Discuss February 2010

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273 participants
231 discussions

how to show only quota limit to users via SSH?
by Rudi Ahlers 25 Feb '10

25 Feb '10

Hi, How, if possible, do I only show a user's quota limits when he logs into SSH? For example, I set a soft limit of 10GB on this user, but when he logs in he can see all the limits: -sh-3.2$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/fluid01-root 38G 36G 530M 99% / /dev/mapper/fluid01-home 48G 15G 30G 34% /home /dev/md0 190M 33M 148M 19% /boot tmpfs 881M 0 881M 0% /dev/shm /dev/mapper/fluid01-cpbackup 203G 184G 9.4G 96% /cpbackup -sh-3.2$ Is it possible to show him only his limits, and for that matter mounted partitions, which in this case is /cpbackup/knocky ? -- 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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block port forwarding?
by Roland RoLaNd 25 Feb '10

25 Feb '10

Hello, i have internet usage rules for all of my network. only 2 servers have full access to the internet.. lately i've noticed that lots of traffic being produced by the servers .. is there a way to know whose using port forwarding to my server so they access the internet ? or is there a way to block people from doing such a thing ? _________________________________________________________________ Your E-mail and More On-the-Go. Get Windows Live Hotmail Free. https://signup.live.com/signup.aspx?id=60969

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Re: [CentOS] Backuppc-updates on CentOS
by Nicolas Thierry-Mieg 25 Feb '10

25 Feb '10

Sorin Srbu wrote: >> Sorin Srbu wrote on Thu, 25 Feb 2010 10:44:40 +0100: >> >>> Doing the same search for RHEL5 gave me two packages (one for i386 and >>> one for x86_64); v3.1.0-5. >> >> Not from Red Hat. > > No, from epel. epel is just another third party repo. >>> I thought all packages available from the prominent American upstream > provider >>> got a treatment from the CentOS crew? >> >> Red Hat doesn't provide BackupPC packages. > > So anything (more or less) that RH provides, we also get for CentOS while > any extra fluff like BackupPC for CentOS, is 3rd party. Did I get that > correct? yes, centos (base+updates) offers exactly what's in RHEL. Centos won't rebuild stuff that's in epel, rpmforge or any other third party repo, these packages should work the same on rhel and centos precisely because centos aims to be as close to rhel as possible. Also note that 3.1.0 is the latest stable release of backuppc. This is the version that you installed from c5-testing. It's also the same version offered in epel. 3.1.0-5 from one repo is not necessarily better than 3.1.0-1 from another: it's the same upstream code, the -5 is only useful for comparing within a given repo.

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Re: [CentOS] Backuppc-updates on CentOS
by Kai Schaetzl 25 Feb '10

25 Feb '10

Sorin Srbu wrote on Thu, 25 Feb 2010 10:44:40 +0100: > Doing the same search for RHEL5 gave me two packages (one for i386 and one for > x86_64); v3.1.0-5. Not from Red Hat. > I thought all packages available from the prominent American upstream provider > got a treatment from the CentOS crew? Red Hat doesn't provide BackupPC packages. Kai -- Get your web at Conactive Internet Services: http://www.conactive.com

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Re: [CentOS] Desperately need help with multi-core NIC performance
by J.Witvliet＠MINDEF.NL 25 Feb '10

25 Feb '10

-----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of nate Sent: Thursday, February 25, 2010 1:03 AM To: centos(a)centos.org Subject: Re: [CentOS] Desperately need help with multi-core NIC performance Pete Kay wrote: > Hi > > So is that the limit? I have heard people being able to run like 10K > call channels before max out CPU cap. I would verify the network throughput of your system to make sure the NIC/switch/etc are functioning normally, I use iperf to do this, really simple tool to use just need two systems. On a good network you should be able to sustain roughly 900+Mbit/s with standard frame sizes and iperf on a single gigE link(hopefully with no tuning) ------------------------------------------------------------ Just for reference... On a slightly less-then-optimal network i could get 900Mbps between an HP DL380 and an old IBM-T43, both with 1Gb nics and no tuning at all, through corporate network. Between two DL380 with 10GB nics i got a performance boost (2500Mb -> 6500Mb) after i raised the MTU to 8K hw ______________________________________________________________________ Dit bericht kan informatie bevatten die niet voor u is bestemd. Indien u niet de geadresseerde bent of dit bericht abusievelijk aan u is toegezonden, wordt u verzocht dat aan de afzender te melden en het bericht te verwijderen. De Staat aanvaardt geen aansprakelijkheid voor schade, van welke aard ook, die verband houdt met risico's verbonden aan het elektronisch verzenden van berichten. This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. The State accepts no liability for damage of any kind resulting from the risks inherent in the electronic transmission of messages.

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Recommended PCIe SATA/SAS Controller?
by Tim Nelson 25 Feb '10

25 Feb '10

Greetings all- I need to purchase a PCIe SATA or SAS controller(non-raid) for a Supermicro 2U system. It should be directly bootable. Any recommendations? The system will be running CentOS 5.4 as an LTSP system. Thanks! --Tim

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Backuppc-updates on CentOS
by Sorin Srbu 25 Feb '10

25 Feb '10

Hi all, I installed BackupPC on one of my Centos 5.4-machines following the wiki at http://wiki.centos.org/HowTos/BackupPC#head-725ed151d366bcf182cea92f765c373…, where BackupPC is installed from the c5-testing repo. root@mach012 ~/ [0]# rpm -qa backuppc backuppc-3.1.0-1.el5.centos root@mach012 ~/ [0]# Seeing how there's been some updates to BackupPC in the near past, I thought I'd run a yum update to get the updated package. That didn't work. So I searched pbone.net for a BackupPC package on CentOS5 but didn't find any. Doing the same search for RHEL5 gave me two packages (one for i386 and one for x86_64); v3.1.0-5. Looking more closely I saw that the RHEL5-packages were from epel, a repo one maybe shouldn't choose as a primary repo for ones CentOS-systems if you can help it. At least that's the impression I got from the various posts to this list. I thought all packages available from the prominent American upstream provider got a treatment from the CentOS crew? Am I wrong or am I missing something really basic, or some part of the CentOS philosophy here? Or isn't BackupPC a package worthy of being CentOSified? 8-) Thanks. -- BW, Sorin ----------------------------------------------------------- # Sorin Srbu [Sysadmin, Systems Engineer] # Dept of Medicinal Chemistry, Phone: +46 (0)18-4714482 >3 signals> GSM # Div of Org Pharm Chem, Mobile: +46 (0)701-718023 # Box 574, Uppsala University, Fax: +46 (0)18-4714482 # SE-751 23 Uppsala, Sweden Visit: BMC, Husargatan 3, D5:512b # Web: http://www.orgfarm.uu.se ----------------------------------------------------------- # () ASCII ribbon campaign - Against html E-mail # /\ # # MotD follows: # "Success is the ability to go from one failure to another, with no loss of enthusiasm." -Sir Winston Churchill

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Desperately need help with multi-core NIC performance
by Pete Kay 25 Feb '10

25 Feb '10

Hi, I am running a VOIP application on Centos 5.3. It is a 16 core box with 12 G of mem and all what it does is passing packets. What happens is that at around 2K channels running g711 ( 64k) codec, all eth0 is used up and no more traffic can go through. I have checked google and it talked about interrupt scheduler. does anyone know how to configure the kernel to allow it to use all CPSs for socket transmission of UDP packets? Any pointer will be greatly appreciated. pete

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updated some packages now some windows hang after open or close
by Jerry Geis 24 Feb '10

24 Feb '10

I had a need on a centos 5.4 x86_64 box to try and run with a later totem. I desired to do this by source. After installing the packages below my system comes up, I thought everything was good. thunderbird comes up firefox comes up. totem works -------- however there seems to be an issue with closing or opening windows some random time later with all three programs. It gives the impression that X is hung. Keyboard no longer works - mouse moves but cannot click on anything. ssh into the box still works. I can kill the X server and start all up again for a random time then it looks like it hangs again. I am wondering if anyone knows what this might be - perhaps another package I need to update. I am also running a radeon 3200 driver with the Catalyst binary driver. Thanks for your thoughts. Jerry ----------------------- atk-1.29.4.tar.gz libogg-1.1.4.tar.gz autoconf-2.65.tar.gz liboil-0.3.16.tar.gz cairo-1.8.8.tar.gz libpng-1.4.0.tar.gz flex-2.5.35.tar.gz libproxy-0.2.3.tar.bz2 libsoup-2.29.90.tar.gz fontconfig-2.8.0.tar.gz libtheora-1.1.1.tar.bz2 gettext-0.17.tar.gz libunique-1.0.8.tar.gz glib-2.23.3.tar.gz libvorbis-1.2.3.tar.gz gmime-2.4.14.tar.gz m4-1.4.13.tar.gz gnome-common-2.28.0.tar.gz gnome-vfs-2.24.2.tar.gz pango-1.26.2.tar.gz gnutls-2.8.5.tar.bz2 pixman-0.17.4.tar.gz gst-plugins-bad-0.10.17.tar.gz gst-plugins-base-0.10.26.tar.gz shared-mime-info-0.70.tar.bz2 gst-plugins-good-0.10.18.tar.gz totem-2.29.4.tar.gz gst-plugins-ugly-0.10.13.tar.gz gstreamer-0.10.26.tar.gz gst-rtsp-0.10.5.tar.bz2 gtk+-2.19.5.tar.gz gtk-doc-1.13.tar.gz gtk-engines-2.19.0.tar.gz intltool-0.40.6.tar.gz

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need wireless help
by chloe K 24 Feb '10

24 Feb '10

Hi I need set up the wireless logon for user to use internet How can I use Linux to do it? Can you give me idea? Thank you __________________________________________________________________ The new Internet Explorer® 8 - Faster, safer, easier. Optimized for Yahoo! Get it Now for Free! at http://downloads.yahoo.com/ca/internetexplorer/

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Discuss February 2010