Discuss June 2020

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103 participants
87 discussions

About support for AMD ROME CPUs
by 肖正刚 21 Jun '20

21 Jun '20

Hi, all We use AMD Rome CPUs, like EPYC 7452. RHEL said that RHEL 7.6.6 began to support these cpus(detials: https://access.redhat.com/support/policy/amd) , but we found that CentOS7.6 with kernel 3.10.0-957.21.3.el7.x86_64 also works fine. So, my questions are: 1) Is there any place that i can find the cpu support info? 2) Dose the kernel 3.10.0-957.21.3.el7.x86_64 from CentOS7.6 already contains changes made by kernel 3.10.0-957.27.2.el7 from RHEL7.6? 3) Does the kernel update has a release note or something like that and where to find ? Any suggestions will help ! Thanks

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Installing owncloud on CentOS 7 server
by H 19 Jun '20

19 Jun '20

I transitioning an owncloud installation from a C6 server to a new C7 server and used yum install owncloud to install it on the C7 server. I expected /var/www/owncloud to be generated but alas not. Quick Googling just showed examples of installing from the latest owncloud repository but not using yum. Have I missed something obvious when using yum to install?

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Updating microcode_ctl froze Centos7
by Robin Lee 19 Jun '20

19 Jun '20

Today when I ran yum update two packages came up microcode_ctl and unbound-libs. The updating process went fine until it outputted Running transaction Updating : 2:microcode_ctl-2.1-61.6.el7_8.x86_64 then it just froze. I could no longer ssh to the machine and the console was just blank. I had to shut down it hard. It came back up seemingly fine. But yum update doesn't work anymore. It says "Error importing repomd.xml from base/7/x86_64: Damaged repomd.xml file" I looked at the logs, but journalctl only shows the latest boot on this machine. So I guess I have three questions - Any idea what happened with the update process? - How can I repair repomd.xml? - How do I configure journalctl to store more boots? /Robin

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Amd es1000
by paride desimone 19 Jun '20

19 Jun '20

Hi, i have a proliant dl380 g5, with an amd as1000. I try to install centos8 with gui, but when try to start the new installed system, the xserver don't start. There is a throuble with the amd es1000 driver. This grafic card, seems not supported more from amd. I need a minimalistic gui for study for rhcsa certification. The gui is mandatory for the exam. Any help? Paride

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Bootable USB keys : which brand ?
by Nicolas Kovacs 19 Jun '20

19 Jun '20

Hi, In my daily work I'm mainly using USB keys for work : one with CentOS 7, one with OpenSUSE Leap 15.1, one with Slax Live for data recovery purposes, one with Ghost4Linux and one with FreeDOS which I use for flashing the odd BIOS. Last week I bought a set of three flashy colored USB keys in a local shop. To my surprise, none of them seem to be able to boot anything. When I write a bootable image (CentOS, OpenSUSE, whatever) to any one of the USB keys, the USB key boot option doesn't show up on any one of my sandbox PCs. Looks like I just learnt the hard way that some USB keys can't be used for installation purposes. As far as I can tell, I need a set of 8 GB keys so the biggest image, the CentOS 8 ISO, can fit. Can you recommend a no-nonsense USB key brand which I can use to make a set of USB installation keys ? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Blog : https://blog.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32 Mob. : 06 51 80 12 12

3 3

Apache (httpd) fails to start at boot - Centos 8.1
by Jay Hart 19 Jun '20

19 Jun '20

If I do 'systemctl start httpd', apache will start right up. But during boot, it doesn't and I get the resulting errors below. Jun 15 21:17:28 dream httpd[1534]: (99)Cannot assign requested address: AH00072: make_sock: could not bind to address 10.20.30.11:80 Jun 15 21:17:28 dream httpd[1534]: no listening sockets available, shutting down Jun 15 21:17:28 dream httpd[1534]: AH00015: Unable to open logs Jun 15 21:17:29 dream systemd[1]: httpd.service: Main process exited, code=exited, status=1/FAILURE Jun 15 21:17:29 dream systemd[1]: httpd.service: Failed with result 'exit-code'. the box's ip address is 10.20.30.11, and I am trying to get http (80), and https (443) going. Firewall is turned on. The listen parameter in httpd.conf is 10.20.30.11:80 The log files in /var/log/httpd are all owned by root. Httpd runs as user 'apache'. Google searches have not returned anything that looks remotely promising. Got any suggestions? Thanks in advance, Jay

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Can't access Squirrelmail on Centos 8
by Jay Hart 19 Jun '20

19 Jun '20

Good evening, I have not able able to run the http://ip-addr/src/configtest.php script, nor access Squirrelmail. Looking for suggestions on what I might have missed. When I try either http://ip-... or https://ip-..., I get the following reply Forbidden You don't have permission to access /webmail/src/configtest.php on this server. I got squirrelmail installed in /usr/share/squirrelmail and 'configured' to work (using ./conf.pl). This setup below is about the same setup on my Centos 6 box. I'm thinking my issue is more Apache configuration related than Squirrelmail. **Apache is running with no issues** Below are some of my settings in /etc/httpd/conf/httpd.conf Apache ServerRoot is /etc/httpd Apache DocumentRoot is /www Further parameters within httpd.conf include: # # Relax access to content within /var/www. # <Directory "/www"> AllowOverride None # Allow open access: Require all granted </Directory> # Further relax access to the default document root: <Directory "/www"> Options Indexes FollowSymLinks AllowOverride None # # Controls who can get stuff from this server. # Require all granted </Directory> In /etc/httpd/conf.modules.d I created a file called 16-squirrelmail.conf That file contains the following information: # SquirrelMail is a webmail package written in PHP. # Alias /webmail /usr/share/squirrelmail <Directory "/usr/share/squirrelmail/plugins/squirrelspell/modules"> #<Directory "/usr/share/squirrelmail"> AllowOverride None Require all denied </Directory> # this section makes squirrelmail use https connections only, for this you # need to have mod_ssl installed. If you want to use unsecure http # connections, just remove this section: #6-12-2020 commented out next five lines to test sqmail in http mode only <Directory /usr/share/squirrelmail> RewriteEngine on RewriteCond %{HTTPS} !=on RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} </Directory> Any suggestions???? Thanks, Jay

5 11

CentOS 8 gvs question
by Jerry Geis 18 Jun '20

18 Jun '20

I am getting a timeout on running totem .... searching led me to think its gvs related.... Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.GoaVolumeMonitor: Timeout was reached (g-io-error-quark, 24) Then totem does start - but with like a 30 second delay. I ran this command and it says its inactive systemctl --user status gvfs-mtp-volume-monitor.service ● gvfs-mtp-volume-monitor.service - Virtual filesystem service - Media Transfer Protocol monitor Loaded: loaded (/usr/lib/systemd/user/gvfs-mtp-volume-monitor.service; static; vendor preset: enabled) Active: inactive (dead) What is the cause of my timeout ? Thanks, jerry

1 0

CentOS 8.2 corrupt pxeboot kernel
by isdtor 18 Jun '20

18 Jun '20

Attempting to PXE boot from the BaseOS/x86_64/kickstart/images/pxeboot/ files results in repeating messages Invalid or corrupt kernel image eventually changing to Could not find kernel image: centos8.2.x86_64/vmlinuz I downloaded the files again, from a different mirror, and they are all the same. Wiped the files and recreated /tftpboot/linux-install/centos8.2.x86_64/. No dice. First mirror 89251241a484010b98280ce00b3a3763 os/images/pxeboot/initrd.img 9261bb24add6bb4ff9ef6aaf348aaf35 os/images/pxeboot/vmlinuz Second mirror 89251241a484010b98280ce00b3a3763 os/images/pxeboot/initrd.img 89251241a484010b98280ce00b3a3763 kickstart/images/pxeboot/initrd.img 9261bb24add6bb4ff9ef6aaf348aaf35 os/images/pxeboot/vmlinuz 9261bb24add6bb4ff9ef6aaf348aaf35 kickstart/images/pxeboot/vmlinuz

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Compile gnutls yo install samba-4.12.3
by Rommel Rodriguez Toirac 17 Jun '20

17 Jun '20

Hello all; Has anyone installed samba4 from sources (samba-4.12.3.tar.gz) on CentOS 7? I explain the problem: to install samba-4.12.3 you need to install a version equal to or greater than 3.4.7 of gnutls; this (gnutls) depends on nettle and gmp. I am trying to install gnutls-3.6.14; I already have gmp (gmp-6.2.0) and nettle (nettle-3.6) installed (compiled from sources), but gnutls doesn't want to install, it tells me "Libnettle 3.4.1 was not found" when I run the ./configure Nettle is installed in /usr/local/include/nettle (all .h) and in /usr/local/lib64/libnettle.s0.8.0 I created a symbolic link for /usr/lib64 from /usr/local/lib64/libnettle.s0.8.0 as libnettle.so and libnettle.so.8; I ran the gnutls ./configure again, but it keeps saying it can't find libnettle 3.4.1 How can I do? Has anyone got CentOS 7 and samba-4.12.3 installed and fixed this situation? -- Rommel Rodriguez Toirac rommelrt(a)nauta.cu

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Discuss June 2020