If your interested I got some more background into why SL was recommended over CentOS.
Basically CentOS as a project is imploding, due to a lack of money and developers, largely due to an insider fraud, and word on IRC channels is that CentOS will be dead by the end of the year. Because all the developers bar about 3 people left the project, updates are slow to virtually non existent, and that CentOS hack around with the core RHEL code too much to call it a true standards compliant RHEL rebuild. Scientific Linux has the backing of major scientific institutions like CERN, plus a few other major petro-chemical companies. They do keep standards compliant RHEL apparently there are only about 6 extra packages, and the change of logos, that makes it Scientific. You can opt not to have the sciencey packages installed and you basically have RHEL for free. That's about the size of it. Rich On Apr 19, 2012 2:21 PM, "Martin Nix" <mar...@nixes.net> wrote: > That makes sense actually, thinking back I got my qualification on RHEL5 > (just before 6 came out) & that was all single DVD > > On 19 April 2012 14:12, Richard Forth <richard.fo...@gmail.com> wrote: > >> Personally, it's not mine either, but that was on 5. Looking at the >> CentOS 6 downloads I can see 2x dvd downloads. Decided to go with the SL >> recommendation this time. Seems alright. >> On Apr 19, 2012 12:27 PM, "Martin Nix" <mar...@nixes.net> wrote: >> >>> Not my experience of Centos I have to say - not sure where he got that >>> from, all the centos releases I've installed have been sub 1 DVD and not >>> bloated at all (unless you aren't particularly choosy about what you >>> include in the install selection) >>> >>> I prepared for my RHCE using a RHEL VM and Centos VM side by side and it >>> was totally sufficient (not saying that Scientific isn't BTW) >>> >>> Martin >>> >>> On 19 April 2012 10:38, Richard Forth <richard.fo...@gmail.com> wrote: >>> >>>> Instructor recommended it over CentOS apparently full CentOS is >>>> bloatware and is split over 2 DVD'S where as actual RHEL is less than 1 >>>> DVD. Scientific is closer to original RHEL 6.0, even tho both are rebuilds >>>> of RHEL 6 source. >>>> On Apr 19, 2012 9:07 AM, "COX Derek" <derek....@alstom.com> wrote: >>>> >>>>> Good luck with the exam. I did RHCT and RHCE a couple of years ago >>>>> and RHCE was tough >>>>> >>>>> One curiosity, why scientific rather than centos ? >>>>> >>>>> >>>>> >>>>> *From:* peterboro-boun...@mailman.lug.org.uk [mailto: >>>>> peterboro-boun...@mailman.lug.org.uk] *On Behalf Of *Richard Forth >>>>> *Sent:* 18 April 2012 23:33 >>>>> *To:* Peterborough LUG - No commercial posts >>>>> *Subject:* Re: [Peterboro] Kernel Panic in anaconda Scientific Linux >>>>> INSTALL [fixed] >>>>> >>>>> >>>>> >>>>> Ok, I have an "interesting" update on this. >>>>> >>>>> >>>>> >>>>> So the KP I reported below is NOT to do with the second core being >>>>> started, it just so happened that after I stopped the second core as per a >>>>> bugzilla report I read somewhere as I slowly went insane, the installer >>>>> decided randomly to complete. >>>>> >>>>> >>>>> >>>>> The next problem I encountered was copying a 3.9Gb file from usb to my >>>>> home area, basically my aim is to build a kvm hypervisor to practice for >>>>> my >>>>> RHCSA exam. This explains the 3.9Gb file, being the DVD image of SL6.0 to >>>>> be used for the vm kicks. >>>>> >>>>> >>>>> >>>>> about halfway through this file copy i got another kernel panic, >>>>> which, after a few attempts, actually corrupted the lvm volume forcing me >>>>> to rekick (again) that failed randomly numerous times so I decided just to >>>>> test, I'd rekick the box with Mint10 which I knew installed fine >>>>> previously, that kernel panicked as well....this is ODD...... >>>>> >>>>> >>>>> >>>>> THE MORAL OF THE STORY >>>>> >>>>> >>>>> >>>>> Remember what has physically changed (I installed new memory modules) >>>>> ....<< yeah i forgot that bit.. >>>>> >>>>> >>>>> >>>>> Took out the new modules, and mint booted fine, no problems, no kernel >>>>> panics. >>>>> >>>>> >>>>> >>>>> To test also that it wasnt hard drive related, I created a large file >>>>> with the follwoing command (dont run this) >>>>> >>>>> >>>>> >>>>> dd if=/dev/zero of=bigfile bs=1024 count=[replacethiswithverybignumber] >>>>> >>>>> >>>>> >>>>> I control-C'ed at nearly 9Gig so that was all good, deleted the file >>>>> "bigfile" >>>>> >>>>> >>>>> >>>>> after install I shutdown the computer, took out the old GOOD ram, and >>>>> replaced it with the new BAD ram, but remember I dont know this for sure >>>>> (yet) its just a theory. >>>>> >>>>> >>>>> >>>>> I booted into mint's grub menu, and found Memtest86+ >>>>> >>>>> >>>>> >>>>> I ran that and, so far, as of this writing, it has counted 5 million + >>>>> errors, every address has failed so far, no passes. Zero. >>>>> >>>>> >>>>> >>>>> That probably explains the kernel panics now. You wont believe how >>>>> many rekicks I've done over the last 48 hours on this damn thing, I swear >>>>> my hair line has receeded a further inch just since yesterday, >>>>> >>>>> >>>>> >>>>> So in conclusion, >>>>> >>>>> >>>>> >>>>> Was it actually the second core causing SL6 to blue screen? Probably >>>>> not. >>>>> >>>>> >>>>> >>>>> Should you always run Memtest86+ on new memory modules? YES always!! >>>>> >>>>> >>>>> >>>>> Should you beat a dead horse for 48 hours before realising is probably >>>>> is actually dead instead of doing something simple like check its pulse, >>>>> first? Absolutely >>>>> >>>>> >>>>> >>>>> Do I feel like a pratt? Definately. :) >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Lol, night folks, hope this was entertaining and informative. >>>>> >>>>> >>>>> >>>>> - Rich >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> On 18 April 2012 14:26, Richard Forth <richard.fo...@gmail.com> wrote: >>>>> >>>>> Hi, >>>>> >>>>> Just to warn everyone of an issue in RHEL 6.0 (Scientific Linux 6), >>>>> where mke2fs on lvm filesystem causes kernel panic, the solution was to >>>>> turn off one of the cores in bios in a Core2 duo machine. After this, >>>>> setup >>>>> finished with no errors, I was also able to turn on the second core after >>>>> the reboot when installation finished, with no errors. >>>>> >>>>> This may or may not be useful but worth putting out there. >>>>> >>>>> - Rich >>>>> >>>>> >>>>> >>>>> ------------------------------ >>>>> CONFIDENTIALITY : This e-mail and any attachments are confidential and >>>>> may be privileged. If you are not a named recipient, please notify the >>>>> sender immediately and do not disclose the contents to another person, use >>>>> it for any purpose or store or copy the information in any medium. >>>>> >>>>> _______________________________________________ >>>>> Peterboro mailing list >>>>> Peterboro@mailman.lug.org.uk >>>>> https://mailman.lug.org.uk/mailman/listinfo/peterboro >>>>> >>>> >>>> _______________________________________________ >>>> Peterboro mailing list >>>> Peterboro@mailman.lug.org.uk >>>> https://mailman.lug.org.uk/mailman/listinfo/peterboro >>>> >>> >>> >>> _______________________________________________ >>> Peterboro mailing list >>> Peterboro@mailman.lug.org.uk >>> https://mailman.lug.org.uk/mailman/listinfo/peterboro >>> >> >> _______________________________________________ >> Peterboro mailing list >> Peterboro@mailman.lug.org.uk >> https://mailman.lug.org.uk/mailman/listinfo/peterboro >> > > > _______________________________________________ > Peterboro mailing list > Peterboro@mailman.lug.org.uk > https://mailman.lug.org.uk/mailman/listinfo/peterboro >
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