Discuss June 2016

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114 participants
99 discussions

Does centos 6.8 support gstreamer 1.8?
by qw 30 Jun '16

30 Jun '16

Hi, I found gstreamer offcial have just announced 1.8.2 version. ("gstreamer.freedesktop.org") But centos 6 only support gstreamer 0.10. When will centos 6 support gstreamer 1.8? Thanks! Regards Andrew

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CentOS-7 Screen black after boot
by Venkata Balaji N 30 Jun '16

30 Jun '16

Hello Community, This is my first ever email to CentOS community. Firstly, CentOS is a great open-source operating system. I have been using it for years and recommending the same for production use to our customers. I have installed CentOS-7 operating system couple of days ago and everything was working fine. Yesterday, the screen got struck and the whole system was unresponsive, after a long wait, i have restarted the system. Since, then, i can only see the black screen and GUI is not coming up. I can remotely login to the system from Putty and can operate without any issues, the only issue is that GUI is not coming up. I have installed CentOS-7 server-GUI. Any help would be appreciated here. Regards, Venkata B N

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VNC server issue- Gnome - oh no! Something has gone wrong
by Hersh 29 Jun '16

29 Jun '16

Hi, I have been using VNC on CentOS 7 server from last couple of months and it was running all fine till last night. Unfortunately, there was an abrupt power failure and system got restarted. Now, when I try to login with VNCviwer, it thrown an error message- "*Gnome - oh no! Something has gone wrong "* with a logout option. When I click on logout, I see black/dark gray screen with 3 check boxes. I googled to figure out a solution and tried several solutions but could not fix the problem. Any suggestion would be very helpful. Regards Hersh

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CentOS-announce Digest, Vol 136, Issue 6
by centos-announce-request＠centos.org 29 Jun '16

29 Jun '16

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://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-2016:1349 CentOS 7 lvm2 BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 29 Jun 2016 00:12:11 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2016:1349 CentOS 7 lvm2 BugFix Update Message-ID: <20160629001211.GA46363(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2016:1349 Upstream details at : https://rhn.redhat.com/errata/RHBA-2016-1349.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 9f8f2152738415ddef6509c16881468f8abedf7488490bfe724561ee7eb582c7 cmirror-2.02.130-5.el7_2.5.x86_64.rpm e23f39c92b83682c140324b0891d426bf538fbdc68cf7f267c2a87356816d89c device-mapper-1.02.107-5.el7_2.5.x86_64.rpm 0c3dc7d9d7957e749ad019f06e0cc1c87f3db76cb500457050ce2c3e46080b8b device-mapper-devel-1.02.107-5.el7_2.5.i686.rpm 4da48171c8f599255dd47809d5ed2cdbd23afe152c44540e4e6c41bb88cf7f6b device-mapper-devel-1.02.107-5.el7_2.5.x86_64.rpm b1f004cceca52345c14d2dec35b44d989d39003d3a0e37ae14ee08210296e157 device-mapper-event-1.02.107-5.el7_2.5.x86_64.rpm 6a8203ef009bd1dae1c2575bfaa89582a5d9b402e9a450ce3a787c22ead8f4a6 device-mapper-event-devel-1.02.107-5.el7_2.5.i686.rpm a2a822a1de226771fd00b9d6bce566def68a67b5c4ef1351f7d4e756a3d23e03 device-mapper-event-devel-1.02.107-5.el7_2.5.x86_64.rpm 44d8c251698d60f8bf82d71d774652c7743515edd9077a780bb33709303188e6 device-mapper-event-libs-1.02.107-5.el7_2.5.i686.rpm 59b65674dcab344b3d219b6961722bfd40780455bc0bce6bd02edd6dd768453c device-mapper-event-libs-1.02.107-5.el7_2.5.x86_64.rpm 8475f1a20a99c5f1d041187a531b5c5406c67bf84afb926096d11810f1a53d8e device-mapper-libs-1.02.107-5.el7_2.5.i686.rpm 4d964e6a7643010f2862791e2588e08f6011e4c656540d61d3ebe937ac9ce13a device-mapper-libs-1.02.107-5.el7_2.5.x86_64.rpm b7a90ef80f4e8ddb35257802a57c07660e1ddc7e2c4a9957edf382ff67ec1567 lvm2-2.02.130-5.el7_2.5.x86_64.rpm 65a4c81480d0efba21f0da7969a2f820d69e26934af24bf4fdb8c449a2d502dc lvm2-cluster-2.02.130-5.el7_2.5.x86_64.rpm 04d6d35438ff31602702872775f9fdc758c94d1e9656319dcfa09580ef21609d lvm2-devel-2.02.130-5.el7_2.5.i686.rpm e53af702e6143a89598e64754410bbdbb079fb3e5b657091d88f44fec28fa391 lvm2-devel-2.02.130-5.el7_2.5.x86_64.rpm abafec8cbed90c9e68a796b61235bab160be70a8d0a8290041d78c155d41804e lvm2-libs-2.02.130-5.el7_2.5.i686.rpm 6c0f6537d19eecc549c1c7adf01cdee3aa6d805b30496946fbcc73cb4b3fe582 lvm2-libs-2.02.130-5.el7_2.5.x86_64.rpm 39727f939e993c9baac491080ef3901b3d18536c3c4a7e12668bf381f15f99e9 lvm2-lockd-2.02.130-5.el7_2.5.x86_64.rpm 2f3b320f5108eef429344b89416a2fcf6e15a47e014faeff5b47c6a3ebe234a3 lvm2-python-libs-2.02.130-5.el7_2.5.x86_64.rpm 53316ba2995b27f5b7a4137817a66cd811c42c4ce286e682869d565f5bae76be lvm2-sysvinit-2.02.130-5.el7_2.5.x86_64.rpm Source: 399d8210953038b445e7ac3fc91fc13b517b11dc1a849f820f17296a27477a56 lvm2-2.02.130-5.el7_2.5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 136, Issue 6 ***********************************************

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Errors on yum upgrade
by henimp＠openmail.cc 28 Jun '16

28 Jun '16

During yum upgrade a couple days ago, I saw this: Cleanup : kernel-3.10.0-229.20.1.el7.x86_64 35/64 warning: file /lib/modules/3.10.0-229.20.1.el7.x86_64/modules.softdep: remove failed: No such file or directory warning: file /lib/modules/3.10.0-229.20.1.el7.x86_64/modules.devname: remove failed: No such file or directory Should I be concerned about this? What could have caused it? ------------------------------------------------- ONLY AT VFEmail! - Use our Metadata Mitigator to keep your email out of the NSA's hands! $24.95 ONETIME Lifetime accounts with Privacy Features! 15GB disk! No bandwidth quotas! Commercial and Bulk Mail Options!

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Re: [CentOS] UDP Constant IP Identification Field Fingerprinting Vulnerability
by James B. Byrne 28 Jun '16

28 Jun '16

On Mon, June 27, 2016 12:29, Gordon Messmer wrote: > On 06/26/2016 01:50 PM, James B. Byrne wrote: >> However, all I am seeking is knowledge on how to handle this using >> iptables. I am sure that this defect/anomaly has already been >> solved wherever it is an issue. Does anyone have an example on >> how to do this? > > > I think the bit you're missing is that you don't have to address every > detail that your auditors send you. You can label an item a false > positive. You can respond that you are aware, and that you don't > consider an item to be a security defect. Fingerprinting is an > excellent example thereof. As was already noted, the IP ID field is > just one of many aspects of IP networking that can be used to identify > Linux systems. If you don't address them all, addressing one is not a > useful exercise. I understand WRT false positive flagging. And that is exactly what I have done. However, the PCI DSS report piqued my interest in this matter and I thought to satisfy my curiosity. The other stuff flagged in the report seemed a little far-fetched to me. At least the explanation of why they were flagged did. As none of them affect our PCI status I have no interest in the rest. This one however I was previously unaware and so I wanted to discover more about it. Thank you for the information and especially for the references. Sincerely, -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail 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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Guest's Additions Virtual CD
by raving Joker 28 Jun '16

28 Jun '16

Hello to everyone I'm a new italian member so I'm sorry if my english isn't perfect. I was thinking... Why not (in CentOS 7) insert a tab in the installation phase that can permit an automatic installation of guest's additions tools (I'm using virtualbox, but it can be applied to other platforms with a menu), a little system that reveals the guest addition's cd and if isn't inserted, displays to the user a message with informations about how insert it and do the installation automatically? Thanks for all of people that want to reply, I know that this virtualization platforms are in part in discordance with the ethical free software's mindset...but why not in centos, with proper informative messages? Good afternoon Raving

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Use USB2.0 Camera with KVM based VM
by Mark LaPierre 28 Jun '16

28 Jun '16

Hey All, I've been googleing this issue for hours but I can't find a workable solution. I found a reply to a bug posting that said the USB hub on the VM defaults to USB 1.1. I see this is true when I lsusb on the CentOS 7 guest. The reply to the bug post went on to say that the problem is that the USB 2.0 camera will not work with the USB 1.1 default hub and that I should change the hub from USB 1.1 to USB 2.0. I see no way to do that. Can anyone shed some light on this? Is there a way to change the USB hub from USB 1.1 to USB 2.0 inside the VM Manager? Is there a better way to get my USB 2.0 web camera to appear in my CentOS 7 guest? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ****

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Re: [CentOS] UDP Constant IP Identification Field Fingerprinting Vulnerability
by James B. Byrne 27 Jun '16

27 Jun '16

On Fri, June 24, 2016 12:24, John R Pierce wrote: > On 6/24/2016 9:20 AM, James B. Byrne wrote: >> We received a notice from our pci-dss auditors respecting this: >> >> CVE-2002-0510 The UDP implementation in Linux 2.4.x kernels keeps >> the >> IP Identification field at 0 for all non-fragmented packets, which >> could allow remote attackers to determine that a target system is >> running Linux. > > > 2.4 kernels are kinda old. kinda really really old. are you still > running CentOS 4 on PCI audited systems ?!?? > > The CVE is from 2002 and the kernel mentioned refers to the original report. Linux core team said it was a non-problem and the issue remains in the kernel found in CentOS-6.8. Possibly the one in 7. Perhaps it is still present in the development branch. However, all I am seeking is knowledge on how to handle this using iptables. I am sure that this defect/anomaly has already been solved wherever it is an issue. Does anyone have an example on how to do this? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail 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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haproxy + Apache + virtual hosts -> wrong host is displayed
by Alexander Farber 24 Jun '16

24 Jun '16

Hello, I hope my question is not off-topic here. On CentOS 7.2.1511 I have installed: haproxy-1.5.14-3.el7.x86_64 httpd-2.4.6-40.el7.centos.1.x86_64 The /etc/haproxy/haproxy.cfg binds HAProxy to ports 80 and 443 and accepts HTTPS to slova.de: defaults mode http option http-server-close option forwardfor except 127.0.0.0/8 option redispatch .... frontend public bind 144.76.184.151:80 bind 144.76.184.151:443 ssl crt /etc/pki/tls/certs/slova.de.pem reqidel ^X-Forwarded-Proto: reqidel ^X-Forwarded-For: reqadd X-Forwarded-Proto:\ https if { ssl_fc } option forwardfor default_backend apache backend apache server domain 127.0.0.1:8080 The /etc/httpd/conf/httpd.conf binds Apache to port 8080 and serves several Wordpress sites: Listen 127.0.0.1:8080 ServerName 144.76.184.151 <VirtualHost 127.0.0.1:8080> DocumentRoot /var/www/html/afarber.de ServerName afarber.de ErrorLog logs/afarber.de/error_log CustomLog logs/afarber.de/access_log common </VirtualHost> <VirtualHost 127.0.0.1:8080> DocumentRoot /var/www/html/ruhrgebietsingle.de ServerName ruhrgebietsingle.de ErrorLog logs/ruhrgebietsingle.de/error_log CustomLog logs/ruhrgebietsingle.de/access_log common </VirtualHost> <VirtualHost 127.0.0.1:8080> DocumentRoot /var/www/html/bukvy.de ServerName bukvy.de ErrorLog logs/bukvy.de/error_log CustomLog logs/bukvy.de/access_log common </VirtualHost> <VirtualHost 127.0.0.1:8080> DocumentRoot /var/www/html/slova.de ServerName slova.de ErrorLog logs/slova.de/error_log CustomLog logs/slova.de/access_log common </VirtualHost> When I open http://slova.de or https://www.slova.de they work fine. But when I try to open same URLs with "www." prepended, the browser displays http://ruhrgebietsingle.de (the 2nd site out of 4) Why does it happen? I just can not figure it out. What tool would help here to debug? Thank you Alex

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Discuss June 2016