Discuss July 2009

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301 participants
277 discussions

Updating kernel driver module questions
by Robert Heller 25 Jul '09

25 Jul '09

I am running CentOS 4.7, presently on an older box (PIII slot 1 processor @ 500mhz with 384meg of RAM, using SCSI disks with an AHA-2940 host controller). I have built a new box: AMH Semporon 2.<mumble> GHZ, 2gig of RAM. I put in a AHA-29160 host controller (uses same driver as the AHA-2940). The motherboard is an ASROCK thing with nVideo's chipset: nv's SATA controller and nv's integrated network (forcedeth). I just did some tests with live CD and installer CDs for CentOS 4 and 5. It looks like the stock CentOS 4 kernel's achi and forcedth drivers don't really care for this board :-(. I bought a SATA DVD burner for this system -- it looks like I won't be able to use it unless/until I upgrade either the kernel or the whole O/S (eg to at least CentOS 5.3). I really don't want to go an upgrade to CentOS 5 at this time. Do I have any other options? I have the kernel-devel installed -- is it possible to 'steal' the sources for later kernel drivers and re-compile them for the kernel I am running? Are there other options available? -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller(a)deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/

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RAID problem when building new computer
by fred smith 25 Jul '09

25 Jul '09

Hi all! I'm building up a new box and plan to use Centos 5 on it. i've got a pair of SATA 320 GB drives to make a RAID1. I'm trying to follow the "howto" on the centos wiki for making a "partitionable RAID" installation. Given that my partition scheme has a separate /boot partition, while the one in the HOWTO apparently does not, I've had to tweak the steps just slightly. But they all succeed without any problems, including watching mdadm create the mirrored pair. however, when I pop out the DVD (booted in rescue mode, per the HOWTO) and reboot, it gets past the GRUB screen and gives me these errors: Mount: could not find filesystem '/dev/root' setuproot: moving /dev failed: no such file or directory setuproot: error mounting /proc: No such file or directory setuproot: error mounting /sys: No such file or directory switchroot: mount failed: No such file or directory Kernel panic - not syncing: Attempted to kill init! I have no idea what these errors mean. I assume they all cascade from whatever failure the first one is trying to inform me of. I don't see "/dev/root" anywhere in any of the config files I changed, per the HOWTO. I'd appreciate clues, hints, suggestions, etc. Thanks in advance! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ------------------------ ---- Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary, and his understanding no one can fathom. ----------------------------- Isaiah 40:28 (niv) -----------------------------

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Self signed certs, openssl dovecot
by Bob Hoffman 24 Jul '09

24 Jul '09

So, at wits end. Have gone back to plain text for pop3. I set up the ssl as per instructions but I always get a 'chain' error first time trying to receive mail with my mail client. Comes down I believe to the need to get a CA for dovecot's pem files or I will always get an error. Now I am thinking since I am self signing my own mail I should be able to make that intermediate crt file for dovecot....but have no idea the name or process for that one. I am not gonna pay 30 dollars to get a signed cert for my own mail, nor do I want to keep getting that error when my mail client opens up. So...anyone ever do a self signed cert with dovecot and went ssl pop3s? Millions of posts out there but no one has an answer. bummed

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A little more info
by Sam Drinkard 24 Jul '09

24 Jul '09

I forgot to mention this is an x86_64 machine. Sometime somewhere back several months ago, the centos plus kernel got installed, and I didn't notice it until just recently. It's not in use. I understand there are some i386 packages already installed, and at one point, I thought I had set yum up to only pull down the x8_64 packages, but I suppose something got changed in the yum.repos.d files somewhere along the way. Sam

2 1

Dependency problems
by Sam Drinkard 24 Jul '09

24 Jul '09

Below is output from yum update. Don't know when or what's caused the dependencies to go haywire with the apache or httpd stuff, but would appreciate pointers. The repos don't include rpmforge, only the standard CentOS repositories.# yum update Loaded plugins: fastestmirror, priorities, protectbase Loading mirror speeds from cached hostfile * base: centos.corenetworks.net * updates: mirror.anl.gov * addons: mirror.skiplink.com * extras: centos.corenetworks.net Excluding Packages in global exclude list Finished 0 packages excluded due to repository priority protections 0 packages excluded due to repository protections Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package samba-common.x86_64 0:3.0.33-3.7.el5_3.1 set to be updated ---> Package samba-client.x86_64 0:3.0.33-3.7.el5_3.1 set to be updated ---> Package kernel-headers.x86_64 0:2.6.18-128.2.1.el5 set to be updated ---> Package mod_ssl.x86_64 1:2.2.3-22.el5.centos.2 set to be updated ---> Package kernel.x86_64 0:2.6.18-128.2.1.el5 set to be installed ---> Package samba.x86_64 0:3.0.33-3.7.el5_3.1 set to be updated ---> Package httpd.x86_64 0:2.2.3-22.el5.centos.2 set to be updated --> Processing Dependency: httpd = 2.2.3-22.el5.centos.1 for package: httpd-devel ---> Package httpd-devel.x86_64 0:2.2.3-22.el5.centos.2 set to be updated ---> Package httpd-manual.x86_64 0:2.2.3-22.el5.centos.2 set to be updated --> Finished Dependency Resolution httpd-devel-2.2.3-22.el5.centos.1.i386 from installed has depsolving problems --> Missing Dependency: httpd = 2.2.3-22.el5.centos.1 is needed by package httpd-devel-2.2.3-22.el5.centos.1.i386 (installed) --> Running transaction check ---> Package kernel.x86_64 0:2.6.18-128.1.10.el5.centos.plus set to be erased --> Processing Dependency: httpd = 2.2.3-22.el5.centos.1 for package: httpd-devel --> Finished Dependency Resolution httpd-devel-2.2.3-22.el5.centos.1.i386 from installed has depsolving problems --> Missing Dependency: httpd = 2.2.3-22.el5.centos.1 is needed by package httpd-devel-2.2.3-22.el5.centos.1.i386 (installed) Error: Missing Dependency: httpd = 2.2.3-22.el5.centos.1 is needed by package httpd-devel-2.2.3-22.el5.centos.1.i386 (installed) # Main question is why is it looking for something from centos.1 ? Thanks.. Sam

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bizarre firefox/X11 problem on centos 5.3
by fred smith 24 Jul '09

24 Jul '09

I set up a Centos5 box at work a week or two ago. Today I had this bizarre, repeatable problem: fire up firefox 3.5.1, browse to centos.org, go to the wiki, click the HOWTO button at the top of the page, and either at that point, or a moment later when clicking the link for the RAID documents, KABOOOOMMM!!! X dies and you return to a login prompt. I did it at least three times. Not nice when I have other windows open with unsaved files open. This box has some nvidia card or other, but I've NOT installed the closed nvidia drivers. haven't looked, but I guess that means it's using the nv driver instead. Never seen that before, anybody else experienced it? -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

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rpm
by David Leon 24 Jul '09

24 Jul '09

Hi folks I'm trying to install amavisd-new on Centos 5.3. There is a lot of failed dependencies errors when I try to install it. My question is, there is a way to automatically get all the rpm dependencies I need and get them saved somewhere in my hard drive for future installations? I'm behind a squid proxy. Thanks in advance. David

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apache redirect rule
by David Hláčik 24 Jul '09

24 Jul '09

Hello guys, sorry for this OT, but It seems that I am a very stupid :(. I want to achieve one simple think in apache 2.2. If users will type extensions.polarion.com I want to redirect him to extensions.polarion.com/polarion/extensions However there are following rules that apply 1) extensions.polarion.com is an virtual host alias to community.polarion.com . There is a definition inside virtual host which redirects all / to /polarion using this RedirectMatch permanent ^/$ /polarion/ 2) what I want to achieve is to check if user comes from extensions.polarion.com and If so to redirect him to extensions.polarion.com/polarion/extensions I guess something like : RewriteCond %{HTTP_HOST} extensions.polarion.com RewriteRule / http://extensions.polarion.com/polarion/extensions/ Is this going to work? Thanks milion times. David

3 4

About NIDS software or hardware.
by Semih Gokalp 24 Jul '09

24 Jul '09

Hi all CentOS users. I have used the Snort on server for NIDS.It is connected to switch's SPAN port and server ethernet mode is promiscuous and it is analysing all network traffic and alert me all status. But i am searching other alternative for NIDS that it connectable to network area like Snort server.I found some hardware machine such as SonicWall,Barracuda etc.. but at the same time this hardwares are firewall and VPN UTM but only I am looking for NIDS alternative. Do you know which hardware can i use for NIDS ? I am waiting your advice and suggestion. -- Iyi calismalar.Basarilar... Semih Gokalp Istanbul/Turkiye

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ntp time server
by Andy Harrison 24 Jul '09

24 Jul '09

Currently, my time server is a Sun v240 with a 32-pci gps card (with a proprietary Solaris driver) attached to our gps receiver via an sma cable up to the roof of my building. As I'm migrating almost all of our Solaris servers and services over to CentOS, I'd like to know what other people are using for time server hardware. Any suggestions? -- Andy Harrison public key: 0x67518262

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Discuss July 2009