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CentOS-announce Digest, Vol 151, Issue 7
by centos-announce-request＠centos.org 26 Sep '17

26 Sep '17

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. Announcing the release of Gluster 3.12 on CentOS Linux 7 x86_64 (Niels de Vos) ---------------------------------------------------------------------- Message: 1 Date: Tue, 26 Sep 2017 12:41:44 +0200 From: Niels de Vos <ndevos(a)redhat.com> To: centos-announce(a)centos.org Subject: [CentOS-announce] Announcing the release of Gluster 3.12 on CentOS Linux 7 x86_64 Message-ID: <20170922113231.GK4899(a)ndevos-x240.usersys.redhat.com> Content-Type: text/plain; charset="us-ascii" I am happy to announce the General Availability of Gluster 3.12 for CentOS 7 on x86_64. These packages are following the upstream Gluster Community releases, and will receive monthly bugfix updates. Gluster 3.12 is a Long-Term-Maintenance release, and will receive updates for approximately 18 months. The difference between Long-Term-Maintenance and Short-Term-Maintenance releases is explained on the Gluster release schedule page: https://www.gluster.org/community/release-schedule/ Users of CentOS 7 can now simply install Gluster 3.12 with only these two commands: # yum install centos-release-gluster # yum install glusterfs-server The centos-release-gluster package is delivered via CentOS Extras repos. This contains all the metadata and dependency information, needed to install Gluster 3.12. The actual package that will get installed is centos-release-gluster312. Users of the now End-Of-Life Short-Term-Maintenance Gluster 3.11 will automatically get the update to Gluster 3.12, whereas users of Gluster 3.10 can stay on that Long-Term-Maintenance release for an other six months. Users of Gluster 3.8 will need to manually upgrade by uninstalling the centos-release-gluster38 package, and replacing it with either the Gluster 3.12 or 3.10 version. Additional details about the upgrade process are linked in the announcement from the Gluster Community: http://lists.gluster.org/pipermail/announce/2017-September/000082.html We have a quickstart guide specifically built around the packages are available, it makes for a good introduction to Gluster and will help get you started in just a few simple steps, this quick start is available at https://wiki.centos.org/SpecialInterestGroup/Storage/gluster-Quickstart More details about the packages that the Gluster project provides in the Storage SIG is available in the documentation: https://wiki.centos.org/SpecialInterestGroup/Storage/Gluster The centos-release-gluster* repositories offer additional packages that enhance the usability of Gluster itself. Utilities and tools that were working with previous versions of Gluster are expected to stay working fine. If there are any problems, or requests for additional tools and applications to be provided, just send us an email with your suggestions. The current list of packages that is (planned to become) available can be found here: https://wiki.centos.org/SpecialInterestGroup/Storage/Gluster/Ecosystem-pkgs We welcome all feedback, comments and contributions. You can get in touch with the CentOS Storage SIG on the centos-devel mailing list (https://lists.centos.org ) and with the Gluster developer and user communities at https://www.gluster.org/mailman/listinfo , we are also available on irc at #gluster on irc.freenode.net, and on twitter at @gluster . Cheers, Niels de Vos Storage SIG member & Gluster maintainer

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Notice: Check your tuned settings for a performance boost.
by Jim Perrin 26 Sep '17

26 Sep '17

Last week we noticed that the default scheduler isn't being set properly in CentOS 7. I haven't checked this for CentOS 6, but it might be worth exploring. The TL;DR is unless you're running CentOS 7 on a laptop or as a virtual guest, you should probably run 'tuned-adm profile throughput-performance' I wrote up the full details here -> http://jperrin.org/centos/boosting-centos-server-performance/ -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77

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Gnome dark panels
by Tim 26 Sep '17

26 Sep '17

Hi all, simple question and possibly a simple answer: How to get a globally dark theme, so that the panels will also be dark? gnome-tweak-tool doesn't work here. Regards Tim

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System shutdown on OOM
by Thomas Plant 26 Sep '17

26 Sep '17

Hello all, had an issue on with a virtualmachine on XenServer 7.0 yesterday. It is a Centos 7.4.1708 and in a OOM situation it just shut down. No kernel panic where I could see a message, but it just turned itself off. All I could see in the /var/log/messages was the following: ------------------------------------------------------------------------ Sep 24 03:11:08 hostname xe-daemon: Running CollectDisk ... Sep 24 03:11:21 hostname kernel: httpd invoked oom-killer: gfp_mask=0x280da, order=0, oom_score_adj=-1000 Sep 24 03:11:22 hostname kernel: httpd cpuset=/ mems_allowed=0 Sep 24 03:11:22 hostname kernel: CPU: 0 PID: 31557 Comm: httpd Not tainted 3.10.0-514.21.1.el7.x86_64 #1 Sep 24 03:11:22 hostname kernel: Hardware name: Xen HVM domU, BIOS 4.6.1-xs125300 05/09/2016 Sep 24 03:11:22 hostname kernel: ffff88000d9eb000 0000000023d5076e ffff8800120f3a78 ffffffff81686f13 Sep 24 03:11:22 hostname kernel: ffff8800120f3b08 ffffffff81681ebe ffffffff812aee5b ffff88003bf85910 Sep 24 03:11:22 hostname kernel: ffff88003bf85928 ffffffff00000206 fbfeefff00000000 0000000000000007 Sep 24 03:11:22 hostname kernel: Call Trace: Sep 24 03:11:22 hostname kernel: [<ffffffff81686f13>] dump_stack+0x19/0x1b Sep 24 03:11:22 hostname kernel: [<ffffffff81681ebe>] dump_header+0x8e/0x225 Sep 24 03:11:22 hostname kernel: [<ffffffff812aee5b>] ? cred_has_capability+0x6b/0x120 Sep 24 03:11:22 hostname kernel: [<ffffffff8113d203>] ? delayacct_end+0x73/0xb0 Sep 24 03:11:22 hostname kernel: [<ffffffff81184cfe>] oom_kill_process+0x24e/0x3c0 Sep 24 03:11:22 hostname kernel: [<ffffffff8118479d>] ? oom_unkillable_task+0xcd/0x120 ------------------------------------------------------------------------ Anybody seen this before? Is there a way to configure it so that it does a reboot instead of a shutdown? Greetings, Thomas

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VNC into CentOS 7.4
by Jerry Geis 26 Sep '17

26 Sep '17

When I VNC into 7.4 everything is fine until I run vmplayer (VMware). The vmplayer runs but when I type on the console for vmplayer which is also running a centos image I get multiple key presses - sometimes. Its not everytime - but enough to be annoying. How do I take care of that ? Jerry

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gtk3 update causing havoc
by Paul Johnson 25 Sep '17

25 Sep '17

On my lab systems, the automatic updates were failing because of the problems with ipod libraries from EPEL being in the way. It turns out that was a good thing, because when I "fixed" it, a massive set of packages was updated, including the new gtk3. These packages are the ones causing problems, I think. gtk3-3.22.10-4.el7.x86_64 gtk3-devel-3.22.10-4.el7.x86_64 In the release notes, there is mention of the "giant icon" problem and how to fix that. We understand that part. The bad problem I see now is that Emacs and Chromium-browser, which rely on gtk3 don't work properly anymore. In Emacs, the symptom is that the ribbon of buttons under the pull down menu will no longer show. In Chromium, the buttons and other widget things on the top are an ugly yellow distortion. I've recompiled the Emacs that comes with EL7, as well as 24.5, and the Emacs behaves the same way, no buttons show. The buttons are invisible, but still there. If you click in there, you can get lucky. Do you see it too in Emacs? I see some posts that say the Gnome themes don't work any more with GTK and those themes should have been deprecated by the gtk3 packages. I don't think the theme is the cause because I see same problem in both Gnome and XFCE4 desktops. I see it also if I SSH into the machine and run emacs forwarded over X11. I just realized that on Ubuntu I'm running gtk-3.22.11 with Emacs 24.5 and the icons do show. Maybe there is a change in the compiler flag for Emacs that I'm missing. pj -- Paul E. Johnson http://pj.freefaculty.org Director, Center for Research Methods and Data Analysis http://crmda.ku.edu To write to me directly, please address me at pauljohn at ku.edu.

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7.4 network issues
by Alice Wonder 25 Sep '17

25 Sep '17

Two onboard nics, Intel, eno1 and eno2 If either of them is set to onboot then network won't start. one error message says :bad vendor preset disabled Another error message (in red) says Failed to start LSB If I can find a USB key there is an updated kmod-wl src.rpm that *may* bring up my wifi, but I am not sure I have access to a USB key at the moment. The motherboard is supermicro and the onboard nics are Intel which I thought were well supported, but I do remember going from 7.2 to 7.3 on a server IPv6 was bricked because of changes to how the /sbin/ifconfig scripts were configured. This one (is a xeon, server board, but its my desktop) I think started life as 7.2 and was at 7.3 before this update - in case there's a similar issue with incompatibilities with config file after update. I've not used the nics before, always just used wifi. What's the secret to getting them to connect via dhcp onboot at least long enough to try and get the broadcom wifi working again? -- -=- Sent my from my laptop, may not be able to respond timely

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Bricked my system
by Alice Wonder 25 Sep '17

25 Sep '17

Updated to CentOS 7.4 No wifi. The wifi was using wl-something driver that had third party firmware but it wasn't seen. Attempted to get network with ethernet from the mobo to router but it wouldn't come up. So I rebuilt the wl-whatever kernel module and installed the updated version built against the newer kernel. Now when attempting to boot it gets stuck at "i8042 no controller found" and stops. That message is always there, either lack of serial port or lack of PS/2 ports - I forget - but the boot now hangs there. It's caused by the wl-whatever kmod update I tried trying to get network back, but I can't remove that rpm if I can't boot. Help. -- -=- Sent my from my laptop, may not be able to respond timely

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yum groupinstall vs. yum group install
by Nicolas Kovacs 25 Sep '17

25 Sep '17

Hi, Is there a difference between 'yum groupinstall' and 'yum group install'? As far as I can tell, # yum groupinstall "X Window System" and # yum group install "X Window System" get me the same result. Just curious. Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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Re: [CentOS] [Slightly OT] Use CentOS to create a bootable Mac OS X DVD from dmg file?
by Nicolas Kovacs 25 Sep '17

25 Sep '17

Le 23/09/2017 à 19:36, Remik.ca a écrit : > If you are just upgrading, you don't need to burn any DVDs. Just mount the dmg and run the included installer. > > You'd only need to burn the DVD if you wanted to wipe the MBP and do a clean install. > > Or - use Recovery Mode and do entire macOS installation over the internet, no boot DVDs required, just internet access (wired of wifi). It will download the OS files directly from Apple servers and install on the local machine. > file:///home/kikinovak/ISO/CentOS/CentOS-7-x86_64-LiveKDE-1708 Long story short, I can't seem to upgrade this thing. But the good news is, I've booted a few Linux Live CDs, and I think I'll just replace Mac OS X with CentOS 7, if possible. Anyone here with experience on installing CentOS on a MacBook Pro? This model is from 2009. As far as I know (correct me if I'm wrong), Apple hardware always uses EFI. What can I expect? Flawless installation or countless hours of suffering due to completely unexpected problems? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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