Re: [CentOS] CentOS 7 + HPLIP = blank page

2017-04-22 Thread Darr247
H...  /non sequitur/

My suggestion was an alternative to the facebork page cited.

On Sat, Apr 22, 2017 at 11:20 AM, Nicolas Kovacs  wrote:

> Le 22/04/2017 à 16:25, Darr247 a écrit :
> > Try centos.org/forums instead.
> >
> > I tend to avoid wiki sites to which I'm not allowed to contribute;
> > maybe you'd feel like jumping through their hoops, though. i.e. see
> > item 3 at wiki.centos.org/Contribute
>
> As far as I understand, the CentOS mailing list is this distribution's
> primary form of communication. Please correct me if I'm wrong.
>
> Niki
>
> --
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Re: [CentOS] Need a bit of 'archeocomputing' help on CentOS 7.

2017-04-22 Thread Lamar Owen

On 04/22/2017 11:24 AM, Rainer Duffner wrote:

Obviously, the system is designed for this - but why is nobody doing this for 
Linux?


The time commitment necessary to keep up with the sometimes dramatic 
changes in the typical Linux distribution is very large; I would guess 
that's the reason it's not typically done.


The LinuxTech EL6 libc5 is only possible because Mandriva 2011 contained 
it.  I've not tested that piece yet, but plan to a bit later.



I just looked it up:
FreeBSD 4.0 was released over 17 years ago, around the same time as RHL 6.2…

Yep, and the binaries I have are older than that.  The particular setup 
being used actually dates from 1997, almost exactly 20 years ago.  The 
version was upgraded a few times afterwards; the timestamps on the 
original distribution archive for the glibc 2.1 version are all from May 
12, 1999, but the original version was from fall of 1996.


I'm glad I held those two tarballs back all these years.

In any case, CentOS 2.1 plus the RHL 6.2 compat-glibc-2.1 packages have 
the system back up and running. and running fast.


The host is CentOS 7.3.1611 using bridged networking for KVM.  So far 
it's running well.




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Re: [CentOS] Need a bit of 'archeocomputing' help on CentOS 7.

2017-04-22 Thread Rainer Duffner

> Am 22.04.2017 um 15:42 schrieb Lamar Owen :
> 
> On 04/21/2017 12:11 PM, Lamar Owen wrote:
>> ...
>> The latest version of libc5 I know of that was shipped by Red Hat is in RHL 
>> 6.2, libc-5.3.12.  (There is a 5.4, but not sure of stability or 
>> compatibility).
>> ...
>> I've successfully set up the bridging; a CentOS 7 VM on the same host has 
>> full connectivity.  So it's something about the rtl8139 and the 2.0.36 
>> kernel.  What is the oldest distribution you've done on KVM on C7?
> Ok, so I've progressed somewhat on this.  Here's what I've so far found:



Silly question: isn’t there something like a „compat-CentOS5“-package one can 
install and that contains all the base-libraries for CentOS 5?

I run a FreeBSD 6 (32 bit) binary on a 64 bit FreeBSD 11 VM (because the 
source, if we had it, would most likely not compile with whatever LLVM ships 
with 11 …).
FreeBSD offers „compat“ packages down to version 4. These are libraries that 
install into /usr/lib/compat.

Obviously, the system is designed for this - but why is nobody doing this for 
Linux?

I just looked it up:
FreeBSD 4.0 was released over 17 years ago, around the same time as RHL 6.2…



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Re: [CentOS] CentOS 7 + HPLIP = blank page

2017-04-22 Thread Nicolas Kovacs
Le 22/04/2017 à 16:25, Darr247 a écrit :
> Try centos.org/forums instead.
> 
> I tend to avoid wiki sites to which I'm not allowed to contribute;
> maybe you'd feel like jumping through their hoops, though. i.e. see
> item 3 at wiki.centos.org/Contribute

As far as I understand, the CentOS mailing list is this distribution's
primary form of communication. Please correct me if I'm wrong.

Niki

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Re: [CentOS] CentOS 7 + HPLIP = blank page

2017-04-22 Thread Darr247
> PS: on a side note, I wanted to discuss this subject on the CentOS Facebook 
> group,
>  but got blocked by their admin who seems to be the local pet autocrat.

Try centos.org/forums instead. 

I tend to avoid wiki sites to which I'm not allowed to contribute; maybe you'd 
feel like jumping through their hoops, though.
i.e. see item 3 at wiki.centos.org/Contribute

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Re: [CentOS] Need a bit of 'archeocomputing' help on CentOS 7.

2017-04-22 Thread Lamar Owen

On 04/21/2017 12:11 PM, Lamar Owen wrote:

...
The latest version of libc5 I know of that was shipped by Red Hat is 
in RHL 6.2, libc-5.3.12.  (There is a 5.4, but not sure of stability 
or compatibility).

...
I've successfully set up the bridging; a CentOS 7 VM on the same host 
has full connectivity.  So it's something about the rtl8139 and the 
2.0.36 kernel.  What is the oldest distribution you've done on KVM on C7?

Ok, so I've progressed somewhat on this.  Here's what I've so far found:
1.) RHL 5.2 installs fine, but is a no-go, since it has no networking.
2.) RHL 6.2 installs fine, but is a no-go, with lots and lots of 'hda: 
lost interrupt' errors and eventually the guest is paused and won't 
proceed past a certain point in the boot.  Of all the days for the 
Fedora infrastructure to go completely down, while I'm looking for 
archived RHL (!!!).  For a while I couldn't even get to archive.org.  
Trying to get to bugzilla.redhat.com was impossible, and even archived 
mailing list posts were not available talking about the lost interrupt 
issue  (google's cache will only help you so far).  It was a pretty odd 
sight, seeing a 'www.redhat.com is down but will be back soon' webpage 
come up.
3.) vault.centos.org to the rescue; CentOS 2.1 is essentially an RHL 
7.x-derived distribution, and so I grabbed the two ISOs from a vault 
mirror.  The GUI install crashes out completely, but a text install 
worked swimmingly.  Since the app I need does have a glibc2.1 version, 
and since I already had it downloaded from back in 1998 or so, using the 
RHL 6.2 compat-glibc2.1 packages should work. Installed, booted, and got 
networking.  The C2.1 guest seems stable, and I'm pulling the updates 
repo from vault.centos.org and will set up local repos for yum (yum 
version 1!) and get it as fully updated as C2.1 can be (this isn't 
exposed to the internet).  Once updated and the compat-glibc2.1 
installed will try out the app in a testing mode, then pull over the 
database (postgresql 6.5, but I have a good dump I can restore into the 
C2.1 postgresql) and bring it back live.


Now, there is one other option that I found this morning: the LinuxTech 
repo for CentOS 6 has a libc5 for CentOS 6.  I'm setting up a testing C6 
i386 guest, and will try out the LinuxTech libc5. If that works that 
will be the route I go, since C6 is still updated.  I'm not going to 
abandon the C2.1 setup yet, though, since the app I'm using may need 
some other libs.  We'll see.


So, to answer my own question, CentOS 2.1 is the oldest thing I have 
thus far successfully run with full server functionality in C7's 
qemu-kvm-ev.



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Re: [CentOS] CentOS 7 + HPLIP = blank page

2017-04-22 Thread Nicolas Kovacs
Le 21/04/2017 à 18:44, m.r...@5-cent.us a écrit :
> Firewall open on the port... no, you said it sends some signal, since it
> prints out a blank page. And CUPS on your box is configured to understand
> the printer, right?

After I figured it out, I wrote a detailed blog post about the subject.

http://blog.microlinux.fr/hplip-centos/

Cheers,

Niki

PS: on a side note, I wanted to discuss this subject on the CentOS
Facebook group, but got blocked by their admin who seems to be the local
pet autocrat. Links to CentOS-specific blog posts are disallowed as well
as technical questions, so I wonder what this group is good for.
Probably discussing the weather while running CentOS...

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