Discuss September 2019

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107 participants
74 discussions

How to dump/restore a CentOS 7 system
by Xinhuan Zheng 26 Sep '19

26 Sep '19

Hello All, I guess it is very common for administrative purpose, to dump and restore a CentOS 7 system. I usually use dump/restore commands. However, I’m having trouble to handle installing bootloader and creating initramfs for C7 system. Does anyone know a good document source that details those procedure? Thank you, Xinhuan Zheng

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Any ETA for the cloud-images?
by rainer＠ultra-secure.de 26 Sep '19

26 Sep '19

Hi, I see they are being built, but they can't be accessed directly. Rainer

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Missing packages in centos8 mirrors or do I miss something?
by LAHAYE Olivier 26 Sep '19

26 Sep '19

Hi, I need to port OSCAR Cluster and SystemImager softwares to centos8, but I miss a lot of package that seems to be built for centos-8. For example, I cant find docbook-utils and docbook-utls-pdf while I see them here: https://koji.mbox.centos.org/koji/buildinfo?buildID=651 I’ve installed epel-release and elrepo-release and centos-release-stream. Do I miss something or is it a matter of time due to mirro syncs? I misse btrfs packages, perl-Tk packages, docbook packages and many more that I can find on https://koji.mbox.centos.org/koji/builds Where am I wrong? PS: I’m running CentOS-8 in docker (roboxes/centos8 wainting for official centos:8 container). (I think that my issue is not related to the container though as I can’t find packages on mirror repos. -- Olivier LAHAYE

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USB of ISO image
by Jerry Geis 26 Sep '19

26 Sep '19

Hi I did the dd iso to my USB. all is fine. I can mount the second partition (which is not iso 9660) and edit the grub.cfg file. Question is what do I run after that so my new menu option appears ? grub2-install /dev/sdd Is that the correct command to get grub to notice my new file ? Assuming sdd is the USB disk of course. Thanks, jerry

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USB thumb drive for CentOS 7.7 to install
by Jerry Geis 25 Sep '19

25 Sep '19

I took the "everything" iso and did the dd command to my 16G thumb drive. I booted and entered my usual ks=http://xxx on the boot line. All good so far. It gets my kickstart file and installation begins. At some point it says Installing libreoffice-opensymbol-fonts (492/1948) Retrying download of 1:libreoffice-opensymbol-fonts-5.3.6.1-21.el7.norarch then after 10 retries it fails. I have verfied this file is on my USB disk, I have re-downloaded from different mirror, the Everything file, dd that to my USB disk, tried the re-install and still the error. I don't know what to try next. Jerry

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CentOS 8
by mark 25 Sep '19

25 Sep '19

I just skimmed through the deprecated, and there's a *lot*. But one hit me in the face: if you make a change to /etc/nsswitch.conf, you need to REBOOT THE SERVER? Ok, did this come from Redmond?* Oh, and I note virt-manager replaced by cockpit. Can someone pass along a little note: Sybase has had, for a bunch of years, a required program... called cockpit. I think they've got the name by priority.... * I thought that "your cursor has moved; please reboot Windows to have this change take effect was a joke... until, about 5-6 years ago, I found in trying to set up samba at home on Win 8 that if I changed the workgroup name... it required Windows to be rebooted. So... really? nsswitch.conf, and reboot? Now I think I'll install C 7 to dual boot on my lady's workstation, rather than 8. mark "or my manager this I should go to ubuntu, which I dislike...." mark

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CentOS-announce Digest, Vol 175, Issue 3
by centos-announce-request＠centos.org 25 Sep '19

25 Sep '19

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. Release for CentOS Linux 8 and CentOS Streams (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 24 Sep 2019 17:38:36 +0100 From: Karanbir Singh <kbsingh(a)centos.org> To: CentOS Announcements List <centos-announce(a)centos.org> Subject: [CentOS-announce] Release for CentOS Linux 8 and CentOS Streams Message-ID: <beeca6a3-6abd-2416-85e9-311571fc9990(a)centos.org> Content-Type: text/plain; charset="utf-8" We would like to announce the general availability of CentOS Linux 8 and the new CentOS Stream, on all architectures. ---------- CentOS Linux 8 This is the first release for CentOS Linux 8 and is version marked as 8.0-1905, derived from sources published by Red Hat, delivered via git.centos.org First, please read through the release notes at : http://wiki.centos.org/Manuals/ReleaseNotes/CentOSLinux8 - these notes contain important information about the release and details about some of the content inside the release from the CentOS QA team. These notes are updated constantly to include issues and incorporate feedback from the users and should be the first port of call for anyone looking to use CentOS Linux 8. ---------- CentOS Stream When the CentOS Project announced it was joining forces with Red Hat in January 2014, we put an emphasis on how the new relationship would ?(drive) forward development and adoption of next-generation open source technologies?: https://www.redhat.com/en/about/press-releases/red-hat-and-centos-join-forc… In the intervening years, the Project has grown to deliver not just a Linux distribution, but an entire set of sub-communities using new services in support of development work done on top of that distro. Special interest groups (SIGs) have provided a base for layered projects to develop on a stable platform. Additionally, CI/CD, the community build system, better Git repository hosting, and container pipelines, amongst others, have brought modern code and development practices to the broader CentOS community. With the introduction of CentOS Stream https://wiki.centos.org/Manuals/ReleaseNotes/CentOSStream we are excited to continue working with Red Hat http://redhat.com/en/blog/transforming-development-experience-within-centos to bring you the biggest step forward the CentOS Project has ever undertaken. CentOS Stream is a rolling-release Linux distro that exists as a midstream between the upstream development in Fedora Linux and the downstream development for Red Hat Enterprise Linux (RHEL). It is a cleared-path to contributing into future minor releases of RHEL while interacting with Red Hat and other open source developers. This pairs nicely with the existing contribution path in Fedora for future major releases of RHEL. In practice, CentOS Stream will contain the code being developed for the next minor RHEL release. This development model will allow the community to discuss, suggest, and contribute features and fixes into RHEL more quickly. To do this, Red Hat Engineering is planning to move parts of RHEL development into the CentOS Project in order to collaborate with everyone on updates to RHEL. There will not be a CentOS Stream for versions released in the past, this is only a forward-looking version target. Please read through the release notes at : http://wiki.centos.org/Manuals/ReleaseNotes/CentOSStream - these notes contain important information about the release and details about some of the content inside the release from the CentOS QA team. These notes are updated constantly to include issues and incorporate feedback from the users. ---------- Updates, Sources and DebugInfos Updates for both distributions are being built and will be online in the next few days to catchup. Sources and debuginfo for all the released content is also available online at mirror.centos.org and vault.centos.org; In the coming days, we will work to get the cbs.centos.org service enabled for both the new distributions, and encourage the SIG's to start considering their executions plans forward. ---------- Download In order to conserve donor bandwidth, and to make it possible to get the mirror content sync'd out as soon as possible, we recommend using torrents to get your initial installer images: Get the torrent now : http://mirror.centos.org/centos/8/isos/x86_64/CentOS-8-x86_64-1905-dvd1.tor… SHA256 707a66357f72eb822ca113991f3bb86a1ac1ed5fbc2fa5d968ed25fb48ee985c http://mirror.centos.org/centos/8-stream/isos/x86_64/CentOS-Stream-x86_64-d… SHA256: 88604a95189f91162d1f89f0ac7436f3413812506a41b8ec286baeaa833b1e91 Images, sizes and their SHA256Sum's: CentOS-8-x86_64-1905-boot.iso: 559939584 bytes SHA256 a7993a0d4b7fef2433e0d4f53530b63c715d3aadbe91f152ee5c3621139a2cbc CentOS-8-x86_64-1905-dvd1.iso: 7135559680 bytes SHA256 ea17ef71e0df3f6bf1d4bf1fc25bec1a76d1f211c115d39618fe688be34503e8 CentOS-8-ppc64le-1905-boot.iso: 567736320 bytes SHA256 9062ae0d892126f57429c3194143e6e6e5485e5f32834e03d849bf5cf075ca7a CentOS-8-ppc64le-1905-dvd1.iso: 6376304640 bytes SHA256 bfd27297da1ddc1185a08fc65e46c58efebf51b25758ff8f12d29a6214aeae39 CentOS-8-aarch64-1905-boot.iso: 520048640 bytes SHA256 18a211a826bd3dd4d034ddc529303bc2b5dc6e1b63ea311644d7698e7b67fb3e CentOS-8-aarch64-1905-dvd1.iso: 5150640128 bytes SHA256 c950cf7599a2317e081506a3e0684f665ef9c8fe66963bf7492595d7c6ccc230 CentOS-Stream-x86_64-boot.iso: 558891008 bytes SHA256 e38192400212796085b7996f21828aa8f8a72d44b64059572eb8c725e13be4cc CentOS-Stream-x86_64-dvd1.iso: 8572108800 bytes SHA256 559715017959f5967d2b9876bd27f46d8a740e1d02f59dfb8fd5e7114dd5cc79 The iso files are also available for direct download from http://mirror.centos.org/centos/8/isos/x86_64 and http://mirror.centos.org/centos/8-stream/isos/x86_64 Other media, including container, cloud, live media etc will be posted in the near future. ---------- Events We try and organise Dojo's in various parts of the world as a one day event, to bring together people who use CentOS and others who are keen to learn about CentOS. The day's focus is on sharing technical knowledge and success stories. Its also a great place to meet and talk about upcoming technologies and learn how others are using them on CentOS. Dojo at fosdem - https://wiki.centos.org/Events/Dojo/Brussels2020 Please track the page at https://wiki.centos.org/Events/ for upcoming events, and if you would like to help organise something, do get in touch with us. ---------- Getting Help The CentOS ecosystem is sustained by community driven help and guidance. The best place to start for new users is at http://wiki.centos.org/GettingHelp ---------- Thanks I'd also like to thank our donors and sponsors for their continued support for the project. Additionally, the CentOS QA team, the Core SIG team and all the associated SIG's. And thanks to everyone who contributed with ideas, code, test feedback and promoting CentOS into the ecosystem. Enjoy! - -- Karanbir Singh, Project Lead, The CentOS Project +44-207-0999389 | https://www.centos.org/ | twitter.com/CentOSProject

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Video projector vs. onboard video card
by Nicolas Kovacs 25 Sep '19

25 Sep '19

Hi, I have a CentOS 7 desktop client installed on an old Dell Optiplex computer with an Intel video card integrated into the motherboard. The card has a single VGA connector, and the 19" monitor is connected to it. I wonder how I could connect a video projector to this computer while keeping the monitor, in a mirroring configuration, e. g. output is the same on the video projector and the monitor. Do I have to replace my onboard video card by something like an NVidia GT710 graphic card with two video connectors ? Or is there a different solution for this? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32 Mob. : 06 51 80 12 12

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CentOS 8 Boot.iso image DHCP4 not working?
by Young, Gregory 24 Sep '19

24 Sep '19

I'm just wondering if anyone else is not getting a DHCPv4 address in Anaconda, using the CentOS 8 Boot.iso image? I get an IPv6 Autoconfig address, but it doesn't want to pick up a DHCPv4. This is in a Hyper-V Gen2 VM, connected to the same network all my other dev VMs are on, and picking up DHCPv4 without issue. And, congratz to the CentOS team on 2 releases in a week (or so)! Gregory Young

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CentOS 8 Everything
by Jerry Geis 24 Sep '19

24 Sep '19

HI All - Great work on 7.7 and 8.0! Will there be a "Everything" iso coming ? perhaps just not sync'd yet on mirrors? Does 7.7 support an upgrade to 8 path ? Thanks! all great stuff. Jerry

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Discuss September 2019