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4591 discussions

New Apache Cassandra SCL (sclo-cassandra3) in centos-sclo-sclo-testing
by Augusto Caringi 15 Jan '18

15 Jan '18

Hi folks, I've been working on Cassandra SCL (called sclo-cassandra3, Cassandra version 3.11.0) recently, continuing the work started by Tomas Repik, and now I inform you that it is available for testing in CentOS (centos-sclo-sclo-testing repository). Cassandra is a partitioned row store. Rows are organized into tables with a required primary key. Partitioning means that Cassandra can distribute your data across multiple machines in an application-transparent matter. Cassandra will automatically re-partition as machines are added/removed from the cluster. Row store means that like relational databases, Cassandra organizes data by rows and columns. The Cassandra Query Language (CQL) is a close relative of SQL. To install: sudo yum install centos-release-scl sudo yum --enablerepo=centos-sclo-sclo-testing install sclo-cassandra3 sclo-cassandra3-cassandra To start the service: sudo systemctl start sclo-cassandra3-cassandra To run the cqlsh client tool: scl enable sclo-cassandra3 rh-java-common rh-maven33 cqlsh Any feedback would be greatly appreciated. Links to sclo-cassandra3 buildlogs [1], git repository of the SCLized package [2], metapackage [3] and softwarecollections.org page [4] can be found down bellow. Best regards, [1] https://buildlogs.centos.org/centos/7/sclo/x86_64/sclo/sclo-cassandra3/ [2] https://github.com/devexp-db/sclo-cassandra3-cassandra [3] https://github.com/devexp-db/sclo-cassandra3 [4] https://www.softwarecollections.org/en/scls/rhscl/sclo-cassandra3/ -- Augusto Mecking Caringi Software Engineer Core Services - Databases Team Red Hat

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Contribution to CentOS.
by Javier Romero 12 Jan '18

12 Jan '18

Hi, My name is Javier, live in Buenos Aires, Argentina, and work in the Network Operations Center of an Internet Service Provider as a Linux Sysadmin. I would like to contribute on the CentOS project as a tester or help tracking bugs. Thank you very much for your kind attention and sorry for the inconvenience. Best Regards, Javier Romero E-mail: xavinux(a)gmail.com Skype: xavinux

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FOSDEM Dojo update
by Rich Bowen 12 Jan '18

12 Jan '18

As you are no doubt aware, we are once again planning to hold a Dojo at the Marriott Grand Place on the Friday before FOSDEM starts - Friday, February 2, 2018. The schedule for the event may be found at https://wiki.centos.org/Events/Dojo/Brussels2018 and includes two tracks covering a wide variety of topics. Attendance at this event is free, but if you plan to attend please register - https://www.eventbrite.com/e/centos-dojo-at-fosdem-tickets-41309238043 - for planning and catering purposes. For those unable to attend, we will be recording (video) both tracks this year, and the sessions will be posted to YouTube as soon after the event as we can manage. See you in Brussels! -- Rich Bowen - rbowen(a)centosproject.org @RDOcommunity // @CentOSProject // @rbowen

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[Centos6.5][Spectre]variant 2 not getting fixed
by Akshar Kanak 11 Jan '18

11 Jan '18

Dear team My Guest os (CentOS 6.5 ,kernel version 2.6.32-696.18.7.el6.x86_64) is running in ESXI server (VMware ESXi 5.5.0 build-6480324, patch ESXi550-201709001.zip was applied ) . I installed all the packages mention in https://lists.centos.org/ pipermail/centos-announce/2018-January/ The list of installed packages are -> kernel-debug-devel-2.6.32-696.18.7.el6.i686 kernel-2.6.32-696.18.7.el6.x86_64 kernel-doc-2.6.32-696.18.7.el6.noarch kernel-debug-2.6.32-696.18.7.el6.x86_64 kernel-devel-2.6.32-696.18.7.el6.x86_64 kernel-debug-devel-2.6.32-696.18.7.el6.x86_64 libreport-plugin-kerneloops-2.0.9-19.el6.centos.x86_64 abrt-addon-kerneloops-2.0.8-21.el6.centos.x86_64 dracut-kernel-004-409.el6_8.2.noarch kernel-headers-2.6.32-696.18.7.el6.x86_64 kernel-firmware-2.6.32-696.18.7.el6.noarch kernel-abi-whitelists-2.6.32-696.18.7.el6.noarch dracut-004-409.el6_8.2.noarch dracut-kernel-004-409.el6_8.2.noarch elfutils-libs-0.164-2.el6.x86_64 elfutils-0.164-2.el6.x86_64 elfutils-libelf-devel-0.164-2.el6.x86_64 elfutils-libelf-0.164-2.el6.x86_64 elfutils-devel-0.164-2.el6.x86_64 microcode_ctl-1.17-25.2.el6_9.x86_64 python-perf-2.6.32-696.18.7.el6.x86_64 perf-2.6.32-696.18.7.el6.x86_64 *But /sys/kernel/debug/x86/ibrs_enabled is still set to 0 and if I execute "echo 2 > /sys/kernel/debug/x86/ibrs_enabled"* * then we are getting the error "bash: echo: write error: No such device" .* * The content of /sys/kernel/debug/x86/ibpb_enabled is also 0 and echo 1 > /sys/kernel/debug/x86/ibpb_enabled throws the* * error "bash: echo: write error: No such device" .* I used a tool https://raw.githubusercontent.com/speed47/spectre-meltdown- checker/master/spectre-meltdown-checker.sh to detect if meltdown and spectre got fixed . Spectre Variant 1 and Meltdown got fixed but not Variant 2 . "CVE-2017-5715 [branch target injection] aka 'Spectre Variant 2' * Mitigation 1 * Hardware (CPU microcode) support for mitigation: YES * Kernel support for IBRS: YES * IBRS enabled for Kernel space: NO * IBRS enabled for User space: NO * Mitigation 2 * Kernel compiled with retpoline option: NO * Kernel compiled with a retpoline-aware compiler: NO > STATUS: VULNERABLE (IBRS hardware + kernel support OR kernel with retpoline are needed to mitigate the vulnerability)" Thanks in advance Thanks and regards AKSHAR

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CentOS PaaS SIG meeting (2018-01-10)
by Troy Dawson 10 Jan '18

10 Jan '18

Hello, It's time for our weekly PaaS SIG sync-up meeting Time: 1700 UTC - Wedensdays (date -d "1700 UTC") Date: Today Wedensday, 10 January 2018 Where: IRC- Freenode - #centos-devel Agenda: - OpenShift Current Status -- rpms -- Automated rpm building and Automated testing -- Multi-arch -- Documentation -- Images and Image building -- minishift / kompose / kedge - Open Floor Minutes from last meeting: https://www.centos.org/minutes/2018/January/centos-devel.2018-01-03-17.00.h…

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[CVE-2017-5715] qemu-kvm-ev-2.9.0-16.el7_4.13.1 is now available for testing
by Sandro Bonazzola 04 Jan '18

04 Jan '18

Hi, qemu-kvm-ev-2.9.0-16.el7_4.13.1 <https://cbs.centos.org/koji/buildinfo?buildID=21119> is now available for testing. I'm testing it right now in oVirt CI, if nothing shows up, I'll tag it for release in a few hours. Here's the changelog: * Thu Jan 04 2018 Sandro Bonazzola <sbonazzo(a)redhat.com> - ev-2.9.0-16.el7_4.13.1 - Removing RH branding from package name * Thu Dec 14 2017 Miroslav Rezanina <mrezanin(a)redhat.com> - rhev-2.9.0-16.el7_4.13 - Fix CVE-2017-5715 * Thu Nov 16 2017 Miroslav Rezanina <mrezanin(a)redhat.com> - rhev-2.9.0-16.el7_4.12 - kvm-util-async-use-atomic_mb_set-in-qemu_bh_cancel.patch [bz#1513362] - Resolves: bz#1513362 (QEMU's AIO subsystem gets stuck inhibiting all I/O operations on virtio-blk-pci devices [rhel-7.4.z]) -- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

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CentOS 6 patches for Spectre and Meltdown
by Paul Graydon 04 Jan '18

04 Jan '18

Hi, I see from centos-announce that the patches for CentOS 7 have rolled out, do we have a rough ETA on the CentOS 6 patches? From the looks of the security vulnerability mailing lists it looks like RedHat released the patches for 6 around the same time. I'll confess I'm a little rusty on the nomenclature RedHat uses, and the security advisory for 6 specifically references "Red Hat Enterprise Linux 6.6 Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco Extended Update Support." I'm not entirely clear what "Advanced Update Support" means about the availability of patches. Does that have any impact on the patches rolling out to CentOS? Paul

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[Infra] - planned outage : All services
by Fabian Arrotin 04 Jan '18

04 Jan '18

Due to important security updates that we need to apply within the whole CentOS infra, please be aware that some nodes/services will be unresponsive during that maintenance window. As it targets both CentOS 6 and CentOS 7, we'll probably apply those updates ASAP but we'll not notify for each impacted service, so this announce will cover all impacted services during the next hours/days. Thanks for your comprehending and patience. on behalf of the Infra team, -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 56BEC54E | twitter: @arrfab

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CentOS PaaS SIG meeting (2018-01-23)
by Troy Dawson 03 Jan '18

03 Jan '18

Hello, It's time for our weekly PaaS SIG sync-up meeting Time: 1700 UTC - Wedensdays (date -d "1700 UTC") Date: Today Wedensday, 03 January 2018 Where: IRC- Freenode - #centos-devel Agenda: - OpenShift Current Status -- rpms -- Automated rpm building and Automated testing -- Multi-arch -- Documentation -- Images and Image building -- minishift / kompose / kedge - Open Floor Minutes from last meeting: https://www.centos.org/minutes/2017/December/centos-devel.2017-12-20-17.00.…

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EPEL and pyOpenSSL
by Tony Breeds 22 Dec '17

22 Dec '17

Hi all, I admit that I'm not sure if this is an EPEL, CentOS or RDO problem. I had to pick a place to start and this is it ;P I've done afresh CentOS 7 install on both x86_64 and ppc64le. After adding the EPEL and epel-testing repos I do yum, install -y rdopkg and I get words to the effect of: <snip> Error: Package: python2-rdopkg-0.45.0-4.el7.noarch (epel) Requires: pyOpenSSL >= 16.2.0 Installing: pyOpenSSL-0.13.1-3.el7.ppc64le (base) pyOpenSSL = 0.13.1-3.el7 <snip> I can pretty easily get past this with: yum localinstall http://cbs.centos.org/kojifiles/packages/pyOpenSSL/16.2.0/3.el7/noarch/pyth… but I suspect that it means I'm missing smething simple. Is the another repo I need to enable when using EPEL? Yours Tony.

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