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Re: [CentOS] A simplistic parental-control setup
by Marko Vojinovic 06 Jan '12

06 Jan '12

On Wednesday 04 January 2012 18:04:43 Frank Cox wrote: > On Wed, 04 Jan 2012 23:58:17 +0000 Marko Vojinovic wrote: > > The point is that I need a simple, easy-to-implement, easy-to-configure > > and easy-to-maintain solution for this particular usecase. > > Put the disallowed addresses into your /etc/hosts file and associate those > addresses with whatever you want them to resolve to. Hmm... that sure looks simple enough. :-) I'll give it a try, thanks! Best, :-) Marko

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rsyslog server cannot get the logs
by YunQiang Su 06 Jan '12

06 Jan '12

I have an rsyslog server which is running Debian Stable, and its version of rsyslog is 4.6.4-2. All of my Debian Stable server can send log to it now. and run both nc $IP $PORT <<< "HELLO" and echo "HELLO" | nc $IP $PORT on client, I can get log on the server. While for my CentOS 5.7 server, nc $IP $PORT <<< "HELLO" works well, but echo "HELLO" | nc $IP $PORT can not work. tcpdump shows that it can get both of the 2 "HELLO" from server. And I can not get log both by log file or tcpdump. *.* @@IP:PORT

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Kernel panic after install in cento6 before mounting root file system rw
by Jason Pyeron 06 Jan '12

06 Jan '12

I am hopelessly trying to debug a new install of 6.2 x86_64. I used the minimal install with default options. Unfortunately the screen garbles during the kernel panic. Scroll/Num lock lights are blinking. 1. Where can I find debugging steps? (tried rescue and mount to read /var/log, but no values written since it is still in RO mode) 2. Where are the keyboard blink codes documented? -Jason -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.

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c6, LSI megaraid drive failure notification
by John R Pierce 05 Jan '12

05 Jan '12

i'm configuring a storage server with CentOS 6.2, it uses a LSI MegaRAID SAS controller, I'm using LSI's megacli to configure the storage... Any ideas on how to get drive failure notifications out of this system? I'm configuring hot spares but I'd still like some sort of notification when a drive has failed so the spare can be replaced. -- john r pierce N 37, W 122 santa cruz ca mid-left coast

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Serial port driver on CentOS 6
by Alfred von Campe 05 Jan '12

05 Jan '12

I installed CentOS 6 on a Dell Optiplex 790 with a StarTech.com dual serial port card, and the serial ports aren't being recognized. According to dmesg, only the built-in serial port is being recognized: # dmesg | fgrep ttyS serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A And lspci -v doesn't show that any drivers are loaded for it: # lspci -v [snip] 03:00.0 Serial controller: NetMos Technology PCIe 9922 Multi-I/O Controller (prog-if 02 [16550]) Subsystem: Device a000:1000 Flags: fast devsel, IRQ 16 I/O ports at 2010 [size=8] Memory at e1a30000 (32-bit, non-prefetchable) [size=4K] Memory at e1a20000 (32-bit, non-prefetchable) [size=4K] Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [78] Power Management version 3 Capabilities: [80] Express Legacy Endpoint, MSI 00 Capabilities: [100] Virtual Channel <?> Capabilities: [800] Advanced Error Reporting 03:00.1 Serial controller: NetMos Technology PCIe 9922 Multi-I/O Controller (prog-if 02 [16550]) Subsystem: Device a000:1000 Flags: fast devsel, IRQ 17 I/O ports at 2000 [size=8] Memory at e1a10000 (32-bit, non-prefetchable) [size=4K] Memory at e1a00000 (32-bit, non-prefetchable) [size=4K] Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [78] Power Management version 3 Capabilities: [80] Express Legacy Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting What do I need to do to get these serial ports recognized? On some other CentOS 6 systems with StarTech.com serial cards they were automatically recognized (different hardware and not PCIe based). Thanks, Alfred

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Centos 6.X compatible to ORACLE DB verssion????
by mcclnx mcc 05 Jan '12

05 Jan '12

Does anyone know CENTOS/Redhat 6.X compatible to ORACLE software (X86 and X86_64) version like 9.X, 10GR2, 11G and 11GR2. Any official document say that? Thanks.

11 27

turning off udev for eth0
by James B. Byrne 05 Jan '12

05 Jan '12

I have set up a kvm host and configured a standard clone prototype for generating new guests. One persistent (pun intended) annoyance when cloning is the behaviour of udev with respect to the virtual network interface. The prototype is configured with just eth0 having a dedicated IP addr. When the prototype is cloned udev creates rules for both eth0 and eth1 in the clone. Because eth1 does not exist in the cloned guest one has to manually edit /etc/udev/rules.d/70-persistent-net.rules to get rid of the bogus entries and then restart the clone instance to have the changes take effect. All this does is return the new guest to the prototype eth0 configuration. Is there no way to alter udev's behaviour? Is udev even needed on a server system using virtual hardware? Altering the rules file not a big deal in itself but it adds needless busywork when setting up a new guest. -- *** 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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Corrupt mbr and disk directory map
by Billy Davis 05 Jan '12

05 Jan '12

We are running Centos 5.6. All was fine until yesterday. I attempted to tar a 14KB work file to a USB floppy (/dev/sdb) for transport to another server. Unfortunately, I keyed in 'tar cvf /dev/sda filename' instead of 'tar cvf /dev/sdb filename'. /dev/sda is our main (boot/root/apps) scsi hard drive. I realized my mistake, but it was too late. The system is still powered up and running, but I am sure that I have overlaid (and trashed) the mbr and the disk directory map. When I run the 'fdisk /dev/sda' command, the console displays: "Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel. Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable." When I run grub and enter 'find /grub/stage1', the console displays "Error 15: File not found" I suspect that when I power the system down, it will not reboot. I can reinstall mbr and grub, but I don't have the original partition table start/end values. Since the system is still running, it seems that the partition table must still be available to it from somewhere. Is there any way to easily restore the partition table? The system is completely backed up and can be restored if necessary, but I prefer a quick and simple solution, if possible. Any ideas? Thanks

3 4

selinux context for mm-handler?
by Paul Heinlein 05 Jan '12

05 Jan '12

I've got a Mailman installation running on CentOS 4 that I'd like to migrate to a CentOS 6 box. My big obstacle at present is getting Mailman's mm-handler Perl script to run as a Sendmail local mailer with SELinux enabled. I've tried changing mm-handler's selinux context type a few times, but nothing has resulted in success: context result ------------------- ----------------------------------------- etc_mail_t sendmail can't execute mm-handler mailman_mail_exec_t mm-handler can't load perl modules bin_t mm-handler can't read Mailman data sendmail_exec_t mm-handler can't read Mailman data I'm willing and able to whip up a local policy modification, but I thought I'd ask if there's a standard solution to this problem; my Google searches have so far proven ineffective at providing pointers to an answer. -- Paul Heinlein <> heinlein(a)madboa.com <> http://www.madboa.com/

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CentOS-announce Digest, Vol 83, Issue 2
by centos-announce-request＠centos.org 05 Jan '12

05 Jan '12

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2012:0002 CentOS 5 gnome-screensaver Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 5 Jan 2012 14:28:46 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0002 CentOS 5 gnome-screensaver Update To: centos-announce(a)centos.org Message-ID: <20120105142846.GA21742(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0002 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0002.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 3e54b38e91dd4095ec5552733306535d993a51b4678c2a1db5dbbec91b13256f gnome-screensaver-2.16.1-8.el5_7.4.i386.rpm x86_64: 83d89da2e6cb1e777858a981d9dc72244b068d86adb427832325242c063b88ee gnome-screensaver-2.16.1-8.el5_7.4.x86_64.rpm Source: d3efc85e6d01e35f04509fd7986e2433a391020e01f35805cac13b0243287b00 gnome-screensaver-2.16.1-8.el5_7.4.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 83, Issue 2 **********************************************

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