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by Thusitha Kumara 10 Apr '19

10 Apr '19

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Kernel panic after removing SW RAID1 partitions, setting up ZFS.
by Benjamin Smith 10 Apr '19

10 Apr '19

System is CentOS 6 all up to date, previously had two drives in MD RAID configuration. md0: sda1/sdb1, 20 GB, OS / Partition md1: sda2/sdb2, 1 TB, data mounted as /home Installed kmod ZFS via yum, reboot, zpool works fine. Backed up the /home data 2x, then stopped the sd[ab]2 partition with: mdadm --stop /dev/md1; mdadm --zero-superblock /dev/sd[ab]1; Removed /home in /etc/fstab. Used fdisk to set the partition type to gpt for sda2 and sdb2, then built *then destroyed* a ZFS mirror pool using the two partitions. Now the system won't boot, has a kernel panic. I'm remote, so I'll be going in tomorrow to see what's up. My assumption is that it has something to do with mdadm/RAID not being "fully removed". Any idea what I might have missed? Here's a screenshot of the panic http://effortlessis.com/images/IMG_0705.JPG

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CentOS Dojo at DevConf.US: CFP and Registration open
by Rich Bowen 09 Apr '19

09 Apr '19

TL;DR: CentOS Dojo on August 14th at Boston University. CFP and Registration now available at https://wiki.centos.org/Events/Dojo/DevConfUS2019 Hello, folks. We will once again be holding the CentOS Dojo at Boston University, on the day before DevConf.US 2019. The details of DevConf.US are at https://devconf.us/ and the details of the CentOS Dojo are at https://wiki.centos.org/Events/Dojo/DevConfUS2019 The call for presentations is now open, and will close May 1st. Registration is now open. It's free to attend, but we need an attendee count for planning purposes. You can see last years schedule - https://wiki.centos.org/Events/Dojo/DevConfUS2018 - for an example of what kind of presentations we might have. And we'd love to hear from you - your stories of running your infra on CentOS, the projects that you're working on, and interesting challenges you've had. Please do submit your talk proposals! Based on requests last year, we expect to do a lightning talks session, with 5-minute impromptu talks for those who don't have a full presentation. Hope to see you in Boston! -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

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Re: [CentOS] Issues when updating CentOS 7
by Jyrki Tikka 08 Apr '19

08 Apr '19

>I wanted to update my CentOS 7 install this morning and I started>getting the errors from below. >Any ideas on a fix? Certainly! >Error: Package: python34-xapps-overrides-1.0.4-13.el7.x86_64 (@epel) > Requires: xapps(x86-64) = 1.0.4-13.el7 > Removing: xapps-1.0.4-13.el7.x86_64 (@epel) > xapps(x86-64) = 1.0.4-13.el7 > Updated By: xapps-1.0.4-14.el7.x86_64 (epel) > xapps(x86-64) = 1.0.4-14.el7 > You could try using --skip-broken to work around the problem > You could try running: rpm -Va --nofiles --nodigest The package python34-xapps-overrides-1.0.4-13.el7.x86_64 has been replacedby python36-xapps-overrides-1.0.4-14.el7.x86_64 and yum can't handle it.Sometimes the problem will be solved within reasonable time but sometimes it'sjust simpler to remove and reinstall some offending package. Just remove xapps (yum remove xapps) and note which packages are removed with it.On my systems these packages were removed: Packages Altered: Erase python2-xapps-overrides-1.0.4- 13.el7.x86_64 @epel Erase python34-xapps-overrides-1.0.4- 13.el7.x86_64 @epel Erase xapps-1.0.4- 13.el7.x86_64 @epel Erase xed-1.6.2- 3.el7.x86_64 @epel Then reinstall xapps, xed, python2-xapps-overrides andinstall python36- xapps-overrides like so: Packages Altered: Install python2-xapps-overrides-1.0.4- 14.el7.x86_64 @epel Install python36-xapps-overrides-1.0.4- 14.el7.x86_64 @epel Install xapps-1.0.4- 14.el7.x86_64 @epel Install xed-1.6.2- 3.el7.x86_64 @epel <(*) Jyrki

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Automatic updates applying after reboot
by Gestió Servidors 08 Apr '19

08 Apr '19

Hello, I have noticed something I consider "a bug". Running a CentOS-7-x86_64 with kernel 3.10.0-327.13.1 and Gnome 3.14.x, my systems detects some available updates, notifies me at top bar and, if I close session, Gnome ask me if I want to apply these "pending" updates and, then, execute "shutdown" or "restart". My questions/problems are two: * this automatic updates check runs in both root session and not a root session, so if a "normal" user login, that user could logout and APPLY updates (system reboots and, during boot, updates system). I consider these situation VERY DANGEROUS, because a normal user should not be able to apply updates * what daemon controls automatic updates? pakagekit? What RPM? gnome-packagekit-updater? I NEED to disable this feature. By the moment, the only solution I have found is disablinig packagekit daemon (systemctl disable packagekit) and remove RPM "gnome-packagekit-updater". Thanks.

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Issues when updating CentOS 7
by Stelian Iancu 05 Apr '19

05 Apr '19

Hi all, I wanted to update my CentOS 7 install this morning and I started getting the errors from below. Any ideas on a fix? They seem to be related to cinnamon which I actually don't use at all (the machine was prepared by our IT at work and they install both Gnome and Cinnamon by default). Since I don't use it, I guess an option would be to remove it altogether and then I will probably not have the update issues anymore. But I would still try to find a proper way to solve this Thanks in advance! Here is the output from yum update: Resolving Dependencies --> Running transaction check ---> Package cinnamon-menus.x86_64 0:3.6.0-3.el7 will be updated ---> Package cinnamon-menus.x86_64 0:3.6.0-4.el7 will be an update ---> Package cinnamon-screensaver.x86_64 0:3.6.1-3.el7 will be updated ---> Package cinnamon-screensaver.x86_64 0:3.6.1-4.el7 will be an update --> Processing Dependency: python36-gobject(x86-64) for package: cinnamon-screensaver-3.6.1-4.el7.x86_64 --> Processing Dependency: python36-setproctitle(x86-64) for package: cinnamon-screensaver-3.6.1-4.el7.x86_64 --> Processing Dependency: python36-xapp for package: cinnamon-screensaver-3.6.1-4.el7.x86_64 --> Processing Dependency: python36-xapps-overrides(x86-64) for package: cinnamon-screensaver-3.6.1-4.el7.x86_64 ---> Package code.x86_64 0:1.32.3-1552607091.el7 will be updated ---> Package code.x86_64 0:1.33.0-1554390950.el7 will be an update ---> Package freerdp.x86_64 0:1.0.2-15.el7 will be updated ---> Package freerdp.x86_64 0:1.0.2-15.el7_6.1 will be an update ---> Package freerdp-libs.x86_64 0:1.0.2-15.el7 will be updated ---> Package freerdp-libs.x86_64 0:1.0.2-15.el7_6.1 will be an update ---> Package freerdp-plugins.x86_64 0:1.0.2-15.el7 will be updated ---> Package freerdp-plugins.x86_64 0:1.0.2-15.el7_6.1 will be an update ---> Package google-chrome-stable.x86_64 0:73.0.3683.86-1 will be updated ---> Package google-chrome-stable.x86_64 0:73.0.3683.103-1 will be an update ---> Package mint-y-theme.noarch 0:1.2.4-1.el7 will be updated ---> Package mint-y-theme.noarch 0:1.2.4-2.el7 will be an update ---> Package python2-crypto.x86_64 0:2.6.1-15.el7 will be updated ---> Package python2-crypto.x86_64 0:2.6.1-16.el7 will be an update ---> Package python2-pyxdg.noarch 0:0.25-6.el7 will be updated ---> Package python2-pyxdg.noarch 0:0.25-7.el7 will be an update ---> Package python2-xapps-overrides.x86_64 0:1.0.4-13.el7 will be updated ---> Package python2-xapps-overrides.x86_64 0:1.0.4-14.el7 will be an update ---> Package python34.x86_64 0:3.4.9-2.el7 will be obsoleted --> Processing Dependency: python(abi) = 3.4 for package: python34-gobject-base-3.22.0-4.el7.x86_64 --> Processing Dependency: python(abi) = 3.4 for package: python34-gobject-3.22.0-4.el7.x86_64 --> Processing Dependency: python(abi) = 3.4 for package: python34-xapp-1.0.1-8.el7.noarch --> Processing Dependency: python(abi) = 3.4 for package: python34-xapps-overrides-1.0.4-13.el7.x86_64 --> Processing Dependency: python(abi) = 3.4 for package: python34-setproctitle-1.1.6-2.el7.x86_64 --> Processing Dependency: python(abi) = 3.4 for package: python34-psutil-2.2.1-5.el7.x86_64 --> Processing Dependency: python(abi) = 3.4 for package: python34-cairo-1.10.0-24.el7.x86_64 ---> Package python34-libs.x86_64 0:3.4.9-2.el7 will be obsoleted --> Processing Dependency: libpython3.4m.so.1.0()(64bit) for package: python34-3.4.9-3.el7.x86_64 --> Processing Dependency: libpython3.4m.so.1.0()(64bit) for package: python34-setproctitle-1.1.6-2.el7.x86_64 --> Processing Dependency: libpython3.4m.so.1.0()(64bit) for package: python34-cairo-1.10.0-24.el7.x86_64 --> Processing Dependency: libpython3.4m.so.1.0()(64bit) for package: python34-psutil-2.2.1-5.el7.x86_64 ---> Package python34-psutil.x86_64 0:2.2.1-4.el7 will be updated ---> Package python34-psutil.x86_64 0:2.2.1-5.el7 will be an update ---> Package python36.x86_64 0:3.6.6-5.el7 will be obsoleting ---> Package python36-libs.x86_64 0:3.6.6-5.el7 will be obsoleting ---> Package xapps.x86_64 0:1.0.4-13.el7 will be updated --> Processing Dependency: xapps(x86-64) = 1.0.4-13.el7 for package: python34-xapps-overrides-1.0.4-13.el7.x86_64 ---> Package xapps.x86_64 0:1.0.4-14.el7 will be an update --> Running transaction check ---> Package python34.x86_64 0:3.4.9-2.el7 will be updated ---> Package python34.x86_64 0:3.4.9-3.el7 will be an update ---> Package python34-libs.x86_64 0:3.4.9-2.el7 will be updated ---> Package python34-libs.x86_64 0:3.4.9-3.el7 will be an update ---> Package python36-gobject.x86_64 0:3.22.0-6.el7 will be installed --> Processing Dependency: python36-gobject-base(x86-64) = 3.22.0-6.el7 for package: python36-gobject-3.22.0-6.el7.x86_64 --> Processing Dependency: python36-cairo(x86-64) for package: python36-gobject-3.22.0-6.el7.x86_64 ---> Package python36-setproctitle.x86_64 0:1.1.6-3.el7 will be installed ---> Package python36-xapp.noarch 0:1.0.1-9.el7 will be installed --> Processing Dependency: python36-psutil for package: python36-xapp-1.0.1-9.el7.noarch ---> Package python36-xapps-overrides.x86_64 0:1.0.4-14.el7 will be installed ---> Package xapps.x86_64 0:1.0.4-13.el7 will be updated --> Processing Dependency: xapps(x86-64) = 1.0.4-13.el7 for package: python34-xapps-overrides-1.0.4-13.el7.x86_64 --> Running transaction check ---> Package python36-cairo.x86_64 0:1.10.0-25.el7 will be installed ---> Package python36-gobject-base.x86_64 0:3.22.0-6.el7 will be installed ---> Package python36-psutil.x86_64 0:2.2.1-5.el7 will be installed ---> Package xapps.x86_64 0:1.0.4-13.el7 will be updated --> Processing Dependency: xapps(x86-64) = 1.0.4-13.el7 for package: python34-xapps-overrides-1.0.4-13.el7.x86_64 --> Finished Dependency Resolution Error: Package: python34-xapps-overrides-1.0.4-13.el7.x86_64 (@epel) Requires: xapps(x86-64) = 1.0.4-13.el7 Removing: xapps-1.0.4-13.el7.x86_64 (@epel) xapps(x86-64) = 1.0.4-13.el7 Updated By: xapps-1.0.4-14.el7.x86_64 (epel) xapps(x86-64) = 1.0.4-14.el7 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest

2 1

Seek some help on operating system drivers. Thanks!
by JICHUN LIU 05 Apr '19

05 Apr '19

Hello, I am a user of CentOS 7.6. I came here for help. I recently bought a microserver called HPE Proliant MicroServer Gen10(X3216 APU). CentOS 7.6 was installed for it. I found that the fan of the machine would keep turning and the noise was very loud. I searched everywhere but I couldn't find any way out. Pardon my ignorance showing. I don’t know where to seek help. When I use sensors-detect: Sorry, no sensors were detected. Either your system has no sensors, or they are not supported, or they are connected to an I2C or SMBus adapter that is not supported. If you find out what chips are on your board, check http://www.lm-sensors.org/wiki/Devices for driver status. Some info about my microserver: [root@centos7 ~]# lsb_release -a LSB Version: :core-4.1-amd64:core-4.1-noarch Distributor ID: CentOS Description: CentOS Linux release 7.6.1810 (Core) Release: 7.6.1810 Codename: Core [root@centos7 ~]# lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Complex 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Wani [Radeon R5/R6/R7 Graphics] (rev 87) 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:02.5 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:08.0 Encryption controller: Advanced Micro Devices, Inc. [AMD] Device 1578 00:09.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 157d 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 20) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 49) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 49) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 4a) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 0 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 5 01:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9230 PCIe SATA 6Gb/s Controller (rev 11) 02:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5720 Gigabit Ethernet PCIe 02:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5720 Gigabit Ethernet PCIe

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git.centos.org : Delayed migration
by Fabian Arrotin 05 Apr '19

05 Apr '19

Due to unexpected circumstances , we have to delay the git.centos.org migration. I'll post an update when we'll have all details, but it seems it would be only delayed for some days. Thanks for your comprehending, -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 56BEC54E | twitter: @arrfab

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New post message
by Konstantin Msk 05 Apr '19

05 Apr '19

Hello! On my server PC i have Centos 7 installed. CentOS Linux release 7.6.1810. There are four arrays RAID1 (software RAID) md124 - /boot/efi md125 - /boot md126 - /bd md127 - / I have configured booting from both drives, everything works fine if both drives are connected. But if I disable any drive from which RAID1 is built the system crashes, there is a partial boot and as a result the Entering emergency mode. By all rules RAID1 in case of similar failure of one of disks the system has to recognize this moment at loading, analyze that from the array only one disk is available and forcibly assemble inactive RAID array in case it is degraded in the mode when the second disk is missing may be... In Debian system this problem does not occur, the initramfs runs the script /scripts/local-block/mdadm builds the array from one dostoinogo disc ( lack of drive is not important, it's either a drive failure or disconnection from power-random or not random). In this script You can see the following ...... if [ "$COUNT" = "$MAX" ] then # Poor man's mdadm-last-resort@.service for incremental devices mdadm -q --run /dev/md?* # And last try for all others mdadm -q --assemble --scan --run rm -f /run/count.mdadm.initrd .... Why in server Centos 7 this problem is still not solved? Will this be fixed in upcoming releases? Best Regards AndersonGH

3 6

Ark vs. RAR files under CentOS 7
by Nicolas Kovacs 05 Apr '19

05 Apr '19

Hi, Over the past weeks, I've configured and fine-tuned a bells-and-whistles desktop based on CentOS 7 and KDE, which I've documented in detail on my blog: * https://www.microlinux.fr/poste-de-travail-entreprise-centos-7-kde/ So far I have one single thing that's not working. It's a little detail, but I'm sure it will come bite me, since I know some of my users need this functionality. Ark (KDE's archive manager) can't handle RAR files, even though unrar is installed under the hood. It looks like I have to rebuild Ark to get this functionality. Before I do that, I thought I'd rather ask if there is a more straightforward solution to this. Some third-party repositories (like Nux-Dextop) offer rebuilt packages like k3b-freeworld or audacity-freeworld with extended functionality. Does anybody know of an ark-freeworld package that's out there somewhere? Cheers from the sunny South of France, 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

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