Re: [CentOS] IBM buying RedHat
On Sun, 28 Oct 2018 at 23:23, Valeri Galtsev wrote: > > 2. Does anybody still remember OS/2 which lost userbase to MS Windows for > workgroups, but IBM still supported it for quite long period of time. And > OS/2 was much better IMHO. > > As a long-time OS/2 user, I do remember, and damn what a miserable life that was. As soon as I had wound my BBS down (which was running on Maximus on OS/2), I had switched my home server around to Linux since I preferred it way way more. Using any new hardware, or a decent graphics card was a constant struggle and IBM wouldn't care much. Support as in life support is as good as none. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Backup PC or other solution
On 6 May 2015 at 22:49, J Martin Rushton martinrushto...@btinternet.com wrote: Don't dismiss Amanda it works well in a disk based setup. I don't bother with the spooling disk though. I back up to virtual tape slots on an external disk and rotate three external disks; two are in the firesafe at work, one is on top of my PC. I can say the same about Bacula, just spooling to virtual tape slots on external disks work just fine here, it has worked more than a decade w/o a hitch and I'm not changing it for the sake of having a change any time soon (originally was backing to an external SCSI tape using DDS2 media virtually using the same config files but rotating multi-TB external disks is cheaper easier). ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Random Disk I/O Tests
On 28 August 2014 19:22, Matt matt.mailingli...@gmail.com wrote: 750GB 2.5 SATA drives in hardware RAID6. I want to figure out which one has better random I/O performance to host a busy container. The IOZone is your friend. It can generate all sorts of I/O patterns and then create you some pretty graphs. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS Tshirt ideas
On 9 January 2014 23:07, Karanbir Singh mail-li...@karan.org wrote: hi, We have, like in the years past, a table at Fosdem and I'd like to get some tshirts printed to hand out. In the past, the Linux Ninja's and Beards ones got quite a bit of attention ( and both were not brand spammy, which is always nice ). Since I can't make to Fosdem and being an owner of the two Linux Ninja versions, I'd be delighted to see them on the online shop again :) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RHEL 6.4 == FC?
On 21 February 2013 22:31, Robert Moskowitz r...@htt-consult.com wrote: I have pretty much gotten use to Gnome 3 on my F17 notebooks. With the right extensions it actually kind of works. That can be said for Windows as well. Why use something that's broken to start with? -- Hakan (m1fcj) - http://www.hititgunesi.org What part of 'ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn' don't you understand? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Issue installing Centos server on Vmware Fusion/Server
On 28 October 2012 15:36, Madhurranjan Mohaan moha...@thoughtworks.com wrote: I've had issues over the last few days trying to create a Centos server image . I've tried with Vmware fusion and Vmware server and it skips directly to the default desktop install and doesn't give me the option to run the linux server. I am not sure if you've seen this earlier. I've tried with Centos 5.8 and 6.0 but the installer seems to work in that manner . When creating the VM, do not mark it as RHEL/CentOS, just create a standard VM and then install it via the ISO. VMWare Player and now-no-longer-supported Server etc. have some user-friendly features which assumes things which you don't need. Once the OS is installed, install the VMware tools separately. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] VLC Equivalent for CentOS 6.3 (SOLVED)
On 11 September 2012 00:39, Mark LaPierre marklap...@aol.com wrote: Linux users too often flaunt the law by using patented software illegally. By doing so we refuse to support those who invest their funds and blood to produce compatible software. Then we complain about companies not supporting Linux. I wonder who is at fault for that. ;-) Unless they are not breaking any law since the software patent is not recognized in their jurisdiction. The world does not end at the borders of USA. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Oracle tries to capture CentOS users
On 22 July 2012 20:02, Gordon Messmer yiny...@eburg.com wrote: On 07/20/2012 08:12 AM, m.r...@5-cent.us wrote: And I*love* the chart... never mind that RH changed the build structure to give Oracle pain, and it hurt us That change affects Oracle because they update and modify the kernel. Since it's not pristine + patches like other SRPMs, Oracle has a moving target and may need to manually fix each of the patches that they apply. As I understand, that's not exactly true. They have two kernels, UEK which is not even the same version as the upstream and the one that's identical to the upstream. They don't have to follow every single upstream patch and apply to theirs. I have the impression they have a completely separate bunch working on their own kernel modifications. I might be mistaken... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Oracle tries to capture CentOS users
On 20 July 2012 15:19, Chris xchris...@googlemail.com wrote: http://linux.oracle.com/switch/centos/ I found the update delay graph laughable. They're comparing themselves to a bunch of volunteers and then say we beat people work for free and for the love of it Right... IMHO, I'd rather go for RHEL if I'm paying. (Unfortunately I don't make that decision, customers do, disclaimer, $dayjob has OEL customers too). ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Request for CentOS stats
On 30 May 2012 22:00, Max Pyziur p...@brama.com wrote: Yes, lol ... lol on. I know enough about mailman that it's a cinch for the list administrator to get the headline number of subscribers. So, johnny at centos.org, z00dax at centos.org, ralph at centos.org, herrold at centos.org should be able to tell us. No? I trust the administrators of the centos.org mailing lists not to give out any information on my subscription(s) to anyone, even including a count of it. We run a couple of hundred or so CentOS VMs, increasing daily. Probably more, I've lost the count ages ago and no one else is counting. Why would anyone else care. It's not any of your business. -- Hakan (m1fcj) - http://www.hititgunesi.org What part of 'ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn' don't you understand? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Request for CentOS stats
On 30 May 2012 23:36, Bob Hoffman wrote: On 5/30/2012 5:50 PM, Hakan Koseoglu wrote: I trust the administrators of the centos.org mailing lists not to give out any information on my subscription(s) to anyone, even including a count of it. Actually, I would really like them to clean up our email addresses from the archives. Fair comment but I see a distinction between sending a mail out and exposing myself and a site administrator distributing that information w/o my knowledge unless I sign to an agreement with that provider. Obviously so far Centos.org admins have been good on that aspect. It's not only the emails that can be read by the web users really, any email replies tend to have email addresses splattered. Gmail just did for yours (and I deleted it). Anyway, now I'm definitely off-topic (even though the topic itself appears to be rubbish). ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] High load
On 25 April 2012 07:09, Kaushal Shriyan kaushalshri...@gmail.com wrote: Is there a way to nail down the issue of high load on a server basically trying to understand the reason behind high load at a specific time period. I use top command but it does not have history. Among many other solutions, my favourite is nmon with a reasonably aggressive data collection which can be turned into a pretty spreadsheet. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Promo Store is now open
On 20 February 2012 20:53, Karanbir Singh mail-li...@karan.org wrote: On 02/20/2012 07:09 PM, Karanbir Singh wrote: system is available at http://promo.centos.org/ I apologise for this - but the hosting company where this is located decided now would be a great time to suspend and cancel our account. Good thing I ordered mine first thing in the morning! Thanks Karanbir, I hope you guys manage to get some revenue via the donations. -- Hakan (m1fcj) - http://www.hititgunesi.org What part of 'ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn' don't you understand? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] bug submission justified for distribution of obsolete java software?
On 10 January 2012 13:04, e-letter inp...@gmail.com wrote: Readers, Would someone advise whether the distribution of an obsolete version of java should be reported as a bug; http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=827 Why is this a bug? The bug comments mention that the latest CentOS 6 has 1.10.4 which is supported by the Icedtea people. I quote from the comments: ---8 The newest version of IcedTea in CentOS6 (6.2) is 1.10.4: http://mirrors.kernel.org/centos/6.2/os/i386/Packages/java-1.6.0-openjdk-1.6.0.0-1.41.1.10.4.el6.i686.rpm ---8 Thus ypgrade your CentOS to the latest point release as a minimum as suggested in the issue you raised. Again from the issue raised, the following link is pretty enlightening: http://wiki.centos.org/FAQ/General#head-6e2c3746ec45ac3142917466760321e868f43c0e ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 5 January 2012 22:11, Pasi Kärkkäinen pa...@iki.fi wrote: http://en.community.dell.com/techcenter/b/techcenter/archive/2012/01/03/dell-engineering-preview-oracle-11gr2-rac-on-rhel6.aspx http://en.community.dell.com/techcenter/enterprise-solutions/w/oracle_solutions/3336.aspx And? First paragraph from the first link clearly states, I quote from it: DISCLAIMER: The following is Engineering Documentation provided by Dell and is a technology preview only. At this time the following configuration is not supported by Dell, Red Hat, or Oracle. The contents of this article should be only viewed as an engineering demonstration. What's the point? There is no justification for having RHEL/CentOS or even OEL6 and running a production Oracle instance on it. Months after RH's certification submission, Oracle still refuses to certify these platforms, even its own OEL6. If you are shelling out thousands, tens of thousands, hundreds of thousands (or millions according to a suggested architecture I reviewed today) for a customer, go and get a supported OS. If you have the time to tinker with it to get it working, excellent, I'm sure plenty of lessons learned - I had it running on single DB RHEL6 ages ago and it works fine. Will I suggest to a customer? No. Will I risk any development on it? No. Will I recommend it to anyone? No. I am running Oracle 11gR2 on my Kubuntu 11.10 work laptop and it runs fine but the same applies - no recommendation to a customer, no production instance, no test instance, no certification from Oracle hence no support expected from them. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 5 January 2012 22:47, Craig White craig.wh...@ttiltd.com wrote: seems to me that the sanity issue was forefront at the point before when they chose to use Oracle in the first place but Larry loves you. There are plenty of good reasons for using Oracle DB products - it's definitely one of the best out there - but I'm not sure I can say the same about the price tag. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 5 January 2012 22:26, John R Pierce pie...@hogranch.com wrote: this doesn't mean it won't work, but what it does mean is that if something goes sideways on you, oracle won't help you one bit, and since you pay a substantial chunk of money annually for that precious support, its insane NOT to use a supported platform. I guess it depends on their mood. In various cases we raised with them on behalf of the customers, they never said get lost after we replicated it on a CentOS 5 running on VMWare in house - in both cases they have rights to say get lost. In case of CentOS , as discussed endlessly, it is not certified. For any non-Oracle-owned virtualization solution they reserve the right to say replicate on physical hardware first. On the other hand, I can't recall a case we had which had a cause originating from the OS itself on Linux at least (AIX is a different story, there are a couple of those). On the other hand the first nasty one will be the one you will remember! All of our Linux customers use RHEL or OEL. When they ask about CentOS, I always explain the Oracle's stand and clearly state any CentOS instance would not be supported by Oracle even though we have almost all of our in-house development instances running on it and never had a problem that didn't also happen on a RHEL environment. Once they start calculating the support costs against risk, they realize that having a valid support agreement with Oracle and RHEL actually makes sense. After you count for the Oracle licencing costs, the RHEL support becomes peanuts and since it could invalidate Oracle support, you are actually not saving any money. When the instance is just a playpen, I definitely recommend CentOS. Still, none of this matters for v6, I think we will have to wait for Oracle 12c to come out to get OEL6 support, I am not sure about RHEL, at least w/o so-called Unbreakable Kernel malarkey. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
2012/1/5 An Yang an.eurof...@gmail.com: Greate! end vendor people said, Consequently, we confidently recommend the deployment of Oracle 11gR2 in Red Hat Enterprise Linux 6 production environments today. Your database support agreement is not with the end vendor but the database software supplier and as far as they are concerned, it is not certified and they are under no obligation to support you. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 2 January 2012 15:46, Johnny Hughes joh...@centos.org wrote: And my point is, right now Oracle can say that they have not certified their own OEL6 either ... therefore, one can not expect RHEL6 to be certified either. If they certify OEL6 for a version of Oracle Database, it would be difficult for them to tell Red Hat that they can not certify RHEL6 or that there are issues with that version of their Oracle Database. It is their software, I am sure they can certify against any arbitrary OS as they like. I don't believe they have any agreement with anyone for any future support. They have been de-supporting other platforms at will (well, no one is going to cry after loss of Titanic support, I am sure about that). Worse, they can say 'RHEL only with Unbreakable Kernel' which they have already started to state for various technologies (i.e., ASMLib). (Now I am way off topic here) It is obvious that their whole plan is to somehow get RedHat bankrupt so that they can buy it cheap. There's no other explanation about their OEL support policy prices.I admit all they to is within GPL therefore legal but just not nice. I don't have to like it. Unfortunately at work for various reason I am using more and more OEL than RHEL. More than once I had trouble with differences between OEL Ubreakable Kernel and std. upstream/Centos kernels. As far as I can see, pretty soon I cannot treat OEL as an identical platform (like CentOS) to upstream and expect things just work, ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 29 December 2011 12:30, mcclnx mcc mcc...@yahoo.com.tw wrote: Does anyone know CENTOS/Redhat 6.X compatible to ORACLE software (X86 and X86_64) version like 9.X, 10GR2, 11G and 11GR2. It is not. Any official document say that? See Metalink 1304727.1. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 29 December 2011 12:42, John Broome jbro...@gmail.com wrote: OEL6 is rebuilt RHEL6. CentOS 6 is rebuilt RHEL6. Funnily enough, OEL6 is excluded from the certified list of Linux distributions hence no, it is not a good idea to install it and then expect Oracle to support it even though RedHat has submitted it for certification in August 2011. It looks like Oracle has no incentive to get on with the certification. RHEL/OEL 6 has been out for ages now, the only obvious thing is merge with Sun must have given them an other OS to push instead of Oracle. Baffles me. 11.2 OS versions and minimum levels: Asianux 3 SP2 and higher Oracle Linux 4 Update 7 and higher Oracle Linux 5 Update 2 and higher Red Hat Enterprise 4 Update 7 and higher Red Hat Enterprise 5 Update 2 and higher SLES 10 SP2 and higher SLES 11 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 29 December 2011 19:01, John Broome jbro...@gmail.com wrote: So if oracle isn't certified to run on OEL 6, did oracle roll it out just for shits and giggles? coughsolariscough ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 6.X compatible to ORACLE DB verssion????
On 29 December 2011 19:31, m.r...@5-cent.us wrote: As I said, there are many, many more RHEL installations, and most of them will want to go to RHEL6 within the coming year. And, of course, some of those installations are LARGE$$$ customers of Oracle (for example, I have personal knowledge that ATT uses RHEL extensively). When they lean, Oracle will fall all over themselves, if only to make more money. I suspect we will see RHEL/OEL6 officially supported when they decide to release Oracle 12, since they have already released the new grid manager (12c for cloud, unfortunately not for Cthulhu, now that'd be really awesome!)... OEM 12c is certified for RHEL/OEL 6.1. It looks like 11g will not be ever certified. If anyone knows when DB 12c is expected... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] What CentOS means?
On 12 December 2011 11:36, LinuxIsOne reall...@hmamail.com wrote: I was thinking from where the word 'centos' came and what it means? How they choose this word? In Swahili it means don't ask questions before at least running a google query. http://en.wikipedia.org/wiki/CentOS ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] What CentOS means?
On 12 December 2011 11:42, LinuxIsOne reall...@hmamail.com wrote: On Mon, Dec 12, 2011 at 6:41 AM, Hakan Koseoglu ha...@koseoglu.org wrote: http://en.wikipedia.org/wiki/CentOS Oh I read this. And you missed the first paragraph where it is explained? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] When will 6.2 be released.
On 10/12/11 03:36, An Yang wrote: I think all the blocks were removed, and 6.2 will be released very soon. Unless it was parked on a hill backwards and now rolling down the hill! Congratulations to the CentOS team again! ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Upstream 6.2
On 6 December 2011 15:40, Eero Volotinen eero.voloti...@iki.fi wrote: 2011/12/6 Lamar Owen lo...@pari.edu: As much as I hate to be the bearer of news, I saw over 400 updates this morning on my upstream 6.1 box checking the upstream website, yeah, EL6.2 is out, at least for updates. I didn't see ISO's in my subscribed channel yet, though. access.redhat.com shows also rhel 6.2 images to my account at least. Also congratulations to the CentOS team with 6.1 ISO releases (I think I saw it on the twitter a couple of hours ago). Alas, neither are much use to me (grr Oracle, see Metalink, sorry, MySupport ID 1304727.1). Still stuck at 5. I'd have to ask what's the point of OEL6 then but that'd be OT. Thus I was quite happy when CentOS 5.7 came out! :) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] yum update fails / problem
2011/11/18 Götz Reinicke goetz.reini...@filmakademie.de: As we do have an educational subscription, there is no technicla support included. Thats why I'm asking a free list Try General Red Hat Linux discussion list redhat-l...@redhat.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS versus Scientific
On 14 November 2011 20:31, Alan McKay alan.mc...@gmail.com wrote: Hey folks, I was just reminded of the Scientific distro, which on the surface appears to be quite similar to CentOS even when the developers over there are rather coy about which Enterprise Linux distro they base theirs on. http://en.wikipedia.org/wiki/Scientific_Linux It is an other repackaging of the Upstream, with different goals in mind. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Running Apache sites as separate users
On 30 September 2011 02:22, Trey Dockendorf treyd...@gmail.com wrote: I had a recent request to improve security on my web servers by having each website use a different user to run the hosting service. So example1.comhas it's own Apache instance running as apache1 and then example2.com has its own instance of Apache as apache2. Is this even possible or realistic? I understand the idea of how that would be secure, Easily doable with an other instance of Apache acting as the proxy. This Apache can be yet an other can't do anything-style locked-down instance which only proxies virtual hosts to separate Apache instances. You can set up as many Apaches running on separate internal ports (i.e. 127.0.0.1:8881, 127.0.0.1:8882 etc). and then use proxypass to forward virtual servers. I use a similar setup at home where locked-down virtual machines run all by themselves and the front-facing Apache simply matches the VirtualHost name and passes it down. The only thing I can't do is using a separate certificate for HTTPS for every one of them. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] add on sata card relabeling drives, installation
On 29/09/11 22:19, m.r...@5-cent.us wrote: When I build, our PXEboot ks partitions and labels the partitions. When I add or replace, I make the partition, the fs, and e2label them. I've gotten to really appreciate labeling. I hate the UUIDs - they're ludicrously too long, and bear no relationship to what device they are, or where they go. Although I'm a fan of labelling, for some weird reason I had seriously weird issues with multipath SAN setups in the last couple of months. I'm on holiday at the moment so I can't the logs up but more than once, with multipath, labels have caused me too much headache than their worth. In one instance the label would latch to one of the individual paths, not the multipath and then all hell would break loose. Any suggestions on the list are much welcome. I haven't found a new good practice yet, UUIDs are pretty unwieldly and no one can expect to remember one whereas a label of database or redo1 or redo2 are just meaningful and can be parsed by a normal human! :) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] add on sata card relabeling drives, installation
Hi Les, On 29/09/11 22:25, Les Mikesell wrote: On Thu, Sep 29, 2011 at 4:19 PM,m.r...@5-cent.us wrote: When I build, our PXEboot ks partitions and labels the partitions. When I add or replace, I make the partition, the fs, and e2label them. I've gotten to really appreciate labeling. I hate the UUIDs - they're ludicrously too long, and bear no relationship to what device they are, or where they go. What happens when you move the disks around among machines? Or don't you ever do that after they contain data? Why would you move disks around machines unless you're recovering them after a failure? Then just make sure they don't exist on the recovery server. Maybe it's the way the machines I get involved are used, they're mostly database servers and their lifetime are measured in 3-5 years so once they're up and running, not a lot of people touches them. If a disk is being moved around, it gets decomissioned and wiped out first, not after. Also if you stick to more descriptive labels I think you'd be safe over the long run. Just don't call all of them data. :-) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Hello from RAQport Please remove this post
On 26 September 2011 11:02, John Hodrien j.h.hodr...@leeds.ac.uk wrote: I highly recommend raking up four year old poor feedback on your business, it's a surefire way to get ahead of your competition. Considering that they only managed to complain about this after four years shows an interesting take on speedy response to customers I wonder Maybe they really misunderstood Streisand effect? :) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Problems with Intel Ethernet and module e1000e
On 26 September 2011 13:54, Patrick Lists centos-l...@puzzled.xs4all.nl wrote: On 09/23/2011 12:54 PM, Volker Poplawski wrote: Hi all, I'm facing a serious problem with the e100e kernel module for Intel 82574L gigabit nics on Centos 6. I have also had problems with an Intel Gbit nic in a Dell Optiplex 760 using the e1000 module. If it would come up it would come up at 100Mbit speed. Only unplugging the LAN cable en reinserting it in the switch would sometimes result in the proper 1Gb speed. After replacing the 3Com Gbit switch with a DLink Gbit switch things started to work ok. The fact that once you had changed to an other switch it had started to work points the blame to the 3Com switch. Funnily enough, about 10 years ago I would get the same kind of issues with 3Com network cards and switches talking to each other (on 100Mbit!). Disabling the auto-handshake and forcing the link to a particular speed would fix the problem. Try forcing the link speed with ethtool or similar utilities. -- Hakan (m1fcj) - http://www.hititgunesi.org What part of 'ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn' don't you understand? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] mounting an ext3 filesystem -o ro
On 29 August 2011 15:18, Philippe Naudin philippe.nau...@supagro.inra.fr wrote: Hi, I want to do something *bad* : to mount an already mounted ext3 partition. Use a clustering file system (i.e., ocfs2) instead. This recovery is probably triggered by the file /.autofsck, but I have not found how to get rid of this feature. Is there a way to read an ext3 filesystem, completely disabling recovery and any write operation ? Mounting in ext2 will ignore the journalling but not recommended. In any case you won't be able to mount a dirty ext3 filesystem as ext2. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 5.5 mmap.c and mmap hints
On 15 May 2011 12:45, Frank Chang frank_chan...@hotmail.com wrote: In order to understand mmap better, we decided to try to find the Centos 5.5 source code for mmap.c. We already installed the kernel source You should be looking at glibc source code. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 5.5 mmap.c and mmap hints
On 15 May 2011 12:58, Hakan Koseoglu You should be looking at glibc source code. Scratch that, i'm talking rubbish ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] centos friends?
On 6 May 2011 00:04, Karanbir Singh mail-li...@karan.org wrote: One of the tasks on the table for this summer is to setup a mechanism to accept financial donations / contributions from people. If you want to contribute towards specific people's efforts - I am sure most of the guys have amazon wish lists etc in place. What about mercenary? Desperate to have a CentOS t-shirt here. :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] ssh in while in fsck
On 27/04/11 21:28, m.r...@5-cent.us wrote: Hmm, now *that's* an interesting thought: with, say, DRAC, could you ssh into a management server, then go to a booting system? It is usually web (and Java) based, running on a different IP address through the DRAC/ILO port. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How to limit ftp users to just view their directory
On 25 March 2011 19:09, Todd Cary t...@aristesoftware.com wrote: I am in the process of bring up Centos 5.5. My ftp server is vsftp. When I add a user (e.g. brian), the brian directory is owned by brian and is in the brian group with 700 permissions. However, using a FTP client, the user brian can view all of the directories. I do not see any directive in vsftpd.conf to limit this. What have I missed? You missed the chroot options. chroot_local_user should be set to yes. If you want only certain users to be chrooted, then use chroot_list_enable and add the users to the list file. What this file does changes depending on the value of the chroot_local_user so please read the manual for the exact explanation. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CUPS / printer problems
Hi Timothy, The following steps were nicked from the upstream's knowledge base DOC-41012: On 25 February 2011 09:08, Timothy Kesten centos-...@gmx.de wrote: BTW: How can I install a new hplib (3.10) . Found some rpms but installation results in dependencies errors Note : Test the steps in non-production environment first. 1. The hplip, hpijs-1.6.7-4.1.el5 and libsane-hpaio-1.6.7-4.1.el5 will throw the conflict error. If you don't have following devices you may remove these packages. The hpijs is a collection of optimized drivers for HP printers. hpijs supports the DeskJet 350C, 600C, 600C Photo, 630C, Apollo 2000, Apollo 2100, Apollo 2560, DeskJet 800C, DeskJet 825, DeskJet 900, PhotoSmart, DeskJet 990C, and PhotoSmart 100 series. The libsane-hpaio has SANE driver for scanners in HP's multi-function devices (from HPOJ). If you don't have any other devices from list please remove these packages to install hplip. # rpm -e --nodeps hplip # rpm -e --nodeps hpijs # rpm -e --nodeps libsane-hpaio 2. Install the following package from RHN to satisfy dependencies for hiplip-3.10.6_rhel-5.0 : # yum install net-snmp-libs # yum install sane-backends-libs 3. Install the latest hplip package. # rpm -ivh hplip-3.10.6_rhel-5.0.x86_64.rpm -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] cloning a server
Hi Paul, On 20 January 2011 20:47, PA ra...@meganet.net wrote: Hi, I have a centos 5 (current) mail server that I have compiled dovecot/postfix and installed some packages like mysql etc. These packages have been configured and changed to my liking. How can I now save all this and install it on another server without having to do all the work of compiling installing and configuring the same applications. Is it possible to burn this server image into multiple DVD’s make it bootable and then install on another server. We use Mondo for cold-iron recoveries cloning. It works for us. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] not able to check in all code into svn which creates problem in deployment
On 19 January 2011 06:09, Agnello George agnello.dso...@gmail.com wrote: is there a way i can verify or write a script to check each file that is in the SVN is same as that in the dev environment . find . -type f | grep -v .svn | xargs md5sum then diff the output from each server. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] not able to check in all code into svn which creates problem in deployment
On 19 January 2011 06:09, Agnello George agnello.dso...@gmail.com wrote: is there a way i can verify or write a script to check each file that is in the SVN is same as that in the dev environment . find . -type f | grep -v .svn | xargs md5sum Obviously the above will compare the export vs. your dev env. The SVN will always have the correct version, otherwise you have a much serious problem than you think you have. Check the export branch and the dev branch, I wonder if you are working against the same branch. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Troubles for an non-IT beginner
Parshwa, On 16 January 2011 20:45, Parshwa Murdia b330...@gmail.com wrote: Another option, if you are concerned about the short life cycle of Fedora, would be to look at Ubuntu 10.04 LTS. The 'LTS' means Long Term Support and will be supported for a fairly long time. 10.04 was released last April, so it will be quite up to date. Okay, as seem Ubuntu is supposed to have a longer life. Ubuntu LTS has a 3 year life cycle overall for desktops, 5 year for servers. Okay, but my meaning to say was that it has an end of life every six months. Ubuntu and Fedora have a new release approx every 6 months but their end of life is 18 months. (https://wiki.ubuntu.com/LTS and http://fedoraproject.org/wiki/LifeCycle#End_of_Life_.28EOL.29) I personally would recommend Ubuntu LTS for family members. CentOS is geared for technical people. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Cloud demographics
On 21 December 2010 16:32, Rob Del Vecchio rob.delvecc...@gmail.com wrote: http://thecloudmarket.com/stats#/by_platform_definition snip Not sure I understand it... esp. since it lists linux as less than ubuntu, and more than CentOS I'm guessing linux is an average of all of the flavors there so you can compare linux with something like windows. Surely that should have been total instead of average to do any comparisons. I guess it's any installation that's the total of customized enough or marked as other distributions. I guess if Google's stats were available, their servers would come up as Linux kernel-running machines but not any known distribution. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?
On 24 November 2010 11:57, Scott Robbins scot...@nyc.rr.com wrote: Well, it's pretty similar. I'm not sure if I messed up the installation It's almost identical. Oracle kernel parameters dependencies can be automatically installed during installation albeit later on Oracle RDBMS installation gives you warnings since it doesn't like the default values in /etc/sysctl.conf as populated by OEL. The rest? Almost completely identical to upstream. I didn't find a samba package, but as this was for one oracle developer to transfer files, we just used winscp. (I also didn't look hard for a samba package, at present, this is just a test.) Are you sure? [r...@fubar ~]# rpm -qf /usr/sbin/smbd samba-3.0.33-3.7.el5 Disk naming seems slightly different--we went with more standard partitions rather than LVM, and rather than /dev/sda and so on, it was /dev---arrgh, I'm not at work, and my mind just went blank--errm, xda and xdb? At any rate, it will be fairly obvious. Nope, all comes as sda/sdb etc. if you don't use LVM unless your external storage is funky. assume (but note, that's an assumption, not knowledge), one could call and ask things like, Where can I find samba? Erm, maybe one of these should contain it? (It is pretty visible during the installation). [r...@hobbit Oracle Unbreakable Linux]# mount -o loop -t iso9660 Enterprise-R5-U5-Server-x86_64-dvd.iso /mnt/mnt1 [r...@hobbit Oracle Unbreakable Linux]# cd /mnt/mnt1 [r...@hobbit Oracle Unbreakable Linux]# find /mnt/mnt1 -iname samba* /mnt/mnt1/Server/samba-3.0.33-3.28.el5.x86_64.rpm /mnt/mnt1/Server/samba-client-3.0.33-3.28.el5.x86_64.rpm /mnt/mnt1/Server/samba-common-3.0.33-3.28.el5.i386.rpm /mnt/mnt1/Server/samba-common-3.0.33-3.28.el5.x86_64.rpm /mnt/mnt1/Server/samba-swat-3.0.33-3.28.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-client-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-common-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-doc-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-domainjoin-gui-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-swat-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-winbind-3.3.8-0.51.el5.i386.rpm /mnt/mnt1/Server/samba3x-winbind-devel-3.3.8-0.51.el5.i386.rpm /mnt/mnt1/Server/samba3x-winbind-devel-3.3.8-0.51.el5.x86_64.rpm /mnt/mnt1/Server/samba3x-winbind-3.3.8-0.51.el5.x86_64.rpm (Samba client and samba common was available, but no smbd. Again, I did NO googling on this, just did yum provides */smbd, got no results, and then used WinSCP.) It appears you didn't even look for it. :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] slow network throughput, how to improve?
On 24 November 2010 08:51, Rudi Ahlers r...@softdux.com wrote: Yes, I used scp as a quick simple test. What would give me better performance though? netcat, ftp. Anything that has low overhead (unlike encryption on a single thread) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] best way to start and shutdown programs in CentOS?
On 24 November 2010 14:20, killscript killscr...@gmail.com wrote: Les Mikesell wrote: The RedHat/Centos way of doing things is to have init scripts in /etc/rc.d/init.d that take at least start, stop, and restart as arguments for each program that should start automatically. Then for the runlevels where you want them to start you have a symlink where the name starts with S and the rest is a number to make it sort alphabetically into the order that things should start in /etc/rc?.d (where the ? is the runlevel). Likewise add links starting with 'K' in the levels where the process should be stopped. There is a convention for comments in the scripts so that 'checkconfig program on' can make the links for you. Look through some of the other scripts to see how they work. Sorry for the stupid question here, but does the /etc/initd./scriptname file know about these symlinks because of a particular comment in there? Copied from the man file for chkconfig: RUNLEVEL FILES Each service which should be manageable by chkconfig needs two or more commented lines added to its init.d script. The first line tells chkconfig what runlevels the service should be started in by default, as well as the start and stop priority levels. If the service should not, by default, be started in any runlevels, a - should be used in place of the runlevels list. The sec- ond line contains a description for the service, and may be extended across multiple lines with backslash continuation. For example, random.init has these three lines: # chkconfig: 2345 20 80 # description: Saves and restores system entropy pool for \ # higher quality random number generation. This says that the random script should be started in levels 2, 3, 4, and 5, that its start priority should be 20, and that its stop priority should be 80. You should be able to figure out what the description says; the \ causes the line to be continued. The extra space in front of the line is ignored. Basically, create your file by taking one of the files as a sample and place it in /etc/init.d. For example, I've copied /etc/init.d/vncserver to /etc/init.d/sample and ran [r...@hakan init.d]# chkconfig --add sample [r...@hakan init.d]# chkconfig --list|grep sample sample 0:off 1:off 2:off 3:off 4:off 5:off 6:off Now my sample is there but won't run at all but it's all there. [r...@hakan init.d]# chkconfig sample on [r...@hakan init.d]# chkconfig --list|grep sample sample 0:off 1:off 2:on3:on4:on5:on6:off Now it's on for all of the levels in the comment included in the file. Nevertheless, I could have overriden that with the ckconfig --level levels name on command options to run on other levels. [r...@hakan etc]# find rc* -iname *sample*|sort rc.d/init.d/sample rc.d/rc0.d/K35sample rc.d/rc1.d/K35sample rc.d/rc2.d/S91sample rc.d/rc3.d/S91sample rc.d/rc4.d/S91sample rc.d/rc5.d/S91sample rc.d/rc6.d/K35sample and the file comment looks like below which matches the above, startup priority is 91, kill priority is 35. It will run on all normal levels since it's not defined, excluding 1 (single user), 0 (shutdown) and 6 (reboot). # chkconfig: - 91 35 I better remove this sample from my startup :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?
On 24 November 2010 15:13, Scott Robbins scot...@nyc.rr.com wrote: Nope, all comes as sda/sdb etc. if you don't use LVM unless your external storage is funky. Hrrm. Ok, this is installation on a VMware esx server, using, when asked to choose guest, an oracle machine. Devices are xvda and xvdb. Aaah, that's interesting. I've done it on an ESX 4.x server but got none of those. On the other hand, I didn't say it was an Oracle machine, just a RHEL one (didn't found it necessary to distinguish one from other, we tend to deploy CentOS on our ESX server for test/dev environments but we have a couple of RHEL and OEL ones as well. That's worth trying again. :) Along with, I'm sure, the OP, I want to thank you for this post, it makes me realize that if we definitely do this for real, there are obviously some things I missed. OEL is a funny one. The only reason it exists is to destroy the upstream. They're completely unlike CentOS in mentality. Their main reason of existence is cutting RHEL from support revenue. Our PHBs decided to use OEL for customers since we're an Oracle shop at work so getting all licences support from a single source makes accounting easier. In any case, after a typical Oracle Enterprise licence calculation RHEL or OEL seems like peanuts. What worries me is with OEL eating the support revenue from RHEL and simultaneously being dependent on RHEL for upstream dev patches, it's not a long-term viable situation, it's not even a partnership. There are other little things why we would go for OEL, one being the OCFS2 when we do shared-storage clusters. Reading the small pring gives you the impression that Oracle won't support OCFS2 unless it's OEL. I'm not sure that's true but hey, that's what's been decided at work. As I mentioned, the other funny thing is if you choose Oracle-validated package, it stuffs your sysconf.ctl with values. Then try installing Oracle 11g (R1 or R2) on it, the installer barfs up warnings about various kernel parameters being wrong. There's a public yum repo but as Alexander has mentioned, not much of a use. I'm not a big fan of OEL. I'd rather use upstream with paying customers and CentOS internally. Unfortunately this decision is out of my hands. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New list ?
On 24 November 2010 16:42, Mathieu Baudier mbaud...@argeo.org wrote: My personal opinion is that it's not a big deal. As with other mailing lists, stuff I'm not interested in I simply ignore. +1 +1, this is not a high volume list, we can just ignore threads we're not interested by skipping them. :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] New list ?
On 24 November 2010 17:06, Karanbir Singh mail-li...@karan.org wrote: On 11/24/2010 05:04 PM, Hakan Koseoglu wrote: Are you saying that having focus and topic specific lists are not something you agree with ? Because thats what it sounds like! OK, instead of quoting other people: I think for a list with such a low volume (comparable to some other Linux-related mailing lists), having separate mailing lists (apart from announcements) is not necessary. In higher volume and lower SNR lists (can you hear me ubuntu-users mailing list! Oh no, you can't because I've unsub'd a while ago, thx to the SNR of zero. No signal, all noise), that's positively beneficial. OTOH, it's only my take on it and I'm nothing but a user of mailing lists. In the end if there are more than one list, I'll end up subscribing the lot so not a lot will change in my mailbox! :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????
On 25 November 2010 00:23, mcclnx mcc mcc...@yahoo.com.tw wrote: We can NOT use X86_64 due to application NOT support 64 bits. Unless you can't use virtualisation, you can run any 32 bit app on 64 bit platform provided that you have the 32 bit dependencies installed. The other way around is not possible. if you are compiling it from source, 32 bit and 64 bit libraries install in separate directories and thus you can point to the correct path in any configure script. I regularly compile Apache PHP for 32 bit on CentOS, thanks to 32 bit binary modules only available on that platform. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Addressing outgoing connections to a specific interface
On 8 November 2010 09:34, Dotan Cohen dotanco...@gmail.com wrote: Both those conditions are met in this use case, however the machine in question is on two networks: |--Network1--|--Network2--| A C B A: router on the wireless network B: router on the wired network C: CentOS laptop Dotan, CentOS, Ubuntu or Windows, it does not matter. You cannot access both networks at the same time unless you bridge them and even then you can only have the machines with unique addresses. You did say that you're not interested in one of the networks when accessing the other one. Simply pull down your wifi network (ifconfig wlan down), delete the arp entry (see arp -d), and then try accessing the 2nd IP again. This is how TCP/IP works, it's composed of networks and within a network you can only have a machine with a unique IP address. NAT hides the 2nd network and you can set up forward rules to access behind the NAT. That's why we have been mentioning NAT. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Addressing outgoing connections to a specific interface
Dotan, On 6 November 2010 13:04, Dotan Cohen dotanco...@gmail.com wrote: Although I need to stay connected to the wireless router, can I still access the address 192.168.0.1 on the wired interface? Some googling led me to the keyword loopback but I am at a loss as how to configure it, or if this is even the right idea. If there is a specific page that I should be reading in the fine manual then please do RTFM me, as I myself failed to find the proper page. I think I need to drink more coffee because I'm failing to understand what you're trying to achieve. If wlan and eth0 are connected to the same network with different IPs and you want to use the eth0's IP address on wlan0 when eth0 is not connected, you use ifconfig with wlan0:1 notation to assign eth0's IP to wlan0:1. If you want to access from your LAN network to your WiFi network, you need to set up one of the following, a) a bridge (assuming you want to join your WLAN and LAN networks) b) a masquerading setup c) plain old routing between two networks All of them should work but behave slightly differently. Bridge is useful when you want to join two networks, masquerade is OK if you don't want to access from WiFi network to your LAN network, otherwise you will have to set up port forwardings, if you chose to route in between, then your WiFi router need to be aware of your LAN and have your laptop in between as a gateway to route the correct packages. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Addressing outgoing connections to a specific interface
On 6 November 2010 13:04, Dotan Cohen dotanco...@gmail.com wrote: Although I need to stay connected to the wireless router, can I still access the address 192.168.0.1 on the wired interface? Some googling led me to the keyword loopback but I am at a loss as how to configure it, or if this is even the right idea. If there is a specific page that I should be reading in the fine manual then please do RTFM me, as I myself failed to find the proper page. (re-reading what you wrote) I think I now get it. You want to use both network cards at the same time. Yes, it's doable. The easiest method would be bonding. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Addressing outgoing connections to a specific interface
On 6 November 2010 14:13, Dotan Cohen dotanco...@gmail.com wrote: To be more specific: I am connected to the internet via wlan0. When I type 192.168.0.1 into my web browser, I get the web control panel of the Linksys router that manages that wireless network. However, at the moment I need to access the web control panel of the D-Link router that manages my eth0 LAN, also on 192.168.0.1 but on the eth0 interface. How can this be done? OK, I got it wrong earlier. Not possible without breaking your WLan network. It's much easier to move the D-Link router to 192.168.0.2 or something else, in most cases it doesn't matter where the router sits. Better, move one of them to an other private network subnet (192.168.1.0/24 maybe?) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] how to do repetetive command in shell
On 21 October 2010 19:45, Roland RoLaNd r_o_l_a_...@hotmail.com wrote: i'm writing a certain script which does a specific task in a repetitive manner, i'm going to give a similar script with the same concept hope you could advise me to a better way: Good old Advanced Bash Scripting Guide comes to help! http://tldp.org/LDP/abs/html/loops.html -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] In the press, once again
On 24 September 2010 14:23, Timo Schoeler timo.schoe...@riscworks.net wrote: Windows admins use a virtualized CentOS machine to copy files because their own tools are not able to handle copying a bigger amount of data. :) Although I read the article with some amusement, I have to wonder what's wrong with rsync (has a Windows port, albeit somewhat slow with Cygwin implementation). His fallback is using cp which I found utterly incomprehensible. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] In the press, once again
On 24 September 2010 18:04, Brunner, Brian T. bbrun...@gai-tronics.com wrote: No Windows functionalities are lost by installing Cygwin. Cygwin has the SAME uninstall that Windows does: install CentOS. cwrsync comes with an uninstallable package and works OK, makes copying loads of files across Windows boxen bearable. The commercial alternatives to Cygwin are not very good either. When I raised a ticket with one of them because a simple call to a binary inside a shell was so incredibly slow they told me that they were twice as fast as their main competitor, Cygwin. When I mentioned to them the same script runs literally hundred times faster on CentOS and that's the real competition, they shut up. I have to admit I always thought the reason I preferred resorting to cwcygwin when such problems knocked on my own door was my own lack of knowledge on some uberuseful tool in Windows but it appears that's not the case, as an out of the box scriptable platform, it is still as pathetic as it was 10-15 years ago (even probably worse since in Win3.1 I could record macros for the GUI). -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Anyone Having Any Luck Downloaing the DVD ISO?
On 05/09/10 23:01, Chuck wrote: Anyone have any ideas where else to get this or any suggestions? What about Mirrorservice.org Rsync? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] how to install oracle on centos 5.3
Ganu, On 29 August 2010 12:03, ganu MailList ganu4maill...@gmail.com wrote: I try to set the kernel parameters but fails. We have gone over this before. Did you follow the documentation in Oracle's web site? What error do you get and while doing what? -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] how to install oracle on centos 5.3
Ganu, On 29 August 2010 14:52, ganu MailList ganu4maill...@gmail.com wrote: I donot know how to set kernel.shmmax= kernel.shmmni= kernel.shmall= kernel.sem= fs.file-max= I am absolutely sure you are not reading our messages and following the instructions supplied: http://download.oracle.com/docs/cd/B19306_01/install.102/b15660/pre_install.htm#sthref264 See the above link, which explains what to set, how to set and where the sysctl.conf is, how to edit... Surely you know how to use vi or emacs? Do you want to come over and install Oracle for you? My hourly rates are reasonable! Or just read the fine document. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [OT] Label Printer Recommendations
On 28 August 2010 12:52, Colin Coles co...@wemoto.com wrote: I am after any recommendations or experiences using Label printers to print barcodes with CentOS, we currently using Star TSP700's but they're not clear enough for the scanners we have. There seems to be plenty of choice but not much Linux support going on, 'Never had anyone ask for Linux drivers before..' seems to be the most common answer when trying to buy. I have also tried a Brother P-Touch QL-550 but can't seem to get that to print at all using the Foomatic drivers available online. Zebra printers work for us but we generate ZPL output ourselves and a raw queue is good enough for our purposes. I have to say the CUPS in CentOS5/Upstream is not very good at printing to Zebra printers using ZPL. More upto date CUPS does a better job, I had more success with latest SLES and Ubuntu compared to CentOS/upstream. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] PAE Kernel
Matt, On 27 August 2010 16:26, Matt lm7...@gmail.com wrote: I have a box running CentOS 5.x 32 bit. I noticed these kernels are installed. [r...@ns1 log]# rpm -qa |grep kern |sort kernel-2.6.18-194.11.1.el5 kernel-2.6.18-194.3.1.el5 kernel-2.6.18-194.8.1.el5 These are stock kernel. If you had these, you'd have PAE kernels: kernel-PAE.i686 : The Linux kernel compiled for PAE capable machines. kernel-PAE-devel.i686 : Development package for building kernel modules to match the PAE kernel. kernel-PAE-devel-2.6.18-194.11.1.el5 kernel-PAE-devel-2.6.18-194.3.1.el5 kernel-PAE-devel-2.6.18-194.8.1.el5 These are just headers and shouldn't do any harm. Name : kernel-PAE-devel Arch : i686 Version: 2.6.18 Release: 194.11.1.el5 Size : 5.4 M Repo : updates Summary: Development package for building kernel modules to match the PAE kernel. URL: http://www.kernel.org/ License: GPLv2 Description: This package provides kernel headers and makefiles sufficient to build modules : against the PAE kernel package. And this is the PAE kernel info (all from yum info) Name : kernel-PAE Arch : i686 Version: 2.6.18 Release: 194.11.1.el5 Size : 17 M Repo : updates Summary: The Linux kernel compiled for PAE capable machines. URL: http://www.kernel.org/ License: GPLv2 Description: This package includes a version of the Linux kernel with support for up to : 16GB of high memory. It requires a CPU with Physical Address Extensions (PAE). : The non-PAE kernel can only address up to 4GB of memory. : Install the kernel-PAE package if your machine has more than 4GB of memory. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Updates offered annoyance
Robert, On 25 August 2010 14:24, Robert Heller hel...@deepsoft.com wrote: The main problem is that yum is NOT well written to deal with a slow and *unreliable* dial-up interface -- it in fact behaves extremly Grab a copy of a repository at work, copy it home and set up a local repository. Yum will be perfectly happy with the setup. Sample to rsync to mirrorservice.org: export RSYNCCMD=rsync -avP --delete $RSYNCCMD rsync://rsync.mirrorservice.org/sites/mirror.centos.org/5.5/updates/x86_64/ /storage/centos/5.5/updates/x86_64/ $RSYNCCMD rsync://rsync.mirrorservice.org/sites/mirror.centos.org/5.5/updates/i386/ /storage/centos/5.5/updates/i386/ -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Downgrade libgcc gcc packages (is there a clean way)
On 9 August 2010 19:06, Dan Burkland dburk...@nmdp.org wrote: I have been tasked with fixing one of our CentOS boxes by somehow downgrading the libgcc and gcc packages to a specific version (Required by the Oracle Grid Control client). Normally I'd just remove and reinstall the packages however removing libgcc is no fun as I found out the hard way it breaks pretty much every package including rpm yum. Is there an elegant way to downgrade the currently installed libgcc gcc packages? Which specific version? Can't you You get away with the compat packages? The rest should be compatible. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Downgrade libgcc gcc packages (is there a clean way)
On 9 August 2010 19:24, Dan Burkland dburk...@nmdp.org wrote: Machine is running 5.3 and somehow both packages got updated to libgcc-4.1.2-48.el5 when they need to be libgcc-4.1.2-44.el5. The DBAs here perform the Oracle Grid Control client install however they said it will not install it if detects an incorrect package version. Interesting. I admit that I haven't done a Grid Control Client installation Oracle DB 11gR2 requires libgcc-4.1.2 but no limit to the package version. It should install w/o a fuss unless your DBAs are fussy. It will not install if the package is missing or if it is not 4.1.2. (see http://download.oracle.com/docs/cd/E11882_01/install.112/e10812/prelinux.htm#BABFDJJF , especially the bit saying The following packages (or later versions) must be installed. This link is for Oracle 11gR2 Grid Infrastucture/RAC but the DB installation document has the same wording. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Downgrade libgcc gcc packages (is there a clean way)
On 9 August 2010 19:31, Alan Hodgson ahodg...@simkin.ca wrote: Sounds like a seriously broken installer, though. The versions will constantly change through regular maintenance updates. I concur. I have a suspicion that the problem is not the installer but the DBAs doing the installation. For some reason most of the DBAs I know tend to be somewhat anal retentive. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Remote nautilus, X display forwarding problem
Dotan, Do not do these steps: On 6 August 2010 09:24, Dotan Cohen dotanco...@gmail.com wrote: [u...@centos-55-32-minimal ~]$ export DISPLAY=localhost:0.0 [u...@centos-55-32-minimal ~]$ nautilus --display=0:0 cannot open display: 0:0 When you connect with sssh -X, it will create the tunnel and assign a DISPLAY variable. ha...@hakan-laptop:10:29:51:~$ ssh -X hobbit Last login: Thu Aug 5 09:45:59 2010 from 10.15.1.99 more cowbells! _ / It is impossible to defend perfectly\ | against the attack of those who want to | \ die./ - \ ^__^ \ (oo)\___ (__)\ )\/\ ||w | || || [ha...@hobbit ~]$ echo $DISPLAY localhost:10.0 and then you can run Nautilus w/o a problem, with no options necessary. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Enabling X on headless server via network
On 25 July 2010 16:15, Dotan Cohen dotanco...@gmail.com wrote: experiments. Should I post the logfiles? Note that my goal is to start X, then ssh in and run Firefox remotely from a Fedora desktop. The server itself has no monitor. I'm not sure what you are trying to do. Using VNC server or ssh with X11 tunneling (-X or -Y) would make more sense. You don't need X itself running for either of these. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Enabling X on headless server via network
Dotan, On 25 July 2010 16:32, Dotan Cohen dotanco...@gmail.com wrote: However, when I do this I get no response (no firefox window opens, no terminal output), even after several minutes. I figured that was because X is not running. That's not the reason. You don't run X on the server for such purposes. You already run it on your own PC. In such cases the server runs on your PC, the client is the app you are running. I know it sounds backward but that's the case. Are you sure you have enough bandwidth? Try running something simple like xterm. Also X11 forwarding might have been turned off in sshd_config. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] To PAE or not to PAE...
JD, On 22/07/10 10:25, John Doe wrote: I was wondering if anyone would know the cons of running a PAE kernel...? I have a 4GB pc and was wondering if it was worth going the PAE way to gain those exta 700MB... You should use 64 bit if possible but if you're seeing 3.2GB, it's more likely that your motherboard is not capable (I have one of those here right now). In the past, I heard that these 700MB were normally reserved for bios or chipset stuff... It still is, even with with 64 bit. If your motherboard supports remapping this memory with 64 bit you can use the whole 4GB. Otherwise you're limited to 3.2: ha...@photon:~$ free -m total used free sharedbuffers cached Mem: 3262 1972 1290 0103737 -/+ buffers/cache: 1131 2131 Swap: 7812308 7504 ha...@photon:~$ arch x86_64 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] To PAE or not to PAE...
On 22/07/10 18:07, Warren Young wrote: Very few programs can use PAE to get at that extra RAM. Can the programs you run do this? With PAE you can utilize all of the extra RAM but each individual program will be limited to 3GB user space, you can fit a more of them into 16GB, still using 32 bit. You won't need additional coding to do that. Using more than 3-4GB per process will require such fiddlings. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] To PAE or not to PAE...
On 22/07/10 22:33, ken wrote: Is the 737M cached (in the output above) what is reserved for bios or chipset...? and what is gained back through remapping? Nope, it simply means even if I had 2GB RAM, there'd be plenty I'm not using for anything but cache - I don't do much on this laptop but browsing these days :) What we are suffering from is explained neatly here: http://en.wikipedia.org/wiki/PCI_hole Simply put, if the BIOS+chipset does not support mapping these reserved areas to higher addresses this memory is lost to us. My Dell Inspiron 9400 is about 3+ years old now. More recent hardware have the necessary bits and pieces so that you can see all 4GB and use it with 64 bit or 32 bit + PAE. Server chipsets had this kind of support even earlier. Unfortunately for mine, Dell decided to only support 3GB. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] To PAE or not to PAE...
Hi John, On 22/07/10 19:56, JohnS wrote: Try about 69Gbytes What are you fiddling with? limits.conf? I think you read my mail too quickly and wrote a reply in similar speed. :) So did I read the original post too quickly and didn't realise he was complaining about the memory hole... You're right to say PAE goes to 64GB although in the past various distros had kernels compiled for different max addresses for various reasons. 4GB address space still applies to 32 bit apps. To use more than 4GB tricks as such (http://www.puschitz.com/TuningLinuxForOracle.shtml#ConfiguringVeryLargeMemory) need to be used. :) I haven't had to use these kinds of tricks for years since every machine I encounter has 64 bits and Oracle runs nicely on them perfectly happily. I miss reading through Puschitz's tips tricks. Lately all Oracle versions run pretty much out of the box on CentOS/Upstream. No sense of satisfaction from seeing it running after battling with it for hours. :) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] is it safe to resize root, on an LVM system, online?
On 12 July 2010 11:12, Rudi Ahlers r...@softdux.com wrote: One of our servers has a too small root partition on LVM and needs to be resized. Can / be safely increased online, without a reboot? Yes. If you use system-config-lvm and using ext3, it will let you do it all within a nice GUI as well. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Networking just stopped working
HiChristopher, On 08/07/10 10:25, Christopher Chan wrote: Why mode 4 of course. Huh? Like why? It's the recommended mode unless the switch does not suppoprt it or the boards don't. I never realised this is the recommended mode. Do you have pointers where it is recommended so that I can read on why? Cheers ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] where to download CENTOS 5.5 DVD version??
On 11 June 2010 17:40, Marcelo M. Garcia marcelo.maia.gar...@googlemail.com wrote: When I try to download, none of the mirrors in UK seems to have these isos, nor in the nearby countries mirrors. Surely not true. Kent Uni has them: http://www.mirrorservice.org/sites/mirror.centos.org/5/isos/x86_64/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Creating a user defined service in Cent os
Hai Chaitanya, On 24 May 2010 14:59, Chaitanya Yanamadala dr.virus.in...@gmail.com wrote: hai i have a perl script which will automatically check for the existing files and then ftp them to a server, this one runs in a loop until i kill it, now what i wants is i want to make this as a service so that it can keep on running until i kill the service. so does any one have an idea how to do this?? Create an init script with start and stop options, spawn your perl script as a background process and store the PID of this into a pidfile in /var/run. At the stop section kill the pid stored in the pidfile. You should be able to find some similar scripts in /etc/init.d. Then add it to the services and you're done. You should be able to issue the stop start commands just like any service. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Naming of a Java Process in Linux
Jatin, On 24 May 2010 06:06, Jatin Davey jasho...@cisco.com wrote: show up as java in the ps -A command. I dont know for sure as to which java process belongs to which component of my appliacation. Hence what i do is add up all the resource utilization values for all java processes Add a -Darbitrary_string into your java commands. Unless you are very unlucky with your arbitrary string, these will be passed to the java engine as parameters and will be ignored by the rest of the application. Then you can use this to pin the process in ps output. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] which gcc package?
On 9 May 2010 12:57, Michael Klinosky m...@enter.net wrote: Robert Heller wrote: You just need to do 'yum install gcc gcc-c++ binutils glibc-devel'. That seems to have done the trick. I do get compile errors, but I think there's a problem with the code. Depending on the requirements of the source code you are trying to compile you might have to fetch some development packages for various libraries, for example if it uses ncurses, you will want ncurses-devel package. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] which gcc package?
Michael, On 9 May 2010 16:48, Michael Klinosky m...@enter.net wrote: Hakan Koseoglu wrote: Depending on the requirements of the source code you are trying to compile you might have to fetch some development packages for various libraries, for example if it uses ncurses, you will want ncurses-devel package. This problem seems (to my semi-newby brain) to be related to X -- [r...@sr1220 plugger-5.1.3]# make gcc -c -O2 -Ipluginsdk/include -INONE -DXP_UNIX -DVERSION=\5.1.3\ -fPIC -o plugger.o plugger.c In file included from plugger.c:43: pluginsdk/include/npapi.h:129:22: error: X11/Xlib.h: No such file or directory You need to get familiar with how C libraries work. You are trying to compile a package which calls the Xlib library. The definitions for the library (i.e., what methods and functions are available to programmer) is stored in a file called header file which ends with the extension h. In most distributions, these are stored separately to the libraries (i.e., runtime only dependencies). If you do a search for your missing header file with the command yum provides *X11/Xlib.h you will see that this is provided with the libX11-devel package. Then you can install this package with the command yum install libX11-devel and so on for all of your missing dependencies. I emailed the coder yesterday - still waiting for a reply. This is nothing to do with the coder. I think you will wait for a while for the reply. :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] URGENT
2010/4/24 cahit Eyigünlü cahit.eyigu...@gmail.com: It had solved , the error encounters from thousands of a bad sectors :( i do not know how it happened but recovery system has repaired after then Throw that disk away and get a new one ASAP. Do not trust and use that disk. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] iSCSI / GFS shared web server file system
On Fri, Apr 23, 2010 at 8:10 AM, Geoff Galitz ge...@galitz.org wrote: OCSF2 over iSCSI is a good option to look at, too. There is also gluster. But NFS is going to be the mainstream approach with the best support and administration options unless the OP is running into some technical limitations. I have a number of OCFS2 over plain old SCSI with MD3000 setups. The older versions have a couple of stupid bugs so it's always better to move to the most upto date version of the module from Oracle. I haven't tried it with iSCSI. I haven't tried Gluster yet but I find OCFS2 quite maintenance-free until you hit the damn bug! :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] iSCSI / GFS shared web server file system
Hi James, On Thu, Apr 22, 2010 at 11:38 PM, jchase jch...@mandaladesigns.com wrote: We currently have a MD3000i with an iSCSI LUN shared out to our apache web server. We are going to add another apache web server into the mix using LVS to load balance, however, I am curious how well iSCSI handles file locking and data integrity. I have the iSCSI partition formatted as ext3. iSCSI is just SCSI protocol over the net and doesn't provide any locking. Is my setup totally flawed and will ext3 not allow for data integrity with multiple apache hosts reading/writing to the shared storage? Am I required to also setup GFS across my apache hosts or does iSCSI somehow manage this? GFS or OCFS2 etc. would be a good idea. Alternatively NFS/CIFS would do. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RHEL 6 Beta available for public download
On Wed, Apr 21, 2010 at 1:39 PM, Michel van Deventer mic...@van.deventer.cx wrote: And now it works :) happy downloading ;) Too many users already! They should invest on a proper OS from Redmond! :) -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Emulator for CentOS x86 platform?
On Sun, Apr 18, 2010 at 8:04 AM, hadi motamedi motamed...@gmail.com wrote: Dear All Can you please let me know if there is an specific Emulator for UltraSPARC emulation on CentOS x86 platform? QEMU should be able to emulate SPARC CPUs. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Building an instant on X terminal
On Thu, Apr 15, 2010 at 1:26 AM, Benjamin Franz jfr...@freerun.com wrote: If you aren't adverse to Ubuntu, 10.04 LTS (beta right now but final by the end of the month) boots in 10 seconds from a hard drive. I've tried it: It was impressively fast. I was curious about this and installed one of these on an amd64 VM with a standard LTSP installation and my ancient 700MHz i386 laptop was running of it within an hour and pretty fast as well. Even sound worked fine and stuff like youtube were tolerable. The performance and experience was way better than the old thin-client terminals of the same age with a cut-down Linux on the on-board CF-Card. The whole thing took 13GB on disk and 768MB of RAM to support two clients. Trying the CentOS one is probably the next step. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Building an instant on X terminal
On Thu, Apr 15, 2010 at 1:54 AM, Stephen Harris li...@spuddy.org wrote: If you aren't adverse to Ubuntu, 10.04 LTS (beta right now but final by the end of the month) boots in 10 seconds from a hard drive. I've tried it: It was impressively fast. Will it run in 256Mb RAM and on 512Mb of disk? 'Cos that's all this machine has :-) I did a quick and dirty test setup yesterday and was quite impressed. One of the tests was running a VMWare with 128MB and a tiny empty disk. The VM booted off the LTSP binaries merrily and was up and running within seconds. The server was a VM on my file server with 768MB RAM and the client was a VM on my linux laptop so everything did go through the network cable in the end. I've also tried an ancient 700MHz Pentium 3 laptop with 256MB RAM and that was way faster than the local Linux installation on the box so I think this setup is going to stay and will be in use instead of the local OS. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Swap = 0
Cahit, 2010/4/13 cahit Eyigünlü cahit.eyigu...@gmail.com: My server returning an error sth. like swap = 0 then locking httpd and all Set up a monitoring tool like sar etc. or my favourite, nmon with capacity planning. Depending on what those 4k users are doing, you might be running out of RAM + swap space until the out-of-memory killer kicks in and frees up some space by killing some processes. You should be able to see that activity in the message logfile. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Swap = 0
Cahit, 2010/4/13 cahit Eyigünlü cahit.eyigu...@gmail.com: is there any optimization tool i have added 2 more gb ram but it is still locking server :S Which bit do you want to optimize? top - 13:11:13 up 33 min, 2 users, load average: 29.96, 13.75, 10.97x Tasks: 280 total, 40 running, 236 sleeping, 0 stopped, 4 zombie Cpu(s): 61.1%us, 34.2%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.3%hi, 4.4%si, 0.0%st Mem: 3090588k total, 2481096k used, 609492k free, 16068k buffers Swap: 2064376k total, 22796k used, 2041580k free, 274104k cached Your server is pretty busy with such a high load, you might like to throw more RAM and more CPU. 1/3d of the time is spent serving the system itself. The IO waits are zero which is nice but you're still spending a lot of time for the sys and si (software interrupts). 4331 root 18 0 169m 131m 764 S 0.0 4.3 0:01.75 /usr/sbin/clamd 4228 mysql 15 0 356m 53m 3904 S 24.0 1.8 5:42.20 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mys Both of these are sleeping but you have to check why you have clamd running. Do you serve files and require antivirus on the server? If your server is a LAMP setup, serving php etc. with a mysql backend, you might like to disable that. Have a look at nmon from IBM and the analysis spreadsheet it has (unfortunately that requires Windows Office, I never managed to get that run successfully under OpenOffice). Nmon will collect the stats and when you feed them to the analyser spreadsheet, you can see which processes have grabbed the disk CPU and when. There are other tools out there as well but my preference has been nmon for various other reasons (well, I have to deal with AIX boxes a lot as well and it comes by default with the latest versions and it works perfectly fine with CentOS and Debian/Ubuntu as well).. You can run nmon with -t option (capacity planning, 15 min samples for a day) or with customized options (don't forget -t for spreadsheet option). -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] internet connection tester script
Hi Jozsef, On Sat, Mar 27, 2010 at 12:07 PM, Jozsef Vadkan jozsi.avad...@gmail.com wrote: Why doesn't my internet-connection script work? I suggest you double-check the Advanced Bash Scripting Guide. You posted this to a couple of sites. In your if statements, you must do if `statement`; then foo; fi Don't forget to put ` around the statement you have there (ping something | grep something). -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RAID 5 setup?
On Thu, Mar 25, 2010 at 9:07 PM, Boris Epstein borepst...@gmail.com wrote: Note: RAID5 is not really recomended for such large disks. You run the risk of a complete data loss if one disk fails and the another disk fails during the rebuild. Why is the size a factor here? Why would this be OK with smaller disks? How would you partition this instead? As the disks get bigger, rebuild time also increases and the performance of the disks don't increase linearly with their storage. This means that when you are rebuilding a disk, the chances of one of your other disks failing becomes significantly large. Most suggest RAID6 these days as a minimum, mirroring and striping appears to be the most popular. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] help fdisk and dd
On Thu, Mar 4, 2010 at 1:01 PM, chloe K chloekcy2...@yahoo.ca wrote: What is the best practice to remove all data in the disk? If you want to securely remove the data, I recommend using a tool like DBAN. If you want to just wipe out the partition boot sector for a clean reinstallation, dd'ing the disk with zero for a couple of Mbytes is more than enough. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] HP Proliant ML150 : how do I access disks ?
On Wed, Feb 17, 2010 at 10:26 PM, Niki Kovacs cont...@kikinovak.net wrote: boot configuration tools (bios, scsi configurator). So far I haven't SCSI - Disk Go to www.hp.com, , click on Support Drivers, on Step 2, for product type ML 150, click GO. Select the correct generation, i.e. G5 or G6 etc. (it should be printed in the front), select Red Hat Enterprise Linux 5 Server (x86 or x86-64). Scroll down until you get to the Driver - Storage Controller section. Download HP ProLiant Smart Array Controller... And so on. When the server boots up, you will be presented with various options. Anything that mentions disk is your target. You will have to create at least one volume from a single disk, probably it's best to do RAID1 using both disks but all of that depends on what you want to do. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] HP Proliant ML150 : how do I access disks ?
On Thu, Feb 18, 2010 at 7:19 AM, Niki Kovacs cont...@kikinovak.net wrote: Niki Kovacs a écrit : OK, at least I found an answer to this particular problem. I tried the US site, which yields many more answers. Unfortunately, no smart array controller. 03:01.0 RAID bus controller: Adaptec AAC-RAID (rev 01) 03:04.0 SCSI storage controller: Adaptec AIC-7901 U320 (rev 10) You have an Adaptec card. That should work w/o a problem, that card has been supported by the upstream since release 3. During the boot-up sequence when it mentions Adaptec, hit the button mentioned on screen. Make sure that the module is loaded during the installation, it should have already been. More likely as mentioned before, since you're not familiar with SCSI volumes, you haven't managed to configure the arrays correctly. In all of this thread I am not sure if it's been explained to you before so let me go on a bit, you might now about this already, if so apologies, just skip to the next message :) On most SCSI/SAS enabled servers, the disks are not shown to the hosts directly. Since these are usually used as servers, they are grouped for redundancy purposes. As a result until the disks are bundled into volumes or individually assigned to such entitites, they will not be visible to the OS. Some disks might be marked as spare. Since you got this server from an other source, most likely he had wiped out all of the data from it and removed the RAID configuration. You must go into the Adaptec configuration ans see how the disks are bundled up. Most likely they aren't assigned to any volumes. If you are not seeing any disks in this menu you must check the disk cabling within the box but do not mess that before you check the configuration on Adaptec's BIOS. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] HP Proliant ML150 : how do I access disks ?
Hi Niki, On Thu, Feb 18, 2010 at 7:19 AM, Niki Kovacs cont...@kikinovak.net wrote: Niki Kovacs a écrit : OK, at least I found an answer to this particular problem. I tried the US site, which yields many more answers. Unfortunately, no smart array controller. One last thing for this morning: Go to http://www.adaptec.com/en-US/support/scsi/#u320 , select the link for the card version you have and have good read of the installation guide where they talk about how to configure the device. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Experiencing continual eth0 link up/down on a 10G Chelsio NIC (cxgb3 driver)
Hi Arun, On Mon, Feb 8, 2010 at 6:43 PM, Arun Khan knu...@gmail.com wrote: The file server has a Chelsio T310 10GBASE-CX4 RNIC (rev 3) PCI Express x8 MSI-X (eth0), driver and firmware is stock from the CentOS Plus kernel. Way way back, I had similar problems on a bunch of servers with 3Com cards and some 3Com switches. It turns out to be the autonegotiation of the 3Com cards and switches we got at that time were buggy and some idiot had set the switches to 100Mbit full duplex and the cards to autoneg and it kept initiating autonegation and the buggy card kept on doing the wrong rate. The result was poor performance and constant link down/up cycle. It's worth checking what the switch side is set to. Also setting both sides to a particular value might help or just remove all and leave for autonegation. The hardware vendor tells me that the card either fails completely (kaput) or works - there is no grey area. He is of the opinion that the problem is with the driver. The last thing, IMHO, never trust a supplier trying to wriggle out of a support case :) I've seen plenty of network cards that's on the way but not dead yet. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 8-15 TB storage: any recommendations?
On Wed, Jan 6, 2010 at 10:50 PM, James A. Peltier jpelt...@fas.sfu.ca wrote: We use Dell 2950s with an MD3000 or MD1000 depending on OS. For our Solaris NAS node we use the MD1000 for CentOS we use the MD3000 because of the hardware RAID controller. Gives us 15TB of RAW disk space with 1TB drives plus room for 4-5 additional drives (based on configuration) in the chassis. Seconded. Also you can chain a couple of MD1000s at the back of the MD3000 to get even more storage over SAS. We have a number of those with the upstream OS installed but usually a single MD3000 is enough for what we use them for (mainly Oracle DB server or VMWare hosts). We tend to split the storage between two nodes and then do OCFS2. -- Hakan (m1fcj) - http://www.hititgunesi.org ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
