Re: [CentOS] Centos 7 Lyx - installing templates and class files

[Noam Bernstein via CentOS]

Can you use
yum whatprovides FILE_GLOB
to figure out which package provides the particular class files that seem 
relevant?
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Re: [CentOS] Blog article about the state of CentOS

[Noam Bernstein via CentOS]

> On Jun 17, 2020, at 3:02 PM, Phil Perry  wrote:
> 
> Nothing has changed in this regard for as long as I've been a CentOS user or 
> been involved in the CentOS community.

This is the essence of the question, to me.  I agree that _in_principle_ 
nothing has changed, and I don't even see any disagreement with that in the 
list.  However, there is a separate question, and that is whether _in_practice_ 
the lag between RHEL and CentOS updates has increased with CentOS 8.  I don't 
know what the answer is, because I'm not paying attention since I'm far from 
adopting CentOS 8, but it's a legitimate (and in fact empirical) question.

Noam

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Re: [CentOS] Blog article about the state of CentOS

[Noam Bernstein via CentOS]

> On Jun 17, 2020, at 3:32 PM, Phil Perry  wrote:
> 
> I get what you are saying, but what difference does it make if it has? What 
> does it matter if the lag is 1 week, or 1 month, or more? The only reason it 
> will matter to you is if you are trying to do something with CentOS that is 
> time critical - e.g, publicly facing server that needs security updates, 
> using CentOS on test servers to validate production releases for RHEL, etc. 
> At which point you probably should be using RHEL if it is important to you, 
> not CentOS, and it was a mistake to deploy CentOS in those roles in the first 
> place.

And yet in practice many of us have found CentOS to be perfectly adequate for 
such applications in the past, up to and including CentOS 7.  If this is no 
longer true for CentOS 8, for whatever reason, it's useful to know.  I'm not 
saying RHEL doesn't have its place - just that perhaps the boundary in the 
range of applicability between it and CentOS has therefore also changed.

Noam

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Re: [CentOS] Blog article about the state of CentOS

[Noam Bernstein via CentOS]

> On Jun 17, 2020, at 3:46 PM, Leon Fauster via CentOS  
> wrote:
> 
> The answer is not inherently in the distribution itself. Make your
> analysis about your needs an requirements and the choice is then yours.
> 
> One could argue that the gap between disclosure of one security issues
> and the update via RHEL subscription is to big. Then a contract with
> the upstream developer of the corresponding software component is a
> better choice then relying in RHEL, right?

Of course.   My only question is whether the observation that the gap for 
CentOS 8 is indeed larger than we have come to be used to for CentOS 7.  I'm 
certainly not, and I don't think anyone is, claiming that the CentOS teams owes 
us any particular response time.  I just want to know if the claim that it's 
systematically significantly longer for 8 than 7 is in fact (empirically) true.

Noam
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Re: [CentOS] Blog article about the state of CentOS

[Noam Bernstein via CentOS]

> On Jun 17, 2020, at 4:53 PM, Chris Adams  wrote:
> 
> Once upon a time, Noam Bernstein  said:
>> Of course.   My only question is whether the observation that the gap for 
>> CentOS 8 is indeed larger than we have come to be used to for CentOS 7.
> 
> So, I took a look... and the answer is "it's not" (with a small sample
> set).  I took dates from Wikipedia for RHEL and the archived release
> notes for CentOS.  I didn't bother with the .0 releases (since that's a
> lot of new work anyway).  Right now, CentOS 8 is far faster than CentOS
> 7 and 6 were at this stage.

Did you look at the German blog that started this discussion? I don't know what 
determines the archived release notes dates, but I just picked the longest 
delay, CentOS 7.4.   You list:
> 
> release RHEL date   CentOS date days
> 7.4 2017-08-01  2018-03-21  232
which is indeed the "last updated" dated on the archived notes. However, the 
German blog post that started this thread lists the much earlier 2017-09-13 for 
CentOS, 43 days.  On the mailing list this message
https://lists.centos.org/pipermail/centos-announce/2017-September/022532.html 
appears
 to confirm the earlier date.

I'm not sure the difference shown in that blog (assuming the other dates are 
also correct) is really quite so dramatic as to justify the conclusion that 
CentOS 8 is now too slow in getting updates for a substantial number of 
situations where the CentOS 7 lag was acceptable, but it's apparently not 
faster.

Noam
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Re: [CentOS] looking for a tool to convert my running system into a installation dvd

[Noam Bernstein via CentOS]

> On Feb 4, 2019, at 12:06 PM, Gordon Messmer  wrote:
> 
> 
> 
> I would recommend clonezilla.  Boot the clonezilla distro, and capture an 
> image of your system onto whatever media you want to use.  You might image it 
> on to a removable hard drive and later write those files to a DVD.  Later you 
> can boot the clonezilla distro again and restore the image that you captured 
> in order to "install" the system.
> 

REAR (relax and recover) is another option, if you want a backup you can 
re-install from, as opposed to an actual cloned live image.

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Re: [CentOS] system unresponsive

[Noam Bernstein via CentOS]

Out of memory?  We’ve definitely seen similar symptoms (it’s been a while, so 
I’m not sure they were identical) for compute nodes running large memory jobs.

Noam

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