[CentOS] kmod-drbd-smp (2.6.9-55.0.2.EL) has unknown symbols (kmod-drbd not)
(Sorry for starting a new thread; I could not find the original message in my mbox.) Martin Hamant wrote: > Johnny Hughes écrivait: >> OK ... For the drbd-kmod*.plus kernels, they are now in the CentOSPlus >> directory / Repository. If you are using CentOSPlus kernel, you need >> to also get your module for DRBD (or XFS) from there too. >> >> If you are using the Base Kernel (non-Plus one) then you would get >> your DRBD Modules (or XFS modules) from extras. >> >> This should prevent the exclude requirement to get non-Plus kernel >> modules. >> >> SO ... if you need a module for the base kernel, it is in extras ... >> if you need a module for the centosplus kernel, it is in centosplus. > > Sounds great. > > The last problem is if "plus" and "extras" repos are both activated: it > occurs for centosbase/centosplus kernels the same way as for > kmod-drbd... because last version is determined by the text pattern :( > > The centosplus repo should be activated with care... > > About updating drbd modules, what is the current behavior when you issue > a "yum update" ? Is the new kmod-drbd is install automatically (like > kernels are) ? With the precedent package you'll had to install the new > one manually if you didn't want to get stuck with a new fresh default > kernel without any drbd support ^^ A centosplus kernel update (2.6.9-55.0.6) came out. Because the kernel and kmod-drbd were pushed out at the same time, there was no need to hold the kernel update until kmod-drbd becomes available. However, yum update failed . Turns out kmod-drbd needed to be excluded from the extras repo. This was because centosplus is given a lower priority than extras and yum tried to pull kmod-drbd (for the standard kernel) from the extra repo. So, the answer to the situation above (which is the case with my test machine) is that you need to exclude kmod-drbd from extra and that as far as kernel and kmod-drbd come out together, installation is done all automatic. Akemi ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Saving network configuration
Hi, Is there a tool in centos which can save the actual network configuration somehow? Preferably to the network-scripts directory. I'd like to have it configured the Centos-way but it seems a bit puzzling to set up multiple routing tables... Zizi ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] need help on second Ethernet port (eth1) point to point connect
Robert Moskowitz wrote: A large number of NICs are autosensing. They do not need a crossover And rx/tx autosensing is part of the gigabit ethernet standard afaik. Modern gigabit cards should be able to autosense speed, duplex and direction. -- //Morten Torstensen //Email: [EMAIL PROTECTED] //IM: [EMAIL PROTECTED] [EMAIL PROTECTED] And if it turns out that there is a God, I don't believe that he is evil. The worst that can be said is that he's an underachiever. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] php 5.2
Hi, I was asking about php 5.2 because I would like to use this program with these requirements: http://www.magentocommerce.com/system-requirements This ecommerce store is built with the zend framework and requires php 5.2. Mcrypt is not in the centos mirrors either. I did manage to get this beta ecommerce store installed on php 5.1.6-12 by removing the mycript line in the install xml file and also changing the initial install page code to not be less than 5.1 I wouldn't think this would be good to do for a production program. I would prefer to stay with the centos mirror as this is what I have setup. Hopefully centos will have php 5.2 in the future. Thanks! Sincerely, Melinda Odom Design Hosting, Inc. www.designhosting.biz 479-471-0891 No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.485 / Virus Database: 269.13.12/997 - Release Date: 9/9/2007 10:17 AM ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] downloading an src.rpm?
Hello, I've got the rpmforge repo configured as a 3rd party repo. There's an rpm that i'd like to get the coresponding src.rpm, install it, and recompile it. How would i do this with yum? Thanks. Dave. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] php 5.2
Melinda Odom schrieb: > Hi, > > I was asking about php 5.2 because I would like to use this program with > these requirements: > http://www.magentocommerce.com/system-requirements > > This ecommerce store is built with the zend framework and requires php 5.2. > Mcrypt is not in the centos mirrors either. http://wftp.tu-chemnitz.de/pub/linux/centos/5/extras/x86_64/RPMS/php-mcrypt-5.1.6-12.el5.centos.x86_64.rpm What's that? Or are you speaking about CentOS 4.5? Then get it through this path: http://phprpms.sourceforge.net/mcrypt > Sincerely, > Melinda Odom Alexander ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] downloading an src.rpm?
Dave schrieb: > Hello, >I've got the rpmforge repo configured as a 3rd party repo. There's an > rpm that i'd like to get the coresponding src.rpm, install it, and > recompile it. How would i do this with yum? > Thanks. > Dave. yum install yum-utils (from extras) yum-downloader Alexander ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Re: KDE-Repos
On Sunday 09 September 2007, Timothy Kesten wrote: > http://kde-redhat.sourceforge.net/ > There are mentioned yum Repos for REHL. This repository works fine. But, be aware that it replaces large portions of your system, including system libraries. It doesn't touch the kernel, which is one reason I use it on several desktops. It gives you a much updated userland with the stable kernel base. But, if you across a bug in one of the libraries KDE-Rehat replaces, you will hten need to take it up with the KDE-Redhat maintainer and not file it as a bug report in CentOS. -- Lamar Owen Chief Information Officer Pisgah Astronomical Research Institute 1 PARI Drive Rosman, NC 28772 (828)862-5554 www.pari.edu ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Centos 4.5 clamav update error
Hi all, I have a problem updating clamav on my mail server: Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamav Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamd Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamav Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamd I'm using rpmforge repo on CentOS 4.5, everything else is up to date. I guess that there is a conflict with the currently available glibc.i686 (2.3.4-2.36) and the package providing rtld. Does anyone knows if there is a fix/workaround for that? Otherwise is it possible to setup exim to use clamd on a different server via tcp/ip? tia Regards -Lorenzo Quatrini ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 4.5 clamav update error
Lorenzo wrote: > Hi all, > I have a problem updating clamav on my mail server: > > Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamav > Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamd > Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamav > Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamd > > I'm using rpmforge repo on CentOS 4.5, everything else is up to date. You're using the rpmforge repository for CentOS 5 on CentOS 4.5. This will and cannot work. Ralph pgpo5AOMdc7Gk.pgp Description: PGP signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 4.5 clamav update error
Ralph Angenendt ha scritto: Lorenzo wrote: Hi all, I have a problem updating clamav on my mail server: Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamav Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamd Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamav Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamd I'm using rpmforge repo on CentOS 4.5, everything else is up to date. You're using the rpmforge repository for CentOS 5 on CentOS 4.5. This will and cannot work. Ralph Thank you Ralph, you are right. Today yum wasn't working with the automatic mirror (mirrorlist = http://apt.sw.be/redhat/el4/en/mirrors-rpmforge) so I changed rpmforge.repo to point to the file with the mirror-list wich was borrowed from a centos 5 setup; so the repo mixing... Thank you again for your help -Lorenzo ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos 4.5 clamav update error
Ralph Angenendt wrote: Lorenzo wrote: Hi all, I have a problem updating clamav on my mail server: Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamav Error: Missing Dependency: libc.so.6(GLIBC_2.4) is needed by package clamd Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamav Error: Missing Dependency: rtld(GNU_HASH) is needed by package clamd I'm using rpmforge repo on CentOS 4.5, everything else is up to date. You're using the rpmforge repository for CentOS 5 on CentOS 4.5. This will and cannot work. Ralph And, if that's not enough, it seems the repository is in overload at the moment... I can't get anything right now. You might want to wait a bit before trying. John Hinton ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Re: KDE-Repos
Am Montag, 10. September 2007 17:10 schrieb Lamar Owen: > This repository works fine. But, be aware that it replaces large portions > of your system, including system libraries. It doesn't touch the kernel, > which is one reason I use it on several desktops. It gives you a much > updated userland with the stable kernel base. But, if you across a bug in > one of the libraries KDE-Rehat replaces, you will hten need to take it up > with the KDE-Redhat maintainer and not file it as a bug report in CentOS. Thank you for your explainations. I will consider this. Timothy ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/9/07, David Hrbác( <[EMAIL PROTECTED]> wrote: > Bart Schaefer napsal(a): > > This is way off-peak time for us (middle of Sunday night PDT) so I > > suspect looking at this right now is not very useful, but: > > Please do report during peak and net issue time. We're having a spike right now. Doesn't look much different, though: # wc -l /proc/net/ip_conntrack 17141 /proc/net/ip_conntrack # fgrep -cv UNRE /proc/net/ip_conntrack 1310 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Boot problem with CENTOS 5
I had everything up and running. All of the help thus far was excellent. Thanks! I then did the updates that the OS prompted to do and selected reboot now once they completed. Now when the server reboots after the bios info I get the following when the OS starts to initialize: GRUB And it hangs there. How do I clear this? FIx this? Thanks in advance, Chuck ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] New RTL8111B Wiki Page
I've created a new CentOS wiki page for the Realtek RTL8111B and related NICs: http://wiki.centos.org/HardwareList/RealTekRTL8111b There's also a driver disk for CentOS 4.5 and 5.0. Kirk Bocek ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How to upgrade WBEL4 to CentOS4?
On Sat, 2007-09-08 at 01:03 -0400, Eric B. wrote: > Hi, > > I've got a couple of servers that are running WBEL4 that I would like to > upgrade to CentOS4. I noticed that there is a FAQ which explains how to > upgrade WBEL3 to CentOS3, but haven't found anything similar for WBEL4. > > Are the instructions for the WBEL3 upgrade the same for WBEL4? Should I be > doing something else instead? > > Any help would be greatly appreciated. The RHEL-5 to CentOS-5 advice quoted on http://wiki.centos.org/HowTos/MigrationGuide should be applicable: "All that you should need to do is install centos-release, remove redhat-release rpms and just yum update the machine, which should bring in all packages changed by CentOS ( since they will have a slightly higher E-V-R )." - per KaranbirSingh on centos-list Phil ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] package manager
On Sun, 2007-09-09 at 11:49 -0700, Dan Dansereau wrote: > How do I force the package manager to re-install a package? > > > > Such as Development - > Development Tools -> G77 > > > > Or the entire Development tools package? > > The G77 Is missing – and when I ask it to install – it states that is > already installed. Assuming you have satisfied the concerns Ignacio Vazquez-Abrams raised and still want to proceed... Change to the directory containing the package[s] and do: rpm -Uvh --force ... Note that this is pretty ugly and should only be necessary if things are messed up badly, such as when files have been manually removed outside the package management system, or when failed updates leave the RPM database corrupted. Phil ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Boot problem with CENTOS 5
On Mon, 2007-09-10 at 09:46 -0700, chuck wrote: > I had everything up and running. All of the help thus far was > excellent. Thanks! > > I then did the updates that the OS prompted to do and selected reboot > now once they completed. > > Now when the server reboots after the bios info I get the following > when the OS starts to initialize: > > GRUB > > And it hangs there. > > How do I clear this? FIx this? These recent posts may help: http://lists.centos.org/pipermail/centos/2007-August/085955.html http://lists.centos.org/pipermail/centos/2007-August/085958.html For more clues from the archives google "grub site:lists.centos.org". Phil ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Bart Schaefer wrote: > On 9/9/07, David Hrbác( <[EMAIL PROTECTED]> wrote: >> how many connections are on the router (/proc/net/ip_conntrack) ? > > This is way off-peak time for us (middle of Sunday night PDT) so I > suspect looking at this right now is not very useful, but: > > # cat /proc/net/ip_conntrack | wc -l > 15140 > # cat /proc/net/ip_conntrack | fgrep -v UNREPLIED | wc -l > 586 > >> what's the /proc/sys/net/ipv4/ip_conntrack_max > > # cat /proc/sys/net/ipv4/ip_conntrack_max > 65536 On top of that, i'd say that a PC, with whatever processor you could put, is able to service a certain amount of interrupts / second. Sometimes, you can have also cards / integrated peripherals that are sharing IRQs and have trouble with it. So in the case of a PC router, i'd go into the BIOS setup and disable all the integrated peripheral you don't use (LPT port, integrated sound card, etc). Maybe you already did this, i don't know. There are some ways to improve performance like what Cisco does: having line cards doing processing and getting pointers from the main supervisor card and dealing with traffic locally afterward. In our PC case here, this could translate into using at least TCP offloading and flow control (ethernet level). Also, consider that not all ethernet cards are equal and that using 802.1Q (trunking) also change the game. Good cards have features to deal with all this. Somebody mentioned pfSense. I use it and there is an option that can boost the performance: Using device polling instead of relying on interrupts generated by cards. I dunno if CentOS has this kind of option, the ethernet gurus of this list could provide important information on that. Hope this helped. Guy Boisvert, ing. IngTegration inc. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Guy Boisvert wrote: > > On top of that, i'd say that a PC, with whatever processor you could > put, is able to service a certain amount of interrupts / second. [Snip...] > Somebody mentioned pfSense. I use it and there is an option that can > boost the performance: Using device polling instead of relying on > interrupts generated by cards. I dunno if CentOS has this kind of > option, the ethernet gurus of this list could provide important > information on that. > > > Hope this helped. > > > Guy Boisvert, ing. I don't like replying to myself, but this paper could give you an idea of what's going on inside Linux: http://www.ist-scampi.org/events/workshop-2004/deri.pdf Regards, Guy Boisvert, ing. IngTegration inc. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/10/07, Guy Boisvert <[EMAIL PROTECTED]> wrote: > On top of that, i'd say that a PC, with whatever processor you could > put, is able to service a certain amount of interrupts / second. # cat /proc/interrupts CPU0 CPU1 0: 35564628 1398173774IO-APIC-edge timer 1: 3 0IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 8: 1 0IO-APIC-edge rtc 14:9807057 17139257IO-APIC-edge ide0 15: 2 0IO-APIC-edge ide1 16: 0 0 IO-APIC-level usb-uhci 18: 820860470 0 IO-APIC-level eth0 19: 8 2493787389 IO-APIC-level usb-uhci, eth1 23: 0 0 IO-APIC-level ehci-hcd NMI: 0 0 LOC: 1433915007 1433915017 ERR: 0 MIS: 0 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] is there an apache limit on submit size for centos 4 and 5
Is there a limit to the size of the form that apache will accept? I have a small import utility (not php - just straight cgi and C program). It will import smaller files. 350 Meg is the largest I successfully did. But a 6.5G file it will not do. Seems like the form does even submit. Is there a config option in apache that doesnt even accept it? I looked at /var/log/httpd/ error and access and nothing is there. Any ideas? Jerry ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
http://www.vyatta.com/download/ - runs on plain old PC hardware and it's touted as being a Cisco beater. -- Toby Bluhm Midwest Instruments Inc. 30825 Aurora Road Suite 100 Solon Ohio 44139 440-424-2250 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How to upgrade WBEL4 to CentOS4?
Phil Schaffner <[EMAIL PROTECTED]> wrote: > On Sat, 2007-09-08 at 01:03 -0400, Eric B. wrote: > > Hi, > > > > I've got a couple of servers that are running WBEL4 that I would like to > > upgrade to CentOS4. I noticed that there is a FAQ which explains how to > > upgrade WBEL3 to CentOS3, but haven't found anything similar for WBEL4. > > > > Are the instructions for the WBEL3 upgrade the same for WBEL4? Should I be > > doing something else instead? > > > > Any help would be greatly appreciated. I did this using those instructions some time back. Just substitute WBEL3 for WBEL4. The paths for the rpms were different is about the only thing if I remember correctly was what I had to change. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/9/07, Barry Brimer <[EMAIL PROTECTED]> wrote: > Maybe it is time for some kernel networking tuning. After doing a bit of research: http://www.acc.umu.se/~maswan/linux-netperf.txt http://wwwx.cs.unc.edu/~sparkst/howto/network_tuning.php http://proj.sunet.se/E2E/tcptune.html http://www.linuxguruz.com/iptables/howto/2.4routing-13.html http://www-didc.lbl.gov/TCP-tuning/linux.html I ended up with this: net.core.rmem_default = 873800 net.core.wmem_default = 655360 net.core.rmem_max = 8738000 net.core.wmem_max = 6553600 net.ipv4.tcp_rmem = 8192 873800 8738000 net.ipv4.tcp_wmem = 4096 655360 6553600 net.ipv4.tcp_mem = 195584 873800 8738000 (The first number in tcp_mem is the original default.) Plus: ifconfig eth0 txqueuelen 1000 ifconfig eth1 txqueuelen 1000 Unfortunately so far this doesn't seem to have made any difference. We've had a load peak going since early this morning and the traffic looks exactly like it did last week. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Nautilus won't start
I've been running CentOS 5 since release on a couple of servers with few problems. Last night I tried it as a workstation for the first time. It booted up fine and I could log into X. I then ran pup to install all available updates and shut down afterwards to load the new kernel. (I use yum on the servers.) This morning I start up on the new kernel and after logging in at the Gnome prompt, I get a message that Nautilus can't start. I'm not an X guru, being mostly a server driver over ssh. What's the best way to debug this? (I have lots of experience debugging, just not with X.) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
RE: [CentOS] Performance of CentOS as a NAT gateway
Bart Schaefer wrote: > > On 9/9/07, Barry Brimer <[EMAIL PROTECTED]> wrote: > > Maybe it is time for some kernel networking tuning. > > After doing a bit of research: > > http://www.acc.umu.se/~maswan/linux-netperf.txt > http://wwwx.cs.unc.edu/~sparkst/howto/network_tuning.php > http://proj.sunet.se/E2E/tcptune.html > http://www.linuxguruz.com/iptables/howto/2.4routing-13.html > http://www-didc.lbl.gov/TCP-tuning/linux.html > > I ended up with this: > > net.core.rmem_default = 873800 > net.core.wmem_default = 655360 > net.core.rmem_max = 8738000 > net.core.wmem_max = 6553600 > net.ipv4.tcp_rmem = 8192 873800 8738000 > net.ipv4.tcp_wmem = 4096 655360 6553600 > net.ipv4.tcp_mem = 195584 873800 8738000 > > (The first number in tcp_mem is the original default.) > > Plus: > > ifconfig eth0 txqueuelen 1000 > ifconfig eth1 txqueuelen 1000 > > Unfortunately so far this doesn't seem to have made any difference. > We've had a load peak going since early this morning and the traffic > looks exactly like it did last week. The only way your going to know for absolute sure where the bottleneck exists is to do a wireshark/tcpdump trace simultaneously on both sides. Then with that information you will know where the bottleneck is and armed with that you can start exploring why there is a bottleneck there. Off the top of my head, there could be a IP MTU mismatch somewhere and with ICMP disabled this would cause a blackhole for some full packet traffic. -Ross __ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Bart Schaefer wrote: Or are you saying that LAN-to-LAN traffic maxs out at 10Mbps, it is a little vague. LAN-to-gateway traffic (e.g., a test FTP of a large file from the gateway to a machine on one of the LANs) begins to degrade as the LAN-to-internet traffic increases. That's not surprising, but it degrades disproportionately, i.e. when the FTP begins to show intermittent stalls, the total traffic visible at the router on the internet side of the gateway is only in the just-over-10Mb/s range. Once we get to this point, no matter how many more LAN-to-internet connections become active, the router on the internet side never sees much over 10Mb/s of traffic. We're not losing data or having an unusual number of connection timeouts; each connection just slows down. We figured on some slowdown for NAT, but not 80%+. LAN-to-LAN traffic that doesn't involve the gateway behaves more like we'd expect, but I'm not sure that eliminates the switch as the culprit. How much 'other stuff' is happening on these networks (either side) that might be passed by the switches? It's a long shot but if you've assigned multiple IP addresses to the interface, the card is probably going into promiscuous mode to accept them all and then there will be interrupts and a small amount of CPU work to discard the ones you don't need. It might be worth firing up something like ntop for a while to categorize what's really going by - and you might find something like a virus trying to make connections as fast as it can. -- Les Mikesell [EMAIL PROTECTED] ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Speaking of MTU mismatches, don't forget that if you're using a PPPoE DSL line to adjust your MTU. Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: "Ross S. W. Walker" <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 16:35:59 To:"CentOS mailing list" Subject: RE: [CentOS] Performance of CentOS as a NAT gateway Bart Schaefer wrote: > > On 9/9/07, Barry Brimer <[EMAIL PROTECTED]> wrote: > > Maybe it is time for some kernel networking tuning. > > After doing a bit of research: > > http://www.acc.umu.se/~maswan/linux-netperf.txt > http://wwwx.cs.unc.edu/~sparkst/howto/network_tuning.php > http://proj.sunet.se/E2E/tcptune.html > http://www.linuxguruz.com/iptables/howto/2.4routing-13.html > http://www-didc.lbl.gov/TCP-tuning/linux.html > > I ended up with this: > > net.core.rmem_default = 873800 > net.core.wmem_default = 655360 > net.core.rmem_max = 8738000 > net.core.wmem_max = 6553600 > net.ipv4.tcp_rmem = 8192 873800 8738000 > net.ipv4.tcp_wmem = 4096 655360 6553600 > net.ipv4.tcp_mem = 195584 873800 8738000 > > (The first number in tcp_mem is the original default.) > > Plus: > > ifconfig eth0 txqueuelen 1000 > ifconfig eth1 txqueuelen 1000 > > Unfortunately so far this doesn't seem to have made any difference. > We've had a load peak going since early this morning and the traffic > looks exactly like it did last week. The only way your going to know for absolute sure where the bottleneck exists is to do a wireshark/tcpdump trace simultaneously on both sides. Then with that information you will know where the bottleneck is and armed with that you can start exploring why there is a bottleneck there. Off the top of my head, there could be a IP MTU mismatch somewhere and with ICMP disabled this would cause a blackhole for some full packet traffic. -Ross __ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Nautilus won't start
The first place I would start would be opening an xterm and trying to start Nautilus from the prompt. Look for any weird error messages. Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: Kenneth Porter <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 13:12:07 To:CentOS mailing list Subject: [CentOS] Nautilus won't start I've been running CentOS 5 since release on a couple of servers with few problems. Last night I tried it as a workstation for the first time. It booted up fine and I could log into X. I then ran pup to install all available updates and shut down afterwards to load the new kernel. (I use yum on the servers.) This morning I start up on the new kernel and after logging in at the Gnome prompt, I get a message that Nautilus can't start. I'm not an X guru, being mostly a server driver over ssh. What's the best way to debug this? (I have lots of experience debugging, just not with X.) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Nautilus won't start
--On Monday, September 10, 2007 10:19 PM + [EMAIL PROTECTED] wrote: The first place I would start would be opening an xterm and trying to start Nautilus from the prompt. Look for any weird error messages. I'm now suspecting a hardware issue. After a reboot I got the normal desktop. Now yum is mysteriously failing with a missing library. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/10/07, Bart Schaefer <[EMAIL PROTECTED]> wrote: > On 9/10/07, Guy Boisvert <[EMAIL PROTECTED]> wrote: > > On top of that, i'd say that a PC, with whatever processor you could > > put, is able to service a certain amount of interrupts / second. > > # cat /proc/interrupts Ok, so obviously just that snapshot wasn't very useful, sorry. Several minutes of "vmstat 2" output indicates that the number of interrupts per second on the NAT gateway ranges between 600 and 1200, occasionally as low as 540 or as high as 1300. (Working on getting wireshark in a place where we can monitor both ends.) ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Bart Schaefer wrote: On 9/10/07, Bart Schaefer <[EMAIL PROTECTED]> wrote: On 9/10/07, Guy Boisvert <[EMAIL PROTECTED]> wrote: On top of that, i'd say that a PC, with whatever processor you could put, is able to service a certain amount of interrupts / second. # cat /proc/interrupts Ok, so obviously just that snapshot wasn't very useful, sorry. Several minutes of "vmstat 2" output indicates that the number of interrupts per second on the NAT gateway ranges between 600 and 1200, occasionally as low as 540 or as high as 1300. (Working on getting wireshark in a place where we can monitor both ends.) wireshark can process and display packet capture files from tcpdump -w filename, or most any other packet capture utility, as well as capture data itself. capture a few megabytes of packets on the appropriate interface of the firewall, then transfer them to a workstation with Wireshark for analysis. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/10/07, John R Pierce <[EMAIL PROTECTED]> wrote: > wireshark can process and display packet capture files from tcpdump -w > > capture a few megabytes of packets on the appropriate interface of the > firewall, then transfer them to a workstation with Wireshark for analysis. OK, I've got some output from "tcpdump -w any" but I don't know precisely what I'm looking for. (I'd be happy to take this off-list.) I notice that just over 1/3 of the packets are TCP out-of-order segments and about 4% are duplicate ACKs. We also dumped eth0 and eth1 separately. Statistics on the "any" output show 26Mb/s, but eth0 and eth1 independently are only 10Mb/s each. By the way, those interrupts/sec numbers in my earlier message were off; I chose a bad moment to look at it, when the peak had subsided. At peak it's more like 2500-3000 interrupts/sec, sometimes as high as 3500. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Downgrade samba?
After reading http://lists.samba.org/archive/samba/2003-November/001828.html what would the best approach for downgrading samba-3.0.10-1.4E.12.2 to 2.7 on centos4, then later upgrading back to current? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Sr. Consultant10 West 24th Street #100- - +1 (443) 269-1555 x333Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, purge the message from your system and notify the sender immediately. Any other use of the email by you is prohibited. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
How about putting the file contents on pastebin and posting the link? Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: "Bart Schaefer" <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 18:31:31 To:"CentOS mailing list" Subject: Re: [CentOS] Performance of CentOS as a NAT gateway On 9/10/07, John R Pierce <[EMAIL PROTECTED]> wrote: > wireshark can process and display packet capture files from tcpdump -w > > capture a few megabytes of packets on the appropriate interface of the > firewall, then transfer them to a workstation with Wireshark for analysis. OK, I've got some output from "tcpdump -w any" but I don't know precisely what I'm looking for. (I'd be happy to take this off-list.) I notice that just over 1/3 of the packets are TCP out-of-order segments and about 4% are duplicate ACKs. We also dumped eth0 and eth1 separately. Statistics on the "any" output show 26Mb/s, but eth0 and eth1 independently are only 10Mb/s each. By the way, those interrupts/sec numbers in my earlier message were off; I chose a bad moment to look at it, when the peak had subsided. At peak it's more like 2500-3000 interrupts/sec, sometimes as high as 3500. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Downgrade samba?
My thoughts: Uninstall the current version using yum, grab the source tgz for the version for the version you want from samba, and compile it using --prefix=/usr/local/mysamba to put all of that ver in that directory. Then when you want to use the latest again delete the mysamba dir and install the new ver with yum. Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: "Jason Pyeron" <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 21:49:42 To:"'CentOS mailing list'" Subject: [CentOS] Downgrade samba? After reading http://lists.samba.org/archive/samba/2003-November/001828.html what would the best approach for downgrading samba-3.0.10-1.4E.12.2 to 2.7 on centos4, then later upgrading back to current? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Sr. Consultant10 West 24th Street #100- - +1 (443) 269-1555 x333Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, purge the message from your system and notify the sender immediately. Any other use of the email by you is prohibited. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] rpm spec files for ruby
James B. Byrne wrote: I am trying to package ruby-1.8.6 for CentOS-4.5 and I would like to take a look at the spec files used for ruby-1.8.1 that ships with CentOS. Is there any place that I can see these or could someone do me the kindness of sending them to me? there is a ruby-1.8.5 in the testing repo, it should be trivial moving that to 1.8.6. However, I must ask - why you are doing this ? -- Karanbir Singh : http://www.karan.org/ : [EMAIL PROTECTED] ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/10/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > How about putting the file contents on pastebin and posting the link? Unfortunately there's customer data in there that I'm not at liberty to make public. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Downgrade samba?
Jason Pyeron wrote: After reading http://lists.samba.org/archive/samba/2003-November/001828.html what would the best approach for downgrading samba-3.0.10-1.4E.12.2 to 2.7 on centos4, then later upgrading back to current? having read that message, i dont think its quite clear as to exactly why the newer versions dont work. You might want to spend a bit of time and confirm :) -- Karanbir Singh : http://www.karan.org/ : [EMAIL PROTECTED] ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
If you feel like learning sed ;) you can use it to filter out that data using regexp's and have it create a new file that can be publicly posted. Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: "Bart Schaefer" <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 19:26:51 To:"CentOS mailing list" Subject: Re: [CentOS] Performance of CentOS as a NAT gateway On 9/10/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > How about putting the file contents on pastebin and posting the link? Unfortunately there's customer data in there that I'm not at liberty to make public. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] apche vhosts ldap
Hi all, i am building a web server on centos version 4 running httpd-2.0.52 mysql we have a ldap server on the network which has got all the vhost details. so i am trying to pull vhost details from the ldap server could not find module vhosts ldap for centos. can some one please point me in the right direction any help is much appreciated. cheers phani ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
On 9/10/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > If you feel like learning sed ;) I suspect I've been scripting sed since you were about 7 years old. :-) I don't think even recent GNU sed is going to handle tcpdump output very well. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Re: Installerror on installation Kaffeine on CentOS 5
Akemi Yagi wrote: > On 9/9/07, Timothy Kesten <[EMAIL PROTECTED]> wrote: >> Hi Folks, >> >> I've tried to install kaffeine on CentOS 5 but I get following error >> >> Transaction Check Error: >> file /usr/share/mimelnk/application/x-mplayer2.desktop from install of >> kaffeine-0.7.1-1.2.el5.rf conflicts with file from package >> kdelibs-3.5.4-11.el5.centos >> >> Any hints to solve this problem? >> >> Delete/rename /usr/share/mimelnk/application/x-mplayer2.desktop ? > > Looks like a known bug and a newer version of kaffeine has corrected > the problem. Deleting the offending file does not help because it is > registered in the rpm database. Fedora Core 6 has kaffeine 0.8.4 > which does not have this problem. The best method is to get the src > file and rebuild from there. In this particular case, the Fedora > binary seems to install as is (but still not recommended). Or I can just build the sucker for EPEL-5. -- Rex ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Performance of CentOS as a NAT gateway
Scripting in sed for 20+ years? Masochist! :-) Geoff Sent from my BlackBerry wireless handheld. -Original Message- From: "Bart Schaefer" <[EMAIL PROTECTED]> Date: Mon, 10 Sep 2007 20:48:21 To:"CentOS mailing list" Subject: Re: [CentOS] Performance of CentOS as a NAT gateway On 9/10/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > If you feel like learning sed ;) I suspect I've been scripting sed since you were about 7 years old. :-) I don't think even recent GNU sed is going to handle tcpdump output very well. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Re: How to upgrade WBEL4 to CentOS4?
Eric B. spake the following on 9/7/2007 10:03 PM: Hi, I've got a couple of servers that are running WBEL4 that I would like to upgrade to CentOS4. I noticed that there is a FAQ which explains how to upgrade WBEL3 to CentOS3, but haven't found anything similar for WBEL4. Are the instructions for the WBEL3 upgrade the same for WBEL4? Should I be doing something else instead? Any help would be greatly appreciated. Thanks, Eric It should be similar. Just try substituting "4" for "3". You will find many converts from Whitebox here. Whitebox was great, but I think John has never had the time to get back into things since Katrina. I hear that the infrastructure in Louisiana is still very unstable. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Boot problem with CENTOS 5
Thanks. What is the best recovery disk out there? On 9/10/07, Phil Schaffner <[EMAIL PROTECTED]> wrote: > > On Mon, 2007-09-10 at 09:46 -0700, chuck wrote: > > I had everything up and running. All of the help thus far was > > excellent. Thanks! > > > > I then did the updates that the OS prompted to do and selected reboot > > now once they completed. > > > > Now when the server reboots after the bios info I get the following > > when the OS starts to initialize: > > > > GRUB > > > > And it hangs there. > > > > How do I clear this? FIx this? > > > These recent posts may help: > > http://lists.centos.org/pipermail/centos/2007-August/085955.html > http://lists.centos.org/pipermail/centos/2007-August/085958.html > > For more clues from the archives google "grub site:lists.centos.org". > > Phil > > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Boot problem with CENTOS 5
chuck wrote: Thanks. What is the best recovery disk out there? the appropriate CentOS DVD,/CD. `linux rescue` at grub. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] apche vhosts ldap
On Tue, 2007-09-11 at 12:58 +1000, Sunet Sysadmin wrote: > Hi all, > i am building a web server on centos version 4 running > httpd-2.0.52 > mysql > > we have a ldap server on the network which has got all the vhost > details. so i am trying to pull vhost details from the ldap server > could not find module vhosts ldap for centos. can some one please point > me in the right direction any help is much appreciated. > You could have a look at http://modldapcfg.bayour.com/ > cheers > phani > > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos To read FirstRand Bank's Disclaimer for this email click on the following address or copy into your Internet browser: https://www.fnb.co.za/disclaimer.html If you are unable to access the Disclaimer, send a blank e-mail to [EMAIL PROTECTED] and we will send you a copy of the Disclaimer. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
