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CentOS 7 AMIs and deletion of root volumes on AWS when terminating instances
by Silverstein 09 Sep '16

09 Sep '16

Hi, We have noticed that the CentOS 7 AMIs in AWS do not delete their root volumes on termination. It appears this is the way that the AMIs were created. The AWS Linux AMIs appear to have this enabled. So they do delete their root volumes on termination. Does anyone know why the CentOS AMIs are created so that they don't delete their root volumes on termination? Herc

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NetworkManger wireless issues - "Failed to load root certificates"/"unable to get local issuer certificate"
by Toralf Lund 07 Sep '16

07 Sep '16

Hi, I'm trying to connect my CentOS 6.8 laptop to the wireless net at work, which is secured with WPA2 and AES. I've done this successfully in the past using NetworkManager, but a new safety feature was recently introduced: A CA certificate is required. After this, I've not been able to connect. I have a DER format file, whose path I've entered in CA certificate: in the NetworkManager security page, but apparently, this isn't enough; NetworkManager will try for a while, then pop up the security/login dialog again. I found the following in /var/log/wpa_supplicant.log, which I believe is related to this issue: CTRL-EVENT-EAP-STARTED EAP authentication started CTRL-EVENT-EAP-PROPOSED-METHOD vendor=0 method=13 -> NAK CTRL-EVENT-EAP-PROPOSED-METHOD vendor=0 method=25 OpenSSL: tls_connection_ca_cert - Failed to load root certificates error:00000000:lib(0):func(0):reason(0) CTRL-EVENT-EAP-METHOD EAP vendor 0 method 25 (PEAP) selected TLS: Certificate verification failed, error 20 (unable to get local issuer certificate) depth 1 for '/DC=com/DC=.../DC=.../CN=...' CTRL-EVENT-EAP-TLS-CERT-ERROR reason=1 depth=1 subject='/DC=com/DC=.../DC=.../CN=...' err='unable to get local issuer certificate' SSL: SSL3 alert: write (local SSL3 detected an error):fatal:unknown CA OpenSSL: openssl_handshake - SSL_connect error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed CTRL-EVENT-EAP-FAILURE EAP authentication failed Note: I've removed some of the "DC=" info for privacy reasons, but what I'm seeing there, makes me think that the DER file has indeed been read. Maybe this means I have to provide additional certificate info somewhere, somehow, but what would be the exact nature of the data, and where do I put it? I googled for some of the error messages and found that others have had similar issues, but the feedback given to them left me none the wiser. Actually, wpa_supplicant.conf updates are mentioned in some cases, but they appear to be related to information that I thought would be provided by NetworkManager in this case. So, does anyone know more about this? What certificate or certificate configuration files should I need in addition to what's specified in the NetworkManager config? What else may be wrong? Any help will be appreciated. - Toralf

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CentOS-announce Digest, Vol 139, Issue 2
by centos-announce-request＠centos.org 07 Sep '16

07 Sep '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-2016:1819 CentOS 6 udev BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 6 Sep 2016 16:53:22 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2016:1819 CentOS 6 udev BugFix Update Message-ID: <20160906165322.GA25023(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2016:1819 Upstream details at : https://rhn.redhat.com/errata/RHBA-2016-1819.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: c5763f6f9e36cfd604b31941b483b9a3c9e8ee337617409951da6e07d126fe65 libgudev1-147-2.73.el6_8.2.i686.rpm 62fcef9c347e8033f6a14050587e58bae4c6a066918cf0cb51cd9fea44f2a2d1 libgudev1-devel-147-2.73.el6_8.2.i686.rpm 9e8f1dbba54f8c9040ec04f061f731e6d7e2392f25ebb50b40487dc8fb68ef8f libudev-147-2.73.el6_8.2.i686.rpm 77a3f9113d51df05d69d87fb235d4472cbce1e7ffedcca9d3446c456c80ece5f libudev-devel-147-2.73.el6_8.2.i686.rpm 3e9834e0ac3de03c0634cd6a4e4e028966633ef76729d6219d03f58f0cab1e9b udev-147-2.73.el6_8.2.i686.rpm x86_64: c5763f6f9e36cfd604b31941b483b9a3c9e8ee337617409951da6e07d126fe65 libgudev1-147-2.73.el6_8.2.i686.rpm 84d621026cd684bdc48e94d10a0cadd57f4aeb60b3748dc00d0427e4fda9ac30 libgudev1-147-2.73.el6_8.2.x86_64.rpm 62fcef9c347e8033f6a14050587e58bae4c6a066918cf0cb51cd9fea44f2a2d1 libgudev1-devel-147-2.73.el6_8.2.i686.rpm de7f34d7ef206bba7fd579174889d92856e140a798966b1034c201a8b06fc839 libgudev1-devel-147-2.73.el6_8.2.x86_64.rpm 9e8f1dbba54f8c9040ec04f061f731e6d7e2392f25ebb50b40487dc8fb68ef8f libudev-147-2.73.el6_8.2.i686.rpm 961be061b58d532d50a813ddf3fa24ba5c709ec80f9c6ab6356d8f21677625d6 libudev-147-2.73.el6_8.2.x86_64.rpm 77a3f9113d51df05d69d87fb235d4472cbce1e7ffedcca9d3446c456c80ece5f libudev-devel-147-2.73.el6_8.2.i686.rpm 318322d5e63b27bf423e011e9b3d8863e5b1aa5ac57de131add0a85c8e6bbbfe libudev-devel-147-2.73.el6_8.2.x86_64.rpm d1013a01a800ef6caa389c154f6ebc7709e504613a22cc62310ce2cf85b09d0d udev-147-2.73.el6_8.2.x86_64.rpm Source: 4b2c0339895fdddd443e6792bc0eaa47d90fcc4bd0d5cbcf71d98b6defbab04e udev-147-2.73.el6_8.2.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 139, Issue 2 ***********************************************

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devtoolset-3 application execution
by Leon Fauster 07 Sep '16

07 Sep '16

Its seems challenging to maintain applications with a long term vision. For EL6 I want to use devtoolset-3-gcc-c++-4.9.2-6.2.el6.x86_64 to compile some binaries. Here my question: will the binaries execute flawless on a plain EL6 system without additional libraries (stdc++ etc.)? Example: scl enable devtoolset-3 'rpmbuild -ba local-app1.spec' -- Thanks, LF

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how to limit cpu usage for specified processes
by qw 07 Sep '16

07 Sep '16

Hi, Is there some tool or method in centos that can limit cpu usage to some percentage for specified processes that consume large cpu resource? I found cpulimit which is only able to limit one process. what I want is one tool that can limit several same processes' cpu usage. Thanks! Regards andrew

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Where to get good threadpool c library
by qw 07 Sep '16

07 Sep '16

Hi, I can find many c libraries of good threadpool on centos. But is there some good threadpool c library for centos/linux? Thanks! regards andrew

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Strange behaviour when using sudo+sh+executable.
by Rafał Radecki 07 Sep '16

07 Sep '16

Hi All. I am trying to install some software. Part of its installation is an invocation of command similar to: # sudo -H -E -u postgres /bin/bash -c /usr/bin/python2.7 /bin/bash: /usr/bin/python2.7: Permission denied >From my perspective: # ls -l /bin/bash /usr/bin/python2.7 -rwxr-xr-x. 1 root root 960376 Jul 8 2015 /bin/bash -rwxr-xr-x. 1 root root 7136 Oct 11 2015 /usr/bin/python2.7 # su - postgres Last login: Tue Sep 6 11:51:45 CEST 2016 on pts/6 -sh-4.2$ /bin/bash -c /usr/bin/python2.7 Python 2.7.5 (default, Oct 11 2015, 17:47:16) [GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> I tried the same for /bin/top. From my perspective this is quite a strange behaviour. Can someone help with this problem? BR, Rafal.

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Re: [CentOS] group write permissions not being respected
by Chris Murphy 07 Sep '16

07 Sep '16

On Tue, Sep 6, 2016, 8:08 PM Pat Haley <phaley(a)mit.edu> wrote: > > Trying the gluster client seems to fix the problem. > Hmm, suggests an NFS export issue then, rather than permissions issue? Chris Murphy

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None
by None 07 Sep '16

07 Sep '16

by outgoing.mit.edu (8.13.8/8.12.4) with ESMTP id u8727fcW006708 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT) for <centos(a)centos.org>; Tue, 6 Sep 2016 22:07:42 -0400 To: centos(a)centos.org References: <d059a28c-b866-5056-dda6-29e3077ca907(a)mit.edu> <8d10f9b1-0ed9-0217-ae0e-726acd1d9a87(a)gmail.com> <8d59038f-3dbe-5bff-9673-fbada1d3f31c(a)mit.edu> <b9abfd5a5a37f29bff085aae6174877f.squirrel(a)host290.hostmonster.com> <d9ac7e12-3283-ea9e-a5b0-5dcd8d27d87d(a)mit.edu> <CAJCQCtTfr6rvPGH7uMNzYE9-Q+BfZ784a5n=4S5NekA7O8VxAA(a)mail.gmail.com> <c29b1a4f-a3d5-b61e-7206-b6e32a89f72c(a)mit.edu> <CAJCQCtQ6vq6OQsbgZjxz2qqgjGwh-XEwsoeBYjzwNMMcvQkDrQ(a)mail.gmail.com> From: Pat Haley <phaley(a)mit.edu> Message-ID: <8b172cfc-7a1a-39e2-a259-a698f2fa63ba(a)mit.edu> Date: Tue, 6 Sep 2016 22:07:35 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <CAJCQCtQ6vq6OQsbgZjxz2qqgjGwh-XEwsoeBYjzwNMMcvQkDrQ(a)mail.gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrOIsWRmVeSWpSXmKPExsUixG6nrptXdj7cYP5DE4tlZxYwOzB6rGyb zBzAGMVlk5Kak1mWWqRvl8CVMbv5EVPBCfGKBZ/CGxhnCHcxcnJICJhInGh6ydzFyMUhJNDG JHG/8yobhHOCUeLq/8ksEM4BJomW/suMIC3CAo4SL15uZwOxRQREJXoWv4LquMIsMeHuRyaQ BJuAgsS6W2fYQWxeASuJqXdvgDWzCKhI7Dv+ihnEFhWIkLi16iMjRI2gxMmZT1hAbE6BQIm5 E2eC2cwCthJ35u5mhrDlJba/ncM8gZF/FpKWWUjKZiEpW8DIvIpRNiW3Sjc3MTOnODVZtzg5 MS8vtUjXVC83s0QvNaV0EyM4/FyUdjBO/Od1iFGAg1GJh7di97lwIdbEsuLK3EOMkhxMSqK8 aoFAIb6k/JTKjMTijPii0pzU4kOMEhzMSiK8swrPhwvxpiRWVqUW5cOkpDlYlMR5u2YcCBcS SE8sSc1OTS1ILYLJynBwKEnwVpcCNQoWpaanVqRl5pQgpJk4OEGG8wANzwCp4S0uSMwtzkyH yJ9iVJQS550JkhAASWSU5sH1gtODGvuhV4ziQK8I8y4HqeIBpha47ldAg5mABq/bfRpkcEki QkqqgdHumJ85C5vW18rsVTyCu9hbrXdG2i/MkH2WXn78eE+i2V6Lk/ebckNVCli+3O24tr6E bfeV0xsEjxTsCnVyNN0hMzf47a/tF/aLrCntn2w/MVOm4uYq+am5pdVfVWufLhcQn1Nz3Db2 jNUdszzZz0YlYSf0ikR1G3PO+afcqT8ke64wUXd1ixJLcUaioRZzUXEiANN4uRjqAgAA Subject: Re: [CentOS] group write permissions not being respected X-BeenThere: centos(a)centos.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: CentOS mailing list <centos.centos.org> List-Unsubscribe: <https://lists.centos.org/mailman/options/centos>, <mailto:centos-request@centos.org?subject=unsubscribe> List-Archive: <http://lists.centos.org/pipermail/centos/> List-Post: <mailto:centos@centos.org> List-Help: <mailto:centos-request@centos.org?subject=help> List-Subscribe: <https://lists.centos.org/mailman/listinfo/centos>, <mailto:centos-request@centos.org?subject=subscribe> X-List-Received-Date: Wed, 07 Sep 2016 02:07:43 -0000 Trying the gluster client seems to fix the problem. On 09/02/2016 12:57 AM, Chris Murphy wrote: > On Thu, Sep 1, 2016, 8:11 AM Pat Haley <phaley(a)mit.edu> wrote: > >> For the enforcing=0, is that referring to SELinux? If so, we are not >> running SELinux. >> > > OK so neither that nor chcon nor context mount option apply. It's something > else. > > > > > >> On 08/31/2016 11:38 PM, Chris Murphy wrote: >> >> ---------------------------------------------------------------------------------------- >>> Try booting with enforcing=0 and if that fixes it, you need to find out >>> what security label is needed for gluster. >> ---------------------------------------------------------------------------------------- >> For the enforcing=0, is that referring to SELinux? If so, we are not >> running SELinux. >> >> ----------------------------------------------------------------------------------------- >> >>> Chances are it's easiest to use -o context= mount option on the brick, >> but >>> if the brick is not exclusive to gluster you'll need chcon -R. >> ----------------------------------------------------------------------------------------- >> We aren't sure exactly what you mean by this second paragraph, can >> you expand on this? Are these two exclusive options exclusive? We aren't >> sure what you what you mean by "exclusive to gluster" >> >> ----------------------------------------------------------------------------------------- >>> If that's not it, maybe try the gluster client instead of using NFS. See >> if >>> you get a different result that narrows down what's going on. >>> >>> My vague recollection is for Samba, without the correct SELinux label, I >>> could neither read nor write. >>> >>> >>> Chris Murphy >>> _______________________________________________ >>> CentOS mailing list >>> CentOS(a)centos.org >>> https://lists.centos.org/mailman/listinfo/centos >> -- >> >> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- >> Pat Haley Email: phaley(a)mit.edu >> Center for Ocean Engineering Phone: (617) 253-6824 >> Dept. of Mechanical Engineering Fax: (617) 253-8125 >> MIT, Room 5-213 http://web.mit.edu/phaley/www/ >> 77 Massachusetts Avenue >> Cambridge, MA 02139-4301 >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Pat Haley Email: phaley(a)mit.edu Center for Ocean Engineering Phone: (617) 253-6824 Dept. of Mechanical Engineering Fax: (617) 253-8125 MIT, Room 5-213 http://web.mit.edu/phaley/www/ 77 Massachusetts Avenue Cambridge, MA 02139-4301

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389 Directory Server
by Paolo Rughetti 07 Sep '16

07 Sep '16

Hi all, I would like install 389 Directory Server on a Centos 6.8 server. I followed the instructions reported in : https://wiki.centos.org/HowTos/DirectoryServerSetup?highlight=%28directory%… and installed with yum the following packages : 389-ds-base-1.2.11.15-75.el6_8.x86_64 389-ds-console-1.2.6-1.el6.noarch 389-ds-base-libs-1.2.11.15-75.el6_8.x86_64 389-adminutil-1.1.19-1.el6.x86_64 389-admin-1.1.35-1.el6.x86_64 To proceed with the installation I would like to read the instructions reported here : https://access.redhat.com/documentation/en/red-hat-directory-server/ where I can choose the product version between 8.0 to 10. I would like to know which version of 389 Directory Server match installed packages so I can select the right manual. I would like also to know if it is better install the last version of 389 from http://www.port389.org. Thanking you in advance. Bets regards. -- *---*---*---*---*---*---*---*---*---*---*---*---*---*---* Paolo Rughetti Consiglio Nazionale delle Ricerche Istituto per le Applicazioni del Calcolo "M. Picone" Via dei Taurini 19 00185 ROME ITALY _____________________________ |\___________________________/| |E-mail: p.rughetti(a)iac.cnr.it| |Tel: 039-06-49270956 | |Fax: 039-06-4404306 | |_____________________________| *---*---*---*---*---*---*---*---*---*---*---*---*---*---*

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