[CentOS] dumb shared library question

[Alice Wonder]

Binary compiled on a system with ggc 5.5.0 w/ libstdc++.so.6.0.21

Because the major version is libstdc++.so.6 there shouldn't be any 
problems running it on CentOS 7 with libstdc++.so.6.0.19, right?

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Re: [CentOS] ZFS on Linux repository

[Yves Bellefeuille]

Gionatan Danti wrote:

> I searched the list but I did not found anything regarding native ZFS.
> Any feedback on the matter is welcomed. Thanks.

I think the simplest solution would be to add this (which I haven't
tried):

http://zfsonlinux.org/
https://github.com/zfsonlinux/zfs/wiki/RHEL-and-CentOS

to the Available Repositories for CentOS wiki page:

https://wiki.centos.org/fr/AdditionalResources/Repositories/

unless someone with some authority says that you can't do this.

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[CentOS] ZFS on Linux repository

[Gionatan Danti]

Hi list,
we all know why ZFS is not included in RHEL/CentOS distributions: its 
CDDL license is/seems not compatible with GPL license.


I'm not a layer, and I do not have any strong opinion on the matter. 
However, as a sysadmin, I found ZFS to be extremely useful, especially 
considering BTRFS sad state. I would *really* love to have ZFS on Linux 
more intergrated with current CentOS.


From what I know (and I can go wrong, obviously), while the incompatible 
licenses prevent CentOS from shipping it, nothing should prevent to have 
a package for enabling *its repository*, better yet the kmod-enabled 
one. I was thiking to something as a ZFS SIG, where we can simply issue 
"yum install zfs-sig" and have the correct kmod-enabled repository 
enabled.


I searched the list but I did not found anything regarding native ZFS.
Any feedback on the matter is welcomed. Thanks.

--
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Supporto Tecnico
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[CentOS] Dolphin fails to refresh files (cont'd)

[Nicolas Kovacs]

Hi,

Some time ago I reported a problem with Dolphin on bugs.centos.org. When
extracting an archive, the new files don't appear, and I have to press
F5 to refresh the current directory display.

I just found out a specificity of this bug. This only seem to happen on
those installations where I run the 4.4.x kernel (kernel-lt package from
elrepo-kernel repository).

Any idea how I could solve that problem ?

Cheers,

Niki
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Re: [CentOS-virt] Installing support for q35 chipset

[admin]

On 24.06.2018 21:11, ad...@siegel-tech.net wrote:

Hello

I have recently had to reinstall Centos 7.5 to on host computer. I
have not be able to set-up qemu to support the q35 chip set.  I have
several virtual machines that require q35. This is not my first
install, I have configured libvirt on many machines in the past, it
just worked, it has not required any manual configuration.

[root@sj aadmin]# /usr/libexec/qemu-kvm -machine help
Supported machines are:
none empty machine
pc   RHEL 7.0.0 PC (i440FX + PIIX, 1996) (alias of
pc-i440fx-rhel7.0.0)
pc-i440fx-rhel7.0.0  RHEL 7.0.0 PC (i440FX + PIIX, 1996) (default)
rhel6.6.0RHEL 6.6.0 PC
rhel6.5.0RHEL 6.5.0 PC
rhel6.4.0RHEL 6.4.0 PC
rhel6.3.0RHEL 6.3.0 PC
rhel6.2.0RHEL 6.2.0 PC
rhel6.1.0RHEL 6.1.0 PC
rhel6.0.0RHEL 6.0.0 PC


I have add the jenkins repository. and installed the following 
packages,


OVMF.noarch 20171011-4.git92d07e48907f.el7 
@base

edk2.git.x86_64 0-20180612.181.g2aedaaef8a
@qemu-firmware-jenkins
edk2.git-aarch64.noarch 0-20180612.181.g2aedaaef8a
@qemu-firmware-jenkins
edk2.git-arm.noarch 0-20180612.181.g2aedaaef8a
@qemu-firmware-jenkins
edk2.git-ovmf-x64.noarch0-20180612.181.g2aedaaef8a
@qemu-firmware-jenkins
edk2.git-tools.x86_64   0-20180612.181.g2aedaaef8a
@qemu-firmware-jenkins
coreboot.git.x86_64 4.8-599.333.g1bf411c743
@qemu-firmware-jenkins
coreboot.git-tools.x86_64   4.8-599.333.g1bf411c743
@qemu-firmware-jenkins
qemu-common.x86_64  2:2.0.0-1.el7.6
@epel
qemu-guest-agent.x86_64 10:2.8.0-2.el7 
@anaconda
qemu-img.x86_64 10:1.5.3-156.el7_5.2   
@updates
qemu-kvm.x86_64 10:1.5.3-156.el7_5.2   
@updates
qemu-kvm-common.x86_64  10:1.5.3-156.el7_5.2   
@updates
qemu-kvm-tools.x86_64   10:1.5.3-156.el7_5.2   
@updates
qemu-system-alpha.x86_642:2.0.0-1.el7.6
@epel
qemu-system-arm.x86_64  2:2.0.0-1.el7.6
@epel
qemu-system-cris.x86_64 2:2.0.0-1.el7.6
@epel
qemu-system-lm32.x86_64 2:2.0.0-1.el7.6
@epel
qemu-system-m68k.x86_64 2:2.0.0-1.el7.6
@epel
qemu-system-microblaze.x86_64   2:2.0.0-1.el7.6
@epel
qemu-system-mips.x86_64 2:2.0.0-1.el7.6
@epel
qemu-system-moxie.x86_642:2.0.0-1.el7.6
@epel
qemu-system-or32.x86_64 2:2.0.0-1.el7.6
@epel
qemu-system-s390x.x86_642:2.0.0-1.el7.6
@epel
qemu-system-sh4.x86_64  2:2.0.0-1.el7.6
@epel
qemu-system-unicore32.x86_642:2.0.0-1.el7.6
@epel
qemu-system-x86.x86_64  2:2.0.0-1.el7.6
@epel
qemu-system-xtensa.x86_64   2:2.0.0-1.el7.6
@epel
qemu-user.x86_642:2.0.0-1.el7.6
@epel

seabios.git.x86_64  1.11.0-40.27.gd9a8b86
@qemu-firmware-jenkins

I have installed the  Virtualization Host group. Configured the nvram
in the /etc/libvirt/qemu.conf, I even used the same copy from a
previous installation.

nvram = [
   "/usr/share/OVMF/OVMF_CODE.secboot.fd:/usr/share/OVMF/OVMF_VARS.fd",

"/usr/share/edk2.git/ovmf-x64/OVMF_CODE-pure-efi.fd:/usr/share/edk2.git/ovmf-x64/OVMF_VARS-pure-efi.fd"
]


Thank you
Aaron


Hello

Problem resolved. I installed the qemu-kvm-ev, this version has the 
pc-q35-rhel bios.  I am not sure why the RHEL packages were not loading 
the q35 bios.


Thanks
Aaron
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Re: [CentOS] NetworkManager updating resolv.cfg

[Maheshwari, Shagun]

Hi,

It will be bug on &.2 but we are facing this issue on CentOS 6.8.
In 6.8 also has this issue?

Please suggest.

Regards,
Shagun

-Original Message-
From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of 
centos-requ...@centos.org
Sent: Friday, June 22, 2018 5:30 PM
To: centos@centos.org
Subject: [EXTERNAL] CentOS Digest, Vol 161, Issue 22

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Today's Topics:

   1. Re: Specifying different options for different " smb" type
  gvfs mount (John Hodrien)
   2. Re: NetworkManager updating resolv.cfg (peter.winterflood)
   3. Re: Updated krb5 rpm package altered existing krb5.conf - No
  go (G?tz Reinicke)
   4. Re: CentOS-6.9 Bind-9.8.2 error messages (James B. Byrne)
   5. Imap daemons for CentOS 6 (other then cyrus-imapd) (Robert Heller)
   6. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (James (CentOS ML))
   7. Re: Imap daemons for CentOS 6 (other then cyrus-imapd) (Frank Cox)
   8. Re: Imap daemons for CentOS 6 (other then cyrus-imapd) (Walter H.)
   9. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Jonathan Billings)
  10. Re: Specifying different options for different " smb" type
  gvfs mount (Gordon Messmer)
  11. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Robert Heller)
  12. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Valeri Galtsev)
  13. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Marcelo Ricardo Leitner)
  14. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Valeri Galtsev)
  15. Re: Imap daemons for CentOS 6 (other then cyrus-imapd)
  (Jonathan Billings)
  16. Re: Specifying different options for different " smb" type
  gvfs mount (John Hodrien)
  17. Re: Imap daemons for CentOS 6 (other then cyrus-imapd) (Walter H.)
  18. Re: Imap daemons for CentOS 6 (other then cyrus-imapd) (Walter H.)


--

Message: 1
Date: Thu, 21 Jun 2018 13:09:38 +0100 (BST)
From: John Hodrien 
To: CentOS mailing list 
Subject: Re: [CentOS] Specifying different options for different "
smb" type gvfs mount
Message-ID:

Content-Type: text/plain; charset=US-ASCII; format=flowed

On Thu, 21 Jun 2018, Toralf Lund wrote:

> I known that I might use mount.cifs and related "fstab" entries as an 
> alternative, but its password handling seems a lot less convenient.

If you're in an AD environment, you can probably do nicely with mount.cifs:

sec=krb5,multiuser

That way you don't have to deal with usernames/passwords at all.

jh


--

Message: 2
Date: Thu, 21 Jun 2018 13:14:08 +0100
From: "peter.winterflood" 
To: CentOS mailing list , anax 
Subject: Re: [CentOS] NetworkManager updating resolv.cfg
Message-ID:
<16422442280.27db.2b6837a33dad96cb17d193f32630f...@ossi.co.uk>
Content-Type: text/plain; format=flowed; charset="us-ascii"




On 21 June 2018 12:13:02 "anax"  wrote:

> Hi Shagun
> check your settings of PEERDNS and IPV6_PEERDNS...
>
> suomi
>
> On 06/21/2018 08:33 AM, Maheshwari, Shagun wrote:
>> Hi,
>>
>> I am facing issue stoping NetworkManager to update resolv.cfg, I am 
>> using below configuration for eth0 interface:
>>
>> TYPE=Ethernet
>> BOOTPROTO=dhcp
>> DEFROUTE=yes
>> IPV4_FAILURE_FATAL=no
>> IPV6INIT=yes
>> IPV6_AUTOCONF=yes
>> IPV6_DEFROUTE=yes
>> IPV6_FAILURE_FATAL=no
>> IPV6_ADDR_GEN_MODE=stable-privacy
>> NAME=eth0
>> UUID=93b90a46-dab5-4a67-8fd0-fefe8874a8b9
>> DEVICE=eth0
>> ONBOOT=no
>> PEERDNS=no
>> PEERROUTES=yes
>> IPV6_PEERDNS=yes
>> IPV6_PEERROUTES=yes
>> DNS1=
>> DNS2=
>>
>>
>> Also, added dns=none in NetworkManager.conf file.
>>
>> Whenever I am restarting NetworkManager, resolv.cfg gets updated and 
>> only
>> ipv4 nameserver is displaced, whether I am expecting both the ips 
>> (ipv6 and
>> ipv4 address to be present in resolv.cfg file.
>>
>> Any suggestion here, how to achieve that??
>>
>> Regards,
>> Shagun
>> ___
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>> 

Re: [CentOS-virt] Q: how can I request to add an upstream patch to resolve a core dump issue?

[Xiong, Huan]

Sandro,

Thanks for the information. I’ll file a bug if I believe it’s a bug with the 
version of QEMU code on Centos (I have yet to figure it out).

Thanks,
Ray

From: CentOS-virt [mailto:centos-virt-boun...@centos.org] On Behalf Of Sandro 
Bonazzola
Sent: 2018年6月22日 21:38
To: Discussion about the virtualization on CentOS 
Subject: Re: [CentOS-virt] Q: how can I request to add an upstream patch to 
resolve a core dump issue?



2018-06-22 9:26 GMT+02:00 Xiong, Huan 
mailto:huan.xi...@hxt-semitech.com>>:
UPDATE: It turned out QEMU still dumped core with that patch applied.

That said, I'm still interested to know how to report issues with QEMU from 
centos-virt repo.

You can open a bug on 
https://bugzilla.redhat.com/enter_bug.cgi?product=ovirt-distribution=qemu-kvm-ev
But please note we are just rebuilding qemu-kvm-rhev provided by Red Hat so you 
may want to open a bug directly on 
https://bugzilla.redhat.com/enter_bug.cgi?product=Red%20Hat%20Enterprise%20Linux%207=qemu-kvm-rhev



Thanks,
Ray

> -Original Message-
> From: Xiong, Huan
> Sent: 2018年6月22日 11:12
> To: 'centos-virt@centos.org' 
> mailto:centos-virt@centos.org>>
> Subject: Q: how can I request to add an upstream patch to resolve a core
> dump issue?
>
> Hi,
>
> The latest version of QEMU (qemu-kvm-ev-2.10.0-21.el7_5.3.1) from centos-
> virt repo doesn't have this patch:
>
>   commit 68a9398261ca38979bbc2b7c89ed5bb044ccc9e6
>   Author: linzhecheng mailto:linzhech...@huawei.com>>
>   Date: Tue Nov 28 12:46:56 2017 +0800
>
>   qemu-thread: fix races on threads that exit very quickly
>
> I wonder how I can request to add it? I hit a core dump issue repeatedly,
> which I believe is fixed by this patch. While I observed it on an aarch64
> machine, I think the issue is common on all arch types.
>
> I'd like to submit a bug report, but didn't find a category for centos-virt at
> https://Bugzilla.redhat.com (I suppose I should file bug against upstream,
> right?). The Virt-SIG wiki page seems to be outdated and doesn't contain
> information on this. Any suggestions?
>
> Thanks,
> Ray
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Re: [CentOS] Postfix, system notifications and local servers

[Tony Mountifield]

In article <7919547a-2a23-901f-607e-5aef7300f...@microlinux.fr>,
Nicolas Kovacs  wrote:
> Hi,
> 
> I have CentOS 7 running on half a dozen public servers. For some stuff
> like automatic updates using yum-cron, I have Postfix installed with a
> relatively basic configuration. This allows me to send important
> notifications to my mail address i...@microlinux.fr. When there's a
> batch of updates, I get one mail per machine, so I can check quickly if
> everything went OK without having to connect to the server.
> 
> Now I'd also like to use this setup on machines that aren't in a
> datacenter and facing the Internet. For example, servers that have
> "dummy" hostnames like nestor.microlinux.lan or sauvegarde.scholae.lan.
> Is there a way I can setup Postfix so this machine can send an e-mail to
> i...@microlinux.fr, even if 'hostname --fqdn' returns a "dummy" hostname?

When you say "[not] facing the Internet", do those machines actually have
access to any other machines that ARE facing the internet? If not, then
you have to think "what possible route could an email take from the machine
to the email server for microlinux.fr?"

If they do have access to an internet-connected machine, then you could
set up postfix on the source machines to relay all emails via a suitable
SMTP mail relay. You do this by setting the "relayhost" option in the
config file /etc/postfix/main.cf. There are plenty of examples available
via Google.

You also need to think "What happens if an email from nestor.microlinux.lan
bounces for some reason? Where would the bounce go? If the sender address
is indeed in the .lan domain, the bounce would be undeliverable, so you
might want to investigate sender address masquerading.

Cheers
Tony
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[CentOS] Postfix, system notifications and local servers

[Nicolas Kovacs]

Hi,

I have CentOS 7 running on half a dozen public servers. For some stuff
like automatic updates using yum-cron, I have Postfix installed with a
relatively basic configuration. This allows me to send important
notifications to my mail address i...@microlinux.fr. When there's a
batch of updates, I get one mail per machine, so I can check quickly if
everything went OK without having to connect to the server.

Now I'd also like to use this setup on machines that aren't in a
datacenter and facing the Internet. For example, servers that have
"dummy" hostnames like nestor.microlinux.lan or sauvegarde.scholae.lan.
Is there a way I can setup Postfix so this machine can send an e-mail to
i...@microlinux.fr, even if 'hostname --fqdn' returns a "dummy" hostname?

Cheers,

Niki
-- 
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7, place de l'église - 30730 Montpezat
Site : https://www.microlinux.fr
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[CentOS] failed to start guest with "" type vf

[Maheshwari, Shagun]

Hi,

Issue mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=1066825 is 
marked as fixed in CentOS 7. However I still see issue in CentOS 7


Domain vWAAS-12KK defined from vWAAS-12KK/vWAAS-12KK.xml

error: Failed to start domain vWAAS-12KK
error: internal error: couldn't find IFLA_VF_INFO for VF 2 in netlink response

Domain vWAAS-12KK marked as autostarted

Done launching

[root@localhost home]# virsh list
Id Name State


[root@localhost home]#
[root@localhost home]#
[root@localhost home]# virsh list --all
Id Name State

- vWAAS-12KK shut off

I can share more info if needed.

Regards,
Shagun
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Re: [CentOS-virt] Virt SIG meetings

[Sandro Bonazzola]

2018-06-25 4:40 GMT+02:00 George Dunlap :

> > On Jun 20, 2018, at 9:28 PM, Sandro Bonazzola 
> wrote:
> >
> > Hi,
> > is it me showing up at the wrong time or meetings didn't happen in the
> past 2 rounds?
> > I see one scheduled for next week, June 26th, 15:00 UTC. Will it happen?
>
> I’m in China, at a conference at the moment, so I may not be able to
> attend.  But Anthony should be around to share stuff from the Xen side.
> Would you (Sandro) be willing to chair the session?
>

Yes, i can chair it


>
> The one two weeks ago, I think I just got caught up in something and
> forgot; sorry.  If you remember please feel free to ping me on IRC if I
> haven’t brought it up. :-)
>

Ok :-)


>
> -George
>
>


-- 

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