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Re: [CentOS] How to disable screen locking system-wide?
by Rudi Ahlers 20 Jan '11

20 Jan '11

On Thu, Jan 20, 2011 at 10:34 AM, Sorin Srbu <sorin.srbu(a)orgfarm.uu.se> wrote: >>-----Original Message----- >>From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On >>Behalf Of Joshua Baker-LePain >>Sent: Wednesday, January 19, 2011 8:47 PM >>To: CentOS mailing list >>Subject: Re: [CentOS] How to disable screen locking system-wide? >> >>> By default, CentOS v5 requires a user's password when the system wakes >>> up from the screensaver. This can be disabled by each user, but how >>> can I disable this system-wide? Many of my users forget to do this, >>> which results in workstations being locked up. >> >>Ctrl-Alt-Bksp will fix that right up. I'm not a big fan of users leaving >>workstations unsecured when they walk away. > > > Wouldn't that kill any programs, or whatever, the user has running? > Yup, and it totally defeats the purpose of what the OP actually wanted todo. Imagine your account being busy with your year-end books, and has to run to the toilet (she is a bit sick) now you come and press CTRL+ALT+Bksp and loose everything she's done. And, if she had a lot of invoices and statements already processed then she may need to redo it. Now, how do you explain to your boss that you just cost him another day with an expensive accountant because you're too ignorant to properly address the issue? -- 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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CentOS 5.4 LTTng patch
by Lissade, Joel 20 Jan '11

20 Jan '11

Hi all, Has anyone successfully applied the LTTng patch to CentOS 5.4 kernel? According to the LTTng compatibility table patch28-2.6.18-lttng-0.6.41 is the one that should be used but a number of the patch files did not apply cleanly. It generated a number of rejects. If anyone has done this successfully, let me know your procedure. Thanks, Joel

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Re: [CentOS] How to disable screen locking system-wide?
by John Hodrien 20 Jan '11

20 Jan '11

On Thu, 20 Jan 2011, Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On >> Behalf Of Tom H >> Sent: Thursday, January 20, 2011 1:03 PM >> To: CentOS mailing list >> Subject: Re: [CentOS] How to disable screen locking system-wide? >> >> >> In our environment, leaving your desk without locking your >> computer/screen is punished with a disciplinary hearing and three such >> hearings result in dismissal. Having one person using another's >> account is considered a security risk. > > Sounds kinda' harsh. May I ask what industry this is in? > > >> I don't know the exact path but you can use gconftool-2 (or >> gconf-editor as a GUI) to set the screensaver not to lock (and mimick >> doing so by changing the screensaver preferences in >> "System-Preferences-Screensaver"). > > That's a per-user setting you describe, right? No, you can make that work for all users with gconf-editor by editing the right file. My previously suggested solution just does that in one go without a gui: gconftool-2 --direct \ --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type bool \ --set /apps/gnome-screensaver/lock_enabled false That makes it mandatory, so it can't be overridden, and will affect all users. Only fixes it for gnome, I don't know what the equivalent fix is for KDE. You need to take other steps to enforce it in the other direction, as killall gnome-screensaver would defeat it. jh

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measuring performance of glibc
by Mag Gam 20 Jan '11

20 Jan '11

I was wondering, how does one measure the performance of glibc? Are there any tools? I am planning to compile my own version of glibc for educational purposes and I was simply curious. TIA

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not able to check in all code into svn which creates problem in deployment
by Agnello George 20 Jan '11

20 Jan '11

HI i have currently started to deploy code into our production environment from the the dev environment, we deploy code on to the production from the svn , ( i do a svn export ) , some times not code is checked into the svn and it does not throw me a error . 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 . -- Regards Agnello D'souza

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how to convert 7 cd iso images into one dvd image?
by Kenneth Wolcott 20 Jan '11

20 Jan '11

Hi; how to convert 7 cd iso images into one dvd image? I am unable to use bittorrent :-( Home ISP blocking bittorrent; company now blocks bittorrent. I want/need an old release (CentOS 5.2) to install as a VirtualBox guest. I suppose I could install from the cd iso images, but it is a pain to virtually eject and remount cd iso images during the install :-( So, is there a technique or an open source tool that will create a dvd iso given the cd iso images? Or how does one generate the dvd iso given a list of rpm files? (Assuming I had a list of all of the needed rpm files). It would be nice if one had something like "make centos_5.2_dvd_iso" :-) Thanks, Ken Wolcott kennethwolcott(a)gmail.com

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Re: [CentOS] Troubles for an non-IT beginner
by Parshwa Murdia 20 Jan '11

20 Jan '11

On Sun, Jan 16, 2011 at 8:47 PM, Digimer <linux(a)alteeve.com> wrote: The kernel is, if I recall correctly, 2.6.18 that has only been patched > to fix bugs and security features. The modern kernel is 2.6.37, and a > *lot* of hardware has come along in the years in between. For example, > it's unlikely that things like bluetooth, most wireless interfaces, > modern video cards, etc, will work. > > 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. On Sun, Jan 16, 2011 at 8:49 PM, Cameron Kerr <cameron(a)humbledown.org>wrote: Doesn't have stability!? News to me (at least for Ubuntu). Seriously though, > you would probably find that a Fedora or Ubuntu would support your desktop > hardware (particularly things like Wireless and Graphics card) much better > than a distribution aimed at servers. It's also a lot more newbie friendly. > Okay, but my meaning to say was that it has an end of life every six months. On Sun, Jan 16, 2011 at 8:54 PM, Les Mikesell <lesmikesell(a)gmail.com> wrote: Note that ubuntu has an 'LTS" (long term support) version that splits the > difference between the really fast moving releases and ones that go > unchanged > for a decade. I was pleasantly surprised a short time ago when I fired up > my > dual-boot laptop into an old install of ubuntu 8.04LTS and it asked if I > wanted > to upgrade to the newer 10.4LTS release, then proceeded to do it, > automatically > and successfully. > > There are, however, big differences in administration commands between > Ubuntu > and Centos - but if you are just starting out that probably doesn't matter. > Yes, and one main difference could be that Cent OS might serve purpose better for servers. On Sun, Jan 16, 2011 at 9:09 PM, Robert Heller <heller(a)deepsoft.com> wrote: RedHat does back port drivers, at least 'essential' ones. But yes, much > 'bleeding edge' hardware might not be supported. My PC is for home purpose only and I have only a small hardward - just speakers, a printer (Samsung printer), one net connection, one flatron screen with an assemble CPU having Inter Core 2 duo processor, 2 GB ram and 250 GB hard-disk. Speakers are frequently used and nothing else. In this scenario, I hope that all the drivers red hat might be supporting as it is the minimal of a computer sys., now in this bleeding edge technology era! On Sun, Jan 16, 2011 at 9:09 PM, Robert Heller <heller(a)deepsoft.com> wrote: In theory yes. The thing is the 'minimal install' would be very > minimal indeed. Probably no GUI or any of the other 'goodies' you > might expect to have. This would be fine for a fairly experienced IT > person, but might be somewhat 'hard' for a novice user. > > If can only manage to download *one* *CD* (either can't deal with a DVD > or don't want to download 7 CDs), then you should download the > netinstall CD. This is actually a very *small* iso image. Assuming you > have a decent Internet connection, the netinstall CD can install > packages directly from the Internet. > Ok I try one way. On Sun, Jan 16, 2011 at 9:09 PM, Robert Heller <heller(a)deepsoft.com> wrote: It is good for: > > 1) Taking a 'test drive' to see if linux is something you want to > pursue. Or to demostrate Linux to people who might not have seen or > used Linux -- it is easier to lug a CD than a whole computer. > > 2) To use as a multifunction rescue system. > > 3) To use Linux on a machine that Linux cannot be installed on (eg not > your machine). > > 4) To see if Linux will work on the machine in question before > committing to installing on it. Can be used to test Linux compatibity > with store display models, for example. On Sun, Jan 16, 2011 at 9:10 PM, Michael Klinosky <mpk2(a)enter.net> wrote: It's meant to be used to test if the distro likes your system, or test > if you like the distro. > > Do you know what a 'Live CD' is? Boot your computer from it; it'll run > the OS - but only in RAM or from the CD. It won't change anything on > your hard drive. Oh I see, this is really good option Linux has provided! On Sun, Jan 16, 2011 at 9:21 PM, Les Mikesell <lesmikesell(a)gmail.com> wrote: CentOS will work for desktop use but it is not ideal, especially as it gets > older. With only a few exceptions, the support updates have only bug and > security fixes to the package versions shipped in the original release of > the > major distribution version number without adding new features. This is a > good > thing if you run servers with a lot of your own programming that depends on > the > exact behavior of the libraries from that version, but it is a lot less > important for an individual user that wants the newest features from all of > the > available packages. > > If you still want CentOS and aren't in a big hurry, you might wait for the > CentOS6 release which should be coming soon. CentOS 5.x has packages from > around the Fedora 6 era. CentOS 6 should jump that up to be similar to > Fedora 14. Nice, Cent OS 6 would be releasing by the Jan end or Feb, I think....? Another important thing I have is that like you are suggesting for Fedora or Ubuntu but that the newest cutting edge technology could be installed in the older hardware assuming that the hardware has minimal composition, like, only 2 gb ram, hard disk and speaker, with keyboard and a non-usb mouse. In this hardware too we can install any cutting edge OS like fedora or it really depends on the hardware that if it would accept a particular distro or not! -- Regards, Parshwa Murdia

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disk quotas + centos 5,5 +xfs
by aurfalien＠gmail.com 20 Jan '11

20 Jan '11

Hi all, is any one aware quotas not working in 5,5? I'm using XFS as a file system. My fstab has the appropriate usrquota,grpquota but when I try to run; quotacheck -cug /foo I get; quotacheck: Can't find filesystem to check or filesystem not mounted with quota option. I already have a large amount of data in the mount. Do quotas get implemented on only empty filesystems and then one adds data? - aurf

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Is it okay?
by Parshwa Murdia 19 Jan '11

19 Jan '11

Hi, I have downloaded the following version: CentOS-5.5-i386-LiveCD-Release2.iso from the mirror: http://ftp.iitm.ac.in/centos/5.5/isos/i386/ What I want to ask is that 'Release2' is the complete OS and after installation we can use 'yum update'. So at first, is it enough (as I am not going to download the complete set of 7 CDs)? -- Regards, Parshwa Murdia Making the simple complicated is commonplace, making the complicated simple, awesomely simple, that's innovation.. -C Mingus

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KVM host question about host firewall
by Kwan Lowe 19 Jan '11

19 Jan '11

Hello All: I'll ask this in the virt list later if this is not the appropriate forum... Yesterday I was troubleshooting an issue with a KVM host. I was unable to access the DNS service on a KVM virtual machine. After verifying that the vm allowed through the DNS ports (53 on UDP/TCP) and still being unable to access, I was able to connect immediately after allowing those ports on the KVM host. Is there anyway around this? The reason is that I would like to allow only SSH access to the host, but allow other services to the virtual machines. I am running CentOS 5.5 on both hosts and vm. Thanks, Kwan

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Re: [CentOS] Troubles for an non-IT beginner
by Lisandro Grullon 19 Jan '11

19 Jan '11

Dear Parshwa, I tend to agree with you in some of your points. I migrated my systems from ubuntu to centos and I could not be more happy. off course I have been force to learn the new places where things are "the redhat way" but not problem since the usual tools continue to exist in both platforms. I have decided to run Centos in all my machines thus far, I do have some applications that only run in Windows, in those cases I keep a Virtualbox instance to use those particular applications when needed otherwise I try keeping everything in Centos as native. Do not get me wrong, centos is an "IT" operating system but it could equally be a tool of choice for "non-IT" individuals as long as they are willing to search, read, and ask questions when all else fails. Best of luck and Centos rocks! >>> Parshwa Murdia 01/19/11 10:32 AM >>> On Wed, Jan 19, 2011 at 4:25 PM, Christopher R Webber wrote: > I find that in places where I don¹t have latest and greatest hardware, > CEntOS makes a much better Desktop OS than Ubuntu. If all I am doing is > running a web browser for the most part, I use CEntOS. Means in your opinion, for a stable OS, cent OS is better. I no doubt agree with the fact its really a personal choice and like me (from not IT or computers), I at first would see the ease of use (yes, probably because I have come from Windows, totally GUI). I like (as what I have found reading and comments I got) Cent OS is secured, stable and an excellent OS, but if you talk of easiness, I guess Ubuntu is above in ranking, where I only talk of ease of use and again its totally the wish of the individual one who is going with what distro. But as for a person, who is really not from IT or uses computers more frequently but want to use one Linux distro, I can say that anyone be it, Cent OS or Ubuntu or even Fedora, at least it is Linux!! -- Regards, Parshwa Murdia Making the simple complicated is commonplace, making the complicated simple, awesomely simple, that's innovation.. -C Mingus _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] When are Logwatch errors really errors
by Lisandro Grullon 19 Jan '11

19 Jan '11

Hi jason, Thank you for pointing this out. I am running 5.5 in 5 new boxes suddenly the boxes would start randomly rebooting. Checking the logs point out to smartd in all the boxes. I should all of them out except one. In that one I disable and shutdown smartd and the machine has been running ok for 5 hours, could smartd causing init 6 calls, if so, why isn't syslogd catching those calls. All that pointed to smartd was the last call before reboot. You can see my post at https://www.centos.org/modules/newbb/viewtopic.php?topic_id=29777&start=0#f… For now I am leaving smartd off and will monitor if it keep rebooting, 5 hours have passed and things are still running. I will report back in the thread when the 24 hour mark ticks. I got the feeling that smartd is being evil to us. >>> Jason S-M 01/07/11 11:25 AM >>> Hi All, I don't know enough about when errors are *really* errors. So I google a lot to read and learn. I have a few things in my Logwatch that I want to make sure I understand 1. smartd **Unmatched Entries** Problem creating device name scan list Device /dev/sda: using '-d sat' for ATA disk behind SAT layer. Device /dev/sdb: using '-d sat' for ATA disk behind SAT layer. Device: /dev/sdc, NO MEDIUM present; skip device Device: /dev/sdd, NO MEDIUM present; skip device Device: /dev/sde, NO MEDIUM present; skip device Device: /dev/sdf, NO MEDIUM present; skip device I googled and since I know the devices I have I can comment out #DEVICESCAN -H -m root and replace with: /dev/sda -a -d sat -m root -M exec /usr/share/smartmontools/smartd-runner /dev/sdb -a -d sat -m root -M exec /usr/share/smartmontools/smartd-runner 2. kernel WARNING: Kernel Errors Present amd64_edac: probe of 0000:00:18.2 failed with error -22 ...: 1 Time(s) I googled this and I only had 5 hits that I could not make sense of. Can anyone shed some light? 3. automount **Unmatched Entries** lookup_read_master: lookup(nisplus): couldn't locate nis+ table auto.master: 1 Time(s) I googled and this seems to be a RHEL bug? Can anyone confirm and explain? -Jason _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] Troubles for an non-IT beginner
by Lisandro Grullon 19 Jan '11

19 Jan '11

As Rober puts it, sometimes is better to keep "Things...stable and reliable" rather than in the "bleeding edge..." makes perfect sense. >>> Robert Heller 01/19/11 10:43 AM >>> At Wed, 19 Jan 2011 15:13:41 +0000 (GMT) CentOS mailing list wrote: > > On Wed, 19 Jan 2011, Les Mikesell wrote: > > > CentOS would likely only be used as a desktop OS by people who also run > > servers and like everything to be the same. They all assemble approximately > > the same set of upstream packages, though, so it is possible to make them > > all do the same things with varying amounts of work in finding current > > packages that might be missing in the base distribution. > > I do think CentOS gets unreasonably knocked as a desktop OS. I definitely > don't use it on desktops *because* I run it on servers. > > All the advantages of long release cycles apply to desktops. Despite often > thinking otherwise, many users require relatively few packages to be the > latest shiniest, so running a bleeding edge distro isn't really needed. Even > then, a reasonably amount of software can end up being commercial, where EL5 > is currently better supported than any other linux release. Where users do > have requirements that diverge from the base OS, it's probably a good idea for > that to be satisfied out of the main OS tree anyway, as that lets you satisfy > local requirements while keeping the core identical across the board. +1 The local library was originally setup with Ubuntu, but the tech geek who set it up was NOT very good at maintaining things (applying updates, doing basic admin stuff). When I took over administrating things and set up the new incarnation of 'thin clients', I installed CentOS and with proper maintaince things run much more smoothly. The 'desktop' systems are used by patrons and library staff people alike (not techy geeks!). Things are stable and reliable. The fact that stuff is not bleeding edge is not something that really has much effect for most people. *I* use CentOS on *my* desktop AND on *my* laptop. > > jh > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- Robert Heller -- 978-544-6933 / heller(a)deepsoft.com Deepwoods Software -- http://www.deepsoft.com/ () ascii ribbon campaign -- against html e-mail /\ www.asciiribbon.org -- against proprietary attachments _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Troubles for an non-IT beginner
by Parshwa Murdia 19 Jan '11

19 Jan '11

hello, I am absolutely new, means from non-IT sector but have attraction (developed recently) towards linux and have chosen the centos distro for the installation as an OS in my home PC for personal use. I went to the page: http://isoredirect.centos.org/centos/5/isos/i386/ But don't understand amongst the variety of options there. I also don't know the technical terms like md5, etc...., can one directly give me the link for down loadable Cent OS 5.5 (which is latest) and better if it is the torrent download. I guess there would be only one file of .iso format which is to be burned and installed. If I am wrong, please let me know. -- Regards, Parshwa Murdia

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Printer Configuration Centos 5
by Im Corp - Xcelris 19 Jan '11

19 Jan '11

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i386 packages on fresh x86_64 system
by Kai Schaetzl 18 Jan '11

18 Jan '11

Even a minimal install with nobase installs about 40-50 i386 packages on a 64bit-System. I know this has come up before and thought it might be an FAQ, but I can't find it on the wiki. Some questions are answered here: http://www.goitworld.com/rhelcentos-x86_64-and-i386-packages-mess/ but I have these remaining: - can I tell via kickstart to just install the 64bit packages? - is it safe to rpm -e remove all i386 packages? (assuming I'm not going to install any i386 packages later) Thanks. Kai -- Get your web at Conactive Internet Services: http://www.conactive.com

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replace x86 with x64 system and reuse existing LVM
by Kai Schaetzl 18 Jan '11

18 Jan '11

I want to replace an existing 32bit with a 64bit installation (Centos 5). There's an existing LVM with lots of partitions. Most are used for Xen guests. The system itself uses only one of them plus a separate /boot partition that is not on LVM. What's the best course of action here? Should I do the reinstall with kickstart or better manually and reuse the existing filesystem? As I understand once LVM gets loaded it should find the volumes by itself, but will it be able to use the same naming scheme for instance? Or do I have to do some additional stuff, anyway? Thanks, Kai

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SELinux : semodule_package, magic number does not match
by Philippe Naudin 18 Jan '11

18 Jan '11

Hello, I am trying to create a custom policy, but with no succes : $ cat <<EOF> foo.te module local 1.0; require { type httpd_sys_script_exec_t; type httpd_sys_script_t; class lnk_file read; } #============= httpd_sys_script_t ============== allow httpd_sys_script_t httpd_sys_script_exec_t:lnk_file read; EOF $ checkmodule -M -m -o foo.mod foo.te checkmodule: loading policy configuration from foo.te checkmodule: policy configuration loaded checkmodule: writing binary representation (version 6) to foo.mod $ semodule_package -o foo.pp -m foo.mod $ echo $? 0 # So far, so good. But : $ checkmodule -b foo.pp checkmodule: loading policy configuration from foo.pp libsepol.policydb_read: policydb magic number 0xf97cff8f does not match expected magic number 0xf97cff8c or 0xf97cff8d checkmodule: error(s) encountered while parsing configuration # And trying to "semodule -i foo.pp" fails completely. So here come my questions : - is there a boolean to allow httpd to execute a script "symlinked" ? (scontext=system_u:system_r:httpd_sys_script_t:s0 tcontext=system_u:object_r:httpd_sys_script_exec_t:s0 tclass=lnk_file) - can someone reproduce the error described above ? - any clue on how to fix it ? (For the curious one : I am fighting svn hooks on a filesystem mounted "-o noexec".) Additional infos : $ rpm -qa 'kernel*' '*selinux*' kernel-2.6.18-194.26.1.el5 kernel-2.6.18-194.32.1.el5 kernel-devel-2.6.18-194.26.1.el5 kernel-devel-2.6.18-194.32.1.el5 kernel-headers-2.6.18-194.32.1.el5 libselinux-1.33.4-5.5.el5 libselinux-devel-1.33.4-5.5.el5 libselinux-python-1.33.4-5.5.el5 libselinux-utils-1.33.4-5.5.el5 selinux-policy-2.4.6-279.el5_5.2 selinux-policy-devel-2.4.6-279.el5_5.2 selinux-policy-targeted-2.4.6-279.el5_5.2 $ uname -a Linux despina 2.6.18-194.26.1.el5 #1 SMP Tue Nov 9 12:54:20 EST 2010 x86_64 x86_64 x86_64 GNU/Linux Thanks, -- Philippe

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OT: Some examples about using auditd
by carlopmart 18 Jan '11

18 Jan '11

Hi all, I need to do some tests about auditd funcionalities on two CentOS5.5 hosts. I need to audit when user executes sudo command, when system files are modified, when some process call to some system calls, when kernel semaphores are modified, etc. I see some examples on /usr/shae/doc/audit-x.x.x, but I will know if someone has more complet audit.rules. Can somebody share some samples?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

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[OT] As service network suggestion
by Rajagopal Swaminathan 18 Jan '11

18 Jan '11

Greetings, I tried to throw this idea open in the ILUG-BOM group. some discussion took place. I was wondering if Centos can have such support network that can take care of all the "Centos support for money".discussions/decisions. Thanks for current and further indulgence. With warm regards and season's greetings, Rajagopal Mumbai, India PS: I understand Some central European and Scandinavian countries have some (Pagan or whatever) festival around 15th January hence season's greetings =============My original post below========== We see a lot of professionals and SMBs who are member of this list. I was wondering if we all can form a sort of service network of professional for various solutions using open/mixed source. Any person/organisation with skills/knowledge on FLOSS/Hweterogenous/Others can be a member. We cannot ignore the "other"/"Proprietery" completely as they are entrenched in the various verticals. Please bear with me. I have dedicated last five years of my bread and butter earning career to FLOSS solutions but have difficulty in gaining traction in the enterprises working alone. Of course there are commercials involved. Which can be discussed threadbare. Perhaps another list for that. I was having a "Single window Solutions" in mind wherein the members/prospective customers can pick and choose services they want. Modalities/details can be worked out. Soliciting opinions from the esteemed members of this list. Regards, Rajagopal

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Re: [CentOS] input/output error while copy (John R Pierce)
by Ritika Garg 18 Jan '11

18 Jan '11

The system that I am working on is desktop and I am mounting the external hdd on the system. I can't work over the network.

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Network Scanner and CentOS 5.5
by David McGuffey 17 Jan '11

17 Jan '11

I have an HP Photosmart 3210 All-in-One color printer. Printing works great, but I cannot get xsane to locate it on the local subnet. I've been to the sane site and looked at the backends. The HP 3210 is supported by hpio and there is a note that hpio is no longer needed because the functionality has been rolled int hplip. yum shows hplip is installed: hplip.x86_64 1.6.7-4.1.el5.4 installed Everything is on an internal nat address space. Host is at .1, Photosmart is at .251 /etc/services contains an entry for sane-port xinet.d/ has a file for sane and sane-port (both identical) iptables allows all outbound and established. I've gone through several sets of guidance found on the Intenet. Almost all is for usb or scsi. Very little guidance on sane-net. Finally found one good set of guidance and followed it to configure dll.conf, and net.conf. I've looked at sane.net man page untill I'm cross-eyed. Anyone successfully scanning from an HP Photosmart network printer? Dave M

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nvidia failure with new kernel
by Michael D. Berger 17 Jan '11

17 Jan '11

I installed TrueCrypt and when I ran it, it informed me that I needed a new kernel. So I ran "yum update". I boot to level 3, and when I ran startx, I got: -- ... (==) Using config file: "/etc/X11/xorg.conf" FATAL: Module nvidia not found. (EE) NVIDIA: Failed to load the NVIDIA kernel module. Please check your (EE) NVIDIA: system's kernel log for additional error messages. (EE) Failed to load module "nvidia" (module-specific error, 0) (EE) No drivers available. Fatal server error: no screens found XIO: fatal IO error 104 (Connection reset by peer) on X server ":0.0" after 0 requests (0 known processed) with 0 events remaining. -- If I boot with the old kernel, I can successfully run startx. Thanks for your help. Mike.

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can't start iscsi - and can't find answer on google
by Rudi Ahlers 17 Jan '11

17 Jan '11

Hi all, I have the strangest problem on one of our backup server. iscsi doesn't start at all, and gives the following error: [root@2U-NAS ~]# /etc/init.d/iscsi status iscsid is stopped [root@2U-NAS ~]# /etc/init.d/iscsi start iscsid is stopped Starting iSCSI daemon: Unable to create pid file: /var/run/brcm_iscsiuio.pid [FAILED] Setting up iSCSI targets: iscsiadm: No records found! [ OK ] [root@2U-NAS ~]# /etc/init.d/iscsi restart Stopping iSCSI daemon: iscsiadm: can not connect to iSCSI daemon (111)! iscsiadm: initiator reported error (20 - could not connect to iscsid) iscsiadm: Could not stop iscsid. Trying sending iscsid SIGTERM or SIGKILL signals manually iscsid is stopped [ OK ] Starting iSCSI daemon: Unable to create pid file: /var/run/brcm_iscsiuio.pid [FAILED] Setting up iSCSI targets: iscsiadm: No records found! [ OK ] All other services on this machine works fine and could write their pid file, but not iscsi. Google search didn't help me much with this error either. I've uninstalled and reinstalled iSCSi but that doesn't help either. This is on CentOS 5.5 [root@2U-NAS ~]# uname -a Linux 2U-NAS 2.6.18-194.32.1.el5xen #1 SMP Wed Jan 5 18:44:24 EST 2011 x86_64 x86_64 x86_64 GNU/Linux [root@2U-NAS ~]# cat /etc/redhat-release CentOS release 5.5 (Final) Has anyone seen this before? -- 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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Procmail recipie to forward via smtp
by Jason Pyeron 17 Jan '11

17 Jan '11

I was in a hurry to forward email to our internal exchange server before my vaction, the best way I found after too much googling was to use http://www.ibiblio.org/pub/Linux/system/mail/smtpsend-1.02.tgz and :0 |smtpsend -to=user(a)pdinc.us -server=exchange Was there a way to do this without smtpsend? -Jason -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.

3 3

squid
by madunix＠gmail.com 17 Jan '11

17 Jan '11

I need to know the meaning of this line in my squid access log 1295267166.311 1069 10.6.50.123 TCP_MISS/200 16623 GET http://www.mycom.com/sendNews.php? - DIRECT/71.6.196.18 text/html Thx

2 1

Kernel Errors Present
by Keith Roberts 17 Jan '11

17 Jan '11

I'm getting this message in my logwatch email notification: --------------------- Kernel Begin ------------------------ WARNING: Kernel Errors Present sdb:<3>Buffer I/O error on device sdb, l ...: 2 Time(s) Buffer I/O error on device sdb, l ...: 12 Time(s) hde: dma_intr: error=0x84 { DriveStat ...: 12 Time(s) hde: dma_intr: status=0x51 { DriveReady SeekComplete Error } ...: 12 Time(s) ---------------------- Kernel End ------------------------- It's an old drive I'm using for swap space, /var, and /tmp. (It's on a PCI IDE controller, that's why it comes up as hde.) If I test it for bad sectors using Vivard, there are no bad sectors found or remapped. I'm just trying to move a lot of regular disk I/O from my main drive with the root installtion on it, to a replaceable spare. I cannot find which log file these messages are going to. Nothing in /var/log/dmesg or messages. Where does logwatch get these messages from? Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------

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problem mounting external drive
by Michael D. Berger 17 Jan '11

17 Jan '11

On my Centos box with: uname -r 2.6.18-164.6.1.el5 I tried to mount my 2T external drive with: mount -t ntfs /dev/sdg1 /mnt/wd and I get: mount: unknown filesystem type 'ntfs' Thanks in advance for your help. Mike.

2 1

Re: [CentOS] Server reboots unexpectebly.
by Lisandro Grullon 17 Jan '11

17 Jan '11

Interesting...too bad I can't do that in my environment. >>> 01/16/11 9:09 PM >>> Lisandro Grullon wrote: > This is interesting...I wonder if my box is having and overheating issue. Back in the day, we used h eat gun or even a hair dryer to heat up a suspect system to induce an incipient failure to show up. -- Charles Polisher _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] Server reboots unexpectebly.
by Lisandro Grullon 17 Jan '11

17 Jan '11

They are not on a ups at the moment since these boxes are being test. Do u think this could be a power issue? ------Original Message------ From: compdoc Sender: centos-bounces(a)centos.org To: 'CentOS mailing list' ReplyTo: CentOS mailing list Subject: Re: [CentOS] Server reboots unexpectebly. Sent: Jan 16, 2011 12:24 PM If its two servers doing the same, then I guess it's not likely they both have the same hardware problem. The thing is, that's not something centos is going to do on its own, so it's some program that's been added, or some common bios setting that's wrong. Do they connect to a UPS with a serial/usb cable? >>Also run memtest86 on them overnight (getting at least one complete iteration). I've seen one memtest iteration pass, but 2 or 3 were needed before a failure showed up. That's not usually the case, though... _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos Sent on the Sprint® Now Network from my BlackBerry®

4 3

nic bonding
by Smithies, Russell 17 Jan '11

17 Jan '11

I've just setup nic bonding on our server (DL585-G7 running Centos 5.5 x86_64) as detailed on the wiki: http://wiki.centos.org/TipsAndTricks/BondingInterfaces and all seems fine but from other "howto's" I've seen on the web, they're should be a /proc/net/bond0/info As far as I can see, I don't have one and I'm not sure if it should be there or its absence is a sign I've done something wrong. I found /proc/net/dev_snmp6/bond0 but is the same? Any ideas? Thanx, Russell Smithies ======================================================================= Attention: The information contained in this message and/or attachments from AgResearch Limited is intended only for the persons or entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipients is prohibited by AgResearch Limited. If you have received this message in error, please notify the sender immediately. =======================================================================

3 2

I want to update bug 4526
by rainer＠ultra-secure.de 17 Jan '11

17 Jan '11

Hi, how does one update a bug in the bug-database? Or is that only possible while it's still open? The update is only cosmetic in that I had the same problem but found out what the solution was (the bug is the only hit you get when searching for the error-message via google) Rainer

2 1

Re: [CentOS] nic bonding
by Smithies, Russell 17 Jan '11

17 Jan '11

Afraid not, no /proc/net/bonding either. This is all I can see: [root@inbfop03 ~]# find / -name bonding 2>/dev/null /lib/modules/2.6.18-194.32.1.el5/kernel/drivers/net/bonding /lib/modules/2.6.18-194.el5/kernel/drivers/net/bonding /usr/src/kernels/2.6.18-194.el5-x86_64/drivers/net/bonding /usr/src/kernels/2.6.18-194.32.1.el5-x86_64/drivers/net/bonding [root@inbfop03 ~]# find / -name bond0 2>/dev/null /sys/class/net/bond0 /proc/sys/net/ipv6/conf/bond0 /proc/sys/net/ipv6/neigh/bond0 /proc/sys/net/ipv4/conf/bond0 /proc/sys/net/ipv4/neigh/bond0 /proc/net/dev_snmp6/bond0 It's not really a problem as it's working OK, just odd it's not there. --Russell > -----Original Message----- > From: Steve Thompson [mailto:smt@vgersoft.com] > Sent: Monday, 17 January 2011 2:13 p.m. > To: Smithies, Russell > Subject: Re: [CentOS] nic bonding > > On Mon, 17 Jan 2011, Smithies, Russell wrote: > > > I've just setup nic bonding on our server (DL585-G7 running Centos > 5.5 > > x86_64) as detailed on the wiki: > > http://wiki.centos.org/TipsAndTricks/BondingInterfaces and all seems > > fine but from other "howto's" I've seen on the web, they're should be > a > > /proc/net/bond0/info > > That would be /proc/net/bonding/bond0 > > -steve ======================================================================= Attention: The information contained in this message and/or attachments from AgResearch Limited is intended only for the persons or entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipients is prohibited by AgResearch Limited. If you have received this message in error, please notify the sender immediately. =======================================================================

2 2

Server reboots unexpectebly.
by Lisandro Grullon 17 Jan '11

17 Jan '11

Dear group, I am in the process of configuring 2 new servers. They are running Centos 5.5 and for the last three days they have been rebooting unexpectedly, can you point me in the right direction what to look for in the logs. I have been checking /var/log/messages but don't see anything that hint me any clues why this is happening. Your input is much much appreciated. Lisandro PS. These are custom built Tyan boxes.

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Re: [CentOS] Server reboots unexpectebly.
by Lisandro Grullon 17 Jan '11

17 Jan '11

I will look into this one when I return to work...thank u for the tip. Can it also be a heading issue. ------Original Message------ From: Keith Roberts Sender: centos-bounces(a)centos.org To: CentOS mailing list ReplyTo: CentOS mailing list Subject: Re: [CentOS] Server reboots unexpectebly. Sent: Jan 16, 2011 2:53 PM On Sun, 16 Jan 2011, compdoc wrote: > To: 'CentOS mailing list' <centos(a)centos.org> > From: compdoc <compdoc(a)hotrodpc.com> > Subject: Re: [CentOS] Server reboots unexpectebly. > > If its two servers doing the same, then I guess it's not likely they both > have the same hardware problem. The thing is, that's not something centos is > going to do on its own, so it's some program that's been added, or some > common bios setting that's wrong. > > Do they connect to a UPS with a serial/usb cable? > >>> Also run memtest86 on them overnight (getting at least one complete > iteration). > > I've seen one memtest iteration pass, but 2 or 3 were needed before a > failure showed up. That's not usually the case, though... Test 5 is the most stressfull for exercising memory. You can select that to run continuously overnight. Keith ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] ----------------------------------------------------------------- _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos Sent on the Sprint® Now Network from my BlackBerry®

1 0

Network bandwidth tools.
by Jason S-M 16 Jan '11

16 Jan '11

Hi All, I am wondering what tools are available in CentOS 5.5 that would allow me to measure incoming and outgoing network speeds? My new website seems to be getting a lot more traffic that I had anticipated off the bat and I would like to measure resource usage to ensure it is keeping up. I know that top only measures CPU Best, -Jason

8 8

create account for Backup Exec 12.5 on Linux [RHEL5 or 4] to perform backup???
by mcclnx mcc 16 Jan '11

16 Jan '11

We have several LINUX servers with Backup Exec 12.5 client on it. Based on Backup administrator told us when configure backup EXEC client he need "root" password. Also we can NOT change "root" password after configure otherwise backup will failed. Does there has way I can create a account with special group assign to it for Backup EXEC to use? Thanks.

10 11

Re: [CentOS] input/output error while copy (John R Pierce)
by Ritika Garg 16 Jan '11

16 Jan '11

Then, is there any other way to mount external hard disk as ntfs in read write mode?

2 1

parsing an e-mail with perl
by Gregory P. Ennis 16 Jan '11

16 Jan '11

Dear List, I need to be able to pull off attachments from e-mails on the fly and then demime them and print them. I have been studying MIME::Tools but was hoping someone could point me to a script example of something I could use. Any help would be appreciated - Thanks! -- Greg Ennis

3 3

keychain problem
by bluethundr 16 Jan '11

16 Jan '11

hello centos.. I am having a very annoying problem on my network right now. it looks like every time I try to add my ssh key to keychain I have to issue a command just to get my ssh subsystem communicating with the ssh-agent: I have this line in my .bashrc file $(keychain --eval --quick --quiet private_key1 private_key2 private_key3) If I try to perform ssh-add I get the message: [bluethundr@VIRTCENT01:~]#ssh-add Could not open a connection to your authentication agent. So then I try to execute ssh-agent: bluethundr@amanda:~]#exec ssh-agent bash * Warning: can't find private_key1; skipping * Warning: can't find private_key2; skipping * Warning: can't find private_key3; skipping bash: SSH_AUTH_SOCK=/tmp/ssh-cdJlgq6077/agent.6077;: No such file or directory Then I can add it. [bluethundr@amanda:~]#ssh-add Enter passphrase for /home/bluethundr/.ssh/id_rsa: Identity added: /home/bluethundr/.ssh/id_rsa (/home/bluethundr/.ssh/id_rsa) But if I ssh away from this box and then ssh back INTO it.. and then sometime later have to ssh away again it asks me for my ssh key's passphrase. See what I mean by 'annoying problem'? Thanks in advance for your help! -- GPG me!! gpg --keyserver pgp.mit.edu --recv-keys F186197B

2 5

how to convert 7 cd iso images into one dvd image?
by Andre Robatino 15 Jan '11

15 Jan '11

> how to convert 7 cd iso images into one dvd image? Cat the CD ISOs together (order doesn't matter) into a single big file with the same name as the corresponding DVD (same version and arch), then run rsync on it to convert into the actual DVD (using a mirror that has both rsync and the desired DVD). The same trick works in reverse: for each CD, make a copy of the DVD with the same name as the CD, then run rsync on it to convert it into the actual CD. In either direction, the download necessary shouldn't be more than a few percent of full size.

2 2

keychain problem(with config file)
by bluethundr 15 Jan '11

15 Jan '11

Sorry meant to attach my sshd_config file.. here it is! ---------- Forwarded message ---------- From: bluethundr <bluethundr(a)gmail.com> Date: Sat, Jan 15, 2011 at 11:22 AM Subject: keychain problem To: CentOS mailing list <centos(a)centos.org> hello centos.. I am having a very annoying problem on my network right now. it looks like every time I try to add my ssh key to keychain I have to issue a command just to get my ssh subsystem communicating with the ssh-agent: I have this line in my .bashrc file $(keychain --eval --quick --quiet private_key1 private_key2 private_key3) If I try to perform ssh-add I get the message: [bluethundr@VIRTCENT01:~]#ssh-add Could not open a connection to your authentication agent. So then I try to execute ssh-agent: bluethundr@amanda:~]#exec ssh-agent bash * Warning: can't find private_key1; skipping * Warning: can't find private_key2; skipping * Warning: can't find private_key3; skipping bash: SSH_AUTH_SOCK=/tmp/ssh-cdJlgq6077/agent.6077;: No such file or directory Then I can add it. [bluethundr@amanda:~]#ssh-add Enter passphrase for /home/bluethundr/.ssh/id_rsa: Identity added: /home/bluethundr/.ssh/id_rsa (/home/bluethundr/.ssh/id_rsa) But if I ssh away from this box and then ssh back INTO it.. and then sometime later have to ssh away again it asks me for my ssh key's passphrase. See what I mean by 'annoying problem'? Thanks in advance for your help! -- GPG me!! gpg --keyserver pgp.mit.edu --recv-keys F186197B -- GPG me!! gpg --keyserver pgp.mit.edu --recv-keys F186197B

1 0

Installation question
by Parshwa Murdia 15 Jan '11

15 Jan '11

Hi, I am new in the world of CentOS and Linux. I am not a computer professional but want to do work in Linux, for which I am trying to learn the Linux basics. Having a PC at home and somebody told me CentOS is a great Linux distro for stability. I am having some basic queries which are as follows: 1. I am having the PC and already installed is Fedora Core 11 as well as Windows XP (dual boot). Fedora has unstability because of its EOL. If I want to install the Cent OS for home PC (personal), should the installation CD (after getting it burned) would prompt me to replace the existing Linux (i.e. Fedora) or would it try to install into the whole of the memory? My requirement is to only replace the existing Fedora Core 11 but to make the Windows remain intact. 2. Though I am new in Linux, and even Fedora commands I don't know much but majority of the commands in Cent OS and Fedora are same? 3. What Cent OS should I download and install? I mean for a single PC at home, can I install the server CentOS or simple CentOS? I hope that Cent OS would be good to use at home. -- Regards, Parshwa Murdia

2 1

Re: [CentOS] input/output error while copy
by Ritika Garg 15 Jan '11

15 Jan '11

I always mount the hard disk in read write by the command "ntfs-3g /dev/sda1 /media/harddisk umask=0". cut, copy, paste works fine when I perform these operations by mouse.

1 0

RHEL 5.6 is out
by Tris Hoar 15 Jan '11

15 Jan '11

Hi List, In case any of you are wondering when RHEL5.6 will be out our satellite server has just pulled down a copy (with bind97 and php53 :) so I'd expect an official announcement fairly soon. Tris ************************************************************* This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify postmaster(a)bgfl.org The views expressed within this email are those of the individual, and not necessarily those of the organisation *************************************************************

20 34

Centos, Samba , WIN7
by Timothy Kesten 15 Jan '11

15 Jan '11

Hi Folks, I've fresh installed CentOS 5.5 and realized, that Samba is in version 3.0.33-3. Is it possible to conect WIN7 in a Samba-Domäne with this version? And I've read abaut RHEL 5.6 with samba 3.5.4. Can I expect, that this version is included in CentOS 5.6? And can I get this version with yum-update? Thx Timothy

7 9

CentOS 5.5/5.6 on Sandy Bridge
by Kenni Lund 15 Jan '11

15 Jan '11

Hi list Has anyone tried to install CentOS 5.5 on a system with one of the new Sandy Bridge processors with integrated GPU? I can live with bad X11 performance - I'm happy as long as I get a X11 desktop (with VESA or whatever) with no crashes :) I'll mostly use this system as a KVM host with a VNC server, but I'll like to be able to hook a screen to it. CentOS 5.6/6.0 will undoubtly improve the situation in case there're issues with 5.5, I'm just curious if it will work atm. with the current CentOS 5.5 + a default Gnome environment. Thanks, Kenni

1 0

Re: [CentOS] Bind won't start.
by Lisandro Grullon 15 Jan '11

15 Jan '11

I figured it out, i submitted as a bug. http://bugs.centos.org/view.php?id=4704 >>> Scott Robbins 01/14/11 12:58 PM >>> On Fri, Jan 14, 2011 at 12:37:04PM -0500, Lisandro Grullon wrote: > Dear Group, > > > This is the definition I am using for the forward zone under /var/named/internal.micro.com > > $TTL 24h; > > @ IN SOA plato.internal.micro.com lgrullon.internal.micro.com( > 2011011401 ; Serial > 108000 ; Refresh > 3600 ; Retry > 604800 ; Expire > 86400 ; Minimum > ) > > internal.micro.com. IN NS plato.internal.micro.com. > > Jan 14 07:29:41 plato named[23057]: the working directory is not writable See if that is owned or at least writeable, by named. I vaguely remember running into something similar, and that was the issue--the file wound up being owned by root and not writeable by named. I fear I don't remember the details well. -- Scott Robbins PGP keyID EB3467D6 ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) gpg --keyserver pgp.mit.edu --recv-keys EB3467D6 Principal Snyder: A lot of educators tell students, 'Think of your principal as your pal' I say, 'Think of me as your judge, jury, and executioner. _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

2 1

Re: [CentOS] RHCE question
by Lisandro Grullon 15 Jan '11

15 Jan '11

Agree 150%. >>> Bowie Bailey 01/14/11 9:43 AM >>> On 1/14/2011 9:27 AM, mahmoud mansy wrote: > guys i am preparing muself to take the RHCE self study way and i wanna > know what is the best OS (fedora 14 or centos 5.5) and in the same > time i wanna it to be a general usage OS Since the RHCE exam is based on RHEL, that would be the best OS to work with. If you don't want to shell out the money for RHEL, then CentOS 5 would be the next choice. -- Bowie _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

7 6

hardware problem with 5.6
by mahmoud mansy 14 Jan '11

14 Jan '11

hey every one i got the centos 5.5 and the following problem occuered: 1- the video display doesnot probe my card right. 2- the wireless card doesnot installed . my laptop is dell studio1569: ( display card is intel hd arrandle , the wireless card is intel advanced centrino n6200 series ) but the fedora 14 did it will with both also the ubuntu?

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