terminal in Mepis 11 - etc:bash) - here's a readout from my /etc/fstab -
Code:
/dev/cdrom /media/cdrom udf,iso9660 noauto,users,exec,ro 0 0
/dev/sr0 /media/cdrom udf,iso9660 noauto,users,exec,ro 0 0
and here's the readout from the attempt to md5sum -
Code:
Rooinek@MEPIS-1:/etc$ md5sum /dev/cdrom
md5sum: /dev/cdrom: Input/output error
Rooinek@MEPIS-1:/etc$ md5sum /dev/sr0
md5sum: /dev/sr0: Input/output error
Rooinek@MEPIS-1:/etc$ md5sum /media/cdrom
md5sum: /media/cdrom: Is a directory

I get the same thing when I switch to superuser
Code:
[root@MEPIS-1:/etc]# md5sum /dev/cdrom
md5sum: /dev/cdrom: Input/output error
[root@MEPIS-1:/etc]#md5sum /dev/sr0
md5sum: /dev/sr0: Input/output error
[root@MEPIS-1:/etc]#md5sum /media/cdrom
md5sum: /media/cdrom: Is a directory


Is there something I'm missing?


Mon Feb 20, 2012 3:14 pm

Rooinek thanked by: Adrian, Jerry3904
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Post # 296073
Post Re: Mepis Manual Problem
I think that used to work with CDs, probably doesn't work anymore with DVDs (can anybody confirm?) I think it needs to be removed from the manual or changed.

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Mon Feb 20, 2012 3:19 pm
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Post # 296080
Post Re: Mepis Manual Problem
Adrian wrote:
I think that used to work with CDs, probably doesn't work anymore with DVDs (can anybody confirm?) I think it needs to be removed from the manual or changed.

I was trying this out with an antiX CD - I've been trying to find a way to verify the CD after it's burnt for a while, so I thought this was it!


Mon Feb 20, 2012 3:36 pm
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Post # 296084
Post Re: Mepis Manual Problem
hmmm, I don't know it works for me, I usually just run a md5sum /dev/cdrom (it works on DVD too, but it gives a wrong sum).

There might be a problem with the CD itself, can you try with a CD that you know it's good?

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Mon Feb 20, 2012 3:58 pm
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Post # 296085
Post Re: Mepis Manual Problem
Joany has a method for getting the DVD's md5sum, check this post here: viewtopic.php?p=178016#p178016
You would replace the "2530975744" number in Joany's example with the size of the iso file (in bytes) that the DVD was created with.

bigboppercole has a script in the post that follows Joany's that might also work.


Mon Feb 20, 2012 4:06 pm

kmathern thanked by: Adrian, lucky9
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Post # 296086
Post Re: Mepis Manual Problem
md5sum works for me on a downloaded ISO
Code:
jb@BondDesktop:~$ cd Downloads/
jb@BondDesktop:~/Downloads$ md5sum Mepis-Roadblock_32.iso
2addfde08c0d079e71cec3b141af791e  Mepis-Roadblock_32.iso
jb@BondDesktop:~/Downloads$
But I could not get it to work with a CD.

EDIT: all is explained on this page. We are going to have to change the Manual.

EDIT EDIT: there is what looks to be a nice script here, maybe *we* could test and adapt that.

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Last edited by Jerry3904 on Mon Feb 20, 2012 4:30 pm, edited 1 time in total.



Mon Feb 20, 2012 4:22 pm
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Post # 296087
Post Re: Mepis Manual Problem
BTW: can we move this to the Documentation forum, please? (Should I be able to do it?)

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Mon Feb 20, 2012 4:27 pm

Jerry3904 thanked by: lucky9
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Post # 296090
Post Re: Mepis Manual Problem
Jerry3904 wrote:
BTW: can we move this to the Documentation forum, please? (Should I be able to do it?)

Yes, The moderator block at the bottom of the page, move topic.

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Mon Feb 20, 2012 4:52 pm
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Post # 296091
Post Re: Mepis Manual Problem
Don't see anything at the bottom of the page, though Administrator link is at the left.


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Mon Feb 20, 2012 4:58 pm
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Post # 296092
Post Re: Mepis Manual Problem
Jerry3904 wrote:
Don't see anything at the bottom of the page, though Administrator link is at the left.

I guess you need to be a mod as well as an admin to see that. Odd feature of the software. You would think an admin could moderate fully.

Look now, bottom left "Quick mod tools". I "promoted" you. ;)

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Mon Feb 20, 2012 5:02 pm

richb thanked by: Jerry3904, lucky9
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