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4696 discussions

CentOS support of s390x architecture
by Vaibhav Kaushik 19 Jan '19

19 Jan '19

Hello everyone, I want to help in building the official centOS support of s390x architecture for Open Mainframe Project. I have familiarity with Linux and working with build systems. The task is to "Bootstrap CentOS on Z" and I need some guidance and reference about where to begin so that I can start learning and contributing. -- Regards, Vaibhav Kaushik (vaibhavk.github.io)

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centos-logos package not updated on git.centos.org
by Maheshwari, Shagun 18 Jan '19

18 Jan '19

Hi, I am using git.centos.org site for source code but don't see the latest commit of centos-logos package on git.centos.org. And, at vault.centos.org centos-logos-70.0.6-3.el7 version is available which is latest, could anyone please check. Version on git.centos.org site: 70.0.6-2 Version on vault.centos.org site: 70.0.6-3 Regards, Shagun

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Vagrant centos/7 v1811.01 breaks nfs at boot
by John-Paul Robinson 17 Jan '19

17 Jan '19

Hi folks, It seems that the latest vagrant box for centos/7 is breaking nfs mounts at boot. My vagrant project has an nfs server and client node. The client has two nfs mount in fstab. https://gitlab.rc.uab.edu/jpr/ohpc_vagrant Using the image from the prior release (1804.02, kernel 3.10.0-862.2.3.el7.x86_64, CentOS Linux release 7.5.1804 (Core) ) the mounts complete successfully. The newest releases (1811.02 and 1809.01) fail to mount the drives at boot. I believe the differences between the older VMs using XFS and volume manager vs direct device and ext4 in the newer images are changing the boot timings of services. The messages.log shows that the network is unavailable at the point which the nfs mounts are tried on the failing nodes. The wait service doesn't appear to work right or wait long enough to allow the network to come up first. It seems that the boot for the direct use of the sda1 and use of ext4 simply initializes too fast. Here's the top of the systemd blame info for the box that succeeds in it's nfs mounts at boot (v1804.02). Note that the boot times are dominated by the network manager wait service: [vagrant@ood ~]$ systemd-analyze blame 2.970s NetworkManager-wait-online.service 1.511s tuned.service 1.272s postfix.service 594ms httpd24-httpd.service 538ms lvm2-monitor.service 474ms opt-ohpc-pub.mount 471ms home.mount 450ms auditd.service 444ms dev-mapper-VolGroup00\x2dLogVol00.device 380ms boot.mount 343ms network.service 216ms munge.service 206ms NetworkManager.service 177ms chronyd.service 157ms polkit.service 149ms sshd.service 148ms systemd-logind.service 134ms slurmd.service 114ms gssproxy.service 112ms lvm2-pvscan@8:3.service 112ms rpc-statd.service 112ms systemd-udev-trigger.service 111ms rsyslog.service 110ms rhel-readonly.service 105ms rhel-dmesg.service 91ms systemd-vconsole-setup.service 84ms systemd-tmpfiles-setup-dev.service 74ms systemd-tmpfiles-clean.service 72ms dev-mapper-VolGroup00\x2dLogVol01.swap 66ms kmod-static-nodes.service 65ms rhel-domainname.service 65ms rpc-statd-notify.service ... Here's the top of systemd blame info for the box that is failing to mount nfs (v1811.02), network manager barely waits: [vagrant@ood ~]$ systemd-analyze blame 1.811s dev-sda1.device 1.737s tuned.service 1.594s postfix.service 785ms httpd24-httpd.service 378ms systemd-vconsole-setup.service 295ms slurmd.service 291ms network.service 286ms home.mount 266ms auditd.service 253ms opt-ohpc-pub.mount 250ms NetworkManager-wait-online.service 208ms systemd-udev-trigger.service 200ms polkit.service 188ms systemd-tmpfiles-setup-dev.service 180ms sshd.service 177ms chronyd.service 175ms rhel-readonly.service 146ms rhel-dmesg.service 145ms munge.service 144ms gssproxy.service 141ms rpcbind.service 139ms swapfile.swap 112ms rhel-domainname.service 102ms systemd-udevd.service 101ms systemd-journald.service 91ms rpc-statd.service 78ms rsyslog.service 70ms var-lib-nfs-rpc_pipefs.mount 69ms systemd-tmpfiles-setup.service 61ms rpc-statd-notify.service 58ms systemd-journal-flush.service 58ms systemd-sysctl.service ... I have the boot svd graphs that tell a similar story on the sequencing of service startup. Is there a way to add delay to the network manager wait or otherwise influence the boot configuration to ensure the NFS drives mount correctly at boot? Thanks, John-Paul

3 4

signing of openvswitch.ko with kernel signing key
by Maheshwari, Shagun 15 Jan '19

15 Jan '19

Hi, Latest CentOS kernel comes with openvswitch-2.0.0 drivers, but for an application, I needed openvswitch-2.9.2. I am trying to get my openvswitch.ko (from openvswitch-kmod-2.9.2-1.el7.centos.x86_64.rpm ) to get signed by the kernel module signing key. To achieve this I included below line to my spec file: mv signing_key.x509.sign.debug signing_key.x509 \ %{modsign_cmd} ~/home/nupur/openvswitch/*.ko %{modsign_cmd} $RPM_BUILD_ROOT/lib/modules/%{KVRA}.debug || exit 1 \ fi \ if [ "%{with_default}" -ne "0" ]; then \ But the build is failing. Please suggest , if it is feasible to achieve this. Or is this the right thing to do to sign third-party module with centos signing key. Regards, Shagun

3 2

moving packages through -candidate to -testing and -release
by Ken Dreyer 15 Jan '19

15 Jan '19

Hi folks, Does anyone have any tooling today that can tag CBS packages as -testing and then tag them as -release? Currently we're tagging packages by hand into -testing and -release, but that makes it really easy to miss builds. I'm looking for something like Bodhi, but something that we can generalize to work with Ceph in CBS. - Ken

2 1

new "mock-ceph-config" git repository
by Ken Dreyer 14 Jan '19

14 Jan '19

Hi Niels, Would you please create a "mock-ceph-config" Git repository at https://github.com/CentOS-Storage-SIG? This will be the dist-git repository location for our mock configs for Ceph. - Ken

2 4

Delivery Status Notification (Delay)
by 82ee9d11＠opayq.com 11 Jan '19

11 Jan '19

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(https= ://dnt.abine.com/#help/faq/faq-whataremaskedemails). IF THIS IS SPAM, CLICK HERE TO BLOCK: https://dnt.abine.com/#/block_email/82ee9d11@opayq.com/FWD.8ltx5hf60pqr@opa= yq.com Want to shop safely and privately online? Go Premium: https://dnt.abine.com= /?pk_campaign=3DmaskHeader#premium -------------------------by Abine------------------------- Send CentOS-devel mailing list submissions to centos-devel(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-devel or, via email, send a message with subject or body 'help' to centos-devel-request(a)centos.org You can reach the person managing the list at centos-devel-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-devel digest..." Today's Topics: 1. new "mock-ceph-config" git repository (Ken Dreyer) 2. Re: new "mock-ceph-config" git repository (Niels de Vos) ---------------------------------------------------------------------- Message: 1 Date: Wed, 9 Jan 2019 15:50:49 -0700 From: Ken Dreyer <kdreyer(a)redhat.com> To: Niels de Vos <ndevos(a)redhat.com> Cc: "The CentOS developers mailing list." <centos-devel(a)centos.org> Subject: [CentOS-devel] new "mock-ceph-config" git repository Message-ID: <CALqRxCx+bncTbvh_n6NOp6ugfsjVYRrrkv5K+93RBeG995M2Ow(a)mail.gmail.com> Content-Type: text/plain; charset=3D"UTF-8" Hi Niels, Would you please create a "mock-ceph-config" Git repository at https://github.com/CentOS-Storage-SIG? This will be the dist-git repository location for our mock configs for Ceph= . - Ken ------------------------------ Message: 2 Date: Thu, 10 Jan 2019 09:13:14 +0100 From: Niels de Vos <ndevos(a)redhat.com> To: Ken Dreyer <kdreyer(a)redhat.com> Cc: "The CentOS developers mailing list." <centos-devel(a)centos.org> Subject: Re: [CentOS-devel] new "mock-ceph-config" git repository Message-ID: <20190110081314.GG7869@ndevos-x270> Content-Type: text/plain; charset=3Dus-ascii On Wed, Jan 09, 2019 at 03:50:49PM -0700, Ken Dreyer wrote: > Hi Niels, >=20 > Would you please create a "mock-ceph-config" Git repository at > https://github.com/CentOS-Storage-SIG? >=20 > This will be the dist-git repository location for our mock configs for Ce= ph. Done! ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-devel mailing list CentOS-devel(a)centos.org https://lists.centos.org/mailman/listinfo/centos-devel ------------------------------ End of CentOS-devel Digest, Vol 167, Issue 3 ********************************************

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[Qemu-Kvm] Centos 7 Guest vm freezing
by Akshar Kanak 09 Jan '19

09 Jan '19

Dear team I am running a centos guest VM which freezes for every few days . The qemu-kvm on shows 100% cpu utilization. Ping to the guest might work or may not work .Please can you tell me what approach can i take to debug it . using "virsh dump" I can dump the core of the guest vm but I am not sure how to analyse it . Guest Centos VM : "Linux CentOS70 3.10.0-123.4.4.el7.x86_64 #1 SMP Fri Jul 25 05:07:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux" "CentOS Linux release 7.0.1406 (Core)" 1 vcpu and 2 GB ram Host machine : "Linux XXX-BServer01 3.10.51-1.el6.elrepo.x86_64 #1 SMP Fri Aug 1 13:14:11 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux" "CentOS release 6.5 (Final)" qemu-kvm package used : qemu-kvm-0.12.1.2-2.415.el6_5.10.x86_64 Thanks and regards Akshar

3 2

Were you there at the beginning? Looking for historical perspective
by Rich Bowen 02 Jan '19

02 Jan '19

If you've been around CentOS for more than a few years, I'd like to talk with you. With the 15th birthday just around the corner, I'd like to do a series of interviews about the early days - the hows, whos, and whys of the CentOS early days. I'll be doing interviews at FOSDEM, so if you're going to be there, I'd like to get you on my schedule for that week. If you're not going to be at FOSDEM, we can do interviews online. Thanks! -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

2 1

SIG reports, upcoming newsletter
by Rich Bowen 02 Jan '19

02 Jan '19

I'm drafting the January newsletter, which I hope to publish next week, and it's time for SIG reports. As you may remember, several months ago I mentioned that we'd like to hear from SIGs on a more formal, quarterly basis. Based on that discussion, there's a reporting schedule here: https://wiki.centos.org/SpecialInterestGroup#head-1ca04ec96d705bf7488a03ea9… So, this month, I'm hoping for reports from the following SIGs. Core Atomic Config Management PaaS Software Collections The Cloud SIG has been kind enough to work with me on a sample report, which you can read here: https://blog.centos.org/2019/01/centos-cloud-sig-quarterly-report/ That will give you an idea of what an ideal report looks like. I will endeavor in the future, to give a little more advance warning, but please note that in February, we're hoping to receive reports from: Alt Arch Cloud NFV Promo Storage Thanks! -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

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