Discuss December 2019

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89 participants
80 discussions

Adding kmod to pxe install
by Alexandre Leonenko 04 Dec '19

04 Dec '19

Hey guys, I'm stumped in how to add the kmod rpm to pxe install. I need it to be installed but also loaded during the install as well. The rpm in question is the 3w-9xxx from elrepo https://centos.pkgs.org/8/elrepo-x86_64/kmod-3w-9xxx-2.26.02.014-1.el8_0.el… I'm constantly getting the following message Warning: can't find installer main image path in .treeinfo Any help or pointing in right direction would be appreciated. Regards, Alex

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CentOS 7 as a guest VM
by Jerry Geis 03 Dec '19

03 Dec '19

I am experiencing an issue that my process does not wake out of a select() call when a single character is received in an input file descriptor when running as a VMware guest. Anyone ever experienced this ? I can run tshark and see the character arrive, but my process does not wake up and see that character. Most times it works - but once in a while it does not. So I made a change on my code - and did not just wait on select() - but just try to read the buffer all the time and print the results. once in a while that character is "delayed" getting to my input buffer. Top reports the machine is 99% idle. Any thoughts? Jerry

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Kernel Panic: BUG: unable to handle kernel paging request at 0000000180200037 | pkla-check-auth
by Gokan Atmaca 03 Dec '19

03 Dec '19

Hello I'm using centos 7. At uncertain times I suddenly get the following error. The system is panic. Then it restarts automatically. I have updated the package ( pkla-check-auth ) but the problem persists. My virtualization environment is KVM. (Host Centos7 , Guest Centos7. Problem Guest VM) Can you help me ? rpm -qa |grep pkla polkit-pkla-compat-0.1-4.el7.x86_64 KERNEL: /usr/lib/debug/lib/modules/3.10.0-957.27.2.el7.x86_64/vmlinux DUMPFILE: /var/crash/127.0.0.1-2019-12-02-00:00:36/vmcore [PARTIAL DUMP] CPUS: 8 DATE: Mon Dec 2 00:00:15 2019 UPTIME: 10 days, 11:35:12 LOAD AVERAGE: 0.06, 0.55, 0.63 TASKS: 1545 NODENAME: AO101 RELEASE: 3.10.0-957.27.2.el7.x86_64 VERSION: #1 SMP Mon Jul 29 17:46:05 UTC 2019 MACHINE: x86_64 (3191 Mhz) MEMORY: 16 GB PANIC: "BUG: unable to handle kernel paging request at 0000000180200037" PID: 6461 COMMAND: "pkla-check-auth" TASK: ffff8dd98f3b2080 [THREAD_INFO: ffff8dd990e70000] CPU: 2 STATE: TASK_RUNNING (PANIC)

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CentOS Dojos, 2020 (And call for volunteers)
by Rich Bowen 03 Dec '19

03 Dec '19

Hi, folks, I would like to (slightly) expand our number of CentOS Dojos in 2020. (If you're not familiar with the concept of Dojos, please read https://wiki.centos.org/Events/Dojo/ and perhaps attend our event in Brussels in January! https://wiki.centos.org/Events/Dojo/Brussels2020 ) For 2020, we have tentatively 3 planned: * FOSDEM Dojo (Jan 31) * Oak Ridge National Labs (September) * CERN (October, I think) Dojos are typically held one of three places: * Colocated with an existing tech event (like the FOSDEM event) * At a business, or research org, like ORNL/CERN * At a University, targeted at students (We have done events at Univ Cincinnati, Univ Kentucky, Boston University, and are hoping to do something at UTenn in 2020) If you are interested in hosting a Dojo, please get in touch with me. I can offer some budget, planning logistics, promotion, and help finding speakers. What I'm looking for from you is a venue, local contacts for help getting stuff done, and possibly someone to act as an MC for those events that I am unable to attend in person. -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

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Centos 8 install of squirrelmail
by Earl Terwilliger 03 Dec '19

03 Dec '19

Hi, I am trying to install Squirrelmail on Centos 8 but it seems that package is missing in the EPEL repo for Centos 8? Anyone know if this was on purpose or how to tell which packages won't be created? Thanks, Earl

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SELinux is preventing 11-dhclient from add_name access on the directory chrony.servers.wlp8s0.
by Ger van Dijck 02 Dec '19

02 Dec '19

SELinux is preventing 11-dhclient from add_name access on the directory chrony.servers.wlp8s0. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that 11-dhclient should be allowed add_name access on the chrony.servers.wlp8s0 directory by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c '11-dhclient' --raw | audit2allow -M my-11dhclient # semodule -X 300 -i my-11dhclient.pp Additional Information: Source Context system_u:system_r:NetworkManager_t:s0 Target Context system_u:object_r:dhcpc_state_t:s0 Target Objects chrony.servers.wlp8s0 [ dir ] Source 11-dhclient Source Path 11-dhclient Port <Unknown> Host castor Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.14.4-40.fc31.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name castor Platform Linux castor 5.3.12-300.fc31.x86_64 #1 SMP Thu Nov 21 22:52:07 UTC 2019 x86_64 x86_64 Alert Count 2 First Seen 2019-11-30 18:03:35 CET Last Seen 2019-12-01 11:16:46 CET Local ID 0370e7fd-a826-4c80-8239-747a7528c5af Raw Audit Messages type=AVC msg=audit(1575195406.740:277): avc: denied { add_name } for pid=1466 comm="11-dhclient" name="chrony.servers.wlp8s0" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:dhcpc_state_t:s0 tclass=dir permissive=0 Hash: 11-dhclient,NetworkManager_t,dhcpc_state_t,dir,add_name -- Using Opera's mail client: http://www.opera.com/mail/

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update CentOS 7 at Nov 05 2019
by Helmut Drodofsky 02 Dec '19

02 Dec '19

yum update was run 23.10.19 and then 05.11.19 to the beginning of the update 5.11.2019 kernel logging to /var/log/messages was ok. During the update at 5.11.2019 logging to /var/log/messages finished. I persume, this bug began during processing updates. yum-log shows: ........... Nov 05 14:56:54 Installed: virt-viewer-5.0-15.el7.x86_64 Nov 05 15:59:28 Installed: nbdkit-1.8.0-1.el7.x86_64 ........ kernel logs ended 14:56. Last line: Nov 5 14:56:48 york yum[28571]: Installed: spice-server-0.14.0-7.el7.x86_64 any help to have kernel logging again? -- Viele Grüße Helmut Drodofsky Internet XS Service GmbH Heßbrühlstraße 15 70565 Stuttgart Geschäftsführung Helmut Drodofsky HRB 21091 Stuttgart USt.ID: DE190582774 Fon: 0711 781941 0 <tel:+497117819410> Fax: 0711 781941 79 Mail: info(a)internet-xs.de www.internet-xs.de

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several VMs have suddenly quit working, in VBox.
by Fred Smith 02 Dec '19

02 Dec '19

Hi all! I have several VMs, all in virtualbox 6.0.14 and all the VBOX add-ons are up to date. I don't use them daily, last used any of them probably 4-6 weeks ago, pretty sure it was already running 6.0.14 by that time. they were all fine when last used. Two of them are C7, one is a clone of the other, and the other is C8. each seems to have different symptoms. the C7 clone claims there is no initramfs, no matter which kernel I try to boot. See first attachment. -- ------------------------------------------------------------------------------- Under no circumstances will I ever purchase anything offered to me as the result of an unsolicited e-mail message. Nor will I forward chain letters, petitions, mass mailings, or virus warnings to large numbers of others. This is my contribution to the survival of the online community. --Roger Ebert, December, 1996 ----------------------------- The Boulder Pledge -----------------------------

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CLAMD and EXIM - anyone got it working`
by Gary Stainburn 01 Dec '19

01 Dec '19

Has anyone actually got CLAMD and EXIM working? I've just had a go on a new VPS server without success. The only thing that happened was that my server slowed because clamd was hogging CPU. I have done a lot of googling and all I found was a couple of howto's that said the same thing, and my questions from 2015 which is the last time I tried this. I can get clamd / freshclam etc installed, although from the two howto's I worked from I had to edit / create service files and edit config files. However, I still do not manage to get a clamd.exim socket created on my system.

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External HD partitioning & formatting considerations
by Nicolas Kovacs 01 Dec '19

01 Dec '19

Hi, One of my clients has a mixed Linux/Mac OS/Windows environment in his office. He just purchased a 4 TB external hard disk, which he intends to use on his various workstations. Up until recently, I've been using plain old MBR/FAT for hard disks in mixed environments. Fire up fdisk, make one big 0b type partition, and then format it using mkdosfs. Unfortunately, there's a 2 TB limit to that. Of course, I could still use a GPT partition, but then I'd still have to format it using a "common denominator" filesystem, e. g. FAT... which is also limited to 2 TB as far as I know. So what now? Use Windows 10 to format the disk using NTFS? This, Windows and Linux could use it, and I'd have to check if Mac OS can manage NTFS file systems. A few years ago, it didn't. Any suggestions? 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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Discuss December 2019