[CentOS-virt] Updates for today VIrt SIG meeting

[Sandro Bonazzola]

Hi,
I won't be able to attend today Virt SIG meeting.
On KVM side, there should be a RHEL update in the coming days, an update to
qemu-kvm-ev will follow (https://bugzilla.redhat.com/show_bug.cgi?id=1501910
).
On oVirt side, upstream is finalizing 4.1.7 release and 4.2.0 beta; Virt
SIG repos will be update after the releases.
The oVirt 4.2 testing repos are now live on
https://buildlogs.centos.org/centos/7/virt/x86_64/ovirt-4.2/ for x86_64,
ppc64le, aarch64

Bug queue:
- https://bugs.centos.org/view.php?id=12877 can be closed
- https://bugs.centos.org/view.php?id=11457 was opened against oVirt 4.0,
still valid for 4.1 and 4.2; still missing packages in altarch release
mirrors.
- https://bugs.centos.org/view.php?id=13747 can be closed
- https://bugs.centos.org/view.php?id=13660 can be closed
- https://bugs.centos.org/view.php?id=13633 still needed, opstools is still
missing packages in altarch release mirrors.
- https://bugs.centos.org/view.php?id=13463 I think this has been solved
and can be closed
- https://bugs.centos.org/view.php?id=13332 I think this has been solved
and can be closed
- https://bugs.centos.org/view.php?id=13283 still needed, not sure if
there's any action needed on my side.
- https://bugs.centos.org/view.php?id=12336 was reported on fc25, seems to
work on fc26 I think it can be closed.
- https://bugs.centos.org/view.php?id=11279 still needed, debuginfo missing
for ppc64 and ppc64le packages.


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TRIED. TESTED. TRUSTED. 

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Re: [CentOS] gdevilspie on mate

[Ian Mortimer]

On Mon, 2017-10-16 at 20:35 -0400, H wrote:

> I just read about gdevilspie on this list the other day and
> downloaded it for my mate desktop. Although it installed, it
> complains that python-wnck is not installed.

The package you're missing is probably gnome-python2-libwnck.

On my desktop it gets a different error:

   pyGTK is not correctly installed, exiting.

Fixed by installing pygtk2-libglade.  That gets a new error which is
fixed by commenting out line 374 of /usr/bin/gdevilspie.


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[CentOS] gdevilspie on mate

[H]

I just read about gdevilspie on this list the other day and downloaded it for 
my mate desktop. Although it installed, it complains that python-wnck is not 
installed.

Does anyone know if it is supposed to work on mate? I would have expected it to 
install python-wnck as a requirement if not already installed?

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Re: [CentOS] CentOS 7 not shutting down correctly

[Nux!]

That's what you get for Windows remarks :p

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- Original Message -
> From: "Nicolas Kovacs" 
> To: "CentOS mailing list" 
> Sent: Monday, 16 October, 2017 17:29:26
> Subject: Re: [CentOS] CentOS 7 not shutting down correctly

> Le 16/10/2017 à 12:54, Nux! a écrit :
>> If you boot without "quiet rhgb" parameters in grub, do you get more
>> info during shutdown?
> 
> I removed the 'quiet' boot parameter. Now I'm sure the darn thing will
> shutdown correctly just to annoy me.
> 
> :o)
> 
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Re: [CentOS] sidekiq receives SIGHUP when started via ssh -t

[Yuri Kanivetsky]

Hi,

I was able to narrow it down to this ruby script:

#!/usr/bin/env ruby
Process.daemon
while true
sleep 1
end

And I can reproduce it on one particular CentOS server, on the other
CentOS server it works as on Ubuntu. The CentOS server where I can
reproduce the issue is supposed to have vanilla CentOS, but probably
not exactly.

So, when I run it this way on CentOS 7:

ssh u...@example.com -t '. ~/.bash_profile && rvm 2.3.1 && cd 1 && ./1.rb'

script doesn't stay, without -t it does. Under Ubuntu 16.04 it stays
in both cases.

I tried to reproduce it with bash:

#!/usr/bin/env bash
(setsid bash -c 'exec > /dev/null 2>&1 < /dev/null; while true; do
sleep 1
done') &

But it behaves consistently across servers (with -t terminates on any
server I tried, without -t stays). I might be missing something here.

Any ideas are welcome. Like, what to check? Where and what to ask?

Regards,
Yuri
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Re: [CentOS] CentOS 7 not shutting down correctly

[Nicolas Kovacs]

Le 16/10/2017 à 12:54, Nux! a écrit :
> If you boot without "quiet rhgb" parameters in grub, do you get more
> info during shutdown?

I removed the 'quiet' boot parameter. Now I'm sure the darn thing will
shutdown correctly just to annoy me.

:o)

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Re: [CentOS-es] OT certificado zimbra

[César Martinez]

Muchas gracias Carlos con tu recomendación pude resolver el problema, 
gracias nuevamente


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El 14/10/17 a las 17:51, Carlos Martinez escribió:

Saludos.

Dependiendo del procedimiento para crear el certificado, Requieres
tener en el equipo cliente, uno de los siguientes dos archivos:

1) La llave pública del nombre del host, si solo se creó el
certificado para zimbra o es el autogenerado por zimbra. Este se puede
bajar fácilmente con Firefox  (Entras al sitio de web de zimbra.
Firefox te lanza una advertencia. Das clic en Añadir excepción. Haces
clic en ver, luego en el tab detalles y finalmente haces clic en el
botón exportar).

2) La llave pública de la CA que creaste para firmar certificados (si
se usa algo como easy-rsa).

Teniendo la llave pública respectiva descargada en el equipo (archivo
de extensión CRT o PEM) tienes dos opciones:

1) Abres el almacén de certificados y lo importas
(https://technet.microsoft.com/es-es/library/cc754841(v=ws.11).aspx)

2) Haces clic derecho en el certificado, haces clic en instalar
certificado y sigues el asistente. Escoges en este caso seleccionar el
almacén. No dejes que el asistente elija.

Hasta la próxima.

Carlos Martínez


2017-10-13 11:51 GMT-05:00 César Martinez :

Gracias por responder Carlos, tengo una duda creo que lo más viable es la
opción 2 que tu mencionas, el certificado auto generado es valido hasta el
2022, pero que certificado es decir .ca o cuál y cual seria la ubicación en
zimbra debería para bajarlo y copiarlo en la carpeta almacén de los equipos
windows ?

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|Celular:593 999374317 |Skype servicomecuador
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El 13/10/17 a las 08:34, Carlos Martinez escribió:


Saludos.

Tienes tres opciones:

1) Opción sencilla y costosa: Adquieres un certificado válido con
alguna entidad certificadora y pagas por el mismo.

2) Opción intermedia, tediosa e insegura: instalas en cada equipo el
certificado autofirmado. El secreto es que en Windows debes bajar el
certificado y con el almacén de certificados guardarlo en el almacén
de certificados de confianza (no recuerdo bien el nombre del almacén,
pero probando encuentras el indicado). De otra manera outlook y IE te
estarán advirtiendo una y otra vez del problema de seguridad
existente.

3) Opción más difícil de todas, la recomendada y gratis: usas Let's
Encrypt. El certificado es válido como cualquiera de pago, se puede
usar libremente, es gratis y en la wiki se zimbra se encuentra cómo
hacerlo. También configuras la renovación automática y te olvidas del
asunto.

Hasta la próxima.

Carlos Martínez.

2017-10-12 15:13 GMT-05:00 César Martinez :

Saludos amigos tengo un problema que paso a describir haber si alguien me
puede echar una mano, tengo instalado un servidor de correo centos 7 +
zimbra 8.7, los clientes usan outlook 2010, 2013 y 2016, tengo el
problema
que cada vez que abro me da una alerta del certificado y debo poner usar
este certificado a pesar de que la primera vez que configuré outlook ya
lo
instale y me apareció el mensaje de ha sido instalado.

Cabe recalcar que tengo solo el certificado auto firmado que genera
zimbra
al realizar la instalación.

De antemano agradezco a todos los que puedan ayudarme

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|César Martínez M. | Ingeniero de Sistemas
|Consultor & Proyectos Software Libre| SERVICOM
|Teléfono: (593-2)554-271 2221-386 | Ext 4501
|Celular:593 999374317 |Skype servicomecuador
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Re: [CentOS] CentOS 7 not shutting down correctly

[Nux!]

Hello,

If you boot without "quiet rhgb" parameters in grub, do you get more info 
during shutdown?

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Nux!
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- Original Message -
> From: "Nicolas Kovacs" 
> To: "CentOS mailing list" 
> Sent: Sunday, 15 October, 2017 20:14:45
> Subject: [CentOS] CentOS 7 not shutting down correctly

> Hi,
> 
> I have CentOS 7 with KDE installed on my workstation. Sometimes - like
> just now - the system refuses to shutdown correctly. The problem
> appeared since I installed the OpenVAS vulnerability scanner (the one
> from EPEL), so I don't know if this is linked. When I try to shutdown
> the system, I see shutdown messages, and then it stops short on the
> following message:
> 
> [ OK ] Stopped logout off all iSCSI sessions on shutdown
> 
> After this I can wait for hours, nothing happens until I hit the Reset
> button.
> 
> Now I'm a bit frustrated because this kind of behavior was the reason I
> left the Windows world back in 2001, to discover the joys of Slackware
> and then Red Hat.
> 
> I also notice this kind of thing never (ever) happened with CentOS
> versions 5.x and 6.x.
> 
> Any suggestions?
> 
> Cheers,
> 
> Niki
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Re: [CentOS] systemctl reboot -- server not accessible after reboot

[James Hogarth]

On 15 October 2017 at 12:20, Mike <1100...@gmail.com> wrote:

> On Sat, Oct 14, 2017 at 2:29 PM, Vitalino Victor 
> wrote:
> >
> > Try:
> >
> > # shutdown -r now
> >
>
> I'll have to try this late one evening.
> It's a production Samba Active Directory Domain Controller in
> production so it's difficult to do this without warning to users.
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Don't bother ... it makes no difference to how the shutdown happens, this
was nonsense "advice".

The shutdown 'command' is a symlink to systemctl which knows that it is
being called that way and will act on it ... the same as if you did
systemctl reboot

The issue surrounding remote syslog and gathering data on shutdown is that
depending on where the freeze you are experiencing occurs there may not be
any logs at all.

If it occurs before a sync to disk then any logs generated will be lost, if
it occurs after the pivot-root when /var/log is no longer mounted then
similarly any logs generated will be lost.

Of course if it is a *kernel* freeze issue then it is also likely that
whatever is occurring never gets to generate a log event ... as that's hard
to do with a frozen kernel ;)

I assume you've checked for BIOS/firmware updates and applied any pending?

Can you add IPMI (remote/out-of-band access) to that server? You may get
something through hardware event then ... this is why I prefer HP or Dell
kit over picking cheaper options when dealing with corporate needs ...
their iLO and iDRAC implementations are robust and can provide better
diagnosis on things like this with the built in hardware testing etc ...
and avoid a need to walk to a server and plug in a monitor ;)

If you can't set up remote syslog for some reason, or if there's no logs
found to help doing this, then I'd suggest removing rhgb and quiet from
your kernel command line, having a monitor attached at the time you do the
shutdown and monitor the console as you attempt the reboot.
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