Re: [CentOS] home on nfs

2017-11-12 Thread hw
"Denniston, Todd A CIV NAVSURFWARCENDIV Crane, JXVS"
 writes:

>> -Original Message-
>> From: hw [mailto:h...@adminart.net]
>> Sent: Monday, October 30, 2017 12:02 PM
>> To: CentOS mailing list
>> Subject: Re: [CentOS] home on nfs
>> 
>> Jonathan Billings  writes:
>> 
>> > On Oct 28, 2017, at 23:15, hw  wrote:
>> >>
>> >> Jonathan Billings  writes:
>> >>
>>  On Oct 27, 2017, at 10:21, hw  wrote:
>> 
>>  Hi,
>> 
>>  I have the home directory of a user on an nfs server and mount it on a
>>  client.  When the user logs in, they end up in the root directory rather
>>  than in their actual home directory and need to cd into it.
>> 
>>  The user can read and write to their home directory, so it kinda works
>>  fine --- but only kinda.  When the user starts emacs, some of the
>>  settings in ~/.emacs are not applied, but the saved desktop is being
>>  loaded.
>> 
>>  Both machines are running Centos 7.4.  What could be wrong with the nfs
>>  mount?
>> >>>
>> >>> Sounds like you haven’t set the selinux Boolean for NFS homedirs.
>> >>> setsebool -P use_nfs_home_dirs 1
>> >>
>> >> Oh, indeed, I didn´t know that I need to do that.
>> >>
>> >> Do I do this on the client or on the server or both?
>> >
>> > Just the client.
>> 
>> Thanks, I tried that and it works now :)
>> 
>
> If you find that the problem comes back in the near future (or perhaps
> check as a preventative), you should look to see if the client machine
> is using the 'soft' mount option instead of 'hard,intr' on the home
> dirs.  A few years ago it took me better than a month to figure out
> that some other admin had (on some machines) thought that using soft
> would cause less waiting on reboots, but we found that the side effect
> on home directories was corrupt data and strange issues on user
> login. (soft can work OK if there is a longish timeout between mount
> request and mount use, but if it is quick like autofs at login, then
> soft falls down.)

Thanks for the warning --- I´ll change it accordingly for just in case.
Corrupted data is bad ...
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[CentOS] slow libreoffice

2017-11-12 Thread hw
Hi,

so what do I need to install to prevent libreoffice from being so slow
that it becomes unusable?

This issue has been there with Fedora years ago, and now there´s same
issue with Centos.  Back then, there was a package you could install to
make it work at normal speeds, but last time I checked, this package
doesn´t exist anymore.

This issue is particular to the Fedora/Centos versions of libreoffice
and does not occur with other builds like the one you can download from
the libreoffice web site.


I was trying to make a chart and it became so slow that it´s unusable. I
guess scrolling is only fast enough because I have a powerful graphics
card.
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Re: [CentOS] slow libreoffice

2017-11-12 Thread vychytraly .
do you use libreoffice as rpm package or flatpak?

On Sun, Nov 12, 2017 at 2:27 PM, hw  wrote:

> Hi,
>
> so what do I need to install to prevent libreoffice from being so slow
> that it becomes unusable?
>
> This issue has been there with Fedora years ago, and now there´s same
> issue with Centos.  Back then, there was a package you could install to
> make it work at normal speeds, but last time I checked, this package
> doesn´t exist anymore.
>
> This issue is particular to the Fedora/Centos versions of libreoffice
> and does not occur with other builds like the one you can download from
> the libreoffice web site.
>
>
> I was trying to make a chart and it became so slow that it´s unusable. I
> guess scrolling is only fast enough because I have a powerful graphics
> card.
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>
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[CentOS] VMWare Workstation 14 on CentOS 7?

2017-11-12 Thread wwp
Hello,


did anybody succeed in installing/updating to VMWare Workstation
14.0.0-6661328 on an updated CentOS 7 (kernel 4.9.54-203.el7.centos.x86_64)?

Here it fails at building vmmon/vmnet modules.

I couldn't find anything about this on the Internet.. WS seems to get
less popular and unfortunately reproduces the same inability to install
upon kernel updates, that drives me nut for years now. Please don't
suggest other VM sw, I'm stuck to VMWare WS at work..


Regards,

-- 
wwp


pgp6Lk1VqXx_k.pgp
Description: OpenPGP digital signature
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Re: [CentOS] Logitech Brio 4K Ultra HD Webcam - 960-001105

2017-11-12 Thread Gregory P. Ennis
On 11/11/17 02:22, Gregory P. Ennis wrote:
> Everyone,
> 
> I was hoping to be able to plug the Logitech Brio in and have it
> work,
> but it did not.  I can have it connect to a Windows 10 laptop and
> have
> it function, so I know the camera works.
> 
> The Centos 7.4 is recognizing it when I plug in the usb 3.0 cable.
> The
> results of dmesg demonstrated :
> 
> [ 4519.922257] input: Logitech BRIO as
> /devices/pci:00/:00:04.0/:03:00.0/usb9/9-4/9-
> 4:1.4/input/input25
> 
> [ 4519.922402] hid-generic 0003:046D:085E.0009: input,hidraw0: USB
> HID
> v1.11 Device [Logitech BRIO] on usb-:03:00.0-4/input4
> 
> [ 4519.956452] usb 9-4: current rate 16000 is different from the
> runtime rate 48000
> 
> [ 4519.963948] usb 9-4: current rate 16000 is different from the
> runtime rate 48000
> 
> [ 4519.973798] usb 9-4: current rate 16000 is different from the
> runtime rate 48000
> 
> [ 4825.386775] usb 9-4: reset SuperSpeed USB device number 7 using
> xhci_hcd
> 
> [ 5079.321074] usb 9-4: USB disconnect, device number 7
> 
> 
> I am not seeing any new device driver in /dev/
> 
> Testing the programs 'cheese', 'vlc', and 'ucview' did not identify
> the
> camera.
> 
> I have used Logitech C922 webcams with Centos 7.4 which work just by
> plugging them in.
> 
> Does anyone have any ideas as to how to make this 4K camera work on
> 7.4?
> 
> Thanks for your help!!!
> 
> Greg Ennis
> 

You will need the appropriate device driver for it, and that driver
will 
need to support the device.

Probably the easiest way to see if the device is supported on Linux
yet 
is to boot the very latest kernel, which conveniently for you is 
packaged in RPM format in the elrepo-kernel repository. Head over to 
elrepo and set up the repository on your system:

http://elrepo.org/

then install the latest mainline kernel:

yum --enablerepo=elrepo-kernel install kernel-ml

Reboot to that new kernel (currently kernel-ml-4.13.12) and see again
if 
the device is supported.

---
Phil,

Thank you very much.  

After booting to the new kernel the camera worked very well with vlc
and ucview, but did not work with cheese.

I have never used a kernel from your website.  After checking whether
some of the things I use for production work with the new kernel, I did
not identify any problems.  Are there things I should consider, or is
this kernel reasonable to use on a production basis.

Thanks again

Greg


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Re: [CentOS] Logitech Brio 4K Ultra HD Webcam - 960-001105

2017-11-12 Thread Phil Perry

On 12/11/17 22:15, Gregory P. Ennis wrote:

On 11/11/17 02:22, Gregory P. Ennis wrote:

Everyone,

I was hoping to be able to plug the Logitech Brio in and have it
work,
but it did not.  I can have it connect to a Windows 10 laptop and
have
it function, so I know the camera works.

The Centos 7.4 is recognizing it when I plug in the usb 3.0 cable.
The
results of dmesg demonstrated :

[ 4519.922257] input: Logitech BRIO as
/devices/pci:00/:00:04.0/:03:00.0/usb9/9-4/9-
4:1.4/input/input25

[ 4519.922402] hid-generic 0003:046D:085E.0009: input,hidraw0: USB
HID
v1.11 Device [Logitech BRIO] on usb-:03:00.0-4/input4

[ 4519.956452] usb 9-4: current rate 16000 is different from the
runtime rate 48000

[ 4519.963948] usb 9-4: current rate 16000 is different from the
runtime rate 48000

[ 4519.973798] usb 9-4: current rate 16000 is different from the
runtime rate 48000

[ 4825.386775] usb 9-4: reset SuperSpeed USB device number 7 using
xhci_hcd

[ 5079.321074] usb 9-4: USB disconnect, device number 7


I am not seeing any new device driver in /dev/

Testing the programs 'cheese', 'vlc', and 'ucview' did not identify
the
camera.

I have used Logitech C922 webcams with Centos 7.4 which work just by
plugging them in.

Does anyone have any ideas as to how to make this 4K camera work on
7.4?

Thanks for your help!!!

Greg Ennis



You will need the appropriate device driver for it, and that driver
will
need to support the device.

Probably the easiest way to see if the device is supported on Linux
yet
is to boot the very latest kernel, which conveniently for you is
packaged in RPM format in the elrepo-kernel repository. Head over to
elrepo and set up the repository on your system:

http://elrepo.org/

then install the latest mainline kernel:

yum --enablerepo=elrepo-kernel install kernel-ml

Reboot to that new kernel (currently kernel-ml-4.13.12) and see again
if
the device is supported.

---
Phil,

Thank you very much.

After booting to the new kernel the camera worked very well with vlc
and ucview, but did not work with cheese.

I have never used a kernel from your website.  After checking whether
some of the things I use for production work with the new kernel, I did
not identify any problems.  Are there things I should consider, or is
this kernel reasonable to use on a production basis.

Thanks again

Greg





I would refer you to the release announcement:

http://lists.elrepo.org/pipermail/elrepo/2017-November/003904.html

Use at your own risk. But at least you now know the device is supported 
upstream, so you can head over to Red Hat and file an RFE to request 
support be backported from the upstream kernel.


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