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34748 discussions

systemd-coredump service
by sthustfo 04 Jan '20

04 Jan '20

I am unable to locate systemd-coredump service on CentOS 7.5. It is not listed under "systemctl -a" and also I'm unable to locate the associated unit file (folder /usr/lib/systemd/system/ ). Am I missing any package which installs this service?

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tomcat package and repo for centos8
by Rainer Traut 02 Jan '20

02 Jan '20

Hi all, sadly there is no epel tomcat package so far. As per https://bugzilla.redhat.com/show_bug.cgi?id=1745960 there is no progress for three months. Is there any other third party repository which builds tomcat for centos/rhel 8? Thx Rainer

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Nasty Fail2Ban update for Centos 7
by Allan 02 Jan '20

02 Jan '20

Hi all... Recently a new Fail2Ban was available among some other updates for my Centos 7 system, and I just updated all. It seems that was a very BAD idea. Just noticed that Fail2Ban have generated a 6MB error log because of the update, and FirewallD a 1MB log of errors ! (not sure if any of those were really working after this) ok, I'll just run yum downgrade fail2ban I thought. Naa, no way back - Epel doesn't have a fallback option ! Then gotta dig into Koji, to find the old version, download it, and downgrade to that - and pew, everything is back to normal. The old one seems to be version 0.9.7 and the new one is 0.10.4 I haven't had time to look into Fail2Bans info about these 2 version, but since there is a major version change - is it really possible to just upgrade these ? Sure, I would love to have a working 0.10.4 for my Centos 7 - but it shouldn't destroy my existing system - or it should at least warn me about that - or what to fix. Allan.

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CentOS 7 as a Fibre Channel SAN Target
by Steffan A. Cline 02 Jan '20

02 Jan '20

For quite some time I’ve been using FreeNAS to provide services as a NAS over ethernet and SAN over Fibre Channel to CentOS 7 servers each using their own export, not sharing the same one. It’s time for me to replace my hardware and I have a new R720XD that I’d like to use in the same capacity but configure CentOS 7 as a Fibre Channel target rather than use FreeNAS any further. I’m doing virtualization and this will allow me to have failover from one node to the other since they’ll all be sharing the same export rather than me simply backing up to the FreeNAS server the way I am now. Does anyone know of any really good current articles that explain how to set up CentOS 7 as the target in such a configuration and also setting up CLVMd so they can all share an export over Fibre Channel from CentOS 7? Steffan A. Cline steffan(a)hldns.com 602-793-0014

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KVM Random Reboots AMD EPYC Server
by Helmut Drodofsky 01 Jan '20

01 Jan '20

our new Server with AMD EPYC and super micro board reboots ramdonly. There is no error message before the reboot in /var/log/messages. we are running 2 Server with VMWare workstation without any problem. The new server should run KVM. older servers with AMD (before EPYC) running KVM without any problem. any idea or recommendation? -- 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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Nginx and SELinux on CentOS 7
by Nicolas Kovacs 01 Jan '20

01 Jan '20

Hi, I'm currently fiddling with Nginx on CentOS 7. Eventually I want to use it instead of Apache on some servers. Apache works more or less out of the box with SELinux. My websites are all stored under /var/www, and ls -Z shows me that all files created under /var/www are correctly labeled httpd_sys_content_t. On my sandbox server I don't have Apache (httpd) installed, only Nginx (the nginx package from EPEL). I manually created the /var/www directory and put a handful of static websites in there to play around with. Curiously enough, I got a SELinux alert. I took a peek in /var/www, and here's what the SELinux context looks like: unconfined_u:object_r:var_t:s0 Now I'm a bit puzzled. Is the correct httpd_sys_content_t context only applied if the httpd package is installed? How else can I explain this strange behavior? 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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lapack
by Michael Hennebry 01 Jan '20

01 Jan '20

Has anyone gotten lapack to work on centos 7? If so, how? Most recently, I installed lapace-devel and let yum bring in what it wanted. Whenever I try to link, I get a long list of undefined references ending with /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/liblapacke.so: undefined reference to `dgeevx_' [hennebry@localhost test]$ nm -D /usr/lib64/libblas.so | grep dge 0000000000018850 T dgemm_ 0000000000011080 T dgemv_ 00000000000170c0 T dger_ [hennebry@localhost test]$ confirmes that the reference is not there. Installing blas or atlas first does not help. When installing lapack-devel, yum always wants to install blas-devel. What do I need? -- Michael hennebry(a)web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards

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cannot install Centos 8 Stream
by Paul de Vries 30 Dec '19

30 Dec '19

I want to install Centos Stream on an older server. the Areca ARC-1680 RAID Controller is not supported anymore, so I tried to install on an external USB drive. i did a manual partitioning: sdc1 /boot/efi efi system partition sdc2 /boot ext4 sdc3 / lvm and the system cannot boot - hangs forever. new try: sdc1 /boot/efi, efi system partition sdc2 / xfs at end of install i see 'bootloader install failed'. debug shows 'NOTICE root:83haiku: debug: /dev/sdc1 is not a beFS partiotion: exiting' then i did an automatic partitioning and got no efi partition. and the system cannot boot - hangs forever. HOW do i install centos stream on external usb disk with efi boot?

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looking for rpms in CentOS 8
by Patrick Rael 30 Dec '19

30 Dec '19

Hi, I can't find 3 rpms (for now, maybe more later) in centos 8, which are available for centos 7 and 6. perl-Crypt-SSLeay perl-Data-Validate-IP ndisc6 Any ideas why these aren't in the repos yet? I'm using these repos below and I've browsed repos searching for these. # dnf repolist ... repo id repo name status AppStream CentOS-8 - AppStream 5,089 BaseOS CentOS-8 - Base 2,843 Stream-AppStream CentOS-Stream - AppStream 4,629 Stream-BaseOS CentOS-Stream - Base 2,326 Stream-extras CentOS-Stream - Extras 3 cr CentOS-8 - cr 6,338 *epel Extra Packages for Enterprise Linux 8 - x86_64 3,732 extras CentOS-8 - Extras 3 Plus, I just want to say thanks for the entire CentOS team and community, you do a lot of work that is critical, and is highly appreciated! -->Pat ---------

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Does Centos kernel support usb w/ UASP ?
by Fred Smith 30 Dec '19

30 Dec '19

Looking to buy a new usb-attached RAID box for nightly backups, and I see that many of them now support usb 3.1 with UASP. Looking at add-in usb 3.1 cards (my motherboard is probably too old, and only supports usb 3.0) to go with it, but don't know if the old kernel RH/Centos uses supports UASP. Chipset dependent? If one can trust the product images on Amazon, most of them use an asmedia 2142 chip. Anyone know? Thanks in advance! Fred -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- God made him who had no sin to be sin for us, so that in him we might become the righteousness of God." --------------------------- Corinthians 5:21 ---------------------------------

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