Discuss November 2013

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160 participants
172 discussions

Wireless problems
by Krzysztof Szarlej 09 Nov '13

09 Nov '13

Hi guys, I have a problem with my Centos 6.4. I am experiencing a Wireless Disconnects, some time ago I had them constantly each 2-3minutes. After upgrading to new kernel (and other software from "Software Update" I am still exepriencing disconnects but every 10-15 minutes. It makes me angry because I am doing a lot of work with ftp servers. Card: *Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)* uname -r: *2.6.32-358.23.2.el6.i686* I Turned off ipv6 in */etc/sysctl.conf* Here is Log: ( I divided it into 2 stages) ---------------------------------------------------- Nov 8 14:10:01 mlody kernel: cfg80211: Calling CRDA to update world regulatory domain Nov 8 14:10:01 mlody NetworkManager[8817]: <info> (wlan0): supplicant connection state: completed -> disconnected Nov 8 14:10:01 mlody kernel: cfg80211: World regulatory domain updated: Nov 8 14:10:01 mlody kernel: cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Nov 8 14:10:01 mlody kernel: cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Nov 8 14:10:01 mlody kernel: cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Nov 8 14:10:01 mlody kernel: cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Nov 8 14:10:01 mlody kernel: cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Nov 8 14:10:01 mlody kernel: cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) ------------------------------------------------------- Nov 8 14:10:01 mlody NetworkManager[8817]: <info> (wlan0): supplicant connection state: disconnected -> scanning Nov 8 14:10:17 mlody NetworkManager[8817]: <info> (wlan0): device state change: 8 -> 3 (reason 11) Nov 8 14:10:17 mlody NetworkManager[8817]: <info> (wlan0): deactivating device (reason: 11). Nov 8 14:10:17 mlody NetworkManager[8817]: <info> (wlan0): canceled DHCP transaction, DHCP client pid 16791 Nov 8 14:10:17 mlody NetworkManager[8817]: <warn> Couldn't disconnect supplicant interface: Method "Disconnect" with signature "" on interface "fi.epitest.hostap.WPASupplicant.Interface" doesn't exist#012. Nov 8 14:10:17 mlody NetworkManager[8817]: <info> Auto-activating connection 'Auto Bulgarski Poscikk'. Nov 8 14:10:17 mlody NetworkManager[8817]: <info> Activation (wlan0) starting connection 'Auto Bulgarski Poscikk' ... first block: This appears and after several seconds then second block appear and the wifi is disconnected, right after it disconnects it tries to reconnect. *Regards!*

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IBM Storwize V3700 storage - device names
by Todor Petkov 08 Nov '13

08 Nov '13

Hello, I have IBM Storwize V3700 storage, connected to 2 IBM x3550 M4 servers via fiber channel. The servers are with QLogic ISP2532-based 8Gb Fibre Channel to PCI Express HBA cards and run Centos 5.10 When I export a volume to the servers, each of them sees the volume twice, i.e /dev/sdb and /dev/sdc, with the same size. Previously I have installed many systems with IBM DS3500 series of storage and the servers see one disk per export. I am using the MPP drives from this package: http://support.netapp.com/NOW/public/apbu/oemcp/apbu_lic.cgi/public/apbu/oe… I came upon the IBM site, saying to configure multipath (I never did it for DS3500 series). When I did, a new device came, /dev/dm-7, but my goal is to have one /dev/sdX type of device and no device mapper. I read that Storwize support DMP RDAC, and DS support MPP RDAC, but does anyone else have experience with such setup and can give an advice/hint? Thanks in advance.

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CentOS-announce Digest, Vol 105, Issue 6
by centos-announce-request＠centos.org 08 Nov '13

08 Nov '13

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chipsets etc to avoid for CentOS 6.x
by Devin Reade 08 Nov '13

08 Nov '13

It's time to purchase hardware again, and I'm going through the usual "of that which is on the market, what will CentOS run without leaving new hardware collecting dust for a year"? I'm looking at a number of commodity-grade machines (ie: desktop grade will suffice) with reasonably fast CPUs and able to use at least 8GB each (preferably 32GB). These will be deployed as software development systems in run mode 3 (ie: no real graphical requirement). Does anyone have suggestions, assuming a CentOS 6.x install, what CPUs/chipsets, etc, to avoid? (Or alternately, which ones still commonly on the market are fine?) I've typically stuck to Intel CPUs, and prefer Gigabyte or Intel motherboards. I'd prefer to minimize the likelihood of non-working or marginally-working hardware. I've had a look at the supported RHEL hardware list, but they typically just list Xeon-based machines. Thanks in advance. Devin

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3TB disk with 6.0.4 not booting
by Wes James 07 Nov '13

07 Nov '13

As you know I've been testing centos on an old mac pro. I have 1 disk left of 4 that I'm testing on. I had a 3TB disk and stuck it in and couldn't get centos to boot off of it. It would install, but not boot. I then got "old" disk 4 installed with it. Any idea why the 3TB disk doesn't work? I pulled out an os x 10.6.3 and that would install and boot. I resized the disk in osx and reinstalled centos, but centos still won't boot off the 3TB disk. Thanks, -wes

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Workaround for (EL6.4) rdesktop-1.6.0-10 Woe
by Cal Webster 07 Nov '13

07 Nov '13

rdesktop has been spewing error messages since the update to CentOS 6.4. Aside from the continuous stream of errors in the terminal window from which it was launched, there are a number of usability issues in the remote session. The pointer does not change shape when moving over various window components such as column separators, window borders, etc. The background doesn't refresh within scroll bars, making it difficult to tell where the scroll handle is. We've also found that MS Visio will crash and hang the remote system if run within rdesktop. Other strange phenomenon are also manifest in various applications. In short, rdesktop 1.6.0-10 is buggy and unstable. See this upstream bug report for more: Bug 914279 - regression in 1.6.0-10.el6: Mousepointer and selections not drawn properly https://bugzilla.redhat.com/show_bug.cgi?id=914279 We've been putting up with it, hoping that an update would be published upstream. Even though this issue is affecting customers upstream, as evidenced in the bugzilla report, a bug-fix update doesn't appear to be imminent. I decided to rebuild the Fedora 19 SRPM on CentOS to resolve the issue. It appears from the bugzilla remarks that others have done this trivially. With a few simple precautions, we've done just that. I'm sharing our work-around in the hope that it will benefit others in similar circumstances. This process assumes you have a build machine properly setup with an rpmbuild environment. If you don't, see this article: Set Up an RPM Build Environment under CentOS http://wiki.centos.org/HowTos/SetupRpmBuildEnvironment Note: Watch for line-wrap below. Best Regards, --Cal Webster =============[Rdesktop Workaround]============= ##>> Retrieve and install the CentOS source RPM: rpm -iv http://vault.centos.org/6.4/os/Source/SPackages/rdesktop-1.6.0-10.el6.src.r… ##>> Set aside the sources: [iseo@jato ~]$ cd rpmbuild/SOURCES/ [iseo@jato SOURCES]$ mkdir rdesktop-1.6.0-10 [iseo@jato SOURCES]$ mv *.patch rdesktop-1.6.0.tar.gz rdesktop-1.6.0-10/ ##>> Rename the CentOS spec file: [iseo@jato SOURCES]$ cd ../SPECS/ [iseo@jato SPECS]$ mv rdesktop.spec rdesktop.spec.centos ##>> Retrieve and install the Fedora source RPM from your favorite mirror: (watch for line-wrap in URL) rpm -iv http://mirror.linux.duke.edu/pub/fedora/linux/releases/19/Everything/source… ##>> Rename the Fedora spec file then use the CentOS spec file: [iseo@jato SPECS]$ mv rdesktop.spec rdesktop.spec.fc19 [iseo@jato SPECS]$ cp rdesktop.spec.centos rdesktop.spec ##>> Edit the CentOS spec file: Change version and release to reflect FC19 package Add version suffix to designate local RPM Remove original CentOS patch references and replace with those from FC19 Add comments in change log [iseo@jato SPECS]$ vi rdesktop.spec ----------------------------------- Version: 1.7.1 Release: 2%{?dist}.1.iseo ... Patch0: %{name}-libao.patch ... %prep %setup -q %patch0 -p1 -b .ao ... %changelog * Fri Nov 1 2013 Cal Webster <cwebster(a)bizec.rr.com> 1.7.1-2 - Latest version not available upstream - This version from FC19 - Fixes regression errors (NOT IMPLEMENTED RDP5 opcodes, get cursor, etc) - Fixes mouse cursor not changing and background showing through - Fixes freeze on remote system - See https://bugzilla.redhat.com/show_bug.cgi?id=914279 ----------------------------------- ##>> You might need to install pcsc-lite-devel if you get a build dependency error. It's not installed by default. [root@jato ~]# yum install pcsc-lite-devel ... Installed: pcsc-lite-devel.x86_64 0:1.5.2-13.el6_4 Complete! [root@jato ~]# ##>> You will also need to modify /usr/include/ao/ao.h to overcome this build error: ------------------------------------------------------ [iseo@jato rpmbuild]$ rpmbuild -ba --sign --clean SPECS/rdesktop.spec ... gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall -I/usr/include -pthread -I/usr/include/PCSC -DPACKAGE_NAME= \"rdesktop\" -DPACKAGE_TARNAME=\"rdesktop\" -DPACKAGE_VERSION=\"1.7.1\" -DPACKAGE_STRING=\"rdesktop\ 1.7.1\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DL_ENDIAN=1 -DHAVE_SYS_SELECT_H=1 -DHAVE_LOCALE_H=1 -DHAVE_LANGINFO_H=1 -DHAVE_SYSEXITS_H=1 -Dssldir= \"/usr\" -DHAVE_XRANDR=1 -DWITH_SCARD=1 -DEGD_SOCKET=\"/var/run/egd-pool \" -DWITH_RDPSND=1 -DRDPSND_LIBAO=1 -DHAVE_DIRENT_H=1 -DHAVE_DIRFD=1 -DHAVE_DECL_DIRFD=1 -DHAVE_ICONV_H=1 -DHAVE_ICONV=1 -DICONV_CONST= -DHAVE_SYS_VFS_H=1 -DHAVE_SYS_STATVFS_H=1 -DHAVE_SYS_STATFS_H=1 -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_MOUNT_H=1 -DSTAT_STATVFS=1 -DHAVE_STRUCT_STATVFS_F_NAMEMAX=1 -DHAVE_STRUCT_STATFS_F_NAMELEN=1 -DHAVE_MNTENT_H=1 -DHAVE_SETMNTENT=1 -DIPv6=1 -DKEYMAP_PATH= \"/usr/share/rdesktop/keymaps/\" -o orders.o -c orders.c rdpsnd_libao.c: In function 'libao_open': rdpsnd_libao.c:78: error: 'ao_sample_format' has no member named 'matrix' rdpsnd_libao.c: In function 'libao_set_format': rdpsnd_libao.c:117: error: 'ao_sample_format' has no member named 'matrix' make: *** [rdpsnd_libao.o] Error 1 make: *** Waiting for unfinished jobs.... error: Bad exit status from /var/tmp/rpm-tmp.wkIC6X (%build) RPM build errors: Bad exit status from /var/tmp/rpm-tmp.wkIC6X (%build) [iseo@jato rpmbuild]$ ------------------------------------------------------ ##>> Make a backup copy of ao.h: cp /usr/include/ao/ao.h /usr/include/ao/ao.h.orig ##>> Open ao.h in vi editor and search for the ao_sample_format type definition. Then add the "matrix" line at the bottom. vi /usr/include/ao/ao.h ----------------------- typedef struct ao_sample_format { int bits; /* bits per sample */ int rate; /* samples per second (in a single channel) */ int channels; /* number of audio channels */ int byte_format; /* Byte ordering in sample, see constants below */ char *matrix; /* channel input matrix */ } ao_sample_format; ----------------------- ##>> Make a copy of the modified ao.h in case it gets overwritten later: cp /usr/include/ao/ao.h /usr/include/ao/ao.h.withMatrix ##>> The build should now complete without incident: ---------------------------------------------------- [iseo@jato rpmbuild]$ rpmbuild -ba --sign --clean SPECS/rdesktop.spec ... Generating signature: 1005 Wrote: /home/iseo/rpmbuild/SRPMS/rdesktop-1.7.1-2.el6.1.iseo.src.rpm Generating signature: 1005 Wrote: /home/iseo/rpmbuild/RPMS/x86_64/rdesktop-1.7.1-2.el6.1.iseo.x86_64.rpm Generating signature: 1005 Wrote: /home/iseo/rpmbuild/RPMS/x86_64/rdesktop-debuginfo-1.7.1-2.el6.1.iseo.x86_64.rpm Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.JeWQeP + umask 022 + cd /home/iseo/rpmbuild/BUILD + cd rdesktop-1.7.1 + rm -rf /home/iseo/rpmbuild/BUILDROOT/rdesktop-1.7.1-2.el6.1.iseo.x86_64 + exit 0 Executing(--clean): /bin/sh -e /var/tmp/rpm-tmp.wRDJyS + umask 022 + cd /home/iseo/rpmbuild/BUILD + rm -rf rdesktop-1.7.1 + exit 0 [iseo@jato rpmbuild]$ ---------------------------------------------------- Your install RPM is in ~/rpmbuild/RPMS/{i386,x86_64}/ You can now copy the RPM to any CentOS 6.4 machine of the same architecture and update rdesktop. yum localupdate rdesktop-1.7.1-2.el6.1.iseo.x86_64.rpm -or- If you maintain a local, custom repo like we do just copy the rpm there and update your repo metadata so it'll be installed during the next update cycle. [root@pegasus ~]# yum list rdesktop Loaded plugins: downloadonly, fastestmirror, priorities, refresh-packagekit, : security Loading mirror speeds from cached hostfile * base: ftpserver 56 packages excluded due to repository priority protections Installed Packages rdesktop.i686 1.6.0-10.el6 @base Available Packages rdesktop.i686 1.7.1-2.el6.1.iseo localupdates [root@pegasus ~]# =============[/Rdesktop Workaround]=============

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echo 0> /selinux/enforce
by Wes James 07 Nov '13

07 Nov '13

When does echo 0 > /selinux/inforce need to be used? I.e., where is selinux enforcing itself on the system to protect it? When I do yum install of some package, it seems to work (not being blocked). When would doing something not work because selinux is watching it (or whatever that process is doing)? Thanks, -wes

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CentOS-announce Digest, Vol 105, Issue 5
by centos-announce-request＠centos.org 07 Nov '13

07 Nov '13

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. CESA-2013:X012 Xen4CentOS Medium kernel Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 6 Nov 2013 22:06:05 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:X012 Xen4CentOS Medium kernel Security Update To: centos-announce(a)centos.org Message-ID: <20131106220605.GA14468(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:X012 (Xen4CentOS) The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) ----------------------------- X86_64 ----------------------------- 2eb1022ec7ec2d508248c9c152e253aa72acfa08a155701d2791b1458766590a e1000e-2.5.4-3.4.68.2.el6.centos.alt.x86_64.rpm b65433fa683a36d998f2f660ebdd50d2550aaeafed911a03007649cdec6cf14c kernel-3.4.68-9.el6.centos.alt.x86_64.rpm 824fc0603b694bb586449a8afda87e13db86c07119d55660f731843f7e25e56a kernel-devel-3.4.68-9.el6.centos.alt.x86_64.rpm 44592adfc80413a69e7312b1e114184369c0dfedf61c66f3e7d9b773d8f8bff3 kernel-doc-3.4.68-9.el6.centos.alt.noarch.rpm 0cd7f0883d06c638e1326465a544d0725149418d60bf64e15f401a540d733bb8 kernel-firmware-3.4.68-9.el6.centos.alt.noarch.rpm ded3dc674c5ba0fa04b582cbc83543c8410c54dcdd3368a6254563e96ff8abab kernel-headers-3.4.68-9.el6.centos.alt.x86_64.rpm bd29ab597f081e63eda572b67ab5888508771d04ae40b5662ffde763ec15dee8 perf-3.4.68-9.el6.centos.alt.x86_64.rpm ----------------------------- Source: ----------------------------- 404eef04cf6ca1fb12a1e55946e67eafc26e0d73534a9c17f1738ad2f2a77f6a e1000e-2.5.4-3.4.68.2.el6.centos.alt.src.rpm c3dbddf3df8a85eea587c4b6d530f70ac106b6cf94cb7c01317ebbbdb629352a kernel-3.4.68-9.el6.centos.alt.src.rpm ===================================================== Kernel Changelog info from the SPEC file: * Tue Nov 05 2013 Johnny Hughes <johnny(a)centos.org> - 3.4.68-9 - upgraded to upstream 3.4.68 - added Source7 to fix centos bug 6721 e1000e Changelog info from the SPEC file: * Wed Nov 06 2013 Johnny Hughes <johnny(a)centos.org> - 2.4.14-3.4.68.2.el6.centos.alt - built against 3.4.68 - upgrade to version 2.5.4 ===================================================== The following kernel.org changelog entries are applicable since the last kernel update: https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.68 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.67 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.66 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.65 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.64 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.63 https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.62 ===================================================== The following bugs have been addressed in this release: http://bugs.centos.org/view.php?id=6721 ==================================================== The following security issues are addressed in this release: CVE-2013-0343: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0343 CVE-2013-2015: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2015 CVE-2013-2147: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2147 CVE-2013-2888: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2888 CVE-2013-2889: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2889 CVE-2013-2892: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2892 CVE-2013-2893: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2893 CVE-2013-2895: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2895 CVE-2013-2896: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2896 CVE-2013-4299: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4299 -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos at 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 105, Issue 5 ***********************************************

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Running MacOSX as VM under CentOS 5.10?
by Robert Heller 07 Nov '13

07 Nov '13

Is it even remotely possible to run MacOSX (or Darwin) as VM under CentOS 5.10 / xen? Or am I better off not even trying and just getting a MacMini or MacBook to just jack into my LAN? I just need a 'build box' and possibly something to do light testing (eg does the program run? Does the GUI come up?). I don't really have the *physical* room for an iMac, unless the screen is tiny. I can cross-build for MS-Windows using mgwin32 and I have VMs for CentOS 6, Fedora, Ubuntu, Debian, etc. Only MacOSX is missing from the 'mix'. -- Robert Heller -- 978-544-6933 / heller(a)deepsoft.com Deepwoods Software -- http://www.deepsoft.com/ () ascii ribbon campaign -- against html e-mail /\ www.asciiribbon.org -- against proprietary attachments

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syslog-ng or rsyslog?
by Rafał Radecki 06 Nov '13

06 Nov '13

Hi All. I've used syslog-ng for some time. I like it. I have a project in which I need to choose a central logging solution. What are your experiences with rsyslog? Is it more complex to setup than syslog-ng? Or maybe does it have some additional features? I am also thinking about using some gui tools for log parsing and graphing. May be proprietary/paid. Any suggestions? Best regards, Rafal.

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Discuss November 2013