Discuss June 2020

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103 participants
90 discussions

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

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CentOS 8.2 corrupt pxeboot kernel
by isdtor 17 Jun '20

17 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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EL8 / certwatch missing
by Leon Fauster 17 Jun '20

17 Jun '20

I have some scripts using certwatch from the crypto-utils package. This rpm seems to be unshipped with EL8. Any ideas whats the "new" tool to check pem cert files? -- Leon

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firewall help request
by david 17 Jun '20

17 Jun '20

Folks I'm struggling with my firewall settings, and would appreciate some help. I have a gateway machine (currently Centos 7 with IPV4 only) with two NICs. One is connected to the internet, the other to an internal network (10.0.0.0/24) of mixed hardware (windows7, android tablets, android phones, linux boxes) using NAT. I wish to block all outgoing connects to any external IP address on port 22 (ssh) originating from any internal machine except one (which has a known internal IP address). I've tried some commands using 'iptables' to accomplish this, but so far have failed. If anyone has a suggestion, I'd really appreciate it. In addition, a suitable version for 'firewalld' could be useful, as an upgrade to Centos 8 is in plan. Examples of what I've tried, and then tested. None of them stopped an outgoing SSH from an internal system. iptables -I INPUT -p tcp --dport 22 -s 10.0.0.0/24 -j DROP iptables -I INPUT -p tcp --dport 22 -s 10.0.0.0/24 -j DROP Much thanks David

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Centos7 and Vlan
by Alfredo De Luca 17 Jun '20

17 Jun '20

Hi all. I wonder if you can help me here. I have centos7 with 1 network interface and on that IFwe have 2 vlan. >From both vlan we'd like to reach the internet independently so basically with 2 different gateways. we tried with all the routes,rules etc but only on one vlan we are able to ping 8.8.8.8 for instance. Any suggestions/ideas? Cheers -- */Alfredo*

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CentOS-announce Digest, Vol 184, Issue 7
by centos-announce-request＠centos.org 17 Jun '20

17 Jun '20

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. CESA-2020:2549 Moderate CentOS 7 libexif Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 16 Jun 2020 18:32:09 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2020:2549 Moderate CentOS 7 libexif Security Update Message-ID: <20200616183209.GA23840(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2020:2549 Moderate Upstream details at : https://access.redhat.com/errata/RHSA-2020:2549 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: ff151ff0d06a3a237f4112e81dd69cb30bdd207c1ce2eeb5c88d405e20445e69 libexif-0.6.21-7.el7_8.i686.rpm 4ca77ed3d5488bddf31a813f9371f5487353f38a4d4fe7b38be4b46694f3e848 libexif-0.6.21-7.el7_8.x86_64.rpm 73a55735154caaf123f7c2629028bca3814feea738608d640925ec8547daedd0 libexif-devel-0.6.21-7.el7_8.i686.rpm 186ce67dec961f8d780c8d13e7155bc248bcc8287aa243db6203a96edec4350b libexif-devel-0.6.21-7.el7_8.x86_64.rpm d3c72ed4324f614b0ed32dfcae0b76adb75317301ed01a759168c17e6c4f9427 libexif-doc-0.6.21-7.el7_8.x86_64.rpm Source: 9740fa364a4cb8a7ee5f1dedb9cc96917b316acbc157374e3f8c8bcab9ed354e libexif-0.6.21-7.el7_8.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 184, Issue 7 ***********************************************

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LUKS layer / best practice
by Leon Fauster 16 Jun '20

16 Jun '20

Hi all, with regard to LUKS; should it placed before LVM or after? Any recommendations? TRIM command fully supported through all layers etc? -- Leon

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Re: [CentOS] firewall help request
by david 16 Jun '20

16 Jun '20

At 12:30 PM 6/16/2020, John Pierce wrote: >On Tue, Jun 16, 2020 at 12:26 PM david <david(a)daku.org> wrote: > > > > > Examples of what I've tried, and then tested. None of them stopped > > an outgoing SSH from an internal system. > > > > iptables -I INPUT -p tcp --dport 22 -s 10.0.0.0/24 -j DROP > > iptables -I INPUT -p tcp --dport 22 -s 10.0.0.0/24 -j DROP > > > > > > >which interface is that bound to? I don't see a -i eth0 or whatever, but >you want that rule on your LAN interface. > >note these rules will also prevent any host on 10.0.0.0/24 from ssh'ing to >the gateway machine itself. At your suggestion, the command became iptables -I INPUT -p tcp --dport 22 -i enp3s0 -s 10.0.0.0/24 -j DROP where enp3s0 is the internal NIC with address 10.0.0.1. I'm assuming that your advice about LAN represents the internal network because on most routers, it is, and WAN is the internet connection. And ssh worked :-( unfortunately I know that many ISPs block outgoing port 25, so I know this is do-able. David

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Missing Quote from latest Update
by Natassia S 16 Jun '20

16 Jun '20

Received these error message during update 16Jun2020. Running scriptlet: kmod-kvdo-6.2.1.138-58.el8_1.x86_64 750/1181 /etc/sysconfig/network-scripts/ifcfg-eno1: line 21: unexpected EOF while looking for matching `"' /etc/sysconfig/network-scripts/ifcfg-eno1: line 22: syntax error: unexpected end of file /etc/sysconfig/network-scripts/ifcfg-eno1: line 21: unexpected EOF while looking for matching `"' /etc/sysconfig/network-scripts/ifcfg-eno1: line 22: syntax error: unexpected end of file /etc/sysconfig/network-scripts/ifcfg-eno1: line 21: unexpected EOF while looking for matching `"' /etc/sysconfig/network-scripts/ifcfg-eno1: line 22: syntax error: unexpected end of file /etc/sysconfig/network-scripts/ifcfg-eno1: line 21: unexpected EOF while looking for matching `"' /etc/sysconfig/network-scripts/ifcfg-eno1: line 22: syntax error: unexpected end of file Natassia S. -- Software updates are like hand-washing for computers. So simple that it doesn't seem like it could make much of a difference, but it does.

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