Discuss August 2008

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271 participants
280 discussions

centos on intel D945GCLF board
by Janez Košmrlj 20 Aug '08

20 Aug '08

Hi, I am trying to install centos on the intel D945GCLF board. It's a mini-ITX board with the atom processor and it uses the Realtek RTL8102EL LAN chipset. When I disable the on-board LAN card it installs and runs OK, but when I enable it, I get kernel panic at boot. The board runs perfectlj with Fedora 9 (with the latest kernel) or with Ubuntu server. My question is: is there some way to run centos on this board (test kernel, i can try for example)?

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[Request] mod_auth_ntlm_winbind
by Morten Nilsen 20 Aug '08

20 Aug '08

http://adldap.sourceforge.net/wiki/doku.php?id=mod_auth_ntlm_winbind I have built an rpm for my own use, by grabbing the source files from sambas' web interface to cvs. It would be real neat to have it packaged and available through yum. -- Cheers, Morten :wq

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Re: [CentOS] Simple IPTABLES Question
by MHR 20 Aug '08

20 Aug '08

On Tue, Aug 19, 2008 at 5:04 PM, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > --On Tuesday, August 19, 2008 10:15 AM -0500 David Dyer-Bennet > <dd-b(a)dd-b.net> wrote: > >> That's the right general approach; duplicate the drop rule but with a LOG >> target and appropriate logging parameters. > > Another approach is to create a subchain that just logs and drops (no match > rules), and in your main chain you match on the desired packet and jump to > the subchain. That eliminates the need to maintain the same match in two > places, and reduces the number of rules a non-dropped packet has to pass > through. > Could you post a sample, using the OP's example as a base? Thanks. mhr

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Where is cached memory going?
by ABBAS KHAN 20 Aug '08

20 Aug '08

As by the time, I've learned that Linux works by caching apps by using a lot of RAM and then it reallocates the new stuff by cleaning the old cached pages from memory as compared to other OSs. With 2 gigs of RAM often I see the free memory only as 100-400MB. Using TOP or PS, it doesn't look like any program or process is using excessive memory (the highest process is seen with 1-2% total memory). *So, my questions are:* what programs are using that much of memory? (or cached memory) Is that really due to a lot of cache in the memory *if yes, then, is there a way to parse the cache to findout what applications are eating up the cache?* *how to free the cached memory?* *Currently, here are the details:* Top two high mem processes only using 2.6% of RAM. [root@Ether ~]# ps aux | sort -nrk4 | head -2 abbask 5922 0.0 1.4 364300 28312 ? S Aug19 0:00 /usr/bin/python -E /usr/bin/sealert -s ntop 4914 0.0 1.2 332752 24760 ? Ssl Aug19 0:00 ntop -d -L @/etc/ntop.conf [root@Ether ~]# head -5 /proc/meminfo MemTotal: 1913856 kB MemFree: 500612 kB Buffers: 169720 kB Cached: 751000 kB SwapCached: 0 kB [root@Ether ~]# free -m total used free shared buffers cached Mem: 1869 1380 488 0 165 733 -/+ buffers/cache: 480 1388 Swap: 1983 0 1983 *Total percentage memory for all the processes, being used is 15.5% only. *[root@Ether ~]# ps aux | awk '{print $4}' | grep [0-9] | tr -s "\n" "+" | awk '{print $1 0 }' | bc 15.5* *

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nash on centos 5.2
by Jerry Geis 20 Aug '08

20 Aug '08

I am trying to use nash on centos 5.2 to demonstrate the problem I did: cd /sbin ln -sf /sbin/nash sleep export PATH=/sbin:$PATH sleep 5 and I get an error. Red Hat nash version 5.1.19.6 starting nash cannot open 5: no such file or directory Why doesnt that work? Thanks, Jerry

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Re: [CentOS] wireless laptop configuration
by Toshaan Bharvani 19 Aug '08

19 Aug '08

Sorin Srbu wrote: From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Toshaan Bharvani Sent: Tuesday, August 19, 2008 2:42 PM To: centos(a)centos.org Subject: Re: [CentOS] wireless laptop configuration Steve Huff wrote: > > On Aug 19, 2008, at 5:04 AM, Sorin@Gmail wrote: > >> I'm using a 3Com 3CRWE154G72 IIRC, which according to the hwconf's using the >> prism54 driver/firmware/whatever. >> >> Would I maybe be better off reinstalling the whole shebang and have the >> wifi-card inserted from start in order for the centos installer to >> see it >> properly from the beginning? > > > before you do that, open a terminal, become root, and run > /usr/sbin/kudzu (while the wireless card is installed). that's the > program that does hardware detection; it may be able to sort out your > issue. > > -steve > or if kudzu for some reason doesn't cooperate (which is always on my system) become root run : /sbin/modprobe prism54 run : dmesg | tail and read whether it just says it has loaded the module (single line) or detected will output a wlanX statement and you are in business Isn’t it implied that since ”prism54” is listed in /etc/sysconfig/hwconf for the wifi-card that the module has been loaded already? Or is this some of the magical stuff that sometimes doesn’t happen for whatever reason? 8-) _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos /etc/sysconfig/hwconf is the file kudzu creates when of all detected hardware at startup and it related this hardware with drivers in the kernel but certain drivers are modules in the kernel, wich need to be loaded manually or later when the system is already running this can be done by method 1 explained here above or adding them in /etc/modprobe.conf which makes it load the modules at startup you will need to add the line (if it is not yet there) : alias wlan0 prism54 you can check whether the module is loaded with : /sbin/lsmod | grep prism54 _________________________________________________________________ Connect to the next generation of MSN Messenger http://imagine-msn.com/messenger/launch80/default.aspx?locale=en-us&source=…

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centos 5.2 booting thumbdrive
by Jerry Geis 19 Aug '08

19 Aug '08

Anyone have instructions or have been successful in booting centos 5.2 from an thumbdrive? I have instructions for centos 4 from http://fungliding.blogspot.com/2005_04_01_fungliding_archive.html and that worked. However, it doesnt seem to be working for centos 5.2. Thanks for any tips. Jerry

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Re: [CentOS] centos on intel D945GCLF board
by Toshaan Bharvani 19 Aug '08

19 Aug '08

Janez Ko�mrlj wrote: I tried yum update and it doesn't work with the newest kernel either. That's why I'm asking about a test kernel. Brett Serkez wrote: On Tue, Aug 19, 2008 at 9:38 AM, Janez Ko�mrlj <janezkosmr(a)volja.net> wrote: � I know that disabling the LAN in BIOS works. The problem is that I need the on-board card, since I am trying to build a home router and I need 2 LAN cards for that. And the board has only one PCI slot. �� I had a similar problem with a similar Intel� MB, it didn't crash at boot, but randomly crashed at run-time. With the LAN disabled, I did a yum update and then was able to re-enable the LAN with a newer kernel.� The system has been stable for several weeks with the newer kernel. Brett _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos � _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos if your /sbin/lspci output looks like this please try the following : Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E PCI Express Fast Ethernet controller(rev 01) Subsystem: Intel Corporation Unknown device d607 add the rpmforge repo (instructions here : https://rpmrepo.org/RPMforge/Using) then run : yum install dkms-r1000 reboot and hope it works otherwise just download the intel linux driver from the website and compile manually against your kernel I hope to receive mine somewhere next week, will try then again and let you know _________________________________________________________________ News, entertainment and everything you care about at Live.com. Get it now! http://www.live.com/getstarted.aspx

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Re: [CentOS] wireless laptop configuration
by Toshaan Bharvani 19 Aug '08

19 Aug '08

Steve Huff wrote: > > On Aug 19, 2008, at 5:04 AM, Sorin@Gmail wrote: > >> I'm using a 3Com 3CRWE154G72 IIRC, which according to the hwconf's using the >> prism54 driver/firmware/whatever. >> >> Would I maybe be better off reinstalling the whole shebang and have the >> wifi-card inserted from start in order for the centos installer to >> see it >> properly from the beginning? > > > before you do that, open a terminal, become root, and run > /usr/sbin/kudzu (while the wireless card is installed). that's the > program that does hardware detection; it may be able to sort out your > issue. > > -steve > or if kudzu for some reason doesn't cooperate (which is always on my system) become root run : /sbin/modprobe prism54 run : dmesg | tail and read whether it just says it has loaded the module (single line) or detected will output a wlanX statement and you are in business _________________________________________________________________ Connect to the next generation of MSN Messenger http://imagine-msn.com/messenger/launch80/default.aspx?locale=en-us&source=…

2 1

wireless laptop configuration
by Kevin Kimani 19 Aug '08

19 Aug '08

Hi, I have a wireless network but no wired network. I need to access the net for the necessary installation of the wireless drivers in CentOS 5.1. Could anyone let me know how i can go about it!! My card is Intel PRO/Wireless 3945

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Discuss August 2008