Discuss January 2012

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222 participants
221 discussions

swap labeling annoyance
by m.roth＠5-cent.us 06 Jan '12

06 Jan '12

I just upgraded a blade server via rsync from another server. Rebuilt the initrd. It boots fine... except that it won't turn on the swap partition. Several times, I've made sure swap was off, then mkswap -L SWAP-sda3 /dev/sda3, but when I do swapon -L SWAP-sda3, it complains it can't find the device for the label. The only thing I find while googling, other than redoing what I've done several times now, is an old bug from CentOS 4, 0001399, which affected *only* blade enclosures: the reporter says that all of his IBM blades were affected (this isn't an IBM). His workaround was to make an ext2 fs, label it, and turn that into swap. Has anyone seen this recently, with 6.2? mark

4 4

yum warning...
by John Doe 06 Jan '12

06 Jan '12

Hey, From time to time I catch a yum warning. Last time it was today: # yum update ... Downloading Packages: vsftpd-2.2.2-6.el6_2.1.x86_64.rpm | 149 kB 00:01 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Warning: RPMDB altered outside of yum. Updating : vsftpd-2.2.2-6.el6_2.1.x86_64 1/2 Cleanup : vsftpd-2.2.2-6.el6_0.1.x86_64 2/2 Updated: vsftpd.x86_64 0:2.2.2-6.el6_2.1 Complete! How come a simple update of a a single package from CentOS update would "alter RPMDB outside of yum"...? Could that be a plugin? yum-3.2.29-22.el6.centos.noarch yum-metadata-parser-1.1.2-16.el6.x86_64 yum-plugin-fastestmirror-1.1.30-10.el6.noarch yum-plugin-priorities-1.1.30-10.el6.noarch yum-utils-1.1.30-10.el6.noarch Anyone else? Thx, JD

7 10

CentOS 6 and screenshot of website
by Jani Ollikainen 06 Jan '12

06 Jan '12

Hi, How one is supposed to do screenshots of a website with CentOS 6? The usual and normal ways I know doing it is: http://www.coderholic.com/pywebshot-generate-website-thumbnails-using-pytho… https://github.com/AdamN/python-webkit2png/ But then from some reason RedHat doesn't support them: gnome-python2-extras: * Thu Jul 15 2010 Christopher Aillon <caillon(a)redhat.com> - 2.25.3-20 - Drop the -gtkmozembed subpackage PyQt4: * Tue Jun 01 2010 Than Ngo <than(a)redhat.com> - 4.6.2-8 - Resolves: bz#597271, drop WebKit support in Qt Why-o-why? Any good ideas of going it differently? Noticed that one can take gnome-python2-extras source and add following lines based on el5 package .spec: %package -n gnome-python2-gtkmozembed Summary: Python bindings for interacting with gtkmozembed Group: Development/Languages Requires: gecko-libs >= %{gecko_version} %description -n gnome-python2-gtkmozembed This module contains a wrapper that allows the use of gtkmozembed via Python. %files -n gnome-python2-gtkmozembed %defattr(-,root,root,-) %{python_sitearch}/gtk-2.0/gtkmozembed.so %{_datadir}/gtk-doc/html/pygtkmozembed And get a package which seems to work, but still makes me wonder why have they removed the support work both of those techniques and which would be the way to archive that without need of compile own packages.

8 14

No eth0 on centos 6.2
by Jeff 06 Jan '12

06 Jan '12

Just installed centos 6.2. I run and ifconfig -a I see and em1 em2 and lo interface. If I go to /etc/sysconfig/network-scripts, I don't see an ifcfg-eth0. If I run ifup eth0 it comes back with "Device eth0 does not seem to be present, delaying initialization". Anybody have a clue? Thanks in advance.

4 5

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

4 7

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

2 2

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.

1 1

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

3 13

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

4 6

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.

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Discuss January 2012