Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[John R. Dennison]

On Mon, Mar 15, 2021 at 05:04:41PM -0400, Stephen John Smoogen wrote:
> Well I am batting 0 for 1000 today. I am clearly not a good resource at the
> moment :). Thanks Lamar for checking the real source.

It's ok, smooge...

It's First Monday, you've got 4 more of 'em to go :)





John

-- 
It's a hurtful place, the world, in and of itself.  We don't need to add to it.
And we're in a place now where we all need one another, and it's going to get
rougher.

-- Prince Rogers Nelson (7 June 1958 - 21 April 2016), funk/rock/pop/R singer,
   songwriter, and actor, Tavis Smiley Show, PBS (27 April 2009)


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[CentOS] Samba config question

[Robert G. (Doc) Savage via CentOS]

After setting up /etc/samba/smb.conf and running "testparm" in CentOS
7.9.2011, I have noticed that the list of parameters echoed back for
the [global] section do not match those in the smb.conf file. Is this
normal?

[global] in /etc/samba/smb.conf:
   unix charset = UTF-8
   dos charset = CP932
   vfs objs = acl_xattr
   map acl inherit = yes
   store dos attributes = yes
   printing = cups
   printcap = cups
   load printers = yes
   # Network related options
   workgroup = WORKGROUP
   server string = Samba Server Version %v
   netbios name = SERVER01
   interfaces = lo eth0 192.168.1.0/24
   hosts allow = 127. 192.168.1.
   # Logging options
   log file = /var/log/samba/log.%m
   max log size = 50
   # Standalone Server Options
   security = user
   passdb backend = tdbsam
   map to guest = Bad User
   # Name Resolution
   wins support = yes
   dns proxy = yes
   # Printing options
   load printers = yes
   cups options = raw
   # Filesystem options
   map archive = no
   map hidden = no
   map read only = no
   map system = no
   store dos attributes = yes
   
When I subsequently run "testparm", I get a shorter and in some cases
different list:

[global] in "testparm" output:
   dos charset = CP932
   interfaces = lo eth0 192.168.1.0/24
   log file = /var/log/samba/log.%m
   map to guest = Bad User
   max log size = 50
   printcap name = cups
   security = USER
   server string = Samba Server Version %v
   wins support = Yes
   idmap config * : backend = tdb
   cups options = raw
   hosts allow = 127. 192.168.1
   map acl inherit = Yes
   map archive = No
   vfs objects = acl_xattr

Is this normal behavior for Samba? I am particularly concerned about
workgroup = WORKGROUP missing in the "testparm" output.
   
V/R
--Doc Savage
    Fairview Heights, IL

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Mon, 15 Mar 2021 at 16:26, Lamar Owen  wrote:

> On 3/15/21 8:51 AM, Stephen John Smoogen wrote:
> > Exactly that. Upstream Fedora and RHEL went to require dual density
> around
> > Fedora 18, RHEL-7 because the amount of data was too much.
> Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on a
> single-layer DVD.  Just burned one.
>
>
Well I am batting 0 for 1000 today. I am clearly not a good resource at the
moment :). Thanks Lamar for checking the real source.


-- 
Stephen J Smoogen.
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/15/21 8:51 AM, Stephen John Smoogen wrote:

Exactly that. Upstream Fedora and RHEL went to require dual density around
Fedora 18, RHEL-7 because the amount of data was too much.
Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on a 
single-layer DVD.  Just burned one.


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Re: [CentOS-virt] Unable to Login to AWS AMI With SSH Key - aarch64

[David Lemcoe]

I have resolved my “issue.” It would appear that CentOS 8 Stream for aarch64 
does not support `t4g.nano` instance sizes. Once I moved to t4g.small, my SSH 
login worked as expected.

Sorry to bother!

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[CentOS-virt] Unable to Login to AWS AMI With SSH Key - aarch64

[David Lemcoe]

When launching CentOS Stream for aarch64 in us-east-1 using the 
CentOS-sponsored AMI (ami-0a311be1169cd6581, found at 
https://wiki.centos.org/Cloud/AWS ) I am 
able to launch the EC2 instance using a Gravitron2 processor, as expected. 
However, when attempting to login to that instance, I get a password prompt for 
the ec2-user, centos, and root users. 

This behavior is not expected, because on the x86_64 AMIs the centos user is 
configured to use the SSH key selected in the AWS EC2 Launch Wizard, and a SSH 
login password is not required. 

In the aarch64 AMI, the centos and root usernames all prompt for password, and 
never seem to consider the provided SSH key.

This is the SSH command that I am using:

ssh -i ssh_key_selected_at_launch.pem centos@

This command results in a password prompt.

What is the process for connecting to the CentOS Stream AMI spun for aarch64?

Thank you!

David Lemcoe Jr.



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Re: [CentOS-virt] qemu-kvm-ev: usb: out-of-bounds r/w(CVE-2020-14364)

[Sandro Bonazzola]

Il giorno mer 3 mar 2021 alle ore 09:56 rj...@vip.qq.com 
ha scritto:

> Hello
> I saw that qemu-kvm-rhev has fixed the issue, but  CentOS
> community hasn't updated the repaired version of qemu-kvm-ev;
> will it be fixed in the future?
>

Can you please open a BZ on
https://bugzilla.redhat.com/enter_bug.cgi?product=ovirt-distribution=qemu-kvm-ev
 ?
Thanks



> thanks
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Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R RHV

Red Hat EMEA 

sbona...@redhat.com


*Red Hat respects your work life balance. Therefore there is no need to
answer this email out of your office hours.*
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Re: [CentOS] Bare metal vs. virtualization: Proxmox + Ceph + CentOS?

[Nicolas Kovacs]

Le 15/03/2021 à 13:41, Blaž Bogataj a écrit :
> ProxMox and software defined storage on 4-5 machines I think for us is the
> best solution. In point of maintaining there is no problem with upgrading
> from one release to other - now is version 6.x. Only issue is probably my
> knowledge how to put this together.

Thanks very much for everybody for your input !

Cheers,

Niki

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Mon, 15 Mar 2021 at 08:19, Robert Heller  wrote:

> At Sun, 14 Mar 2021 21:49:40 -0500 "Robert G. \(Doc\) Savage" <
> dsav...@peaknet.net>, CentOS mailing list  wrote:
>
> >
> > On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
> > > Sounds like you need to use a dual layer DVD disc, it is double the
> > > capacity.
> >
> > John,
> >
> > Wrong answer. The server's optical drive doesn't support double-layer
> > disks. The CentOS developers made a mistake on their DVD iso, and they
> > need to fix it.
>
> Actually not -- the CentOS ISOs have not been meant for optical media
> since
> CentOS 6 -- they have been meant for thumb drives (>= 8G).
>
>
Exactly that. Upstream Fedora and RHEL went to require dual density around
Fedora 18, RHEL-7 because the amount of data was too much. The CentOS
developers have tried to their best to keep a single density working but
there has been a constant race of problems with various 'important'
packages having to be dropped from this ISO every time. For the final
EL-7.x series, there were too many packages to do this with. The
alternatives you have are:

1. Use CentOS-7.8 (or 7.7, or... ) as the boot media and then network
update
2. Use CentOS-7.9 minimal and network update
3. Use CentOS-7.9 netiso and network install.
4. Use some mixture of the above with a USB disk of all the data and a
kickstart to point to it so it gets there.
5. Look for a completely different alternative.


> You are going to have to something different.  Is it possible to do a
> network
> install on this machine.  I believe the netboot ISO should be small enough
> to
> fit on a CD or DVD.
>
> >
> > --Doc
> > ___
> > CentOS mailing list
> > CentOS@centos.org
> > https://lists.centos.org/mailman/listinfo/centos
> >
> >
> >
>
> --
> Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
> Deepwoods Software-- Custom Software Services
> http://www.deepsoft.com/  -- Linux Administration Services
> hel...@deepsoft.com   -- Webhosting Services
>
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>


-- 
Stephen J Smoogen.
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Re: [CentOS] Bare metal vs. virtualization: Proxmox + Ceph + CentOS?

[Blaž Bogataj]

Hello

 

I'm using ProxMox as virtualization, from verson 2.x. For around 20
servers (most of them are Centos machines) for different services (Zimbra,
Apache, MariaDB, PostgreSQL, EDB, ..) and also for MS servers (AD,
Exchange, fileserver, MSSql Express, .). They all are running on 5-6 HW
servers, different brands and all of them are pretty old.

As backup use Synology NAS and nfs with 10gb fc to FC switch. So speed for
backup really is not a problem.

I slowly moving sata disks to ssd, in same hardware and this is really big
advantage in speed. In time of changing disks move virtual machines to
other hypervisors. 

HW Raid5 is really nice with ssd. In 3 years of changing to ssd disks only
one fail, but system running and change of disk without downtime ...

If I want to test, move, . backup and restore is not an issue. For this
year plan is to put one NAS to other location for disaster .

 

ProxMox and software defined storage on 4-5 machines I think for us is the
best solution. In point of maintaining there is no problem with upgrading
from one release to other - now is version 6.x. Only issue is probably my
knowledge how to put this together.

 

All the best

Blaz

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert Heller]

At Sun, 14 Mar 2021 21:49:40 -0500 "Robert G. \(Doc\) Savage" 
, CentOS mailing list  wrote:

> 
> On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
> > Sounds like you need to use a dual layer DVD disc, it is double the 
> > capacity.
> 
> John,
> 
> Wrong answer. The server's optical drive doesn't support double-layer
> disks. The CentOS developers made a mistake on their DVD iso, and they
> need to fix it.

Actually not -- the CentOS ISOs have not been meant for optical media since 
CentOS 6 -- they have been meant for thumb drives (>= 8G).

You are going to have to something different.  Is it possible to do a network 
install on this machine.  I believe the netboot ISO should be small enough to 
fit on a CD or DVD.

> 
> --Doc
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> 
> 
> 

-- 
Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services

  
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Re: [CentOS] Restore mails using Thunderbird

[Thomas Mueller]

On 3/15/21 10:56 AM, Nicolas Kovacs wrote:

Hi,

One of my clients is running CentOS 7 on his workstation. He's using Mozilla
Thunderbird with an IMAP account at Infomaniak to manage his mails.

...

Thunderbird keeps all configuration and mail in ~/.thunderbird, so I simply
renamed this to ~/.thunderbird.bak, searched for the latest correct version of
~/.thunderbird three days ago and restored that.

Now here's what happens.

1. When starting Thunderbird all the old mail folders and messages appear
correctly. So it looks good.

2. After a few minutes most of the messages disappear. Not good.


As its an IMAP account, the local thunderbird data is only cached.

Try to start Thunderbird in offline mode and then export mails before 
going online again.


- Thomas


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[CentOS] Restore mails using Thunderbird

[Nicolas Kovacs]

Hi,

One of my clients is running CentOS 7 on his workstation. He's using Mozilla
Thunderbird with an IMAP account at Infomaniak to manage his mails.

Two days ago he shot himself in the foot by playing around with Thunderbird's
auto-cleaning features. He enabled "delete all mails older than 60 days" and
managed to wipe most of his 13 GB of archived mails.

Fortunately his local network has a local backup server (running CentOS 7 and
Rsnapshot), which keeps daily snapshots of his workstation.

Thunderbird keeps all configuration and mail in ~/.thunderbird, so I simply
renamed this to ~/.thunderbird.bak, searched for the latest correct version of
~/.thunderbird three days ago and restored that.

Now here's what happens.

1. When starting Thunderbird all the old mail folders and messages appear
correctly. So it looks good.

2. After a few minutes most of the messages disappear. Not good.

I don't know exactly what's going on here, but it looks like the server is
trying to keep the upper hand here by restoring the last (wrong) state of 
things.

Any suggestions ?

Niki

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Michel van Deventer]

Hi,

you can also burn it to a DL (dual layer) DVD (like the Centos 8 image).

regards,

   Michel


On 2021-03-15 02:13, Robert G. (Doc) Savage via CentOS wrote:

I need help from someone experienced with the CentOS bug tracking
system. I gotta say it is one of the most complicated and imposing
front ends I've ever seen. Could anyone familiar with it please file a
bug on my behalf? Particulars:

"CentOS 7.9.2009 DVD iso image too large"

ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
Wed Nov  4 05:37:25 2020
Burners: Both K3B and Brasero
Media: Both DVD-R and DVD+R single-layer disks

iso image: 4,712,300,544 bytes
User Anthony F McInerney advises Wikipedia says
DVD-R capacity: 4,707,319,808 bytes (max)

I have tried burning this same iso image on two different machines: a
CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.

We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.

Thanks,

--Doc Savage
    Fairview Heights, IL

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Simon Matter]

> On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
>> Sounds like you need to use a dual layer DVD disc, it is double the
>> capacity.
>
> John,
>
> Wrong answer. The server's optical drive doesn't support double-layer
> disks. The CentOS developers made a mistake on their DVD iso, and they
> need to fix it.

I don't think they have to do anything, who can tell them so they have to
obey?

Why don't you try either CentOS-7-x86_64-Minimal-2009.iso or
CentOS-7-x86_64-NetInstall-2009.iso? Both options should work for you.

Regards,
Simon



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