Discuss December 2010

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278 participants
226 discussions

OT: programming language for morons (newbie friendly language in Open Source world)
by Sven Aluoor 15 Dec '10

15 Dec '10

Hi folks I have more than 12 years experience with UNIX system administration, but I am too stupid for programming. My only programming experience is shell scripting. I tried to learn Java, but don't understand it because it is too complicated for my limited brainpower. What programming language should I learn? A friend said that C-Sharp (Mono) is very simple. Is this true? cheers Sven

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Smart cards, mostly solved
by m.roth＠5-cent.us 15 Dec '10

15 Dec '10

So, it *seems* to be working, pretty much. I needed to install opensc, openct pcsc-lite, pcsc-lite-openct, and ctapi-common will be installed as a dependency. I *removed* coolkey and esc, which depended on it. 100% of the time, they misidentifed the new/current US federal ID PIV-II cards as coolkey cards, and popped up this "phone home" window, then a "manage smartcards" window. Without them, I also don't see an icon in the taskbar... but using ssh-add (actually, my manager built openssh, opensc and openct from current source, 5.4? 5.5?, and renamed stuff to piv-....), so I do piv-ssh-add -s opensc-pkcs11.so, and it adds the card. Before you do that... configure /etc/pam_pkcs11/pam_pkcs11.conf so that # Filename of the PKCS #11 module. The default value is "default" use_pkcs11_module = opensc; and you may have to decide on a mapper. Then restart pcscd, and you should be good to go. At any rate, no wrong/confusing windows, and logins work. I do note that if I try to use my regular password, I need to pull my card out of the reader. On a related note, from WinDoze, there's a version of putty that works <http://www.risacher.org/putty-cac/putty-cac-experimental/windows/?C=N;O=D>. Once installed, when you bring up the putty window, click on expand ssh, then click on pkcs. The one thing needed is the right dll, which, if you're running a 64 bit system, and using, say, ActivIdentity, c:\Program Files (x86)\ActivIdentity\ActivClient\acpkcs211.dll MAKE SURE you get the right .dll; if you're running 32 bit, it will be the other one. mark

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{SOLVED}Re: Yum Updates dependencies missing (rpmforge)
by Lanny Marcus 15 Dec '10

15 Dec '10

On Sun, Dec 5, 2010 at 8:43 AM, Lanny Marcus <lmmailinglists(a)gmail.com> wrote: > There are updates available, for the below multimedia packages (CentOS > 5.5, 32 bit), but I'm getting missing dependency errors from yum > update for these. <snip> >From the time the problem began, it had to do with Error: Missing Dependency: libx264.so.68 is needed by package cinelerra-2.1-0.15.20070108.el5.rf.i386 (installed) However, cinelerra was *never* one of the packages set to be updated. It always hung, on the Missing Dependency: libx264.so.68 for cinelerra I am not using cinelerra at this time, so I removed it this morning: cinelerra.i386 0:2.1-0.15.20070108.el5.rf After that, I was able to yum update the box, with no issues. There is probably a much more proper way to have gotten around this issue, but this box is fully updated again. Thanks to everyone who replied in this thread!

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Rsyslog weirdness
by Jussi Hirvi 15 Dec '10

15 Dec '10

I just noticed that on one CentOS 5 server the logs messages, maillog and a couple of others have been blank for a couple of weeks! I tracked down the error to /etc/sysconfig/rsyslogd There was a line SYSLOGD_OPTIONS="-c3" I googled that -c3 defines the "version" or "compatibility mode", and with 3 it means "rsyslog v3 native interface". When I removed the option and restarted rsyslogd, the logging began to work again. I wonder why is this. Probably this was caused by my recent system updates (yum update). - Jussi -- Jussi Hirvi * Green Spot Topeliuksenkatu 15 C * 00250 Helsinki * Finland Tel. +358 9 493 981 * Mobile +358 40 771 2098 (only sms) jussi.hirvi(a)greenspot.fi * http://www.greenspot.fi

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Re: [CentOS] Antwort: MegaRAID SAS 9280-24i4e -- Centos support.
by Lisandro Grullon 15 Dec '10

15 Dec '10

Thank you Nico, i think at this point Centos will be my next testing platform. Sounds good so far. >>> Nico Kadel-Garcia 12/14/10 7:36 PM >>> On Tue, Dec 14, 2010 at 11:34 AM, Brunner, Brian T. wrote: > CentOS == RedHat. > CentOS has every bug that RedHat has. > CentOS has every bug fix that RedHat has. > When RedHat rolls out a new version (e.g. RHEL6.0) there is a lag of a few > months rolling out the CentOS release of the same version; for bug fixes the > lag is a few days. No. It's not. CentOS lacks a number of the clustering features available to RHEL, which are burdened by non-open-source licenses or patents. RHEL is also investing considerable money in development, which is helpful to support, especially if you need bleeding edge drivers (as someone just needed here for a new SAS controller), and for which you'd have to hope Google has an answer or you find someone like, well, *me* to bundle you a new version nad fix it for you. CentOS is also much, much faster to update once the updates are published, and to use OS image building tools like "mock", because of the distributed source repository rather than the burdensome DRM involved in the RHN registration tools. CentOS also publishes kernels with NTFS and similar support that RHEL has been leery of. > So, the price of RedHat is money, the price for CentOS is patience. > The product sold by RedHat is support, the product 'sold by' CentOS is > self-support. > The relative value of the two arises from your ability to support your > systems. And to cover your ass. _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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how to install CentOS onto a USB flash drive from Windows?
by Rudi Ahlers 15 Dec '10

15 Dec '10

Hi all, Can anyone please point me to a link with instructions on how to install CentOS 5 onto a USB flash drive, preferably from Windows? I would like to create a full running CentOS installation (with minimal packages obviously) that runs off a USB flash drive, and I don't have a Linux machine to use for this installation right now. The best I could find is this one: http://www.pendrivelinux.com/usb-centos-5-live-install-via-windows/ but it seems this is just creating a Live CD on a USB drive, not plain CentOS. i.e. I want to install CentOS, setup users, install selected packages, etc. -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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Installing Centos 5.5 64 bit issues
by benedict dcunha 15 Dec '10

15 Dec '10

Dear All, We have a new SUN BLADE X6270 SERVER MODULES and i am trying to install centos 5.5 64 bit . the installations starts fine but when it reaches the point inialthe X server it says initialization done but then gives a fatal error and stops Appreciate if some one could help me and advice regards simon

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Issues with CentOS in enterprise
by Zdenek 15 Dec '10

15 Dec '10

Hello all. Does anybody have experience with pushing CentOS in enterprise? I have the following situation. I tried to promote CentOS to local bank. They have now a couple of Gentoo-based systems and I tried to explain them that CentOS is much better option for enterprises. IT department is interested in stability of the system, so they are ready to give CentOS a try. But the problem came from management and information security division. That guys look much affected by FUD created by M$. They tell the story like "you can not rely on this open source, it is built by just few community geeks, you never know what will happen if the developer will be hit by bus tomorrow" and so on. They especially refer to the last year FUD story published at ZDNet (http://goo.gl/y0LBi). So, IT guys are allowed to use open source only if they can prove that it has stable community and transparent development and build process they can reproduce on their own if necessary. I guess, I'm not the first who encounter this issue. Could you share your experience how to deal with it? Are there any public resources that can be used as proofs of CentOS stability? -- Zdenek

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Re: [CentOS] Antwort: MegaRAID SAS 9280-24i4e -- Centos support.
by Lisandro Grullon 15 Dec '10

15 Dec '10

Timo, Its interesting, I am presently attending a conference in NYC and in one of the tables I saw the redhat vendor. My first question to them was " What do you think about centos", they reply "You are using a distribution without support and that is prompt to failure..." I don't think this is an accurate statement is it? Anyway to make the story short, they keep telling how bad centos is for our datacenter and that I should consider adopting redhat which is more "robust", offers "virtualization" and nearly real-time support for its customers. I didn't go the extra mile to ask for pricing but would appreciate your input about what they said about centos. Lisandro >>> Timo Schoeler 12/14/10 9:44 AM >>> thus Lisandro Grullon spake: > Thank u timo, > I will test this further when I get home. I have been having nightmares getting this card working from an OS iso, it appears that the card is very new and the drivers have not been integrated into the distributions or kernel. The alternative is to load the driver via console using any of the modules supply by LSI. Thank you again Timo for your guidance. Lisandro You're welcome. Ah, and welcome to the world of proprietary drivers. This is something that the OpenBSD guys do right: They ignore them. ;) Timo > Sent on the Sprint® Now Network from my BlackBerry® > > -----Original Message----- > From: Timo Schoeler > Sender: centos-bounces(a)centos.org > Date: Tue, 14 Dec 2010 15:33:22 > To: CentOS mailing list > Reply-To: CentOS mailing list > Subject: Re: [CentOS] Antwort: MegaRAID SAS 9280-24i4e -- Centos support. > > thus Lisandro Grullon spake: >> Thank u andrea for the response, but unfortunately a floppy its not >> an option in my box. Can u guide me using a usb flash drive. Much >> appreciated. Lisandro > > Should work similar to writing to a FDD. > > Maybe you have to experiment if plugging the stick into the machine > *before* booting or when anaconda requests the driver disk works -- I > have seen machines behave differently in this regard. > > Timo > >> Sent on the Sprint® Now Network from my BlackBerry® > >> -----Original Message----- From: Andreas Reschke >> Sender: centos-bounces(a)centos.org >> Date: Tue, 14 Dec 2010 15:06:13 To: CentOS mailing >> list Reply-To: CentOS mailing list >> Subject: [CentOS] Antwort: MegaRAID SAS >> 9280-24i4e -- Centos support. _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] MegaRAID SAS 9280-24i4e -- Centos support.
by Lisandro Grullon 15 Dec '10

15 Dec '10

Yes, the entire install will be done from a box using this controller and 10 SATA HDDs. Probably will load a mirror from two disks partitions to have some fault tolerance them do the rest of my partitions using LVM. Just having a difficult time loading the LSi driver from the loading process. I wish this can be done from a USB stick since the machine does not have a floppy. >>> "Joseph L. Casale" 12/14/10 3:56 PM >>> >I am sorry but I didn't understood much of your comment, can you brake it down further step by step...I am doing baby steps in centos. Are you installing CentOS to boot off this controller, yes or no? _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Discuss December 2010