I'm also using CentOS for a while and I'm deploying a CentOS8 cluster
for some months because it was supported until 2029! Bad idea.
For me, using debian has 2 important drawbacks
- some of proprietary software we are using is certified RHEL and SLES.
Deploying on CentOS is out-of-thebox. Deplo
>
> Best Regards,
> Strahil Nikolov
>
>
>
>
>
>
> В понеделник, 14 декември 2020 г., 15:46:50 Гринуич+2, Patrick Bégou
> написа:
>
>
>
>
>
> Hi,
>
> I'm deploying a CentOS8 (not stream 😁) cluster and I have a question
> about MT
Hi,
I'm deploying a CentOS8 (not stream 😁) cluster and I have a question
about MTU on the interfaces. I have a connectX6 Mellanox interface where
I need IBoIP setup.
I've setup this interface via nmcli and set the MTU to 65520 with:
nmcli connection modify ib0 mtu 65520
nmcli connection u
Did you notice the address ? It is not the same IP.
Patrick
Le 02/11/2020 à 17:48, Jerry Geis a écrit :
> So I have two CentOS 7 machines running.
>
> if I am on my server and I do "curl http://192.168.1.8"; I get data.
> If I do "host devgeis.LayeredSolutionsInc.com" I get the correct address
>
Hi,
I have a strange problem on one laptop with cups in CentOS7, all updates
applied.
Sometime, the lpstat -t command returns "No destination host name
supplied by cups-browsed for printer" and asks if cups-browsed is
running. Nonetheless cups-browsed is running and is configured.
Restarting cu
know how to investigate this
Patrick
Le 09/07/2020 à 12:11, Patrick Bégou a écrit :
> Hi Orion,
>
> no, I still have this problem. I delay working on it as I the latest
> updates have not been installed on the server and on the client. I'll
> work again on this problem as so
In my professional environment, user's laptop have small (but fast ;-))
storage and a local home directory (centOS7).
They use sshfs to reach a central storage for most of their needs. This
central storage is secured (ceph replication + daily backup).
It works also from home but, of course, with lo
l osvg -wi-ao
7,81g
tmpvol osvg -wi-ao
<9,77g
varvol osvg -wi-ao <9,77g
Patrick
Le 19/08/2020 à 18:18, Patrick Bégou a écrit :
> Hi Gordon,
>
> my dracut package is the l
Patrick
Le 19/08/2020 à 17:31, Gordon Messmer a écrit :
> On 8/19/20 1:02 AM, Patrick Bégou wrote:
>> However, if this snapshot exists, reboot of the server
>> freeze at boot time and I must manually remove this snapshot. Why ?
>
>
> It's a bug. Update dracut.
>
Hi,
I have a strange problem with my centos7 file server. I have a large
data storage (75TB in RAID6, managed by lvm) and each night I create a
snapshot (removing first the previous one). The snapshot is mounted
read-only so if a user remove a file accidentally he can restore it in
the same day.
Le 02/08/2020 à 09:47, Alessandro Baggi a écrit :
>
> Il 02/08/20 00:42, Mike McCarthy, W1NR ha scritto:
>> It appears that it is affecting multiple distributions including Debian
>> and Ubuntu so it looks like the grub2 team messed up. See
>>
>> https://www.zdnet.com/article/boothole-fixes-causing
solve the problem.
Patrick
Le 03/07/2020 à 00:05, Orion Poplawski a écrit :
> On 6/1/20 3:08 AM, Patrick Bégou wrote:
>> Le 13/05/2020 à 02:13, Orion Poplawski a écrit :
>>> On 5/12/20 2:46 AM, Patrick Bégou wrote:
>>>> Hi,
>>>>
>>>> I need some
Le 13/05/2020 à 02:13, Orion Poplawski a écrit :
> On 5/12/20 2:46 AM, Patrick Bégou wrote:
>> Hi,
>>
>> I need some help with NFSv4 setup/tuning. I have a dedicated nfs server
>> (2 x E5-2620 8cores/16 threads each, 64GB RAM, 1x10Gb ethernet and 16x
>> 8TB HDD
linux/
>
> Did you try to enable readahead (blockdev —setra) on the filesystem?
>
> On the client side, changing the mount options helps. The default read/write
> block size is quite little, increase it (rsize, wsize), and use noatime.
>
>
> Cheers,
> Barbara
>
>
>
Le 13/05/2020 à 15:36, Patrick Bégou a écrit :
> Le 13/05/2020 à 07:32, Simon Matter via CentOS a écrit :
>>> Le 12/05/2020 à 16:10, James Pearson a écrit :
>>>> Patrick Bégou wrote:
>>>>> Hi,
>>>>>
>>>>> I need some help with
Le 13/05/2020 à 07:32, Simon Matter via CentOS a écrit :
>> Le 12/05/2020 à 16:10, James Pearson a écrit :
>>> Patrick Bégou wrote:
>>>> Hi,
>>>>
>>>> I need some help with NFSv4 setup/tuning. I have a dedicated nfs server
>>>> (2 x
Le 12/05/2020 à 16:10, James Pearson a écrit :
> Patrick Bégou wrote:
>>
>> Hi,
>>
>> I need some help with NFSv4 setup/tuning. I have a dedicated nfs server
>> (2 x E5-2620 8cores/16 threads each, 64GB RAM, 1x10Gb ethernet and 16x
>> 8TB HDD) used by two
Hi,
I need some help with NFSv4 setup/tuning. I have a dedicated nfs server
(2 x E5-2620 8cores/16 threads each, 64GB RAM, 1x10Gb ethernet and 16x
8TB HDD) used by two servers and a small cluster (400 cores). All the
servers are running CentOS 7, the cluster is running CentOS6.
Time to time on t
Hi,
There were some "security issues" as detailed by our DSI. Personal data
going to FB servers and some data going to other server located in china
Not sure all has been disabled, almost for subscribed licenses. We are
seriously discouraged to use it now (it was a suggested tool some weeks
a
Le 06/04/2020 à 00:34, mark a écrit :
> Hi, folks,
>
> After I did a complete reinstall of current 7, with KDE instead of
> minimal, I'm mostly ok... except for Zoom. Has anyone gotten sound
> working with firefox? I get video, but it keeps claiming that my
> browser (the default firefox) can't
Thanks all for your answers ans suggestions. It cannot be a fail2ban
problem as firewall was disabled on the server for the tests.
The time was playing against me so I went back to centos6 (these
desktops must be available monday) and all run fine. I will investigate
this later. It's easy for me t
Hi,
I have a strange problem with a freshly installed Centos7 desktop
(most8pc25). I can't ssh to 2 CentOS6 servers, even with firewall
disabled on the client and on the server. But I can connect from the
server to the client, all in the same VLAN. I can also ssh from this
desktop to centos7 serve
Hi,
I've posted this on cups forum several days ago but did not receive any
suggestion. May be Centos Users/admins could give me some advices.
I've setup my first cups server to provide printing services to several clients
(instead of each CentOS client reaching the printer).
It is a dedicated
Le 18/02/2019 à 18:58, Tru Huynh a écrit :
> On Mon, Feb 18, 2019 at 06:36:10PM +0100, Patrick Bégou wrote:
> ...
>> - PXE boot start and the desktop load the kernel and the inirtd file
>>
>> - the kernel is booted and at this time the led of the network switch
>>
I'm trying to autoinstall a DELL 9030 desktop with CentOS7 using PXE and
Kikstart. I fall in a strange problem (I have several other laptop or
desktop using this install process without any problem, kernel and
initrd are from a Centos 7.4 iso)
- PXE boot start and the desktop load the kernel and t
Le 20/12/2018 à 16:21, Chris Schanzle via CentOS a écrit :
> On 12/20/18 10:07 AM, Patrick Bégou wrote:
>> Le 20/12/2018 à 14:11, lejeczek via CentOS a écrit :
>>> hi guys
>>>
>>> I wonder if any Centosian here have done something different than only
>>&g
Le 20/12/2018 à 14:11, lejeczek via CentOS a écrit :
> hi guys
>
> I wonder if any Centosian here have done something different than only
> contemplated using Fedora Server, actually worked on it in
> test/production envs.
>
> If here are some folks who have done it I want to ask if you deem it
> t
Le 08/12/2018 à 16:23, Pete Biggs a écrit :
>> thanks for the suggestion. Indeed it seems I have a problem with
>> glibc. Version is different between x86_64 and i386 and I have two
>> glibc-common for x86_64.
>> Trying to remove the old one request removing half of the system
>> packages because
Objet: Re: [CentOS] Centos7 broken after update
On 08.12.18 13:48, Patrick Bégou wrote:
> There are 1 outstanding transactions to complete. Finishing the most
> Any idea to go back to a normal situation before a full re-install ?
restoring the old state before the broken 'yum u
I've launch a "yum update" while I was going to lunch. 1 hour later the
system was completely freezed (no mouse, no keyboard, screen black, no
network).
I try a hard reboot => kernel panic on the new kernel
I boot on the old kernel => boot hangs with gnome-shell failure. SSH was
OK so I remove th
t; to check if it's running.
>
> For a more in-depth view on cups I can recommend reading the archwiki
> [2].
>
> best regards
> Markus
>
> [1] https://www.linux.com/learn/linux-101-printing
> [2] https://wiki.archlinux.org/index.php/CUPS
>
>
> On Mon, 2018-10-29
ght manner to reproduce
my previous centos6 setup ?
Sorry for this newbie question, I'm not very familiar with cups setup.
Patrick
Le 29/10/2018 à 14:45, John Hodrien a écrit :
> On Mon, 29 Oct 2018, Patrick Bégou wrote:
>
>> Any idea ?
>
> I don't see that this is a
Hi,
I have a setup problem with cups on my CentOS7 laptop.
In client.conf If have set the cups server FDQN used at work
ServerName servprint.lmy.lab.fr
But when I'm at home if I do not comment this line with:
# ServerName servprint.lmy.lab.fr
cups freeze as soon as I try to print something
Le 18/09/2018 à 10:04, Patrick Begou a écrit :
> Hi
>
> I have a fresh install of centos 7.4 with KDE on a laptop (latitude
> 5590) connected to a DELL WD15 dockstation with an additionnal screen.
> It works quite well, I have 2 screens side by side (default config),
> but
> If I add a second m
Thanks Pete and James for pointing to this detailed page on NFS. I was
unable to find this from google and now I clearly understand why these
files occur.
Patrick
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hw a écrit :
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
fin
Viewing GPX on a map ?
GPX files can be viewed with several web applications. I'm using GPS for
running and I use:
http://www.visugpx.com/
or
https://www.geoportail.gouv.fr/
For viewing gpx files on your linux box you can also use turtlesport (I
use it for a while)
http://turtlesport.sourcef
Quota are managed at the filesystem level, so they are managed by the
NFS server.
rquotad allow NFS clients to display users quotas when the filesystem is
mounted.
Be carefull withe autofs, if a remote filesystem is not mounted on the
client, nos quotas are displayed by the quota command.
Patr
Alice Wonder a écrit :
On 02/10/2017 12:34 PM, James B. Byrne wrote:
On Fri, February 10, 2017 06:26, Patrick Begou wrote:
Hello
I have more and more troubles using firefox in professional
environment with
CentOS6. The latest version is 45.7.0 But I can't use it anymore to
access some
old ser
Yes David, I'm using a release 32 of Firefox to reach my olds C6100
IDRAC7 interface.
The problem is for latest Firefox versions as they require libgtk-3 not
available in Centos6/RHEL6 distribution.
Today I use a very very bad solution to reach my switch with latest
firmware version from the l
ected everywhere I'll have to
understand this selinux application for a more secured system.
Thanks again.
Patrick
Jonathan Billings a écrit :
On Tue, Nov 11, 2014 at 07:43:21PM +0100, Patrick Bégou wrote:
I have a fesh install of CentOS release 6.6 on my laptop. I want to
use a more sec
I have a fesh install of CentOS release 6.6 on my laptop. I want to use
a more secure config with /home crypted. But when this partition is
mounted I cannot login anymore on my laptop. Only root can login. This
occur at level 5 (graphic login) or 3 (text login). The message is
"Cannot enter hom
I'm working with some people using apple laptops. When we share text
files (latex files), I reach in an encoding problem on our CentOS
laptops and desktops. In my favorite editor, "é" is "<8e>", "à" is
"<88>" etc...
Of course, I can change the encoding with iconv:
iconv -f MACINTOSH -t ISO8
Hi John,
I'm working from home today so I've ask the phd student to launch a PXE
boot for a new full kikstart install with a PC keyboard and then try to
configure the apple keyboard by hand. See the answers to your questions
below.
John Doe a écrit :
> From: Patrick Bégou
>
I have just installed (with kikstart) centOS6.4 on a PC which was
previously running OpenSUSE (11.x).
This PC has an apple keyboard and I'm unable to setup this keyboard.
In .xsession-errors I get this messages :
Error:No Symbols named "latin9" in the include file
"macintosh_vndr/fr"
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