Hi Phill, Yes, the md5sum of the Maverick alpha-2 CD I burned checks out correctly using that approach. Sorry, need more coffee or something. :)
Bob On Mon, Jul 5, 2010 at 8:39 AM, Phillip Whiteside <phi...@phillw.net> wrote: > Hi Bob, > you can use md5sum from the command line to check the downloaded iso. If > you're a bit rusty on the > command http://forum.phillw.net/viewtopic.php?f=18&t=94 has the 10.04 > version, just change the file name. > To check the CD you'd need to know the size of the iso file (I haven't > downloaded it yet) and divide it by 2048, that would then be the figure for > count in the dd check > For the 10.04 release, the filesize is 546285568 and 546285568 / 2048 = > 266741 so the command is. > dd if=/dev/cdrom bs=2048 count=266741 | md5sum > It is all covered in detail > at https://help.ubuntu.com/community/HowToMD5SUM The reason for using the > block size of 2048 is that it makes the checking of the cd much faster than > using a block-size of one (try it some time !!), that document also explains > why you cannot just do md5sum /dev/cdrom. > > Regards, > Phill. > > On Mon, Jul 5, 2010 at 12:41 PM, Bob Trevithick <bob.trevith...@gmail.com> > wrote: >> >> Hi Phill, >> >> The ISO I'm using is the one Julien pointed us to in this list. The >> Maverick beta: >> >> Torrent: >> http://people.ubuntu.com/~gilir/lubuntu-maverick-alpha2.iso.torrent >> Download: >> http://people.ubuntu.com/~gilir/lubuntu-maverick-alpha2.iso >> Md5sum: >> http://people.ubuntu.com/~gilir/md5sum.txt >> >> Isn't that the one we're all working with at this point? If not, then >> I'm more confused than I realized. :) >> >> Regards, >> Bob >> >> On Sun, Jul 4, 2010 at 10:51 PM, Phillip Whiteside <phi...@phillw.net> >> wrote: >> > Hi Bob, >> > does the iso that you are using pass the md5? >> > If you're using the https://wiki.ubuntu.com/Lubuntu#Download >> > Lubuntu then I >> > can ask as to how the iso burns to a usb with checking the md5. >> > Regards, >> > Phill. >> > >> > On Mon, Jul 5, 2010 at 2:49 AM, Bob Trevithick >> > <bob.trevith...@gmail.com> >> > wrote: >> >> >> >> Okay, I'll try to wrap my head around the whole problem and see if I >> >> can write it up coherently.. after a bit of sleep. :) >> >> >> >> In the meantime, with the USB install, I have the same issues I noted >> >> in my opening post.. and looking at the USB stick I notice that the >> >> boot.cat file still has the wrong md5sum (if that's relevant.) So, my >> >> initial post still stands if any of those things are of interest at >> >> the moment. >> >> >> >> Tomorrow I'll see precisely what it takes to overcome the dim display >> >> problem. And I have to sort out wireless and a few other things. Let >> >> me know, please, what would be most useful to you folks at this stage. >> >> >> >> Night, >> >> Bob >> >> >> >> On Sun, Jul 4, 2010 at 9:33 PM, Phillip Whiteside <phi...@phillw.net> >> >> wrote: >> >> > Hi Bob, >> >> > If the CD is not burned at 4X speed, it can cause horrors. In 9.10 I >> >> > could >> >> > burn at that rate, in 10.04 I cannot. As a part of these 'funnies' >> >> > that >> >> > happen, one of the tech guys told me that he could not burn at 4X in >> >> > 9.10 >> >> > but can do in 10.04 ..... >> >> > I have learned to 'cheat' and use CD-RW's or DVD-RW's which keeps the >> >> > burn >> >> > speed down. >> >> > >> >> > Oh, and I've used brassero etc., it seems to be a kernel issue but >> >> > one >> >> > that >> >> > is really hard to nail down. >> >> > Regards, >> >> > Phill. >> >> > On Mon, Jul 5, 2010 at 2:13 AM, Bob Trevithick >> >> > <bob.trevith...@gmail.com> >> >> > wrote: >> >> >> >> >> >> Sure, I can write up a version for Maverick, as soon as I understand >> >> >> what's actually happening with the whole process. I mean, I took >> >> >> Andy's advice and made a bootable USB stick instead (much faster >> >> >> than >> >> >> the CD.. glad I learned about that) but I still don't know why the >> >> >> CD >> >> >> burn process is causing errors, etc. >> >> >> >> >> >> On Sun, Jul 4, 2010 at 8:27 PM, Phillip Whiteside >> >> >> <phi...@phillw.net> >> >> >> wrote: >> >> >> > Those instructions are solely for the 10.04 disk, if you are using >> >> >> > a >> >> >> > different installation method then the check sum will be >> >> >> > different. >> >> >> > If you pop over to the >> >> >> > thread http://forum.phillw.net/viewtopic.php?f=18&t=94 that gives >> >> >> > the >> >> >> > 10.04 >> >> >> > release, I would need to update it for the release levels for the >> >> >> > alphas, or >> >> >> > I could give you the instructions as to how to write them :p >> >> >> > Possibly the md5 | cdrom command may be easier for people, as it >> >> >> > only >> >> >> > requires the md5 sum to check against. >> >> >> > Regards, >> >> >> > Phill. >> >> >> > >> >> >> > On Mon, Jul 5, 2010 at 12:56 AM, Bob Trevithick >> >> >> > <bob.trevith...@gmail.com> >> >> >> > wrote: >> >> >> >> >> >> >> >> Ah, well, hmm. I don't get the correct md5sum according to this >> >> >> >> method either, Phill. >> >> >> >> >> >> >> >> b...@ub32:~$ dd if=/dev/cdrom bs=2048 count=266741 | md5sum >> >> >> >> 0e9fac900c8288b243e875d9b1b65479 - >> >> >> >> 266741+0 records in >> >> >> >> 266741+0 records out >> >> >> >> 546285568 bytes (546 MB) copied, 112.087 s, 4.9 MB/s >> >> >> >> >> >> >> >> So, I tried yet another approach and burned one with Nautilus as >> >> >> >> per >> >> >> >> the instructions. For the first time, I got an actual error >> >> >> >> during >> >> >> >> the burn. It didn't tell me what was wrong, but at least it >> >> >> >> alerted >> >> >> >> me to the burning error. >> >> >> >> >> >> >> >> Okay, I've tried to burn this on three different machines, using >> >> >> >> three >> >> >> >> different burning applications, and two different types of blank >> >> >> >> CDs. >> >> >> >> Maybe I'm not cut out for this kind of work. ;-) >> >> >> >> >> >> >> >> I'll download the 32-bit alternate CD, do a command-line install, >> >> >> >> and >> >> >> >> then apt-get the lubuntu-desktop package. That should give me >> >> >> >> the >> >> >> >> same thing I'm trying to do here, right? >> >> >> >> >> >> >> >> Thanks! >> >> >> >> >> >> >> >> Regards, >> >> >> >> Bob >> >> >> >> >> >> >> >> On Sun, Jul 4, 2010 at 7:32 PM, Phillip Whiteside >> >> >> >> <phi...@phillw.net> >> >> >> >> wrote: >> >> >> >> > dd if=/dev/cdrom bs=2048 count=266741 | md5sum >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> >> Mailing list: https://launchpad.net/~lubuntu-desktop >> >> >> >> Post to : lubuntu-desktop@lists.launchpad.net >> >> >> >> Unsubscribe : https://launchpad.net/~lubuntu-desktop >> >> >> >> More help : https://help.launchpad.net/ListHelp >> >> >> > >> >> >> > >> >> > >> >> > >> > >> > > > _______________________________________________ Mailing list: https://launchpad.net/~lubuntu-desktop Post to : lubuntu-desktop@lists.launchpad.net Unsubscribe : https://launchpad.net/~lubuntu-desktop More help : https://help.launchpad.net/ListHelp