Postings by johan.vermeulen7

usb problem on Dell Latitude 3570

Hello All,

after update to Centos7.5 all our Latitudes 3570 - some 150- suffer usb problems.
Plug and play doesn't work any more, people need to insert usb devices - mouse, keyboard, eidreader - first and then boot
in order to use them.

Centos7 update: epel no route to host

Hello All,

I' have a laptop who's not booting to graphical screen today.
Actualy I had several the last few days, related to cr repo.

This one won't update, EM:

updates | 3.4 kB 00:00:00
epel/x86_64/updateinfo FAILED
<a href="" title=""></a> [Errno 14] curl#7 - "Failed connect to; No route to host"

I reinstalled epel-release package, same issue remains.

I guess I could update without epel, but maybe this will make things worse.

update to Centos7.4: Failed to open \EFI\BOOT\grubx64.efi - Not Found

Hello All,

updating from Centos7.3 to Centos7.4 rendered one of our laptops unbootable.
Failed to open \EFI\BOOT\grubx64.efi - Not Found
Failed to load image \EFI\BOOT\grubx64.efi: Not Found
start_image() returned Not Found

How could this occur because of an update and how to fix this?

What I tried is booting from centos usb, chroot to /mnt/sysimage and gave command:
efibootmgr --create --label CentOS --disk /dev/sda1 --loader "\EFI\centos\shim.efi"

This gave no EM, but booting remains impossible.

I have to say I don't know whether to try grub2 of efibootmgr commands.

libimoblidevice prevents updating to Centos7.4

Hello All,

this problem occured both before the release with CR repo and now after the release.
I have 150 laptops running Centos7 / MATe, including my own laptop.

Centos7 - Mate : screensaver troubles after Freeipa-config

Hello All,

these days one of my tasks is connecting some Centos7 laptops to Freeipa, also running on Centos7.
After doing that, some users report nog being able to unlock their screens.
Only after reboot are they able to login again.

Centos7 System Storage Manager: Device /dev/sdc not found

Hello All,

I 've gotten myself into trouble by running out of disk space.

Centos7: util-linux-2.23.2-33.el7.x86_64 was supposed to be removed but is not!

Hello All,

a few weeks ago, I got this output after running yum clean all && yum update.

Centos7: Intel nuc/Linksys usb-ethernet

Hello All,

I'm installing some DIY routers, composed of Intel nuc's ,Linksys usb-ethernet adapters and Centos7

On most machines I just plug in the usb device, install Centos7 and everything works.
But on this one machine the network interface doesn't work.

Centos7: disable hot-corner

Hello All,

I switched some laptops over from Mate to Gnome.
Now I would like to disable the hot -switch-to-gnome3- corner.
When googling this, I see a lot of posts referring to /usr/share/gnome-shell/js /...... but the js dir is not there on my system.
I also see posts referring to gnome-extensions, but I need to do it remotely from the cli.

Can anyone help with this?

Greetings, J.

Adobereader on Centos7 crashes

Hello All,

I can't get Adobe Reader to run stable on Centos7, when trying to edit settings or trying to print, it crashes.
The issue is people need to digitally sign pdf forms. When I open these forms with anything else then Adobereader, I get EM

To view the full contents of this document, you need a later version of the PDF viewer. You can upgrade
to the latest version of Adobe Reader from <a href="" title=""></a>

I spent a lot of time trying to solve this with other pdf viewers, including google-chrome and Foxit, and trickery with ps2pdf and Pdfedit.


Hello All,

I have this problem starting Centos7.3 - the official name escapes me at the moment.
I often install Centos7 Minimal, then X Window System, then Mate desktop.
This last step gives me trouble, and I have to run
# yum groupinstall mate --skip-broken

skipped packages:

I realise this is probably an issue for EPEL or Mate.

Happy hollidays


always boot from Elrepo kernel

Hello All,

I purchased some Dell Latitude 3570 laptops. They came with Ubuntu preinstalled. ( Which I swapped for Centos7)
I have to use Elrepo kernel on these machines to get some of the fn function keys to work.
So I installed Elrepo's kernel-ml and selected this kernel with:
# grub2-set-default 0
( after disabling secure boot)

The problem I see is that after a next kernel update, the new Centos kernel will be nr 0 and the machine will
boot from that kernel if I tested this correctly.

Is there a way I can enable elrepo kernel update but not the regular Centos kernel?

Centos7 kickstart & pxe

Hello All,

I'm trying to get kickstart to work through pxe.
So far I've set up dhcp server, tftp and so on.
But it seems at some point I always get stuck because the iso file is write-protected.

I've tried remounting it rw, and I 've dd the iso first, I then get EM not a block device.

Any help would be appreciated.

Greetings, J.

centos7+lightdm : no /almost no login screen

Hello All,

slightly unrelated because lightdm = epel, I know.

Still, maybe someone had the same issue.

Mate-update breaks locale

Hello All,

today's Mate-updates seem to have removed our nl_be locale.
We run Mate desktop on some 15 Centos7 laptops.

Not so big a deal, we can easily switch to nl_nl or people would still figure it out in English.
But maybe for other, not so common locales, you might want to check before updating.

Greetings, Johan

Centos7.1 : Firefox-language problem is fixed


I somehow missed the announcement, but I just updated and Firefox 38.0.1 put me back to Dutch.

( <a href="" title=""></a> )

greetings, Johan

Re: [CentOS] CentOS 7 + Dell Latitude E6420 laptop = thermalshutdown

deoren <centos- ... at whyaskwhy dot org>schreef:

On 6/12/2015 4:10 AM, <a href="mailto:johan. ... at telenet dot be">johan. ... at telenet dot be</a> wrote:

Re: [CentOS] Installing all the mate desktop rpms

jd1008 < ... at gmail dot com>schreef:

On 06/12/2015 08:42 PM, John R Pierce wrote:

Re: [CentOS] : Installing all the mate desktop rpms

jd1008 < ... at gmail dot com>schreef:

Mate is not in the repos. has no packages for rhel or centos.

How can I install it

It's in epel repository.

yum install epel-release
yum groupinstall "X Window System"
yum groupinstall mate

Thats what I use on C7


Centos7 - Mate - Zombie printer icon remains after printing

Hello All,

I have the problem described in this bug:

<a href="" title=""></a>

It is also descibed in some detail here:

<a href="" title=""></a>

After printing, the print icon stays in the system tray until I logout.
The bugzilla says there is a fix for Fedora21.

Does anybody know how to get this fixed for C7?

Thanks very much.

Greetings, Johan

NetworkManager / wireless on latest Centos7 installs

Hello All,

on the latest installs I've done, on 2 different types of Latitude laptops, with 3 different wireless cars, of Centos7 and Mate desktop,
it looks to me like NetworkManager is nog managing wireless.
When clicking the nm icon in the top right corner, I'm not seeing access points.

Re: [CentOS] firefox 38 question


Chuck Campbell wrote:
Dunno 'bout 5; I'd been waiting, since I thought I remembered folks here
complaining about it breaking language support for 6, and I *know* that
some folks here have Chinese and Japanese support set, so I didn't want to
break it. However, the other admin did updates yesterday, and no one's
screamed yet.

Vodafone K4203 Mobile Broadband on Centos7


I hope someone can hlep me take this hurdle towards using Centos7
I'm trying to get a usb 3-g dongle to work on Centos7

On Centos6 I can follow the instructions that come with the device to get it to work:

1. Insert stick
2. Dismiss all popups about running the auto install scripts
3. Open terminal
4. cd $HOME
5. mkdir vfinstall
6. cd vfinstall
7. (cd /media/"Vodafone Mobile Broadband" && tar -cvf - .) | tar -xf <96>
8. chmod +x install_linux
9. sudo ./
10. Type user password

Centos6 & 7 : unable to print from webmail

Hello All,

I have this problem in both Centos 6 and 7, with standard Firefox, version 31.6.
I've tested this with Zarafa and Zimbra webmail.

Certain mails cannot be printed. These are mails that have "untrusted" images somewhere in the body of the mail.
As a workaround : If you forward the mail, and before you press send, you delete these images, you can print them.
I hope I'm explaining this right.

Note : if you ever wonder what a bunch of people complain about the most when you put them behind Linux machines, it's printing.

Centos7 Kompozer

Hello All,

can someone help me install Kompozer on Centos7?

I can't find it on any of the repo, en when using it from tar.gz file, I get an libgtk error.

Or, failing that, is any of the other wyswyg html editors easy to install on Centos7?

greetings, Johan

Centos7: start job running for dev/mapper-centos\x2dhome.device

Hello All,

I have this Centos7 machine that"s dualbooted with Win7.
It's Centos7 with Mate desktop.
The upgrade to Centos7.1 was interrupted. I ssh-d into the machine and finished it manualy,
by issuing the command
package-cleanup --cleandupes and
yum update

Now I' missing some packages, after some reïnstalling, I can boot again.

However, I can not log in.

unable to recover software raid1 install

Hello All,

on a Centos5 system installed with software raid I'm getting:

raid1: raid set md127 active with 2 out of 2 mirrors

md:.... autorun DONE

md: Autodetecting RAID arrays

md: autorun.....