Re: [CentOS] Question about updates

2019-02-15 Thread Rob Kampen

On 16/02/19 6:59 PM, Ralf Prengel wrote:

Hallo,
as a beginner using centos I‘ve a question about updates.
What it the right repo for getting all security and other updates?
http://mirror.eu.oneandone.net/linux/distributions/centos/7.6.1810/updates/
for example?


If you have installed CentOS 7 it should have everything in place for 
regular updates.


You simply need to invoke "sudo yum update" on a regular basis to ensure 
all the available updates are installed. Yum and rpm take care of 
sorting out where to check and apply updates from.


HTH.



Thanks
Ralf


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[CentOS] Question about updates

2019-02-15 Thread Ralf Prengel
Hallo,
as a beginner using centos I‘ve a question about updates.
What it the right repo for getting all security and other updates?
http://mirror.eu.oneandone.net/linux/distributions/centos/7.6.1810/updates/
for example?

Thanks
Ralf


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[CentOS] Aeskulap & kernel.x86_64 3.10.0-957.5.1.el7

2019-02-15 Thread Gregory P. Ennis
Everyone,

I wanted to report that the aeskulap dicom viewer available on the
nux.dextop repositories is now working with the lastest kernel update :
kernel.x86_64 3.10.0-957.5.1.el7.

Thanks much to everyone!!!


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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Nora Hochwimmer
the same thing was posted to the fedora user mailing list as well

i wouldn't be surprised if they were trolling considering what they've
posted on here and other mailing lists.

On 16/02/19 11:02 AM, Keith Keller wrote:
> On 2019-02-15, Warren Young  wrote:
>> On Feb 15, 2019, at 1:14 AM, Turritopsis Dohrnii Teo En Ming 
>>  wrote:
>>>
> Could you recommend affordable and reliable cloud storage for 50 TB of 
> data?

>>> My budget is around USD$50 per year.
>>
>> You’re *dreaming*.
> 
> Or trolling.  This user has a history of multiposting troll content (and
> indeed, he multiposted this to the Ubuntu mailing list too).
> 
> --keith
> 
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Keith Keller
On 2019-02-15, Warren Young  wrote:
> On Feb 15, 2019, at 1:14 AM, Turritopsis Dohrnii Teo En Ming 
>  wrote:
>> 
 Could you recommend affordable and reliable cloud storage for 50 TB of 
 data?
>>> 
>> My budget is around USD$50 per year.
>
> You’re *dreaming*.

Or trolling.  This user has a history of multiposting troll content (and
indeed, he multiposted this to the Ubuntu mailing list too).

--keith

-- 
kkel...@wombat.san-francisco.ca.us


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Re: [CentOS] C7 basic install, HATE

2019-02-15 Thread J Martin Rushton via CentOS
On 15/02/2019 18:36, Warren Young wrote:
> On Feb 15, 2019, at 11:08 AM, mark  wrote:
>>
>> To say "spend $20..." does not relate to "have to find a workaround to do
>> it *today*", nor to "this is a  work system, I'm not driving out to
>> Microcenter to buy one”.
> 
> What’s your hourly rate?  How much did *not* driving out to Microcenter cost 
> your employer?
> 
> If you’re salaried, there’s the opportunity costs: what work did you *not* do 
> while trying to save that $20 and hour round trip?
> 
> RHEL drops old hardware constantly, roughly aligning with its ~10 year 
> support window.  It doesn’t surprise me that the early Matrox cards have 
> fallen out of support by now.
> 
> The last such deprecation to bite me was the 3ware 8000 series cards, last 
> supported on EL5 or 6.  When resuscitating such systems, we either have to 
> stick with the old OS or upgrade them to 9000 series cards — which won’t 
> attach 8000 series RAID sets — or switch array technologies entirely.
> 
> Doubtless you can throw heroic efforts at getting old X drivers to build with 
> current software, but is that a good use of your time, given the alternatives?
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> 
Not an uncommon situation though.  "Driving" - that's hugely expensive
requiring a hire car (never let ordinary grunts use their own vehicles,
it might cost more). "out" - 'elf'n'safety, have they signed off the
appropriate bit of paper, and who is checking up on the time?
"Microcenter" - do we have a preferred supplier agreement with them.
Are they even on the SAP system?  Far better to use corporate's method
since then no-one can be blamed for wastage.  "Employer" - Ahh, do you
mean the shareholders, the local business manager, or the local team
manager.  If the latter, can he shift the cost elsewhere and wring his
hands effectively?

I would add an "", but it wouldn't be appropriate here.

-- 
J Martin Rushton MBCS



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Re: [CentOS] /boot partition running out of space randomly. Please help!

2019-02-15 Thread Gordon Messmer

On 2/12/19 5:05 PM, Sean Son wrote:

I have no idea what is going on here and why the space keeps filling up and
the VM crashing!  ANY and all help will be greatly appreciated! Thanks!



What does "crashing" mean in this case?  Can you explain that in more 
detail?  A system crash shouldn't write anything into /boot, nor should 
a full /boot cause a system crash.


As far as finding out what is using the space:

umount /boot/efi
find /boot/ -mount -printf "%s %p\n" | sort -n

(It's safe to unmount /boot/efi when you're not modifying your grub.cfg)

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Re: [CentOS] DNSSEC Questions

2019-02-15 Thread Gordon Messmer

On 2/12/19 11:49 PM, Paul R. Ganci wrote:
Okay so I misunderstood the message I was getting when I checked my 
DNSSEC setup via http://dnsviz.net/. What you are telling me is that 
all I had to do was re-sign the zone files but that it was not 
necessary to generate new keys. This point is definitely one that I 
missed.


I too run my own authoritative nameservers. I was following the 
Digital Ocean procedure to setup DNSSEC:



Key rotation and signature rotation are separate concerns.  Most users 
should be able to significantly simplify signature rotation using bind's 
built-in signing management, rather than using dnssec-signzone.  You can 
define your zone like so:


    zone "example.net" IN {
    type master;
    file "dynamic/db.example.net";
    update-policy local;
    key-directory "keys/example.net";
    inline-signing yes;
    auto-dnssec maintain;
    };

...and then either replicate your zone to a public-facing host, or 
export and manually copy the zone (maybe "dig @localhost example.net -t 
axfr"?)


Manual signing is probably only useful if you want your DNSSEC key files 
kept on a system that isn't connected to a network, for security 
reasons, and you have another process for publishing the signed zone files.


(Newer bind releases have a python tool to manage key rotation. I use 
this one: https://bitbucket.org/gordonmessmer/update-dns-keys/)



So doesn't ldns-signzone create the same kind of digest that requires 
it be uploaded to the registrar?



Yes, I think so.  If I understand you properly.


So maybe I asked the wrong question. Is there a way to re-sign the 
zone files without having to recreate the information found in that 
dsset-domain.tld. file and uploading it to the registrar?



If you mean the DS records, those should be stable as long as you have 
the same KSK, so there's nothing *new* to upload when your zones are 
re-signed.



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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread John R. Dennison
On Fri, Feb 15, 2019 at 10:27:03PM +0100, Michael Schumacher wrote:
> Evening, Ladies and Gentlemen,

Cross-posted noise again, nothing more.  Toss in a 21 line sig for fun :/





John
-- 
Power always has to be kept in check; power exercised in secret, especially
under the cloak of national security, is doubly dangerous.

-- William Proxmire (1915-2005), US senator, reformer




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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Benjamin Hauger
Perhaps we'll all be smiling at this in ten or twenty years, looking 
down at a handful of credit-card sized 100TB storage chips. Deja vu. 
Here's hoping... :)


Ben

On 2/15/19 2:27 PM, Michael Schumacher wrote:

Evening, Ladies and Gentlemen,

it is Mr. Turritopsis Dohrnii Teo En Ming striking again.

May I remind you his most successful questions were:

-- [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP
Servers?
(discussion following with some 50 replies)

-- [CentOS] What are the differences between systemd and non-systemd Linux 
distros?
(discussion with 52 replies)

so may be we can just stop it now...

Michael



Hi,



Could you recommend affordable and reliable cloud storage for 50 TB of data?



Here are some important factors to consider:



1. Personal/non-commercial use.
2. Must be affordable, since I am unemployed most of the time and have
super low levels of income for the past 12 years since I graduated
from the National University of Singapore in 2007.
3. Cloud storage provider must not be a fly-by-night company, that is,
it will not suddenly close down the next day.



Please advise.



Thank you.





===BEGIN EMAIL SIGNATURE===



The Gospel for all Targeted Individuals (TIs):



[The New York Times] Microwave Weapons Are Prime Suspect in Ills of
U.S. Embassy Workers



Link:
https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html







Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
Qualifications as at 14 Feb 2019



[1] https://tdtemcerts.wordpress.com/



[2] https://tdtemcerts.blogspot.sg/



[3] https://www.scribd.com/user/270125049/Teo-En-Ming



===END EMAIL SIGNATURE===
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best regards
---
Michael Schumacher
PAMAS Partikelmess- und Analysesysteme GmbH
Dieselstr.10, D-71277 Rutesheim
Tel +49-7152-99630
Fax +49-7152-996333
Geschäftsführer: Gerhard Schreck
Handelsregister B Stuttgart HRB 252024

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--

Benjamin Hauger
SysAdmin/CSDC-DMO
Rm. 94
x8371
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Michael Schumacher
Evening, Ladies and Gentlemen,

it is Mr. Turritopsis Dohrnii Teo En Ming striking again.

May I remind you his most successful questions were:

-- [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP
Servers? 
(discussion following with some 50 replies)

-- [CentOS] What are the differences between systemd and non-systemd Linux 
distros?
(discussion with 52 replies)

so may be we can just stop it now...

Michael


> Hi,

> Could you recommend affordable and reliable cloud storage for 50 TB of data?

> Here are some important factors to consider:

> 1. Personal/non-commercial use.
> 2. Must be affordable, since I am unemployed most of the time and have
> super low levels of income for the past 12 years since I graduated
> from the National University of Singapore in 2007.
> 3. Cloud storage provider must not be a fly-by-night company, that is,
> it will not suddenly close down the next day.

> Please advise.

> Thank you.



> ===BEGIN EMAIL SIGNATURE===

> The Gospel for all Targeted Individuals (TIs):

> [The New York Times] Microwave Weapons Are Prime Suspect in Ills of
> U.S. Embassy Workers

> Link:
> https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html

> 

> Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
> Qualifications as at 14 Feb 2019

> [1] https://tdtemcerts.wordpress.com/

> [2] https://tdtemcerts.blogspot.sg/

> [3] https://www.scribd.com/user/270125049/Teo-En-Ming

> ===END EMAIL SIGNATURE===
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best regards
---
Michael Schumacher
PAMAS Partikelmess- und Analysesysteme GmbH
Dieselstr.10, D-71277 Rutesheim
Tel +49-7152-99630
Fax +49-7152-996333
Geschäftsführer: Gerhard Schreck
Handelsregister B Stuttgart HRB 252024

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Walter H.

On 15.02.2019 10:54, Phoenix, Merka wrote:

Just downloading 2% of 50 TB (1 TB) would take a while over even a fast network 
link (measured in megabits (Mb), not megabytes (MB) like disk storage). Even on 
a local LAN downloading 1 TB is several hours @ 8 Mb/second on a Gigabit 
Ethernet link w/ no other traffic at all.

Gigabit ethernet is capable of transfering 100 MBytes in a seond or 6 
GBytes in a minute or less than 3 hours the whole TByte

but transfering this via an internet link would be a challenge;

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread (RS) Tyler Schroder
For non-sensitive personal data sure, I'd consider it (I consider backblaze
reputable enough). However for more sensitive data or other customization
options, you're really going to have to self-host and supply, like Nextcloud
running on a home NAS/SAN.

It's a personal call on what you are comfortable with. OP asked for a
solution, and is by no means required to use it.

Regards,

R. S. Tyler Schroder

-Original Message-
From: CentOS  On Behalf Of Walter H.
Sent: Friday, February 15, 2019 2:19 PM
To: centos@centos.org
Subject: Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage
for 50 TB of Data


CAUTION: This message was sent from outside the company.


On 15.02.2019 18:10, (RS) Tyler Schroder wrote:
> OP - Backblaze Personal. May be like $1/extra per month than your budget.
Unlimited IO and backup storage assuming you only need redundancy.
>
> https://www.backblaze.com/cloud-backup.html
would you really backup into a system, that has closed connectivity?
I'd prefer connecting a way I want: e.g.  SFTP, SSHFS, HTTPS, ...
and not it is given by closed software you don't know ...


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Re: [CentOS] C7 basic install, HATE

2019-02-15 Thread Stephen John Smoogen
On Fri, 15 Feb 2019 at 13:09, mark  wrote:
>
> Stephen John Smoogen wrote:
> > On Thu, 14 Feb 2019 at 15:48, mark  wrote:
> >>
> >> I've got an old server, that I'm *trying* to rebuild from C6. Our
> >> regular key, with the kickstarts, etc, simply won't boot. Just a blank
> >> screen, and it never goes anywhere.
> >>
> >> So I'm trying to build it from a year-old regular installer.
> >>
> >> 100% of the time, the graphical screen is screwed. Resolution's so big
> >> that I cannot see the right-hand 10% or 15% of the screen. There doesn't
> >>  seem to be any way that I've found yet to make it higher res, so I can
> >>  read it.
> >>
> >> It's *not* the monitor's fault. It is an ancient Matrox video card...
> >> but I would have thought the VESA driver could handle it.
> >
> > Easiest would be put $20.00 into an old video card to replace the
> > Matrox. Matrox support seems to have degraded in X11 after 2010 or so.
>
> To me, this is a non-sequitur. I'm at work, and was fighting for far too
> long yesterday - hours - to get this system built and up. I got it up -
> that *also* required another USB key with an archived kmod-forcedeth rpm,
> but it wasn't ready to do backups LAST NIGHT. I've gotten it to that point
> this morning.
>

I figured you wanted an answer you wanted to enact within a day.
Anything else is going to take lots of trial and error of whatever
kernel options are needed for your particular card, motherboard, etc
etc. The Matrox X drivers and kernel items were considered end of
lifed sometime after Fedora 12 or CentOS-6. Anything that does work is
considered that the hardware gods smiled on you. If it doesn't, it is
a cost analysis of whether getting the company to pay for a cheap
supported card or you spending 2 weeks and then buying a card.


> To say "spend $20..." does not relate to "have to find a workaround to do
> it *today*", nor to "this is a  work system, I'm not driving out to
> Microcenter to buy one".
> >
> > The next solution would be to try the text mode and stick to that.
>
> Oh, right, I tried that. Text mode does NOT allow you to encrypt your
> drive.   Missing option.
>
> When I did the second? rebuild, I chose a basic server, after, when I
> tried to install kmod-forcedeth, and realized it needed kernel-devel and
> kernel-headers... and when I tried to install them, it told me there was
> no perl.
>
> Trying to think of what "minimal system" would be used for - a hacked
> Roomba (tm)?
>
> > The third is to find kernel vesa modes on the bootline which may help
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=466318
> >
> > vga=0x318
> >
> > looks like an option?
>
> Found that I could put resolution=640x480, or vga=(same). 100% of the
> time, on boot, it came up telling me it didn't recognize anything, but
> gave me about 20 options. I tried several, and it seemed to get a good
> resolution... but after it switched root, it went back to the original
> resolution, and *nothing* - trust me on this, I rebooted at least 4 times
> *nothing* changed the resolution on the GUI installer; it *always* came up
> with the right hand side chopped.
>
> At least the system's doing backups again, now. But I thought I'd be done
> the rebuild before lunch *yesterday*, not fighting it until I left last
> night.
>
>   mark
>
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-- 
Stephen J Smoogen.
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Walter H.

On 15.02.2019 19:27, Warren Young wrote:

Tell ’im ’e’s *dreamin’!*.

my words of unrealistic wishes :-)
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Walter H.

On 15.02.2019 18:10, (RS) Tyler Schroder wrote:

OP - Backblaze Personal. May be like $1/extra per month than your budget. 
Unlimited IO and backup storage assuming you only need redundancy.

https://www.backblaze.com/cloud-backup.html

would you really backup into a system, that has closed connectivity?
I'd prefer connecting a way I want: e.g.  SFTP, SSHFS, HTTPS, ...
and not it is given by closed software you don't know ...


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[CentOS] What is the proper place for GDM related dconf settings now?

2019-02-15 Thread Sean
Hello,

It seems that with CentOS 7.6 and Gnome 3.28, a clean install of a
Workstation package profile does not build the /etc/dconf/db/gdm.d/
directory tree.  I have several desktops in operation which we
kickstart built with an older 7.3/4/5 version of CentOS as the base
install media.  These all have a dconf directory for gdm, and I assume
a dconf profile directory for gdm as well (though I admit it always
worked so I never cared about looking for it).  These existing
machines are all running 7.6 today, and still have the
/etc/dconf/db/gdm.d directory settings applied (like
disable-user-list=true).

A newly built machine from the same kickstart but with 7.6 install
media doesn't provide the gdm.d directory.  I seem to recall, I admit
it's been a long while, that with older versions of Gnome 3, dconf
couldn't set things for gdm properly unless the settings were located
in a special dconf db just for gdm.  I can edit the kickstart %post%
to make the directory(s) before dropping files in them, but I'm
hesitant to do so if the files won't be honored because there's a more
appropriate place now.

I can take this up with the gnome list, if necessary, but CentOS is my
platform so I'm not sure if it's a distribution specific configuration
or functional change to Gnome.  I tried searching through
gitlab.gnome.org to see if I can dig up any issues, release notes and
such, but I didn't find anything that seemed relevant.

Thanks!

--Sean
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Re: [CentOS] C7 basic install, HATE

2019-02-15 Thread Warren Young
On Feb 15, 2019, at 11:08 AM, mark  wrote:
> 
> To say "spend $20..." does not relate to "have to find a workaround to do
> it *today*", nor to "this is a  work system, I'm not driving out to
> Microcenter to buy one”.

What’s your hourly rate?  How much did *not* driving out to Microcenter cost 
your employer?

If you’re salaried, there’s the opportunity costs: what work did you *not* do 
while trying to save that $20 and hour round trip?

RHEL drops old hardware constantly, roughly aligning with its ~10 year support 
window.  It doesn’t surprise me that the early Matrox cards have fallen out of 
support by now.

The last such deprecation to bite me was the 3ware 8000 series cards, last 
supported on EL5 or 6.  When resuscitating such systems, we either have to 
stick with the old OS or upgrade them to 9000 series cards — which won’t attach 
8000 series RAID sets — or switch array technologies entirely.

Doubtless you can throw heroic efforts at getting old X drivers to build with 
current software, but is that a good use of your time, given the alternatives?
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Warren Young
On Feb 15, 2019, at 10:00 AM, mark  wrote:
> 
> Warren Young wrote:
>> 
>> The cheapest RAID-friendly drives we’re buying these days are about US
>> $37/TB in low quantities.
> 
> $38/tb? Google shopping shows me a 4TB WD Red at $110.

5400 RPM.

Red Pros are $170 at NewEgg, and we’re using WD Golds at $199.  That’s $50/TB, 
but the $37/TB mark is for higher capacity drives.

Even if we take your numbers and halve them again to get miracle high-quantity 
pricing, the payoff time at the OP’s wished-for $1/TB/year is about 14 years, 
and we haven’t even added in ancillary costs like the enclosure, redundancy, 
power, cooling, networking, staff, drive replacement…

> A two-drive esata bay is under $100.

…which won’t hold 50 TB of data.

Even a 4-drive enclosure isn’t enough, since even with single redundancy, the 
largest drives are 15/16 TB, depending on the technology, so that only gets you 
45 or 48 TB.  And then you’ve got to work out how to use those SMR or MAMR 
drives efficiently.

Stepping back to standard technology 10 TB drives requires 7 of them to get 50 
TB with dual redundancy, so even with miracle pricing, you’re probably talking 
about something like $750 for the raw hardware, which gets paid back in ~15 
years on the OP’s schedule, and then only if all 7 drives last 15 years!

Tell ’im ’e’s *dreamin’!*.
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Re: [CentOS] C7 basic install, HATE

2019-02-15 Thread mark
Stephen John Smoogen wrote:
> On Thu, 14 Feb 2019 at 15:48, mark  wrote:
>>
>> I've got an old server, that I'm *trying* to rebuild from C6. Our
>> regular key, with the kickstarts, etc, simply won't boot. Just a blank
>> screen, and it never goes anywhere.
>>
>> So I'm trying to build it from a year-old regular installer.
>>
>> 100% of the time, the graphical screen is screwed. Resolution's so big
>> that I cannot see the right-hand 10% or 15% of the screen. There doesn't
>>  seem to be any way that I've found yet to make it higher res, so I can
>>  read it.
>>
>> It's *not* the monitor's fault. It is an ancient Matrox video card...
>> but I would have thought the VESA driver could handle it.
>
> Easiest would be put $20.00 into an old video card to replace the
> Matrox. Matrox support seems to have degraded in X11 after 2010 or so.

To me, this is a non-sequitur. I'm at work, and was fighting for far too
long yesterday - hours - to get this system built and up. I got it up -
that *also* required another USB key with an archived kmod-forcedeth rpm,
but it wasn't ready to do backups LAST NIGHT. I've gotten it to that point
this morning.

To say "spend $20..." does not relate to "have to find a workaround to do
it *today*", nor to "this is a  work system, I'm not driving out to
Microcenter to buy one".
>
> The next solution would be to try the text mode and stick to that.

Oh, right, I tried that. Text mode does NOT allow you to encrypt your
drive.   Missing option.

When I did the second? rebuild, I chose a basic server, after, when I
tried to install kmod-forcedeth, and realized it needed kernel-devel and
kernel-headers... and when I tried to install them, it told me there was
no perl.

Trying to think of what "minimal system" would be used for - a hacked
Roomba (tm)?

> The third is to find kernel vesa modes on the bootline which may help
>
> https://bugzilla.redhat.com/show_bug.cgi?id=466318
>
> vga=0x318
>
> looks like an option?

Found that I could put resolution=640x480, or vga=(same). 100% of the
time, on boot, it came up telling me it didn't recognize anything, but
gave me about 20 options. I tried several, and it seemed to get a good
resolution... but after it switched root, it went back to the original
resolution, and *nothing* - trust me on this, I rebooted at least 4 times
*nothing* changed the resolution on the GUI installer; it *always* came up
with the right hand side chopped.

At least the system's doing backups again, now. But I thought I'd be done
the rebuild before lunch *yesterday*, not fighting it until I left last
night.

  mark

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Re: [CentOS] C7 basic install, HATE

2019-02-15 Thread Stephen John Smoogen
On Thu, 14 Feb 2019 at 15:48, mark  wrote:
>
> I've got an old server, that I'm *trying* to rebuild from C6. Our regular
> key, with the kickstarts, etc, simply won't boot. Just a blank screen, and
> it never goes anywhere.
>
> So I'm trying to build it from a year-old regular installer.
>
> 100% of the time, the graphical screen is screwed. Resolution's so big
> that I cannot see the right-hand 10% or 15% of the screen. There doesn't
> seem to be any way that I've found yet to make it higher res, so I can
> read it.
>
> It's *not* the monitor's fault. It is an ancient Matrox video card... but
> I would have thought the VESA driver could handle it.
>

Easiest would be put $20.00 into an old video card to replace the
Matrox. Matrox support seems to have degraded in X11 after 2010 or so.

The next solution would be to try the text mode and stick to that.
The third is to find kernel vesa modes on the bootline which may help

https://bugzilla.redhat.com/show_bug.cgi?id=466318

vga=0x318

looks like an option?



> Any suggestions?
>
> mark
>
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread mark
Warren Young wrote:
> On Feb 15, 2019, at 1:14 AM, Turritopsis Dohrnii Teo En Ming
>  wrote:
>
>>
 Could you recommend affordable and reliable cloud storage for 50 TB
 of data?
>>>
>> My budget is around USD$50 per year.
>>
>
> The cheapest RAID-friendly drives we’re buying these days are about US
> $37/TB in low quantities.
>
> A big data warehouser will be getting a substantial price break on their
> drives, but even halving the payoff time, you’re still asking the cloud
> storage provider to accept a payoff time in the 18 year range.  And
> that’s ignoring the cost of rack space, computers to run the drives,
> networking, bandwidth, staff, redundancy, drive turnover...
>
> There’s nothing magical about The Cloud that makes everything cheaper.
> They still have to buy the same components you and I do, then they have
> to pay someone to manage it all, someone else to house it all, etc.
>
> You’re *dreaming*.

$38/tb? Google shopping shows me a 4TB WD Red at $110. A two-drive esata
bay is under $100.

Btw, for anything like this, DO NOT BUY consumer grade drives. Make *sure*
they're NAS-rated, like WD Red or Seagate Ironwolf.

   mark

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread (RS) Tyler Schroder
OP - Backblaze Personal. May be like $1/extra per month than your budget. 
Unlimited IO and backup storage assuming you only need redundancy. 

https://www.backblaze.com/cloud-backup.html


Still going to take a while on initial upload. (Sounds almost AWS Snowball like 
is what you need but too costly). 


Regards,

R. S. Tyler Schroder
Redcoded.com 
Cyber Intellegence
> On Feb 15, 2019, at 10:37 AM, Elliot  wrote:
> 
> 
> CAUTION: This message was sent from outside the company.
> 
> 
>> On 2/15/19 7:22 AM, Warren Young wrote:
>>> On Feb 15, 2019, at 7:56 AM, Yan Li  wrote:
>>> 
>>> G Suite Business tier. Buy five users and you get unlimited Google Drive
>>> storage. That's $50/month.
>> 
>> So, you’re already 12x higher than his budget, and it’ll be going up 20% in 
>> early April.
> 
> Sorry. I read $50/month... My bad.
> 
>> I can say from personal experience that Google is a bit stingy about such 
>> things.  They give G Suite basic users 30 GB of storage, but if you try to 
>> put tens of GB in it, you can only pull that all down a few times a month 
>> before that user’s account gets locked.  That happened to us with one user 
>> that kept blowing up his laptop, requiring a rebuild, and thus a re-download 
>> of the entire IMAP archive he insisted on keeping in the cloud.
> 
> True.
> 
>> If they’re doing that to us, 3 orders of magnitude down from the OP’s target 
>> value, I think he’ll have a bad time trying to put 50 TB into a single 
>> Google Drive account.
> 
> OP should check if their university already offers G Suite. Most
> colleges in US do, and they come with unlimited storage (with all the
> shortcomings you mentioned above).
> 
> --
> Elliot
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Re: [CentOS] Automated XFCE install from kickstart and epel-release issue

2019-02-15 Thread James Szinger
On Fri, Feb 15, 2019 at 3:01 AM  wrote:
> I am working on a kickstart automated Centos 7 GUI vm deployment.
>
> Defining gnome desktop in kickstart works.
> @gnome-desktop - A GNOME desktop
>
> However Centos and anything from the epel-release such as xrdp does not
> work.
>
> I have tried it on different ways.
>
>
> repo --name=epel-release
> %packages
> #epel-release # DOES NOT WORK
> @ Core  #@core
> @ Base  #@base
> @ X Window System   #@x11
> #@ XFCE # DOES NOT WORK
> @xfce-desktop# DOES NOT WORK
> #@Server with GUI  # DOES NOT WORK
> #Xfce# DOES NOT WORK
> #xrdp  # DOES NOT WORK
>
> I would also like to do a full system upgrade automatically.


You need to tell anaconda where to find the repo:

repo --name=EPEL --baseurl=http://download.fedoraproject.org/pub/epel/7/x86_64/

You can then use EPEL packages in the %packages section.  It's better
to point to a local or nearby mirror if you do this often.  Add
another line for the updates repo to get those installed.  My typical
kickstart file has lines like:

url --url=https://.../centos/7/os/x86_64/

repo --name=base--baseurl=https://.../centos/7/os/x86_64/
repo --name=updates --baseurl=https:/.../centos/7/updates/x86_64/
repo --name=EPEL --baseurl=https://.../fedora-epel/7/x86_64/

I have successfully installed MATE and XFCE this way.

Jim
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Elliot

On 2/15/19 7:22 AM, Warren Young wrote:

On Feb 15, 2019, at 7:56 AM, Yan Li  wrote:


G Suite Business tier. Buy five users and you get unlimited Google Drive
storage. That's $50/month.


So, you’re already 12x higher than his budget, and it’ll be going up 20% in 
early April.


Sorry. I read $50/month... My bad.


I can say from personal experience that Google is a bit stingy about such 
things.  They give G Suite basic users 30 GB of storage, but if you try to put 
tens of GB in it, you can only pull that all down a few times a month before 
that user’s account gets locked.  That happened to us with one user that kept 
blowing up his laptop, requiring a rebuild, and thus a re-download of the 
entire IMAP archive he insisted on keeping in the cloud.


True.


If they’re doing that to us, 3 orders of magnitude down from the OP’s target 
value, I think he’ll have a bad time trying to put 50 TB into a single Google 
Drive account.


OP should check if their university already offers G Suite. Most 
colleges in US do, and they come with unlimited storage (with all the 
shortcomings you mentioned above).


--
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Warren Young
On Feb 15, 2019, at 7:56 AM, Yan Li  wrote:
> 
> G Suite Business tier. Buy five users and you get unlimited Google Drive
> storage. That's $50/month.

So, you’re already 12x higher than his budget, and it’ll be going up 20% in 
early April.

On top of that, there’s certainly a transfer rate limit.  I couldn’t find a 
reliable source saying what that limit is, but I found a related limit for G 
Suite here:

https://support.google.com/a/answer/1071518

If that applies to Google Drive as well, it’ll take about 182 years to send 50 
TB.

I can say from personal experience that Google is a bit stingy about such 
things.  They give G Suite basic users 30 GB of storage, but if you try to put 
tens of GB in it, you can only pull that all down a few times a month before 
that user’s account gets locked.  That happened to us with one user that kept 
blowing up his laptop, requiring a rebuild, and thus a re-download of the 
entire IMAP archive he insisted on keeping in the cloud.

If they’re doing that to us, 3 orders of magnitude down from the OP’s target 
value, I think he’ll have a bad time trying to put 50 TB into a single Google 
Drive account.
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Yan Li
https://gsuite.google.com/pricing.html

G Suite Business tier. Buy five users and you get unlimited Google Drive
storage. That's $50/month.

On Thu, Feb 14, 2019, 9:29 PM Turritopsis Dohrnii Teo En Ming <
tdteoenm...@gmail.com wrote:

> Hi,
>
> Could you recommend affordable and reliable cloud storage for 50 TB of
> data?
>
> Here are some important factors to consider:
>
> 1. Personal/non-commercial use.
> 2. Must be affordable, since I am unemployed most of the time and have
> super low levels of income for the past 12 years since I graduated
> from the National University of Singapore in 2007.
> 3. Cloud storage provider must not be a fly-by-night company, that is,
> it will not suddenly close down the next day.
>
> Please advise.
>
> Thank you.
>
>
>
> ===BEGIN EMAIL SIGNATURE===
>
> The Gospel for all Targeted Individuals (TIs):
>
> [The New York Times] Microwave Weapons Are Prime Suspect in Ills of
> U.S. Embassy Workers
>
> Link:
> https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html
>
>
> 
>
> Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
> Qualifications as at 14 Feb 2019
>
> [1] https://tdtemcerts.wordpress.com/
>
> [2] https://tdtemcerts.blogspot.sg/
>
> [3] https://www.scribd.com/user/270125049/Teo-En-Ming
>
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Warren Young
On Feb 15, 2019, at 1:14 AM, Turritopsis Dohrnii Teo En Ming 
 wrote:
> 
>>> Could you recommend affordable and reliable cloud storage for 50 TB of data?
>> 
> My budget is around USD$50 per year.

The cheapest RAID-friendly drives we’re buying these days are about US $37/TB 
in low quantities.

A big data warehouser will be getting a substantial price break on their 
drives, but even halving the payoff time, you’re still asking the cloud storage 
provider to accept a payoff time in the 18 year range.  And that’s ignoring the 
cost of rack space, computers to run the drives, networking, bandwidth, staff, 
redundancy, drive turnover...

There’s nothing magical about The Cloud that makes everything cheaper.  They 
still have to buy the same components you and I do, then they have to pay 
someone to manage it all, someone else to house it all, etc.

You’re *dreaming*.
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[CentOS] Aeskulap & kernel.x86_64 3.10.0-957.5.1.el7

2019-02-15 Thread Gregory P. Ennis
Everyone,

I wanted to report that the aeskulap dicom viewer available on the
nux.dextop repositories is now working with the lastest kernel update :
kernel.x86_64 3.10.0-957.5.1.el7.

Thanks much to everyone!!!

-- 
Greg Ennis

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread rainer

What's the data worth?

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Turritopsis Dohrnii Teo En Ming
On Fri, Feb 15, 2019 at 5:55 PM Phoenix, Merka  wrote:
>
> >> On Fri, Feb 15, 2019 at 4:10 PM Walter H.  
> >> wrote:
> >> >
> >> > On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:
> >> > > Hi,
> >> > >
> >> > > Could you recommend affordable and reliable cloud storage for 50 TB of 
> >> > > data?
> >> > whats your budget?
> >> >
> >> > and 50 TB = 50 000 GB is a big amount which isn't this cheap ...
> >>
> >> >> Hi Walter H,
> >> >>
> >> >> My budget is around USD$50 per year.
> >>
> >> Wow. A single disk for a PC (lowest size 1 TB) usually costs more than 
> >> USD$50 in retail store.
> >> Capacity for a single drive is just now available at 6 TB and 8 TB 
> >> capacities, so 50 TB would require storage array network >> (SAN) h/w at 
> >> hosting provider (which isn't cheap).
> >>
> >> That amount of storage ( 50 TB ) from an online provider probably isn't 
> >> available within your stated budget.
> >> Just the disk drives alone to hold 50 TB would cost more than USD$50.
> >
> > Hi Merka,
> >
> > I understand. I probably wanted data "redundancy" in the Cloud only.
>
> 50 TB is a very large amount of disk storage. Are you sure that you have the 
> correct unit of measure?

Yes, I have the correct unit of measure.

>
> Just downloading 2% of 50 TB (1 TB) would take a while over even a fast 
> network link (measured in megabits (Mb), not megabytes (MB) like disk 
> storage). Even on a local LAN downloading 1 TB is several hours @ 8 Mb/second 
> on a Gigabit Ethernet link w/ no other traffic at all.

I think my Singapore M1 ISP Home Fiber 1 Gbps broadband connection is
capable of downloading at the speed of 60 Mega Bytes per second or
more.

>
> According to: https://www.gbmb.org/tb-to-mb
> 1 Terabyte is equal to 100 megabytes (decimal).
> 1 TB = 106 MB in base 10 (SI).
>
> 1 Terabyte (2^40) is equal to 1048576 megabytes (2^20) (binary).
>
> Terabyte unit symbol is TB, Megabyte unit symbol is MB.
> Terabyte is 1,000,000 times bigger than Megabyte.
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Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
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[1] https://tdtemcerts.wordpress.com/

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Re: [CentOS] Automated XFCE install from kickstart and epel-release issue

2019-02-15 Thread Ralf Prengel



Von meinem iPad gesendet

> Am 15.02.2019 um 11:00 schrieb free...@tango.lu:
> 
> Hello,
> 
> I am working on a kickstart automated Centos 7 GUI vm deployment.
> 
> Defining gnome desktop in kickstart works.
> @gnome-desktop - A GNOME desktop
> 
> However Centos and anything from the epel-release such as xrdp does not work.
> 
> I have tried it on different ways.
> 
> 


Hallo,
https://www.rootusers.com/how-to-install-xfce-gui-in-centos-7-linux/
works for me
!!!but !!!
I m using a setup-script started via @reboot in /etc/crotab after first boot.
So install a small centos without anything and install configure everything 
after the first boot.

Ralf
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[CentOS] Automated XFCE install from kickstart and epel-release issue

2019-02-15 Thread freebsd

Hello,

I am working on a kickstart automated Centos 7 GUI vm deployment.

Defining gnome desktop in kickstart works.
@gnome-desktop - A GNOME desktop

However Centos and anything from the epel-release such as xrdp does not 
work.


I have tried it on different ways.


repo --name=epel-release
%packages
#epel-release # DOES NOT WORK
@ Core  #@core
@ Base  #@base
@ X Window System   #@x11
#@ XFCE # DOES NOT WORK
@xfce-desktop# DOES NOT WORK
#@Server with GUI  # DOES NOT WORK
#Xfce# DOES NOT WORK
#xrdp  # DOES NOT WORK


I have followed the recommendations in this discussion:

https://unix.stackexchange.com/questions/81354/import-epel-gpg-key-in-kickstart-post-installation

None of them worked. In the %post% section yum -y commands seems to be 
ignored.


I would also like to do a full system upgrade automatically.

Any ideas?

Thanks
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Phoenix, Merka
>> On Fri, Feb 15, 2019 at 4:10 PM Walter H.  wrote:
>> >
>> > On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:
>> > > Hi,
>> > >
>> > > Could you recommend affordable and reliable cloud storage for 50 TB of 
>> > > data?
>> > whats your budget?
>> >
>> > and 50 TB = 50 000 GB is a big amount which isn't this cheap ...
>>
>> >> Hi Walter H,
>> >>
>> >> My budget is around USD$50 per year.
>>
>> Wow. A single disk for a PC (lowest size 1 TB) usually costs more than 
>> USD$50 in retail store.
>> Capacity for a single drive is just now available at 6 TB and 8 TB 
>> capacities, so 50 TB would require storage array network >> (SAN) h/w at 
>> hosting provider (which isn't cheap).
>>
>> That amount of storage ( 50 TB ) from an online provider probably isn't 
>> available within your stated budget.
>> Just the disk drives alone to hold 50 TB would cost more than USD$50.
>
> Hi Merka,
>
> I understand. I probably wanted data "redundancy" in the Cloud only.

50 TB is a very large amount of disk storage. Are you sure that you have the 
correct unit of measure?

Just downloading 2% of 50 TB (1 TB) would take a while over even a fast network 
link (measured in megabits (Mb), not megabytes (MB) like disk storage). Even on 
a local LAN downloading 1 TB is several hours @ 8 Mb/second on a Gigabit 
Ethernet link w/ no other traffic at all.

According to: https://www.gbmb.org/tb-to-mb 
1 Terabyte is equal to 100 megabytes (decimal).
1 TB = 106 MB in base 10 (SI).

1 Terabyte (2^40) is equal to 1048576 megabytes (2^20) (binary).
 
Terabyte unit symbol is TB, Megabyte unit symbol is MB.
Terabyte is 1,000,000 times bigger than Megabyte.
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Turritopsis Dohrnii Teo En Ming
On Fri, Feb 15, 2019 at 5:18 PM Phoenix, Merka  wrote:
>
>
> On Fri, Feb 15, 2019 at 4:10 PM Walter H.  wrote:
> >
> > On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:
> > > Hi,
> > >
> > > Could you recommend affordable and reliable cloud storage for 50 TB of 
> > > data?
> > whats your budget?
> >
> > and 50 TB = 50 000 GB is a big amount which isn't this cheap ...
>
> >> Hi Walter H,
> >>
> >> My budget is around USD$50 per year.
>
> Wow. A single disk for a PC (lowest size 1 TB) usually costs more than USD$50 
> in retail store.
> Capacity for a single drive is just now available at 6 TB and 8 TB 
> capacities, so 50 TB would require storage array network (SAN) h/w at hosting 
> provider (which isn't cheap).
>
> That amount of storage ( 50 TB ) from an online provider probably isn't 
> available within your stated budget.
> Just the disk drives alone to hold 50 TB would cost more than USD$50.

Hi Merka,

I understand. I probably wanted data "redundancy" in the Cloud only.

Thank you.

>
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Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
Qualifications as at 14 Feb 2019

[1] https://tdtemcerts.wordpress.com/

[2] https://tdtemcerts.blogspot.sg/

[3] https://www.scribd.com/user/270125049/Teo-En-Ming

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Phoenix, Merka


On Fri, Feb 15, 2019 at 4:10 PM Walter H.  wrote:
>
> On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:
> > Hi,
> >
> > Could you recommend affordable and reliable cloud storage for 50 TB of data?
> whats your budget?
>
> and 50 TB = 50 000 GB is a big amount which isn't this cheap ...

>> Hi Walter H,
>> 
>> My budget is around USD$50 per year.

Wow. A single disk for a PC (lowest size 1 TB) usually costs more than USD$50 
in retail store.
Capacity for a single drive is just now available at 6 TB and 8 TB capacities, 
so 50 TB would require storage array network (SAN) h/w at hosting provider 
(which isn't cheap).

That amount of storage ( 50 TB ) from an online provider probably isn't 
available within your stated budget.
Just the disk drives alone to hold 50 TB would cost more than USD$50.

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Re: [CentOS] question about upgrade qemu and libvirtd

2019-02-15 Thread Gianluca Cecchi
On Fri, Feb 15, 2019 at 1:54 AM Jonathan Billings 
wrote:

> On Feb 14, 2019, at 18:23, rong zhao  wrote:
> >
> > Hi Team,
> >   I am not sure if I should put my question here, I have googled long
> > time, no explicit information found.
> >
> >   Background:
> >  We need to support KVM encryption and decided to use LUKS.
> >
> >  Refer to:https://libvirt.org/formatsecret.html#VolumeUsageType
> >
> >  libvirtd and KVM should be able to support LUKS format disk
> directly.
> >
> >  Unfortunately, seems that we need to use libvirt2.2+ and qemu
> > 2.6+, because our current qemu-kvm version does not support luks
> > format:
> >
> >  And our hypervisor's OS is CentOS 7.2 with libvirt 2.0 and qemu-kvm
> 1.5.3
> >
> >Question:
> >   Is there any safe way to upgrade to libvirt 2.2 and qemu 2.6?
> >   Safe way means: do not need to reboot hyper or VM, do not
> > impact VM types support .
> >
> > Any suggestion is welcome.
>
> The libvirt package was update to v2.0 in 7.3.  In the (only supported)
> latest release, it’s v4.5.0. Qemu remains at version 1.5.3.
>
> Nonetheless, you won’t be able to upgrade to newer versions without
> shutting down or migrating the VMs.
>
> —
> Jonathan Billings 
>
>
>
Apart from what already remarked by Jonathan about libvirt being 4.5.0 in
latest upstream CentOS 7.6, released at beginning of December 2018, you can
update to it and then attach to Virtualization SIG and get qemu-kvm-ev, as
shipped for example in RHV/oVirt. It should obsolete qemu-kvm if already
installed. Try on a test system.
Steps to do:

yum-config-manager --enable extras

Now with the command
yum list centos-release-\*

you will see something like:
. . .
centos-release-qemu-ev.noarch   1.0-4.el7.centos
extras
. . .
centos-release-virt-common.noarch   1-1.el7.centos
extras
. . .

and you can execute
yum install centos-release-qemu-ev
(that will bring in also centos-release-virt-common)
Then

yum install qemu-kvm-ev

and it will bring in qemu-kvm-ev in version 2.12.0-18.el7_6.3.1

More info on CentOS SIGs in general and Virtualization one in particular:
https://wiki.centos.org/SpecialInterestGroup
https://wiki.centos.org/SpecialInterestGroup/Virtualization

HIH,
Gianluca
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Walter H.

On 15.02.2019 09:14, Turritopsis Dohrnii Teo En Ming wrote:

On Fri, Feb 15, 2019 at 4:10 PM Walter H.  wrote:

On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:

Hi,

Could you recommend affordable and reliable cloud storage for 50 TB of data?

whats your budget?

and 50 TB = 50 000 GB is a big amount which isn't this cheap ...

Hi Walter H,

My budget is around USD$50 per year.

Thank you.

not realistic, even ONE HDD with just 10 TB costs more then US$ 300

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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Turritopsis Dohrnii Teo En Ming
On Fri, Feb 15, 2019 at 4:10 PM Walter H.  wrote:
>
> On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:
> > Hi,
> >
> > Could you recommend affordable and reliable cloud storage for 50 TB of data?
> whats your budget?
>
> and 50 TB = 50 000 GB is a big amount which isn't this cheap ...

Hi Walter H,

My budget is around USD$50 per year.

Thank you.

>
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Re: [CentOS] Please Recommend Affordable and Reliable Cloud Storage for 50 TB of Data

2019-02-15 Thread Walter H.

On 15.02.2019 06:29, Turritopsis Dohrnii Teo En Ming wrote:

Hi,

Could you recommend affordable and reliable cloud storage for 50 TB of data?

whats your budget?

and 50 TB = 50 000 GB is a big amount which isn't this cheap ...

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