Discuss September 2011

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268 participants
254 discussions

OpenSSL Advisory affects Exim
by Always Learning 07 Sep '11

07 Sep '11

OpenSSL is one of the two available implementations of the TLS protocol in Exim. The other is GnuTLS. In the output of { exim -bV } is a line "Support for:"; if it does not include "OpenSSL" then you are not affected. The OpenSSL advisory covers two issues: (1) CVE-2011-3207: CRL validation with expired CRLs (2) CVE-2011-3210: TLS ephemeral ECDH crashes Read the rest at https://lists.exim.org/lurker/message/20110906.205555.cf73e2ac.en.html Centos 5.6 has Exim 4.63 and it has OpenSSL Regards, Paul.

1 0

hfsplus.ko
by Jerry Geis 06 Sep '11

06 Sep '11

Hey on Centos 5 hfsplus.ko is part of the Kernel: kernel-2.6.18-238.12.1.el5.x86_64 : The Linux kernel (the core of the Linux operating system) Repo : installed Matched from: Filename : /lib/modules/2.6.18-238.12.1.el5/kernel/fs/hfsplus/hfsplus.ko doing a yum provides "*/hfsplus.ko" on CentOS 6 finds nothing. What happened to hfsplus.ko on Centos 6? Thanks, Jerry

5 7

WINS server (nmbd) puzzle
by Kenneth Porter 06 Sep '11

06 Sep '11

My client Windows XP boxes are failing to register with my WINS server (running nmbd from Samba). I'm puzzled how to figure out what I'm doing wrong. Background: I'm setting up BackupPC to back up my Windows clients using rsync. I've installed cwRsync to the clients. BackupPC uses nmblookup to find the client's IP address given its Windows NETBIOS name. I'm distributing the WINS server address via DHCP and see it on the client using "ipconfig /all". I can run tcpdump on the server (filtering for this client and the NETBIOS port) and see the register/response sequence at UDP 137: MULTIHOMED REGISTRATION; REQUEST; UNICAST REGISTRATION; POSITIVE; RESPONSE; UNICAST REGISTRATION; REQUEST; UNICAST REGISTRATION; POSITIVE; RESPONSE; UNICAST If I signal the nmbd process with SIGHUP to make it dump its table to nmbd.log, I don't see client in the list. I do see the server and my Windows Active Directory server's records in the list, but no clients. nmblookup finds the client by broadcast (the client responds with the record) but nmblookup -U 127.0.0.1 says there's no record of it. (A query for the server's own record finds it, so I know the WINS service is at least working to that degree.) So why is nmbd not remembering client records?

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Re: [CentOS] Selinux extra packages and compiled apps
by John Doe 06 Sep '11

06 Sep '11

Russ herrold wrote: >> Quick question: do I really "need" to install the setools/setroubleshoot >> packages or can I live without them? They want to install 80 packages >> (gnome stuff, gstreamer, gtk, tcl/tk...) and I would like to avoid installing >> all sort of graphical tools/libs on my lean servers. >> Can I just install setools-console by example? > What does experiemntation with yum in a testing mode indicate > with the packageset on your box - dependency trees have an > effectively infinite number of permutations My question was more "do I really need this package to work with selinux?" I installed setools-console and so far it seems enough... So, can I skip setroubleshoot? >> If you know a must-have "selinux for dummies" like howto, apart from >> Redhat/Fedora doc or CentOS wiki > What is wrong with the article at: > http://wiki.centos.org/HowTos/SELinux Nothing wrong; I already read it, and will read the redhat doc... Just looking for all the doc I can find on the subject. And maybe also for the hidden secret magic button that will auto-write the hundreds custom policies we will need... Creating a custom policy for an apache to use a non standard rootdir or port seems indeed easy with audit2allow... But several of our servers are more or less 10% standard (rpm based) and 90% custom, with dozens of apps/scripts listening on dozens non standard ports, sockets, accessing many files here and there... So the task is a bit daunting. Thx, JD PS: Any one found/made a Zimbra policy module? ^_^

2 1

linux xfs
by Kaushal Shriyan 06 Sep '11

06 Sep '11

Hi, I get the below issue when i install CentOS 5.6 x86_64 on IBM x3650 M3 when i run "linux xfs" at boot prompt. Please suggest/guide. Regards Kaushal 20:14:50 INFO : moving (1) to step confirminstall 20:14:55 INFO : moving (1) to step install 20:14:55 INFO : moving (1) to step enablefilesystems 20:14:55 DEBUG : starting mpaths 20:14:55 DEBUG : self.driveList(): ['sda', 'sdb'] 20:14:55 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:14:55 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:14:55 DEBUG : done starting mpaths. Drivelist: ['sda', 'sdb'] 20:14:57 INFO : disk.commit() for /dev/sda 20:14:57 DEBUG : removing drive sda from disk lists 20:14:57 DEBUG : starting mpaths 20:14:57 DEBUG : self.driveList(): ['sda', 'sdb'] 20:14:57 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:14:57 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:14:57 DEBUG : done starting mpaths. Drivelist: ['sda', 'sdb'] 20:14:57 DEBUG : adding drive sda to disk list 20:14:57 INFO : formatting swap as swap 20:15:01 DEBUG : starting mpaths 20:15:01 DEBUG : self.driveList(): ['sda', 'sdb'] 20:15:01 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:15:01 DEBUG : DiskSet.skippedDisks: ['sdb'] 20:15:01 DEBUG : done starting mpaths. Drivelist: ['sda', 'sdb'] 20:15:01 DEBUG : adding drive sda to disk list 20:15:04 INFO : formatting / as xfs 20:15:04 CRITICAL: Traceback (most recent call first): File "/usr/lib64/python2.4/subprocess.py", line 996, in _execute_child raise child_exception File "/usr/lib64/python2.4/subprocess.py", line 550, in __init__ errread, errwrite) File "/tmp/treedir.24003/instimage/usr/lib/anaconda/iutil.py", line 51, in execWithRedirect stderr=stderr, preexec_fn=chroot, cwd=root) File "/tmp/treedir.24003/instimage/usr/lib/anaconda/fsset.py", line 471, in formatDevice stderr = "/dev/tty5") File "/tmp/treedir.24003/instimage/usr/lib/anaconda/fsset.py", line 1823, in formatEntry entry.fsystem.formatDevice(entry, self.progressWindow, chroot) File "/tmp/treedir.24003/instimage/usr/lib/anaconda/fsset.py", line 1900, in makeFilesystems self.formatEntry(entry, chroot) File "/tmp/treedir.24003/instimage/usr/lib/anaconda/packages.py", line 162, in turnOnFilesystems anaconda.id.fsset.makeFilesystems (anaconda.rootPath) File "/usr/lib/anaconda/dispatch.py", line 207, in moveStep rc = stepFunc(self.anaconda) File "/usr/lib/anaconda/dispatch.py", line 130, in gotoNext self.moveStep() File "/usr/lib/anaconda/gui.py", line 1156, in nextClicked self.anaconda.dispatch.gotoNext() File "/usr/lib/anaconda/iw/progress_gui.py", line 251, in renderCallback self.intf.icw.nextClicked() File "/usr/lib/anaconda/gui.py", line 1183, in handleRenderCallback self.currentWindow.renderCallback() RuntimeError: /usr/sbin/mkfs.xfs can not be run

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ICMPv6 messages of type RS
by Helmut Drodofsky 06 Sep '11

06 Sep '11

Hallo, as described by CISCO in http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_7-2/ipv6_aut… a router hast to send ICMPv6 messages of type RS to the all-router multicast group: ff02::1 and ff02::2 for stateless autoconfiguration. How can I activate this sending in CentOS? Best regards Helmut

3 3

Radeon driver under CentOS-6
by Timothy Murphy 06 Sep '11

06 Sep '11

I wonder if anyone has CentOS-6 working on an HP MicroServer? I'm having a problem with the graphics driver for the Radeon HD 4200 graphics card. CentOS-5.6 is working fine on this machine; but at present I only have CentOS-6 running in text mode. The graphics card as given by "/sbin/lspci -m" is ------------------------------- 01:05.0 "VGA compatible controller" "ATI Technologies Inc" "M880G [Mobility Radeon HD 4200]" "Hewlett-Packard Company" "Device 1609" ------------------------------- The Radeon related modules are ------------------------------- [tim@grover ~]$ lsmod | grep -i radeon radeon 798300 0 ttm 47134 1 radeon drm_kms_helper 32113 1 radeon drm 202185 3 radeon,ttm,drm_kms_helper i2c_algo_bit 5664 1 radeon i2c_core 31274 5 i2c_piix4,radeon,drm_kms_helper,drm,i2c_algo_bit ------------------------------- Under CentOS-5.6 the Radeon related modules are ------------------------------- [tim@grover ~]$ lsmod | grep -i radeon radeon 148193 0 drm 115561 1 radeon ------------------------------- Admittedly I have probably installed different packages in the two cases. I'm wondering if I could try the old radeon module, and if so how? Are there any documents that might help me determine the problem, and hopefully solve it? I don't see any errors listed in /var/log/messages, or in dmesg. Any suggestions or advice gratefully received. -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

2 3

CentOS 6 + XEN problem
by Rudi Ahlers 06 Sep '11

06 Sep '11

Hi, Does anyone know what version of XEN works fine with CentOS 6? I installed XEN on a CentOS 6 server, as per these instructions: http://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-howto/ And the server now gives this error on reboot: PANIC: early exception 0e rip 10:0 error 10 cr2 0 These are the packages that was installed: Installed: kernel-xen.x86_64 0:2.6.32.45-1 xen.x86_64 0:4.1.1-3.1 Dependency Installed: PyXML.x86_64 0:0.8.4-19.el6 SDL.x86_64 0:1.2.14-2.el6 kpartx.x86_64 0:0.4.9-31.el6_0.3 libXdamage.x86_64 0:1.1.2-1.el6 libXfixes.x86_64 0:4.0.4-1.el6 libXxf86vm.x86_64 0:1.1.0-1.el6 mesa-dri-drivers.x86_64 0:7.7-2.el6 mesa-libGL.x86_64 0:7.7-2.el6 xen-hypervisor.x86_64 0:4.1.1-3.1 xen-libs.x86_64 0:4.1.1-3.1 xen-licenses.x86_64 0:4.1.1-3.1 xen-runtime.x86_64 0:4.1.1-3.1 -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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Migration Assistance
by Brian Peters 06 Sep '11

06 Sep '11

Good Afternoon, I have been tasked with migrating a machine sitting on RHEL 5.6 off a rackspace cloud server to a local machine. In order to cut costs we would like to utilize Centos 5.6. I have done quite a bit of research and have as of yet been able to find a clear answer on how to accomplish this. I have installed Centos 5.6 locally and am in a time crunch to complete this. I am hoping that someone can explain how to achieve this requirement. I did create a .tar file of the / partition of the RHEL remote server and rsync'd it locally. Hopefully I can just copy certain files from this .tar file to the new machine. Any and all assistance is tremendously appreciated. Best. Brian

4 3

managing a rack full of centos servers
by John R Pierce 05 Sep '11

05 Sep '11

to date, I've done all my administration on a manual 1 at a time basis, as each system has been pretty much unique. its looking like I might need to setup a deployment of a dozen or 2 basically identical machines, all running pretty much the same sorts of stuff. I have zero experience with the sorts of management tools folks use to automate this type of configuration, both initial setup, and ongoing management (system updates, user application updates, configuration changes, etc). anyone care to suggest any such tools, maybe some real-world pros and cons? of course, being centos, I prefer FOSS tools. for various reasons, this environment likely will NOT be virtualized (although I may emulate a test setup with vmware). -- john r pierce N 37, W 122 santa cruz ca mid-left coast

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Discuss September 2011