Mepis Manual Problem

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Rooinek
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Mepis Manual Problem

#1 Postby Rooinek » Mon Feb 20, 2012 3:14 pm

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: Select all

/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: Select all

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: Select all

[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?

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Adrian
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Re: Mepis Manual Problem

#2 Postby Adrian » Mon Feb 20, 2012 3:19 pm

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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Re: Mepis Manual Problem

#3 Postby Rooinek » Mon Feb 20, 2012 3:36 pm

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!

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Re: Mepis Manual Problem

#4 Postby Adrian » Mon Feb 20, 2012 3:58 pm

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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Re: Mepis Manual Problem

#5 Postby kmathern » Mon Feb 20, 2012 4:06 pm

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.

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Jerry3904
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Re: Mepis Manual Problem

#6 Postby Jerry3904 » Mon Feb 20, 2012 4:22 pm

md5sum works for me on a downloaded ISO

Code: Select all

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

#7 Postby Jerry3904 » Mon Feb 20, 2012 4:27 pm

BTW: can we move this to the Documentation forum, please? (Should I be able to do it?)
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richb
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Re: Mepis Manual Problem

#8 Postby richb » Mon Feb 20, 2012 4:52 pm

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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Jerry3904
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Re: Mepis Manual Problem

#9 Postby Jerry3904 » Mon Feb 20, 2012 4:58 pm

Don't see anything at the bottom of the page, though Administrator link is at the left.
You do not have the required permissions to view the files attached to this post.
Production: 4.2.0-0.bpo.1-amd64, MX-15 RC1, AMD FX-4130 Quad-Core, GeForce GT 630/PCIe/SSE2, 8 GB, Kingston SSD 120 GB and WesternDigital 1TB
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Re: Mepis Manual Problem

#10 Postby richb » Mon Feb 20, 2012 5:02 pm

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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