Postings by Michael Lampe

Re: [CentOS] CentOS 7.5 (1804) and NetworkManager

Gnome's control-center now requires NetworkManager-wifi. But it's only a
soft requirement, no shared libs involved.

To keep your workstation NM-free, you want to install a dummy package
that provides NetworkManager-wifi but actually contains nothing, ideally
before updating to 7.5. Here's a script to create such a dummy:
<a href="" title=""></a>

If you do this, control-center shows a sad face and some text (Oops,
blah, blah, ...) in the WiFi tab. Just the same you always got in the
network tab without NM.

Re: [CentOS] ssh connections not closing when Qt application is opened?

If you connect with '-vvv' you can see multiple x11 connections being open:

debug3: channel 1: status: The following connections are open:
#0 client-session (t4 r0 i0/0 o0/0 fd 4/5 cfd -1)
#1 x11 (t4 r2 i3/0 o3/0 fd 7/7 cfd -1)
#2 x11 (t4 r3 i0/0 o0/0 fd 8/8 cfd -1)
#3 x11 (t4 r4 i0/0 o0/0 fd 9/9 cfd -1)

The additional x11 co

RH fucks up quite often recently

Latest really rude show stoppers were/are:


- librsvg2: your private fork bomb for gnome
- kernel: scheduler completely broken on numa systems
- qt: kde unusable when going up from -26 to -28


- firefox hangs on quit after latest ESR update
- (totem plugins no longer work too)

What I am using an enterprise distro for??


PS: I'm only wondering :)

Re: [CentOS] 3g usb dongle - Huawei E1552

6.5 is current, nobody cares for 6.4 anymore.

Put it into a Windows machine to switch it once. Then send it something


over the serial line to switch it permanently.


Re: [CentOS] I want to ask about some Kernel level operations.

Well, only God himself did the initial creative work just once -- after
that, He let things go, because it was already to complicated even for
Him -- or perfect. Anyway, because He had not planned doing it again and
reiterate, we now have theology and the subject of theodicy.

And remember: even the pope uses 'sudo' when he speaks 'ex cathedra'.

So wtf are you asking for??


Re: [CentOS] Serial Console Config in 6.5

According to the comments in /etc/init/serial.conf you shouldn't have a
/etc/init/ttyS0.conf or do anything to /etc/securetty. This is all
handled automatically. You just add 'console=tty0 console=ttySX,YZ' to
the kernel line in grub and that's it.

I did it like this a couple of days ago on 6.5.

Build environment for totem-2.16.7-7.el5_6.1.src.rpm

This package has a build requirement 'gecko-devel' which is fulfilled by
'xulrunner-devel'. But in the process of building the browser plugins
two tools named 'xpidl' and 'xpt_link' are necessary. They werde once
part of 'gecko-devel' but are now replaced by other tools. I haven't
found any package that has these tools all the way back to 5.0.

Maybe the makers of CentOS can give a hint. After all this package was
build for C5.



Re: [CentOS] Apple movie trailers on Centos6/Firefox

Assuming you have the necessary codecs installed, it still doesn't work,
because Apple checks your "QuickTime"-Version with some piece of
Javascript. It seems to check the same info you see with 'about:plugins'.

The totem plugin says 7.21 which is too low. Make it something higher,
like 9.99 to be set forever.


PS: There's no official way to do that. You can either patch and then
rebuild from source -- or you just modify the binary ...

A couple of 32-bit packages got no update in 6.3/x86_64

* hivex
* hivex-devel
* librdmac
* librdmac-devel
* sanlock-libs
* sanlock-devel

and maybe others.

Is this on purpose (I don't know if upstream has removed or updated the
32-bit rpms, but the old ones are still in C6.3/x86_64), or is it just
the usual sloppyness (I've been told here on previous occasions the
biarch is a pain in the ass to maintain, nobody cares anyway, it's not
'plain', and no sensible man should be using it).


Is there a way to _remove_ dependencies from an RPM built from source?

I'm building my own openmpi packages derived from upstream SRPMs.

Problem: The ones built with Intel's compiler can only be installed by
force, because Intel doesn't register their provided libs with rpm.

Any idea how this can be done?

(Alternative ideas are appreciated as well -- as long as they don't read
as: make Intel fix this.)


Anyone already tried to backport the latest ASPM kernel patch to 6.2?

After going from CentOS 5.7 to 6.2, a lot of things turned out to be
much better, but there are also quite some regressions. The most obvious
one is power consumption on my notebook.

Is Biarch with 6.x now dead?

I'm experimenting with 6.2 now. Things seem to be really great so far!

Distribution closure is one of my favourite pets. So I tried to install

I found only one problem, but that's another (minor) thing.

But I found almost nothing under /usr/lib.

So, Biarch is really dead?

Funny! A couple of years back, I finally opted for CentOS instead of
Debian just because of Biarch ...

I'm getting real old ...