Gentoo Archives: gentoo-user

From: covici@××××××××××.com
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] having problems getting burned cds to work
Date: Tue, 26 May 2015 19:03:49
Message-Id: 31689.1432667017@ccs.covici.com
In Reply to: Re: [gentoo-user] having problems getting burned cds to work by Mick
1 Mick <michaelkintzios@×××××.com> wrote:
2
3 > On Tuesday 26 May 2015 13:21:56 Neil Bothwick wrote:
4 > > On Tue, 26 May 2015 06:17:03 -0400, covici@××××××××××.com wrote:
5 > > > > What does "isoinfo -d -i /path/to/file.iso" say about it?
6 > > >
7 > > > No, udf says no partition or some such, and iso-info gives
8 > > >
9 > > > ISO 9660 image: /audio/grml/grml64-full_2014.11.iso
10 > > > Preparer : XORRISO-1.2.2 2012.04.02.133001, LIBISOBURN-1.2.2,
11 > > > LIBISOFS-1.2.2, LIBBURN-1.2.2
12 > > > Publisher : grml-live | grml.org
13 > > > Volume : grml64-full 2014.11
14 > > > Joliet Level: 3
15 > >
16 > > isoinfo, not iso-info. The former gives more information.
17 >
18 > Also, confirm that a)the downloaded iso file and b)the CD is not corrupt. For
19 > the iso file run:
20 >
21 > sha1sum somefile.iso
22 >
23 > and check that it matches the sha1 checksum published at the website.
24 >
25 > For the CD run:
26 >
27 > ls -l somefile.iso
28 >
29 > to find how big the is file, for example 650,000,000 bytes. Then run:
30 >
31 > dd if=/dev/sr0 bs=2048 count=650000000 | sha1sum
32 >
33 > (This is necessary to exclude any code after the end of the iso content which
34 > the cdrecord will write on the CD to close the recording session).
35 >
36 > Even if a sha1 or md5 hash is not available from the website, you can at least
37 > compare the two hashes between the iso file and the CD.
38
39 OK, thanks I will check, but I did a recursive diff on the iso and the
40 mounted cd and got no differences.
41
42 --
43 Your life is like a penny. You're going to lose it. The question is:
44 How do
45 you spend it?
46
47 John Covici
48 covici@××××××××××.com