Discuss January 2015

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Re: [CentOS] (py)curl error 7
by Mateusz Guz 13 Jan '15

13 Jan '15

Our network admin blocked ports (don't know why - i asked him 2 weeks before I started to troubleshoot the system). Everything is fine now, thanks for help. -----Original Message----- From: Mark Milhollan [mailto:mlm@pixelgate.net] Sent: Monday, December 29, 2014 9:21 PM To: Mateusz Guz Subject: RE: [CentOS] (py)curl error 7 On Mon, 29 Dec 2014, Mateusz Guz wrote: >Ip -6 a shows no output > >after "visual" inspection i don't see any ipv6 addresses assigned to my eth interfaces > >On Mon, 29 Dec 2014, Mateusz Guz wrote: >>On Sun, 28 Dec 2014, Mark Milhollan wrote: >>>On Fri, 26 Dec 2014, Mateusz Guz wrote: > >>>>created /etc/modprobe.d/ipv6_disable.conf file with >>>>alias net-pf-10 off >>>>alias ipv6 off >>>>options ipv6 disable=1 >>> >>>These only take effect if you reboot or unload the modules manually. >> >>Tryning not to reboot, when unloading I get the message that the modules is in use. >>I think that forcing the unload is too dangerouse, read that it might resolve in kernel panic. > >Forcing an unload wouldn't be wise. You must stop using the module then >you can unload it. Busy usually means you have IPv6 addresses on some >interfaces -- ip -6 addr flush dev ethX. > > >/mark > Sorry, you'll have to find where else you are using IPv6. /mark

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CentOS-announce Digest, Vol 119, Issue 4
by centos-announce-request＠centos.org 13 Jan '15

13 Jan '15

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-2015:0029 CentOS 7 httpd BugFix Update (Johnny Hughes) 2. CEBA-2015:0026 CentOS 5 openssl BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 12 Jan 2015 13:51:58 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:0029 CentOS 7 httpd BugFix Update Message-ID: <20150112135158.GA54491(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:0029 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-0029.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 744f3338e01129ad7500c508aa7bdf8100dc1453e0de0921dc41390117088995 httpd-2.4.6-19.el7.centos.x86_64.rpm 79ad55851e9d1145e9ae968b1abe16a1f0d73c16086516fede81f80e3f35180d httpd-devel-2.4.6-19.el7.centos.x86_64.rpm 95242c4f7142243dbfb68be4c1c8b76b7160f65e3c9c06db239222466ea25aa7 httpd-manual-2.4.6-19.el7.centos.noarch.rpm 133ba146ad0e551467c55afe4387250035f07c9957843c282104c62d45fae90b httpd-tools-2.4.6-19.el7.centos.x86_64.rpm 9e781c17c1a914b8cf59bb38d894154a42b1545c1df30cf3d9ec53b2452ac541 mod_ldap-2.4.6-19.el7.centos.x86_64.rpm a62c536476780783e782f408e2443df1a6a88d9a83343b8f647e7ec6b0acd93f mod_proxy_html-2.4.6-19.el7.centos.x86_64.rpm 8cdcaa691924aecdc7827bf0d752e9c42ef03d67ee84166301174cf3fb468ee7 mod_session-2.4.6-19.el7.centos.x86_64.rpm 48cb1fd76d126ed5484820b1db9818a5f2ca9a83ee5ccab3a981d43c1b673468 mod_ssl-2.4.6-19.el7.centos.x86_64.rpm Source: 8dd954944e236efb90c390003531eb9e843ae90fb8c7e6412c6c8ee06de68164 httpd-2.4.6-19.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 12 Jan 2015 15:42:05 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:0026 CentOS 5 openssl BugFix Update Message-ID: <20150112154205.GA25606(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:0026 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-0026.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: c51d4d7112d8378dfe6a0c2db25cbd354add6719d32b8ed9ff0a360a2c4f2845 openssl-0.9.8e-32.el5_11.i386.rpm 8aa95692d839bedf943ed731773b6ee508d5c32093cacfb5876f0d0ca3e19704 openssl-0.9.8e-32.el5_11.i686.rpm 8db507128fe18d9e2649097753f0d65342ccb8117d34d16b9d4effcd1519f2bc openssl-devel-0.9.8e-32.el5_11.i386.rpm fb599d51d7c0a6c5bccd3548fa76b820e84b82c266615c2814b52e8b466a3752 openssl-perl-0.9.8e-32.el5_11.i386.rpm x86_64: 8aa95692d839bedf943ed731773b6ee508d5c32093cacfb5876f0d0ca3e19704 openssl-0.9.8e-32.el5_11.i686.rpm 289f5940753e6d3942a4ddf12c96f0f3b37685eccf5ca1709ccb46c620fed2d2 openssl-0.9.8e-32.el5_11.x86_64.rpm 8db507128fe18d9e2649097753f0d65342ccb8117d34d16b9d4effcd1519f2bc openssl-devel-0.9.8e-32.el5_11.i386.rpm 203860bd05d32689b27f615bf5e9ccd3a41329fe8adc420c883f479437db11ee openssl-devel-0.9.8e-32.el5_11.x86_64.rpm e0eda057349ff33bb14189da006aab9e9eda2b5a14c1efe351e1728e2ca5db4e openssl-perl-0.9.8e-32.el5_11.x86_64.rpm Source: c26a2660f5e767c292e4eac69840ad29e83ee39966d6379fdba633d2a6696cf0 openssl-0.9.8e-32.el5_11.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 119, Issue 4 ***********************************************

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socks5 server software?
by Les Mikesell 12 Jan '15

12 Jan '15

What is the state of the art for socks5 server software? I need to replace a very old proxy system. 'Yum search' and google aren't turning up any clear winners unless '3proxy' is the thing you would run on CentOS7. -- Les Mikesell lesmikesell(a)gmail.com

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Re: [CentOS] Design changes are done in Fedora
by James B. Byrne 12 Jan '15

12 Jan '15

On Fri, January 9, 2015 17:36, John R Pierce wrote: > On 1/9/2015 2:32 PM, Always Learning wrote: >> Enterprise, in the RHEL context, suggests stability or have I >> misunderstood the USA definition of "Enterprise" ? > > > Enterprise to me implies large business Enterprise literally means 'undertaking'. It has been used euphemistically since the later 1980s as a code word for associations having a legally recognised form that operate for some sensibly describable outcome. So one has large, medium and small enterprises, not-for-profit enterprises, commercial enterprises, social enterprises and so forth. > Businesses that don't adapt to external changes become fossils > and die off. The greatest threat to the survival of any organism or organisation is a change to its environment. It is because of this that widespread adoption of so much innovation is delayed using societal pressure. This is not done entirely out of narrow self-interest but from a sensible appreciation of the limits to the speed at which people can adapt to change. As is noted elsewhere, change is inevitable. But there are many kinds of change. For instance, there is the change wrought by sudden and dramatic increases in productivity. How many here are cognisant of the fact that the O2 steel making process introduced in the 1950s lowered the labour content of a Tonne of steel by three orders of magnitude? Without that single change much of what we invisibly accept as part of the urban landscape today would not exist. Without that change it is likely that Bethlehem and Republic would still be in business. Without that change hundreds of thousands would still be employed in the steel mills of North America. Then there is fashion. An enterprise has its hands full with just dealing with the former type of change. It can ill afford to waste resources on the later. With respect to RHEL7 the question is: Which are we dealing with, substance or fashion? Or rather, which type predominates? I have no argument against claiming the switch to xfs is substance, not fashion. But then again that change over, however beneficial, is nearly invisible to most of us; subsumed as it is in the overarching effort of setting up a new system from scratch. Once a host is set up its file-system certainly has little further discernible day-to-impact upon anyone, much less end-users. But Gnome3? Systemd? These seem highly intrusive changes that directly affect, often negatively, the daily tasks of many people. Are these substance or fashion? Do the changes they make fundamentally improve RHEL or just do the same things a little differently? How much is it worth to an Enterprise to have a similar desktop metaphor on the workstation as on a tablet? How many desktop workstations will be replaced by the smart-phone, the tablet? I do not have an answer but I suspect, not much and not many. What does systemd buy the enterprise that sysinit did not provide? Leaving aside upstart as a sterile diversion. I am not certain of anything here either. I have learned that my initial resistance to change, any change, is just as emotionally charged as that of the next person. So, I tend to wait and see. But, I do ask questions. If only to discover if I am alone in my concerns. I am but one person and I need the views of others, agreeable or disagreeable to my prejudices as the case may be, so as to form an informed opinion. I am admittedly somewhat concerned about the overall direction of the RHEL product. I fundamentally disagree with their Frozen Chosen approach to key software components. And with the lock-step forced upgrades that are the result. I am not at all certain that back-porting security fixes to obsolescent software is a profitable activity when often for much the same effort, if not less, the most recent software could be made to run on the older release without adverse effects elsewhere. However, I offer no answers and promote no particular course of action, saving only reflection of what is happening now and the price that is paid for it. I am simply seeking the alternative views of others on these issues. -- *** 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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C-6, Gnome question
by Fred Smith 12 Jan '15

12 Jan '15

Hi all! Using the default Gnome desktop on Centos-6, I keep having difficulty getting the mouse pointer to lineup exactly on the edge/corner of a window when I want to resize the window. It seems that you have to have it on a line exactly one pixel in width, and I'm finding it increasingly hard to do (who, me? getting old? nah!) Wondering if there is a gnome setting somewhere among the myriad settings that could be used to configure the accuracy with which the mouse pointer must be placed so one can grab edges of things. I've dug thru the settings in the Gnome configuration editor, but so far nothing leaps out at me. Can anyone offer advice? thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- The Lord detests the way of the wicked but he loves those who pursue righteousness. ----------------------------- Proverbs 15:9 (niv) -----------------------------

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Re: [CentOS] UC C-6, Gnome question
by Bill Maltby (C4B) 12 Jan '15

12 Jan '15

On Mon, 2015-01-12 at 14:40 +0000, Rushton Martin wrote: > <snip> > Another Firefox "funny" to be aware of occurs if you have a $HOME shared between multiple machines. Firefox will refuse to start on the second machine whilst the first is running Firefox, it believes that there is already an instance running. Rebooting the second machine will not help. The quick-and-dirty way around this is to log in as a different user (and hence different $HOME) on the second machine. That sort of stuff gets my back up, wondering who the hell is making these design changes. Not folks that are aware of how stuff is used in the "real world? Not folks who understand the concept of "regression testing"? Not folks who look outside their walls and solicit comment from their victims? I don't know, but I get obnoxiously resistant (often to my own detriment) in such cases and tend to do things like my patch. Yep, long-term potential negatives, but sometimes it's worth it to me. E.g., a very long time ago, device drivers for network cards did not work well for a particular card I was using. So I grabbed the code and "Holy Crap". What a piss-poor bunch of code. And it didn't handle the hardware properly either. So I got the technical docs for the card, modified the driver, tested every edge condition I could think of and, when satisfied, made a patch and got it ready for contribution. Well, they changed maintainers while I was doing all that and the new code set was so far off what I was working with that my patch became useless. So I just used my driver for myself, making my effort worthwhile, but I wouldn't have been so stringent in the testing and commentary in the code if I had known what was happening. So it cost me some extra time and effort. > > <snip> MHO, Bill

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Re: [CentOS] Camera doesn't works after "yum upgrade"
by Patrick Begou 12 Jan '15

12 Jan '15

m.roth wrote: > Patrick Begou wrote: >> Thanks Marc for your answer, I have a /dev/video0 but no /dev/video. > ^^^^ (it's mark) >> Should I create a link ? >> Or a new rule in udev ? > Oh, no - the question was whether /dev/videoX existed at all. Since you > say that it does, the next question is whether there are messages in > /var/log/messages, dmesg, or perhaps camera even has its own logfile? > > mark Hi Mark, The /dev/video0 exists and the cheese application (used for testing) seams to find it. But the menu for choosing the camera is greyed as if it was unusable. The message I get in /var/log/messages is: kernel: uvcvideo: Failed to query (GET_DEF) UVC control 6 on unit 2: -110 (exp. 2). each time I launch the cheese application. Patrick -- =================================================================== | Equipe M.O.S.T. | | | Patrick BEGOU | mailto:Patrick.Begou@grenoble-inp.fr | | LEGI | | | BP 53 X | Tel 04 76 82 51 35 | | 38041 GRENOBLE CEDEX | Fax 04 76 82 52 71 | ===================================================================

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Re: [CentOS] UC C-6, Gnome question
by Thomas Eriksson 12 Jan '15

12 Jan '15

On 01/12/2015 06:40 AM, Rushton Martin wrote: > > Another Firefox "funny" to be aware of occurs if you have a $HOME > shared between multiple machines. Firefox will refuse to start on > the second machine whilst the first is running Firefox, it believes > that there is already an instance running. Rebooting the second > machine will not help. The quick-and-dirty way around this is to log > in as a different user (and hence different $HOME) on the second > machine. > Or use a second profile, 'firefox -ProfileManager'. -Thomas

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Re: [CentOS] UC C-6, Gnome question
by Rushton Martin 12 Jan '15

12 Jan '15

>> On Sun, Jan 11, 2015 at 05:12:48PM -0500, Bill Maltby (C4B) wrote: >> > On Fri, 2015-01-09 at 19:42 -0500, Fred Smith wrote: >> > <snip> > >> > In a nutshell, after I would terminate Firefox as part of my normal >> > log off process, there would be another instance of Firefox left >> > hanging around with a ppid of 1 (so it's daemonized", or as I prefer >> > "demonized" ;-)) and using all the CPU it could get (97%-99% of a 6 >> > core AMD in my desktop) while no Firefox windows were open. Figuring >> > it might be saving stuff I checked back many minutes later on many >> > days and cycles and it was always there. Moreover, when normally >> > using Firefox I'd seen 103%, 104% CPU usage etc. >> >> I commonly also find a "stray" firefox running after stopping firefox, >> and it isn't using a window either. it's a nuisance because, when >> there's a firefox update and it wants to restart the browser, it can't >> because there's that darn "stray" one hanging around. Another Firefox "funny" to be aware of occurs if you have a $HOME shared between multiple machines. Firefox will refuse to start on the second machine whilst the first is running Firefox, it believes that there is already an instance running. Rebooting the second machine will not help. The quick-and-dirty way around this is to log in as a different user (and hence different $HOME) on the second machine. This email and any attachments to it may be confidential and are intended solely for the use of the individual to whom it is addressed. If you are not the intended recipient of this email, you must neither take any action based upon its contents, nor copy or show it to anyone. Please contact the sender if you believe you have received this email in error. QinetiQ may monitor email traffic data and also the content of email for the purposes of security. QinetiQ Limited (Registered in England & Wales: Company Number: 3796233) Registered office: Cody Technology Park, Ively Road, Farnborough, Hampshire, GU14 0LX http://www.qinetiq.com.

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Lvm snapshot problem
by Cristian Del Carlo 12 Jan '15

12 Jan '15

Hi list, i have an error when i do an lvm snapshot. The error is like this when i use the command "/sbin/lvcreate -L20G -s -n <snapshot> /dev/vgraid/vm" : *semid 5013504: semop failed for cookie 0xd4d23a8: incorrect semaphore state* * Failed to set a proper state for notification semaphore identified by cookie value 223159208 (0xd4d23a8) to initialize waiting for incoming notifications.* I use centos 7 with this packages: # rpm -aq | grep kernel kernel-3.10.0-123.9.3.el7.x86_64 # rpm -aq | grep lvm2 lvm2-libs-2.02.105-14.el7.x86_64 lvm2-2.02.105-14.el7.x86_64 I read that the problem is related to udev : # zgrep UEV /proc/config.gz CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" # grep UEV /boot/config-3.10.0-123.9.3.el7.x86_64 CONFIG_UEVENT_HELPER_PATH="" CONFIG_DM_UEVENT=y I can not understand the problem. The server is in a server farm with a lot of VM running I would like to solve the problem without restarting the server. Could you help me? Thanks. -- -------------------------------------------------------- Cristian Del Carlo Il testo e gli eventuali documenti trasmessi contengono informazioni riservate al destinatario indicato. La seguente e-mail è confidenziale e la sua riservatezza è tutelata legalmente dal Decreto Legislativo 196 del 30/06/2003 (Codice di tutela della privacy). La lettura, copia o altro uso non autorizzato o qualsiasi altra azione derivante dalla conoscenza di queste informazioni sono rigorosamente vietate. Qualora abbiate ricevuto questo documento per errore siete cortesemente pregati di darne immediata comunicazione al mittente e di provvedere, immediatamente, alla sua distruzione. --------------------------------------------------------

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Discuss January 2015