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raw device change back to root after reboot
by mcclnx mcc 28 May '08

28 May '08

We are setup new DELL 6800 server fro Informix database. We create "raw" partitions and change "raw" partitions owner to "informix:informix". After reboot owner change back to "root". we don't have problem on CENTOS 3.X, but this problem happen on CENTOS 4.6. I double check "SELINUX" is "disable". does anyone know why it work on 3.X, but NOT on 4.6? do I need modify /etc/udev/permissions.d/50-udev.permissions? if "yes", anyone have sample? Thanks. 付費才容量無上限？Yahoo!奇摩電子信箱2.0免費給你，信件永遠不必刪！ - 馬上體驗！

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Question about delay pools
by Sergio Belkin 28 May '08

28 May '08

Hi, I configured delay pools on squid. I get the following from squidclient: Delay pools configured: 2 Pool: 1 Class: 1 Aggregate: Disabled. Pool: 2 Class: 1 Aggregate: Max: 187500 Restore: 187500 Current: -6 Memory Used: 624 bytes End of Output What does mean Current with a negative value? Thanks in advance -- -- Open Kairos http://www.openkairos.com Watch More TV http://sebelk.blogspot.com Sergio Belkin -

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Bind Help
by Joseph L. Casale 28 May '08

28 May '08

How does one include a view in another? I have a view which matches one client that I also want to be able to see the view right after, but it stops at its first match. Thanks! jlc

2 4

Problem accessing to Windows Terminal Server in load balancing.
by ArcosCom Linux User 28 May '08

28 May '08

Hi guys, I have this configuration: LAN -- LINUX BRIDGE -- LINUX BRIDGE -- TS The linux's bridges are for wifi purposes (2 centos machines) and is working fine. The problem I have is that the TS are 3 windows TS in load balancing configuration. There is 1 IP for general purposes and every TS has its own IP. For example, the configuration is: 192.168.0.1/24 TS1 192.168.0.2/24 TS2 192.168.0.3/24 TS3 192.168.0.10/24 (TS server IP for load balancing) The problem I encountered is that every PC into the LAN has access from the LAN to every TS (tested with ping), but them have no access to the IP for load balancing. I observed that all TSn IP's has their ARP entry in the ARP table, but the IP for load balancing not. How can I solve this problem at the bridge level? I think that there is something that the bridges are filtering and perhaps is because the TS load balancing software uses various "virtual macs" for the load balancing IP. Perhaps I must change any /proc/sys/net/ipv4/conf/<dev>/ file to bypass this filter, I'm thinking in "arp_ignore", put a "1" into it, but is a production environment and I don't want to loss the access to the devices. Any help?

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How to move my MBR
by Scott Moseman 28 May '08

28 May '08

I removed an ATA drive (/home) for a new SATA and my system would not boot. I'm guessing that it put the MBR on that drive instead of the drive that holds the / partition. What's the best way confirm where the MBR resides and, after I verify that's my problem, how I can move (or make a copy) onto a different drive? Thanks, Scott

4 9

IPChains
by Chris Heiner 28 May '08

28 May '08

How can I tell if its running? Where is the default location? Thanks..

3 3

smp falls back to up mode on quad core
by Julian Echave 28 May '08

28 May '08

Hi, I'm running Centos 5.1 on an Intel Quad 2 Core with four Q6600 processors. Despite Centos 5 supporting multiple cores (SPM), it doesn't seem to work for me: 1) a dmesg shows that only one processor is seen: "SPM alternatives: switching to UP code", etc. 2) file /proc/cpuinfo shows only one processor 3) top with option 1 (to toggle between seeing all processors or an average) shows only 1 processor. I've googled this, and other people have found this kind of trouble, but I was not able to find any solutions. By the way: I've installed windows xp to see if it was a bios problem, but windows sees the 4 processors just fine. Any ideas? Thanks, Julian.

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get widescreen 1280x800 for intel 965GM chipset
by Chen Xu 28 May '08

28 May '08

Dear All, I come from FreeBSD world. This is my first time setting up a CentOS on my laptop Dell Vostro 1400 with intel 965GM chipset. I am having problem here and need your help. I have 5.1 release installed. I have trouble to get 1280x800 resolution. The driver used is I810. I don't know if the chipset is too new for the xorg driver, and can anyone tell me if there is a fix, maybe with 915resolution? Any information is helpful. Thanks here in advance. -Chen

3 2

Secure iptables settings
by Joseph L. Casale 28 May '08

28 May '08

Is it feasible to write protect the /etc/sysconfig/iptables file so nothing can overwrite it, such that at least the config is persistent through a reboot? If not, is there a better way to accomplish this? Thanks! jlc

3 3

CPU temperature in an PowerEdge 860, LM85 chip
by Santi Saez 28 May '08

28 May '08

Dear Srs, I'm trying to monitor CPU temperatures in a PowerEdge 860 server, running CentOS 5.1 with 2.6.18-53.1.6.el5 kernel, using lm-sensors v2.10.0. Running "sensors-detect" I get: ====================================================================== (..) We can start with probing for (PCI) I2C or SMBus adapters. You do not need any special privileges for this. Do you want to probe now? (YES/no): Probing for PCI bus adapters... Use driver `i2c-i801' for device 00:1f.3: Intel ICH7 Probe succesfully concluded. We will now try to load each adapter module in turn. Load `i2c-i801' (say NO if built into your kernel)? (YES/no): Module loaded succesfully. (..) (..) Next adapter: SMBus I801 adapter at 08c0 Do you want to scan it? (YES/no/selectively): Client found at address 0x08 Client found at address 0x2e (..) (..) Probing for `National Semiconductor LM85 or LM96000'... Success! (confidence 7, driver `lm85') (..) (..) Client found at address 0x50 Probing for `SPD EEPROM'... Success! (confidence 8, driver `eeprom') Probing for `DDC monitor'... Failed! Probing for `Maxim MAX6900'... Failed! Client found at address 0x52 Probing for `SPD EEPROM'... Success! (confidence 8, driver `eeprom') Client found at address 0x60 Client found at address 0x69 (..) ====================================================================== This is the result of running "lm-sensors": ====================================================================== Driver `lm85' (should be inserted): Detects correctly: * Bus `SMBus I801 adapter at 08c0' Busdriver `i2c-i801', I2C address 0x2e Chip `National Semiconductor LM85 or LM96000' (confidence: 7) Driver `eeprom' (should be inserted): Detects correctly: * Bus `SMBus I801 adapter at 08c0' Busdriver `i2c-i801', I2C address 0x50 Chip `SPD EEPROM' (confidence: 8) * Bus `SMBus I801 adapter at 08c0' Busdriver `i2c-i801', I2C address 0x52 Chip `SPD EEPROM' (confidence: 8) ====================================================================== So, lm85 chip is correctly detected. Running "sensors" I get this output: ====================================================================== # sensors lm85-i2c-0-2e Adapter: SMBus I801 adapter at 08c0 V1.5: +0.00 V (min = +1.42 V, max = +1.58 V) VCore: +0.00 V (min = +1.03 V, max = +1.14 V) V3.3: +0.00 V (min = +3.13 V, max = +3.47 V) V5: +0.00 V (min = +4.74 V, max = +5.26 V) V12: +0.00 V (min = +11.38 V, max = +12.62 V) CPU_Fan: 0 RPM (min = 4000 RPM) ALARM fan2: 0 RPM (min = 0 RPM) ALARM fan3: 0 RPM (min = 0 RPM) ALARM fan4: 0 RPM (min = 0 RPM) ALARM CPU: +0Â°C (low = +10Â°C, high = +50Â°C) Board: +0Â°C (low = +10Â°C, high = +35Â°C) Remote: +0Â°C (low = +10Â°C, high = +35Â°C) CPU_PWM: 255 Fan2_PWM: 255 Fan3_PWM: 255 vid: +1.088 V (VRM Version 10.0) ====================================================================== Extraneous output, all temperature values returned are +0ºC, it's possible to monitor this motherboard sensors using lm-sensors? Also I have tried to monitor PowerEdge 860 using OpenIPMI, but I get: ====================================================================== # ipmitool sdr elist | grep -i temp Temp | 01h | ns | 3.1 | Disabled Planar Temp | 04h | ok | 7.1 | 28 degrees C Temp Interface | 53h | ns | 7.1 | Disabled ====================================================================== What means "Planar Temp"? And why "Temp" and "Temp Interface" params are disabled? Can I get CPU temperature with using IMPI? If I can't get temperatures using lm-sensors or OpenIPMI, what utility is available for Linux? thanks!! Regards, -- Santi Saez

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