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CentOS Based Linux Firewall Document
by pctech＠mybellybutton.com 06 Jun '07

06 Jun '07

I know that some of you from the list have asked me in the past for a copy of my CentOS based Linux Firewall document. There are also those that have no clue what I am talking about. This is for the former group... There is a new version of my document out. It's changed quite a bit since the last person asked me for it. Some of the changes are: * Updated the scripts in the Useful Shell Scripts section. * Changed the document format to reflect more of a professional document. * Added High Availability. * Many other small items. There is a complete changelog "built in" in the document, so you can compare it to the version that you already have to see what's changed. It's still a PDF, so you don't have to worry about having Word or OpenOffice to view it. Just as before, e-mail me at fwdoc(a)mybellybutton.com to request a copy of the latest version. Thanks.

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Error on CentOS 5
by Miguel Medalha 06 Jun '07

06 Jun '07

I just installed CentOS 5 on a computer. On boot, I get the a error message, related to 2 SATA disks. These errors did NOT appear on version 4.4 with the EXACT same hardware. Could someone please tell me what these error are and if there is some known way to prevent them? My configuration: - 2 Hitachi SATA 120 GB Harddisks - Intel P4 3GHz - Tyan Tomcat i875p motherboard - 1 GB ECC RAM - 2 Intel Gb NICs - 1 Intel 10/100 NIC Error message follows: --------------------------------------------------------------------- ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata1: EH complete SCSI device sda: 241254720 512-byte hdwr sectors (123522 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 241254720 512-byte hdwr sectors (123522 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error) ata2: EH complete SCSI device sdb: 241254720 512-byte hdwr sectors (123522 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back SCSI device sdb: 241254720 512-byte hdwr sectors (123522 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back --------------------------------------------------------------------- Thank you Miguel

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x display issue
by Dave 06 Jun '07

06 Jun '07

Hello, I've got a new Centos5 install and got x installed with gnome on it. The problem is the display looks awful and keeps flickering. It failed the monitor probe and doesn't have horizontal and vertical refresh rates in the xorg.conf file. I believe this is part or all of the issue, i took it down to 8-bitt color and 800x600 resolution, that didn't help. The video card is an sis 741/760 AGP integrated job, the monitor has no designation, except compaq. Does anyone know how i can find the values i need? Thanks. Dave.

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Trouble connecting to CentOS 5.0 host sound device from Windows guest on VMWare Workstation 5.5.4
by Mark Hull-Richter 05 Jun '07

05 Jun '07

I am running VMWare Workstation 5.5.4 on a CentOS 5.0 host (2.6.18-8.1.4 kernel) and I have been haiving some trouble with my sound device on the Guest Windows XP SP2 OS. When I first had trouble under CentOS 4.4, WS 5.5.3, it was usually when the sound device on the host was actually busy. However, now I can't use the sound device at all - I keep getting this error: "Failed to open sound device /dev/dsp: Device or resource busy Failed to connect virtual device sound." on EVERY attempt to connect to the CentOS native sound driver. I am running a few command windows, SeaMonkey and VW WS and nothing else. ps -ef reveals nothing about /dev/dsp and I'm not entirely sure where else to look. I had shut off the sound device (disconnected by default) because Windows likes to make noise and this routinely not only did not work, but it also kept interrupting everything I was doing with gnome windows announcing the above error. Now it just doesn't connect at all, no matter what the host is doing. Note: This is my work machine. At home I run VMWare Server 1.0.3 and only have this problem when the sound device is in fact busy (like I'm playing music or watching a video or something). I'd like to be able to run sound in the Windows guest.... -- Mark Hull-Richter DATAllegro (www.datallegro.com) 85 Enterprise, 2nd Floor, Aliso Viejo, CA 92656 Ofc: 949-680-3082 fax: 949-680-3001

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RE: [CentOS] Re: CentOS 5 Issues Booting Under VMWare
by pctech＠mybellybutton.com 05 Jun '07

05 Jun '07

Scott Silva spake the following on 6/5/2007 8:26 AM: > hkclark(a)gmail.com spake the following on > 6/5/2007 5:19 AM: >> Hi, >> >> VMWare has been a great tool for me to experiment with CentOS 3 and >> CentOS 4. However, I'm running into issues with CentOS 5. First, it >> is *extremely* slow to boot (as in it takes over an hour to boot >> CentOS 5 on a machine that boots CentOS 3 & 4 in less than one >> minute). Then, after an hour of slowly watching the messages go by on >> the console and the CPU of the host machine pegged at 100%, I get this >> error: >> >> VMware Workstation unrecoverable error: (vcpu-0) >> NOT_REACHED F(562):1742 >> A log file is available in ... >> >> I have done a "minimal install" of CentOS 5 (all checkboxes in the >> category/task selection screen are unchecked -- so to X-Windows >> involved) and the virtual machine has 750MB of RAM. I'm using VMWare >> Workstation 4.5 and the host OS is Windows XP Pro. I have not been >> able to install the VMWare tool since I can't get it to finish >> booting. >> >> Has anyone else run into this? I have seen some discussion on the >> list about VMWare and CentOS 5, but nothing that seemed to match what >> I'm running into. >> >> Thanks, >> Kennedy > I'm doing an install right now. I'll let you know my results. > > Disregard my input. I am running VMWare 5.4 not 4.5, so my tests are meaningless to you. ---------------------------------------------- I am running the free VMWare Server 1.0.3 and CentOS 5 seems to load fine for me. It loads up in a reasonable amount of time given that it is running on a workstation in a virtual session. What is the configuration of your VMWare session? I set mine up using mostly default choices. I did change the "system type" To RHEL 4 and I bumped the default RAM up to 512M. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!! _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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HP SureStore 40x6e - Multiple LUN's problem on CentOS 4.4
by Eric Solomon 05 Jun '07

05 Jun '07

This is one of those autoloaders where the tape drive and the library share a SCSI ID, but are on different LUN's - specifically the library should be on LUN 1. Apparently since so many devices like this are broken, recent kernels don't probe beyond the first LUN, so it's not detecting the library. My /proc/scsi/scsi output: Attached devices: Host: scsi4 Channel: 01 Id: 00 Lun: 00 Vendor: MegaRAID Model: LD 0 RAID1 70G Rev: 1L47 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi5 Channel: 00 Id: 05 Lun: 00 Vendor: HP Model: C5713A Rev: H910 Type: Sequential-Access ANSI SCSI revision: 02 I read somewhere that this shouldn't be a problem with RHEL 4, but I can't seem to get it detected. I tried to add options scsi_mod max_scsi_luns=6 to modprobe.conf and regenerated initrd - no change. Tried adding max_luns=6 max_report_luns=6 to the kernel line in grub.conf, no change. I tried to manually add it by doing: echo "scsi add-single-device 0 0 5 1" > /proc/scsi/scsi but again, no change. Any suggestions? Am I on the right track and just doing something wrong? I know recompiling the kernel is not the best thing, but not sure what to do here. Thanks. -- Eric Solomon Senior Unix Engineer Clickability ____________________________________ Simplifying Content Management 130 Battery Street, Suite 300 San Francisco CA 94111 Tel 415-575-5125 eric(a)clickability.com Fax 415-538-0839 http://www.clickability.com

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Centos 5 problems on Shuttle XPC
by Gernot Stocker 05 Jun '07

05 Jun '07

Hi, does somebody else experience booting problems after normal installation on SD32G2 based Shuttle systems. A CentOS 5.0 installation can be performed without any problems but after the first reboot the systems are just stopping the boot process after the grub is searching for the kernel. The last line is some- thing like: [ Linux-initrd @ 0x37db8000, 0x237858 bytes]. We tried already the newest update of the CentOS 5 kernel, the newest centosplus kernel and also FC6 kernel with always the same result. No error message, nothing! Unfortunately we have 15 machines of this type which should be installed with Linux ASAP (and no, I was not asked when somebody else has bought these machines). Every hint or experience with such system is welcome, thanks, Gernot -- Gernot Stocker, Institute for Genomics and Bioinformatics(IGB) Petersgasse 14, 8010 Graz, Austria Tel.: ++43 316 873 5345 http://genome.tugraz.at

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CentOS 4.4 with CrushFTP and Plesk 8.1
by Paul C 05 Jun '07

05 Jun '07

Does anyone have this combo working together or something close CentOS 4.4 with CrushFTP and Plesk 8.1 Would appreciate any setup tips No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.472 / Virus Database: 269.8.9/832 - Release Date: 4/06/2007 18:43

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mime-type change?
by James B. Byrne 05 Jun '07

05 Jun '07

I have a recently (last Friday) updated CentOS 4.5 desktop running OOo 2.2 that, since this morning, displays OpenOffice .odt files as application:x-java-archives and has replaced the open office icon on my desktop with the java icon for these files. I have looked in both: /usr/share/mime-info/gnome-vfs.mime and /usr/share/mime-info/file-roller.mime And cannot see any reference to OpenOffice v2 document types at all, or any relation between x-java-archives and odt extensions. What I find instead is this in /usr/share/mime-info/gnome-vfs.mime: ---> # OpenOffice 6.x document types application/vnd.sun.xml.calc ext: sxc application/vnd.sun.xml.calc.template ext: stc application/vnd.sun.xml.draw ext: sxd application/vnd.sun.xml.draw.template ext: std application/vnd.sun.xml.impress ext: sxi application/vnd.sun.xml.impress.template ext: sti application/vnd.sun.xml.math ext: sxm application/vnd.sun.xml.writer ext: sxw application/vnd.sun.xml.writer.global ext: sxg application/vnd.sun.xml.writer.template ext: stw ... application/x-java-archive ext: jar ear war <--- The 6.0 makes no sense to me at all, but as it is only a comment it does not harm I guess. My questions are: Where are the odt and similar OpenOffice v2 mime-types cataloged and why are they now associated with Java Archives? I had OOo2 documents presented by OOo icons earlier today, the change only appeared to happen when I moved some OOo documents off of my desktop and into another folder. Thanks, -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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Mgetty for out of band management - which modem?
by Nick 05 Jun '07

05 Jun '07

Hi, We're thinking of using Mgetty and a modem to allow us some out of band management access to sites if the ADSL connection fails... Just wondered if anyone had a recommended USB modem they've used on Centos/Mgetty as Hayes compatible serial modems seem to be quite rare these days?

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