Re: [CentOS] Recording Levels Audacity 2.3.3
Hey Fred, Thanks for the response. I installed pavucontrol and found the knob under Applications/Sound & Video. I'll give it a try tomorrow. -- _ °v° /(_)\ ^ ^ Mark LaPierre On 10/16/22 22:22, Fred wrote: Mark, that is my understanding of how it works on Linux systems. It is assumed that your input source will have a way of adjusting its output. I did a lot of digitizing of phonograph records a couple years ago, and found that the Pulse Audio Volume Control works for this. Fred On Sun, Oct 16, 2022 at 5:26 PM Mark LaPierre wrote: Hey Y'all, I cannot adjust the recording level in Audacity on my CentOS Stream release 8 system. It says that my system is prohibiting that. Bus 005 Device 004: ID 08bb:2900 Texas Instruments PCM2900 Audio Codec Is there a way to fix this without building a whole new system? -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Recording Levels Audacity 2.3.3
Hey Y'all, I cannot adjust the recording level in Audacity on my CentOS Stream release 8 system. It says that my system is prohibiting that. Bus 005 Device 004: ID 08bb:2900 Texas Instruments PCM2900 Audio Codec Is there a way to fix this without building a whole new system? -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] BIND server getting DDOS
On Wed, 3 Aug 2022, Gordon Messmer wrote: On 8/3/22 11:08, Mark Milhollan wrote: Usually that's someone hoping to use you in a reflection attack Doesn't a reflection attack require the reflecting server to answer queries? I'd think that the server logging that the query was denied would indicate that it is not vulnerable to that type of abuse. The server did send a DNS response packet to the apparent sources, just not as large as an attacker usually hopes for -- a referral is 800+ bytes vs REFUSED which is about 30. So a successful reflection but not quite the level of attack desired. The source addresses might be correct but in that case the systems are misconfigured since they want to resolve the root to an IP address, perhaps due to a recent update. /mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] BIND server getting DDOS
On Tue, 2 Aug 2022, Robert Moskowitz wrote: I just, maybe, figured out why I have been having problems with my CentOS DNS server with BIND 9.11.4. Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 114.29.194.4#11205 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 114.29.216.196#64956 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 64.68.114.141#39466 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 209.197.198.45#13280 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 114.29.202.117#41955 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:19 onlo named[6155]: client @0xaa3cad80 62.109.204.22#4406 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:49 onlo named[6155]: client @0xa9420720 64.68.104.9#38518 (.): view external: query (cache) './A/IN' denied Aug 2 15:47:50 onlo named[6155]: client @0xaa882dc8 114.29.202.117#9584 (.): view external: query (cache) './A/IN' denied Usually that's someone hoping to use you in a reflection attack, which is successful since UDP can be forged but it hasn't got the volume it might if you answered differently (with a referral). Sometimes it is a policy denial attack, hoping you will block the apparent source thus denying it service. The only way to stop it is for all others to employ BCP 38 which will likely never happen, or for you to stop allowing outside use of your nameserver which means having someone else handle DNS for you (which just seems to stop it, from your perspective). It shouldn't cause problems unless your server is vastly underpowered. What problems are you experiencing? /mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB 2.5GbE NIC
Hi, Can anyone please help. I have an Intel NUC11i7 running CentOS 8.4 successfully. I have a Plugable USB 3.0 to 2.5GbE adapter to be used with the NUC. This works at 1GbE but the standard CentOS 8.4 driver will not allow me to change the speed. Can anyone please point me in the right direction for the driver and driver installation instructions. Advise would be appreciated for anyone who has done this. Mark Woolfson -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] possible issue with CS8 kernel-4.18.0-358.el8.x86_64
On 1/30/22 23:06, Orion Poplawski wrote: On 1/28/22 10:27, Turing Eret wrote: I'd like to echo this. `kscreenlocker_greet` doesn't show a password prompt and can't be unlocked, `loginctl unlock-session` just doesn't work, sddm just stops at a black screen and never displays the login prompt. Backed up to 348 and everything works fine. Looks like some bugs have been filed: https://bugzilla.redhat.com/show_bug.cgi?id=2043771 https://bugzilla.redhat.com/show_bug.cgi?id=2043322 I just loaded the latest kernel this evening. I'm getting the same results. It gets as far as the splash screen with the swirly thing and just locks up. No login prompt. -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] vice.com and firefox
On 11/4/21 6:33 PM, edward via CentOS wrote: On 11/4/21 11:19 AM, mark wrote: Ok, last month, anyway, version of firefox. (Yeah, I know, time to update). 100% of the time, any link, anywhere, to vice.com gives me "network protocol violation". Anyone else seen this? Tutorial provides methods that may help to resolve the "network protocol violation / error" if they continue? https://ostechnix.com/how-to-fix-network-protocol-error-on-mozilla-firefox/ If I delete cookies, it sometimes works. The same is true with Lowes, and I see Costco (but not Home Despot). mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] vice.com and firefox
Ok, last month, anyway, version of firefox. (Yeah, I know, time to
update). 100% of the time, any link, anywhere, to vice.com gives me
"network protocol violation".
Anyone else seen this?
mark
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Re: [CentOS] Infiniband
Hello, Please can someone help. I have a large server cluster running CentOS 6.4 and CentOS 6.6 using 10GbE. I want to upgrade to Infiniband. What Mellanox ConnectX VPI is supported natively on these OS's? What Mellanox ConnectX VPI is supported using an additional device driver on these OS's? Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Connecting an android tablet to CentOS
On 9/14/21 1:09 PM, Frank Cox wrote:
On Tue, 14 Sep 2021 17:01:29 +
Richard wrote:
[My android device file viewer(s) wouldn't get me into the
Kindle data directory.]
I wonder if the Termux app would allow you to do look at that.
You can download the latest Termux from the F-Droid repo.
Using termx. I go to storage/shared/Android... and "not allowed." I
think they've made a change in Android's permissions.
mark
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[CentOS] Connecting an android tablet to CentOS
I plug it in via usb, and I see mtp... but it sees it as a camera for some reason. Clue? Meanwhile, they seem to have updated android to make things less accessable, meaning I can't find the kindle books I bought, as I could a few months ago. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Application migration
Hello, I have some data analysis applications running on CentOS 6.4 and 6.6. Due to these CentOS variants not being supported on the Intel Ice Lake server platform I have to migrate them. The minimum CentOS variant which works on the Ice Lake is 7.4. Please can you give me an idea of the migration complexity of moving the applications from 6.4/6.6 to 7.4 or any variant of 7. Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Mementos
Cleaning up, and found something relevant here: anyone want a memento - I have an original RH 5.2 set. No, not RHEL, I said RH 5.2 mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Annoying shortcut
For at least this year, I'm finding that whether I'm in LibreOffice, or Thunderbird, or Firefox, if I do *something*, and I haven't identified what, backspace will delete the entire word, though I haven't hit ctrl-bkspc. In system settings, it should only be the ctrl-bkspc. Has anyone else seen this behavior? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] A Blast from the past
Thank you for your feedback. Unfortunately the manufacturer of our application software will only support it on RHEL/CentOS 7.0. I have asked and that is all they say. When the CentOS 7.0 boots it does not recognise the CPU ID, flags it as a soft error then continues. The Haswell and the Ice Lake both have 28 cores but different frequencies. A couple of clues. At the boot prompt the server cooling fans are running slowly. When it hangs, after a short delay, the fans run faster and this is repeated. Also, when it hangs the keyboard is unresponsive and the server status LED's state that all is okay. If Intel adhere to the x86_64 standard for their processors then surely the only difference would be the addition functionality. I am trying to find a resolution as this particular application is perfect for our requirements. Mark -Original Message- From: CentOS On Behalf Of Phil Perry Sent: 17 August 2021 16:43 To: centos@centos.org Subject: Re: [CentOS] A Blast from the past On 17/08/2021 16:34, Simon Matter wrote: >> Hello, >> Can you please help with an interesting problem. >> I have an Intel Haswell based processor with CentOS 7.0 with an early >> kernel booting and running perfectly. >> I changed the processor to an Ice Lake and I get the problem below >> when I boot the working Haswell disk. >> The boot process hangs almost immediately and when I remove the 'quiet' >> boot >> parameter I see that it hangs randomly, usually with a high CPU >> number, when SMPBOOT is starting up the cores. >> The only solution I have found is to boot with the 'nr_cpus=8 (could >> be any low number), update to the latest kernel then reboot with the >> 'nr_cpus=8' >> parameter removed. >> On examination there are no problems with CentOS 7.4 and above but >> there are with CentOS 7.3 and below. > > I think the issue is quite clear here: the newer CPU is not handled > correctly by the old kernel - maybe it even doesn't know this CPU type > and doesn't know how to detect the number of cores it has. > > I don't think there is a better solution than what you already did. > > Regards, > Simon > Exactly what I was thinking. CentOS 7.0 released in 2014, Intel Ice Lake released at least 5 years later so there will be no support for Ice Lake in the CentOS 7.0 kernel. I'm surprised there is any support in 7.4. Why are you not using the latest release? ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] A Blast from the past
Hello, Can you please help with an interesting problem. I have an Intel Haswell based processor with CentOS 7.0 with an early kernel booting and running perfectly. I changed the processor to an Ice Lake and I get the problem below when I boot the working Haswell disk. The boot process hangs almost immediately and when I remove the 'quiet' boot parameter I see that it hangs randomly, usually with a high CPU number, when SMPBOOT is starting up the cores. The only solution I have found is to boot with the 'nr_cpus=8 (could be any low number), update to the latest kernel then reboot with the 'nr_cpus=8' parameter removed. On examination there are no problems with CentOS 7.4 and above but there are with CentOS 7.3 and below. Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Newest kernel issue, C7
Just fullyu updated yesterday. The reboot gets past Centos (core)... and reboots. Repeatedly. messages *look* as though it got up... and then reboot. Any clues? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Annoyances with sound
Hi, folks, Running C7, updated the beginning of this month. KDE, I go to the start menu->multimedia. and select kmix, the pretty cursor bounces for a while, then apparently ends with nothing running. Nothing in .xerrors. I try selecting audacity - which I don't trust, given that the last time, weeks ago, that I ran it from the command line, after about 5 min, it hung my system (16G RAM, Core I-7) so hard I had to power cycle. From the start menu... I get a popup "an error has occured." What's going on here? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [External] Re: Microsoft Teams on CentOS 7. Does the latest version work?
On Wed, 14 Jul 2021, Chris Adams wrote: Like a number of "desktop apps" for web-based sites, Teams is an Electron app. That means it's really a package of Chrome plus the site's client HTML/CSS/JavaScript, so you get all the fun bugs of Chrome (with no way to upgrade it). And it is still called a preview. I use the web version, directly, at <https://teams.microsoft.com>, so I can update my browser as I desire instead of being stuck with whatever happened to have been packaged until whenever Microsoft gets around to making a new package and decided to update their Electron base. /mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos versions in the future?
On 7/8/21 12:39 PM, Zube wrote:
On Thu Jul 08 12:32:53 PM, mark wrote:
I'm reminded of a column in SysAdmin, a long time ago. Seems the woman who
wrote? contributed? to the column Daemons and Dragons was wearing a t-shirt
with the logo, and she was traveling with some folks in the US South. She
went in to pick up some bbq... and by the time she had the food and was
walking out, was afraid that she might be attacked by one or more of the
"Real Christians" in the shop, from the comments they made, because of the
shirt.
First thing I thought of too.
https://www.netfunny.com/rhf/jokes/new89/satan.773.html
Thanks! That's exactly the one I was thinking of.
mark
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Re: [CentOS] Centos versions in the future?
On 7/8/21 11:38 AM, Nikolaos Milas wrote: On 8/7/2021 6:19 μ.μ., Valeri Galtsev wrote: ... Of course, tastes differ, but still, only those who tasted both things can have fairly say what is better to one's own taste. ... But even as part of our infrastructure fled to FreeBSD... ... As a side note: l never used FreeBSD, even though I've heard good things about it. Frankly, I loathe its devil logo. I know it's probably derived from the Unix "daemons", yet I fail to get reconciled with it. It's simply appalling to me (even if it's smiling) :( I don't require any reply on my above comment (I might even be called naive or whatever). It's some kind of personal confession which I feel I need to express somehow. I simply wish FreeBSD people changed this logo at some point... I wonder whether FreeBSD users are expressing similar concerns... I am not following any FreeBSD activity or discussion. *chuckle* I'm reminded of a column in SysAdmin, a long time ago. Seems the woman who wrote? contributed? to the column Daemons and Dragons was wearing a t-shirt with the logo, and she was traveling with some folks in the US South. She went in to pick up some bbq... and by the time she had the food and was walking out, was afraid that she might be attacked by one or more of the "Real Christians" in the shop, from the comments they made, because of the shirt. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos versions in the future?
On 08/07/2021 09:09, Mark Rousell wrote: > I'm not affiliated with Navy Linux but it seems to me there's nothing > inconsistent there. They say it was set up as a community project on > January 4, 2021 and a foundation (a common component of community > projects) was formed on June 14, 2021. > > That's all perfectly straight and consistent. Rocky, for example, > followed the same process didn't it: The community was formed and then a > foundation followed soon afterwards. P.S. Despite my comment above, I do agree that the disappearing of their reference to "Unixlabs" on their website is not confidence-inspiring. And not making it clear which/who this Unixlabs is, is even more frustrating. -- Mark Rousell ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Centos versions in the future?
On 07/07/2021 17:52, Jon Pruente wrote: > That furthers what I wrote earlier. That says: > > Date of formation: June 14, 2021 > > Yet the about page ( https://navylinux.org/about/ ) was changed to say: >> Navy Linux and The Navy Linux Project is an on-going community project > founded by Navy Foundation on January 4, 2021. > > They don't have a straight story, and they've been changing it > inconsistently. That's not how you build trust. I'm not affiliated with Navy Linux but it seems to me there's nothing inconsistent there. They say it was set up as a community project on January 4, 2021 and a foundation (a common component of community projects) was formed on June 14, 2021. That's all perfectly straight and consistent. Rocky, for example, followed the same process didn't it: The community was formed and then a foundation followed soon afterwards. -- Mark Rousell ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Audacity
On 7/7/21 7:34 PM, mark wrote: I'm trying to record a reading of my just-published novel... and I'm underwhelmed. In KDE, I select multimedia->audacity, and it crashes. I can get it to run from a command line, but if I try to start "new", it crashes. When I was testing, and got the correct mike, then wanted to delete what I'd done and actually start, it crashes. This is as installed, nothing odd. Recommendations (other than reinstall)? Well, I got it running again - from the command line. And read for maybe five minutes... and then audacity literally ate my system. Cursor disappears on and off, minutes to do anything, and I couldn't kill it, because it the window xterm took far too long to respond. I had to push the physical button, and power cycle the system. Now to find something else to use to record a voice. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Audacity
I'm trying to record a reading of my just-published novel... and I'm underwhelmed. In KDE, I select multimedia->audacity, and it crashes. I can get it to run from a command line, but if I try to start "new", it crashes. When I was testing, and got the correct mike, then wanted to delete what I'd done and actually start, it crashes. This is as installed, nothing odd. Recommendations (other than reinstall)? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [Slightly OT] video driver for NVIDIA Quadro
Installation of Dell T7600 CentOS 7.6 Nvidia GPU Driver
Make sure that the Dell T7600 is attached to a network.
Install OS if required: Boot USB CentOS 7.6 distribution
Use arrow keys to position to ‘Install CentOS 7’
Enter
Use arrow keys to insert at the end of boot command
line: nouveau.modeset=0
Build CentOS 7.6 making sure that the network is
enabled during the configuration phase
Reboot making sure that the USB CentOS 7.6 distribution
is removed
Common procedure: At CentOS boot prompt enter
Use arrow keys to insert at end of line starting
‘linux16’: nouveau.modeset=0
Enter
Log in, start a terminal window and become superuser
Enter: yum -y update kernel-3.10.0-1160.11.1.el7.x86_64
Enter: cd /etc/default then edit the file grub
Change: GRUB_DEFAULT=0
Append to GRUB_CMDLINE_LINUX before last “:
nouveau.modeset=0
Enter: grub2-mkconfig -o /boot/grub2/grub.cfg
Enter: grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
Enter Browser and go to:
www.nvidia.com/object/unix.html
Download Nvidia Legacy Driver 390.138 and save
*
Reboot making sure the 1160.11 kernel is selected
Log in, start a terminal window and become superuser
Enter: yum -y groupinstall “Development Tools”
Enter: yum -y install kernel-devel epel-release
Enter: systemctl isolate multi-user.target
Log in and become superuser
Change directory to where the Nvidia driver was saved
*
Enter: sh NVIDIA-Linux-x86_64-* and answer
Yes/Overwrite to everything
Reboot making sure that the 1160.11 kernel is selected
The procedure is now complete
To check the driver is installed correctly: Log in,
start a terminal window and become superuser
Enter: lshw – numeric -C display
The configuration line should have: driver=nvidia
nvidia-settings can now be used to change display
settings
Mark
-Original Message-
From: CentOS On Behalf Of Anthony K
Sent: 01 May 2021 06:57
To: centos@centos.org
Subject: Re: [CentOS] [Slightly OT] video driver for NVIDIA Quadro
On 1/5/21 3:53 pm, Anthony K wrote:
> On 29/4/21 11:55 pm, R C wrote:
>> ...
>> I was able to build/compile the drivers with
>> NVIDIA-Linux-x86_64-460.73.01.run on 4.18.0-240.22.1.el8_3.x86_64, it
>> gave me a warning about pkcfg, but no other warnings/errors and seem
>> to install, however, after booting it still didn't use that driver,
>> but the nouveau one ...
Dang it - formatting destroyed again... Thunderbird - The bane of email on
Linux...
One more attempt:
Not exactly an apples-to-apples comparison as I'm on Ubuntu, but just to show
that Nvidia still supports this card (I'm on the same laptop -
m6700 - though lower powered GPU).
I have enabled Optimus in the BIOS and also installed bumblee for Optimus [1]
support.
$ ubuntu-drivers devices
== /sys/devices/pci:00/:00:01.0/:01:00.0 == modalias :
pci:v10DEd11BEsv1028sd153Fbc03sc00i00
vendor : NVIDIA Corporation
model: GK104GLM [Quadro K3000M]
driver : nvidia-driver-390 - distro non-free recommended driver :
nvidia-340 - distro non-free driver : nvidia-driver-418-server - distro
non-free driver : xserver-xorg-video-nouveau - distro free builtin
$ dpkg -l nvidia* *bee*| awk '/^(Des|\| Sta!|\||\+)/{print}; /^ii/{print}'
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++---==
+++==-===
ii bumblebee3.2.1-22 amd64NVIDIA Optimus
support for Linux ii nvidia-compute-utils-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA compute utilities
ii nvidia-dkms-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA DKMS package
ii nvidia-driver-390390.141-0ubuntu0.20.04.1
amd64NVIDIA driver metapackage
ii nvidia-kernel-common-390 390.141-0ubuntu0.20.04.1
amd64Shared files used with the kernel module ii
nvidia-kernel-source-390 390.141-0ubuntu0.20.04.1
amd64
Re: [CentOS] [Slightly OT] video driver for NVIDIA Quadro
Hi,
The attached is for a project we did about 6 months ago.
Hope that this helps.
Mark
-Original Message-
From: CentOS On Behalf Of Anthony K
Sent: 01 May 2021 06:57
To: centos@centos.org
Subject: Re: [CentOS] [Slightly OT] video driver for NVIDIA Quadro
On 1/5/21 3:53 pm, Anthony K wrote:
> On 29/4/21 11:55 pm, R C wrote:
>> ...
>> I was able to build/compile the drivers with
>> NVIDIA-Linux-x86_64-460.73.01.run on 4.18.0-240.22.1.el8_3.x86_64, it
>> gave me a warning about pkcfg, but no other warnings/errors and seem
>> to install, however, after booting it still didn't use that driver,
>> but the nouveau one ...
Dang it - formatting destroyed again... Thunderbird - The bane of email on
Linux...
One more attempt:
Not exactly an apples-to-apples comparison as I'm on Ubuntu, but just to show
that Nvidia still supports this card (I'm on the same laptop -
m6700 - though lower powered GPU).
I have enabled Optimus in the BIOS and also installed bumblee for Optimus [1]
support.
$ ubuntu-drivers devices
== /sys/devices/pci:00/:00:01.0/:01:00.0 == modalias :
pci:v10DEd11BEsv1028sd153Fbc03sc00i00
vendor : NVIDIA Corporation
model: GK104GLM [Quadro K3000M]
driver : nvidia-driver-390 - distro non-free recommended driver :
nvidia-340 - distro non-free driver : nvidia-driver-418-server - distro
non-free driver : xserver-xorg-video-nouveau - distro free builtin
$ dpkg -l nvidia* *bee*| awk '/^(Des|\| Sta!|\||\+)/{print}; /^ii/{print}'
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++---==
+++==-===
ii bumblebee3.2.1-22 amd64NVIDIA Optimus
support for Linux ii nvidia-compute-utils-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA compute utilities
ii nvidia-dkms-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA DKMS package
ii nvidia-driver-390390.141-0ubuntu0.20.04.1
amd64NVIDIA driver metapackage
ii nvidia-kernel-common-390 390.141-0ubuntu0.20.04.1
amd64Shared files used with the kernel module ii
nvidia-kernel-source-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA kernel source package ii nvidia-prime
0.8.15.3~0.20.04.1 all Tools to enable NVIDIA's Prime ii nvidia-settings
440.82-0ubuntu0.20.04.1
amd64Tool for configuring the NVIDIA graphics driver ii
nvidia-utils-390 390.141-0ubuntu0.20.04.1
amd64NVIDIA driver support binaries
[1]:
http://forum.notebookreview.com/threads/linux-driver-software-support-for-m6700.696804/
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Re: [CentOS] include file
Hello, I am trying to build some drivers under CentOS 8.3 using scripts which work on CentOS 8.2. However, I am now missing the include file drm/drmP.h. Please can you tell me where I can find this file. Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] NAME:WRECK
I'm reading a story linked to from slashdot, and I see FreeBSD is vulnerable. Has anyone looked at CentOS? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] almalinux?
On 4/5/21 3:24 PM, J Martin Rushton via CentOS wrote: I installed the beta when it came out on a VM running under C7. I upgrade every day or two and Alma upgrades have so far been seamless. It's transited from beta to RC and now to stable. I installed the RC on a USB stick to allow me to run as bare metal on a laptop (which unfortunately has to remain as Win10). It ran fine until the upgrade to stable, but then corrupted the image during the upgrade. I reinstalled and it seems to be running fine. No one has said it, but everyone that's tried it - what's it at? I'm on CentOS 7. Do I have to go to 8 for Alma? Is there a 7? Is the conversion script someone mentioned for same release, or upgrade, or...? mark I've been trialing Springdale as well (as a VM). Requirements are: OwnCloud DokuWiki Zotero DNS slave, eventual master DHCP server NFS server Thunderbird Firefox KeePass OpenOffice FreeCAD Octave Lilypond and Frescobaldi Compilers: GNU and others. I'll probably think of a few users as I work through them! ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] almalinux?
Anyone looked into almalinux? I was sort of waiting for rocky, but I see from over the weekend on slashdot that almalinux stable is released. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 7.3
Hello, I have solved the problem but I don't know why it now works. If I boot the 7.3 USB Key, go to troubleshoot then select installation with basic graphics it all works. I can then boot the system disk and set up the full graphics. As an experiment I tried both 7.2 and 7.4. The above rules apply to 7.2. With 7.4 it works with no problems. To tidy up the boot process 'irqpoll' needs to be included in the boot command line/grub. Thank you for all your suggestions. Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 7.3
Hello, I wonder if you could help. I have a requirement to load CentOS 7.3 on to a server. I have the distribution on a bootable USB key. CentOS boots to the first menu but when I select the option to install almost immediately I get the error below: NMI watchdog: BUG: soft lockup - CPU#82 stuck for 23s! [system-udevd:1221] The above error is output every 23s This is a repeatable error condition. When I load CentOS 7.4 on to the server I get no problems. When I load the above CentOS 7.3 distribution on to an older server I get no problems. Has anyone every seen the NMI watchdog error and found a resolution. Thank you in advance, Mark -- This email has been checked for viruses by AVG. https://www.avg.com ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] RHEL changes
On 1/22/21 9:10 AM, Stephen John Smoogen wrote:
On Fri, 22 Jan 2021 at 08:32, Gionatan Danti wrote:
Il 2021-01-22 13:43 Nikolaos Milas ha scritto:
I think we can expect Rocky Linux to provide a real solution to CentOS
future. We shall know very soon, so let's just wait for a short while.
Hi, there are any specific reasons to not use Spingdale Linux?
As far I know, it already ships a RHEL 8.3 clone.
My guess is that no one wants to go to a new OS alone. They want to go with
all their mailing list buddies but they also want to make a STATEMENT to
stick it in the eye of Red Hat for doing this. Going to a staid and quiet
existing OS doesn't make that statement. Going to a competing company like
Oracle does have the stick in the eye, but it already has its own community
and ways of doing things in an Oracle way. A lot of grumpy old sysadmins
are a drop in the bucket. Now Rocky has no history, no existing community
and a bunch of old sysadmins could jump in and be just like they were
elsewhere. So try and get everyone you know to go there.. [it also doesn't
exist so if it doesn't work out you won't have moved your systems to it and
then found you had to move it something else.]
Well, y'know, right now is sorta like after RH 9, when suddenly there
was this RHEL, and IIRC, you could get it for free for home/small use,
then suddenly it was "nope, gotta pay".
Been here before, not happy.
mark
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Re: [CentOS] Reboot/shutdown without login
Hello,
I had this problem on a Dell T7600 running CentOS 7.6 and 8.2.
The Dell does not have an embedded GPU so a PCIe one is used, typically
Nvidia.
The standard CentOS Nvidia driver does not work on a Dell T7***.
You need to apply the Nvidia driver from their web site.
Below are the detailed instructions for CentOS 7.6
Installation of Dell T7600 CentOS 7.6 Nvidia GPU Driver
Make sure that the Dell T7600 is attached to a network.
Install OS if required: Boot USB CentOS 7.6 distribution
Use arrow keys to position to 'Install CentOS 7'
Enter
Use arrow keys to insert at the end of boot command
line: nouveau.modeset=0
Build CentOS 7.6 making sure that the network is
enabled during the configuration phase
Reboot making sure that the USB CentOS 7.6
distribution is removed
Common procedure: At CentOS boot prompt enter
Use arrow keys to insert at end of line starting
'linux16': nouveau.modeset=0
Enter
Log in, start a terminal window and become superuser
Enter: yum -y update
kernel-3.10.0-1160.11.1.el7.x86_64
Enter: cd /etc/default then edit the file grub
Change: GRUB_DEFAULT=0
Append to GRUB_CMDLINE_LINUX before last ":
nouveau.modeset=0
Enter: grub2-mkconfig -o /boot/grub2/grub.cfg
Enter: grub2-mkconfig -o
/boot/efi/EFI/centos/grub.cfg
Enter Browser and go to:
www.nvidia.com/object/unix.html
Download Nvidia Legacy Driver 390.138 and save
*
Reboot making sure the 1160.11 kernel is selected
Log in, start a terminal window and become superuser
Enter: yum -y groupinstall "Development Tools"
Enter: yum -y install kernel-devel epel-release
Enter: systemctl isolate multi-user.target
Log in and become superuser
Change directory to where the Nvidia driver was
saved *
Enter: sh NVIDIA-Linux-x86_64-* and answer
Yes/Overwrite to everything
Reboot making sure that the 1160.11 kernel is
selected
The procedure is now complete
To check the driver is installed correctly: Log in,
start a terminal window and become superuser
Enter: lshw - numeric -C display
The configuration line should have: driver=nvidia
nvidia-settings can now be used to change display
settings
Regards,
Mark Woolfson
-Original Message-
From: CentOS On Behalf Of Kenneth Porter
Sent: 11 January 2021 18:23
To: CentOS mailing list
Subject: [CentOS] Reboot/shutdown without login
I installed CentOS 8 on a Dell server and it's been running fine as a
headless system, admin'd remotely by ssh. Now I'd like to allow someone to
shut it down at the console without logging in. Is there a way to do that?
Or do I need to get the GUI working?
I tried switching it into graphical mode ("systemctl isolate graphical") and
the console freezes with nothing but a non-blinking text cursor at top left.
The usual virtual console switching hotkeys (ctrl-alt F1-F7) don't do
anything when it's hung like this. The system is still responsive in my ssh
session. It doesn't recover if I switch back to multi-user target so I have
to reboot it to make the console useful again. I'm guessing I'm lacking a
good video driver. (It's an R720xd I inherited and the latest drivers on
Dell's site are for RHEL 7.)
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Re: [CentOS] Is EPEL compatible with Stream?
On 1/3/21 8:34 PM, Stephen John Smoogen wrote: On Sun, 3 Jan 2021 at 18:20, Gordon Messmer wrote: On 1/3/21 2:51 PM, Kay Schenk wrote: is it still OK to set up EPEL as a repo? Yes. CentOS Stream is expected to be backward-compatible with RHEL, for the same reason that each RHEL point release is backward-compatible with previous point releases. Except in cases where packages in a RHEL point release are being rebased. This is something which is happening with a lot more gusto than in any previous releases so there may be points where say a QT or a gnomelib provides in Stream is ahead of EPEL So how would one use this shiny bit of information? Is there a way to discover if an EPEL application is going to clobber your system before you install it? -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Disk choice for workstation ?
If you are planning to directly replace the SATA magnetic disks with SATA SSD's then although you will reduce significantly the seek time but the bandwidth of SATA is no where near the bandwidth of NVMe. SSD's are intrinsically better than magnetic disks although magnetic disks are now available up to 20TByte in capacity. If I was you I would get a PCIe 3.0 or 4.0 2*NVMe Raid 0/1 carrier and install two SSD's on to it and mirror them. Even though SSD's are very reliable your data is more valuable. Don't go for super cheap SSD's as the write threshold will be low. I would look at Samsung for SSD's for performance or Kioxia (Toshiba) SSD's for price. As regards the carrier I would look at Sonnet or Highpoint. Bear in mind that the commercial sweet spot for SSD's is 1 or 2 TByte. Mark Woolfson -Original Message- From: CentOS On Behalf Of Walter H. Sent: 26 December 2020 20:26 To: centos@centos.org Subject: Re: [CentOS] Disk choice for workstation ? If I were you, I'd do the 2nd ... use a larger SSD (1 TB), and keep the mirror set (raid 1) for /data Walter On 26.12.2020 21:20, Nicolas Kovacs wrote: > Hi, > > My workstation is currently equipped with a pair of Western Digital > Red 1 TB SATA disks in a software RAID 1 setup. > > Some stuff like working with virtual machines is a bit slow, so I'm > thinking about replacing the disks by SSD. > > I'm hesitating between three different setups: > > 1) Use a relatively small SSD (120 to 240 GB) to reinstall the system on it. > Keep the two SATA disks in a RAID 1 array and mount /home on it. > > 2) Use a larger SSD (500 GB to 1 TB), install everything (including > /home) on it. Keep the two SATA disks in a RAID 1 array and mount them on /data for storage. > > 3) Get rid of the disks and go full SSD, with a 1 TB disk. > > Any advice from the hardware gurus on this list? > ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [EXT] Re: https://blog.centos.org/2020/12/future-is-centos-stream/
On 12/9/20 1:11 PM, Tom Bishop wrote:
Well looks like the jokes have already started, some one from work sent
this to me this morning - https://centos.rip/
No association etc not sure who etc...
___
ROTFLMAO!
Reminds me of when Anderson Consulting, now Accenture, was going start a
spin-off in Europe called Monday Morning... but disgruntled ex-employees
got the domain name before they did (they announced before getting the
domain name), and the ex-employees had two fingers dancing on a desk,
singing "we got your name, we got your name"
mark
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Re: [CentOS] [CentOS-devel] https://blog.centos.org/2020/12/future-is-centos-stream/
On 12/9/20 11:15 AM, Neil Thompson wrote: On Wed, 9 Dec 2020 at 18:06, Phelps, Matthew wrote: Hear! HEAR! NOBODY asked. OK. We get it. We all get it loud and clear. You're pissed off. There's two things you can do about that - 1) accept reality and start making plans to deal with it, or 2) continue to whine and lash out at people who are probably feeling worse about the situation than you are, in which case I have to question whether you actually have the maturity to be able to administer a single machine, let alone any kind of IT facility. Cheers! (Relax, have a homebrew) ___ I see, so your response to WHY DIDN'T YOU POST HERE, AND EVEN LET EVERYONE KNOW THIS WAS BEING CONSIDERED?! is "sorry you're pissed, tough"... no apology for NOT WARNING US, no nothing. "Community"? Obviously you left us behind. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] https://blog.centos.org/2020/12/future-is-centos-stream/
On 12/9/20 9:32 AM, Brendan Conoboy wrote: On Wed, Dec 9, 2020 at 1:41 AM Pete Biggs wrote: I think what a lot of people are concerned about is the rolling-release aspect of this. There will be no definitive versioning of CentOS in the future - all you will be able to say is "fully updated" and it won't be As CentOS Stream grows, I expect many companies who sell hardware will become active members of the community. I expect them to leave. In the real world, we had EXTREMELY limited windows to update servers and workstations. To expect people to do daily updates is asking for management, as well as the users, to scream bloody murder. Most are *not* that technical, and will start blaming the update for something else not working, and management will hear *them*. I was chased off RH after RH 9, when it went to pay for licenses (and I was "between positions"), and came back, because I *like* the RH architecture. but I'm considering ubuntu now. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Setting up NIS on Centos 8
On 12/6/20 11:21 AM, Pete Biggs wrote: I found this: https://www.server-world.info/en/note?os=CentOS_8=nis=1 I've been told in the past that NIS should not be used because of some supposed security issues. Can someone site any authoritative documentation concerning the security issues extant in NIS? There's a lot of documentation out there. Basically YP/NIS transmits everything over the network in plain text, including password hashes. combined with no authentication/authorisation mechanism, out of the box NIS will give your password hashes to anyone who asks for them. Clearly once a username/password hash has been discovered, it's only a matter of time before a password is found. NIS+ is very different in that it is much more security aware, but consequently much more complex. My plan is to set up NIS and NFS on my home network server where I plan to host all the local home network /home directories. I'll use automount on all the other nodes to mount up the home directories when a user logs on. If you have a fully private network, then the security issues are not so bad. It still has its place in things like clusters, but even then it is being superseded by LDAP. If you are setting up a system from scratch, then you really should be looking at using LDAP, it's not that difficult and there are plenty of tools around to help you manage it all. P. Okay, say I decide to go with LDAP and NFS. I'll be needing some hand holding to get it set up. Are you willing to walk me through this? I tried to set up 389 a while ago but ran into the nobody/nobody problem on the client computer that I could not solve. No help arrived then. I don't want a repeat of that. -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] [CentOS-devel] https://blog.centos.org/2020/12/future-is-centos-stream/
Oh, that's right, it's 2020, the dumpster fire of a year. On 12/9/20 4:40 AM, J Martin Rushton via CentOS wrote: On 09/12/2020 09:26, cen...@niob.at wrote: On 09/12/2020 07:16, Kingsly John wrote: A non-paying CentOS user is not a real loss for RHEL. But people dumping CentOS for a non-RHEL clone is definitely going to impact their future revenues as they are losing mindshare/goodwill/easy migration etc. > I am seeing this in practice already with juniors - they all use Ubuntu on their personal systems and they hate having to deal with RHEL. And their opinions matter in the long run. And exactly the same applies to senior (or retired) admins on their home computers. My main home machine runs about a dozen testbed VMs, DHCP/DNS for the home network, Amanda, NFS and Samba for other machines, ownCloud, Apache, Zotero and DokuWiki for the family. I want a stable server under that lot, not a beta release. Retired sr. Linux admin here also, also running CentOS at home. Moved to 7 this past summer (really dislike sstemd, hung onto 6 as long as possible). What I find outright offensive is that I see someone posted the specs for the Board... and #2 was "community outreach". Can someone point me to a post, ONE SINGLE POST, before this announcement, saying that this was being considered? That this might possibly happen? Show me that this was not just presented to the community as a fait accompli, non-negotiable. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Trying to find gcc 5
Hi, there,
On 12/4/20 3:29 PM, Kay Diederichs wrote:
On 12/4/20 1:26 AM, mark wrote:
Hi, folks,
It seems I can't run a version of calibre newer than 3.23 without at least one
library from gcc-5 (and the calibre attitude seems to be "screw you, 4's ancient,
move to another distro").
I've added the scl repo - what devtoolset do I need to install?
try
yum install devtoolset-4-gcc
That was the answer I was looking for. Unless it puts the libraries in
the std. locations, I assume I'll have to set a modified PATH for
calibre, but sounds good.
Thanks!
mark
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[CentOS] Setting up NIS on Centos 8
Hey Y'all, I found this: https://www.server-world.info/en/note?os=CentOS_8=nis=1 I've been told in the past that NIS should not be used because of some supposed security issues. Can someone site any authoritative documentation concerning the security issues extant in NIS? My plan is to set up NIS and NFS on my home network server where I plan to host all the local home network /home directories. I'll use automount on all the other nodes to mount up the home directories when a user logs on. -- _ °v° /(_)\ ^ ^ Mark LaPierre ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Trying to find gcc 5
Hi, folks,
It seems I can't run a version of calibre newer than 3.23 without at
least one library from gcc-5 (and the calibre attitude seems to be
"screw you, 4's ancient, move to another distro").
I've added the scl repo - what devtoolset do I need to install?
mark
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[CentOS] Firefox, C-7, and... reboot?
Last night, for the second or third time since I upgraded from C6 to c7 this summer, I did something on firefox - I think it was reload a page, and my system rebooted. Yes, I have a ton of tabs open. I see nothing suspicious in /var/log/messages, or in /var/log/dmesg.old. I saw a mention of boltd? I think, but nothing more. Has anyone else had this problem? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Android on CentOS 7
Should I install android studio, or spin up a vm and use the android .iso? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Torrent d/l package for C7
Hi, folks, yum list \*torrent\* gives me several torrent d/lers. Any recommendations? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] kindle app on CentOS 7?
Anyone got a link to someone's how to install the kindle app for PC on CentOS 7? mark "don't get me started on Nook and ACE" ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] External harddisk
Since you have taken the disk apart it will now be useless as within the enclosure there could have been a vacuum or an inert gas. You will never be able to recover any data on the disk unless you go and pay for a professional data recovery organisation to read the platters. The price for a replacement 340GByte USB disk is about $25 which would give you a better product than your old disk. Mark -Original Message- From: H Sent: Wednesday, September 30, 2020 4:47 PM To: centos@centos.org Subject: Re: [CentOS] External harddisk On 09/30/2020 05:40 AM, John Pierce wrote: On Tue, Sep 29, 2020, 8:33 AM H wrote: I have an old external harddisk, Toshiba 320 Gb, with a USB connector that I wanted to check for contents. It did not start up when connected and I could not hear the motor spinning. After leaving it in the freezer overnight the motor spins but it is not recognized by my computer. I disassembled it and could see that the head assembly rests outside the disk but when it is powered on, the head first moves to the center of the disk, then to the periphery and finally back to the resting position. This happens every few seconds and leaving it connected overnight changed nothing. That repeated seeking suggests it's not passing its self test, and is constantly retrying. It's probably searching for servo data on the disks, and not finding it. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos I see. I have not searched for any low-level disk utility from Toshiba, the manufacturer of the disk. Do you think that might be worthwhile to hopefully fix this? ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] nmcli: unwanted secondary ip-address
On Tue, 22 Sep 2020, Felix Kölzow wrote: A secondary ip address seems to be automatically added to a nic which causes several issues in our setup. # nmcli con show NAME UUID TYPE DEVICE eno4 dbd95c24-1ed7-4292-8dba-3934bd1476a0 ethernet eno4 6: eno4: mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:26:b9:78:87:d7 brd ff:ff:ff:ff:ff:ff inet 192.168.2.98/24 brd 192.168.2.255 scope global noprefixroute eno4 valid_lft forever preferred_lft forever inet *192.168.137.223/24* brd 192.168.137.255 scope global dynamic eno4 <<- THIS IS UNWANTED valid_lft 604778sec preferred_lft 604778sec inet6 fe80::9257:5654:b211:8dea/64 scope link noprefixroute valid_lft forever preferred_lft forever You failed to show the configuration of eno4's profile in Network Manager (nmcli con show eno4). You can use 'nmcli con edit' (or nmtui) to modify the profile to eliminate the assignment of the unwanted address -- if it is in automatic mode (which seems to be the case) then you may need to fix your DHCP server instead. If there is no chance that Network Manager is assigning the extra address then you will have to hunt around your system for the program or script that is doing so. /mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] storage for mailserver
Hi Michael, With SSD's, no matter what storage technology is used, you pay your money and you take your choice. The more expensive SSD's have higher I/O rates, higher data bandwidth and better durability. I would go for NVMe as this gives a higher data rate with PCIe 3.0 and PCIe 4.0 (twice the data rate) ones are just coming in to the market. I believe that traditional Raid 5 and 6 are not required for SSD's I have configured all my customer SSD subsystems for Raid 1 (mirror), reduced overhead. Cost defines if the above is acceptable. Also, do you use hardware or software Raid 1. There are many other questions but the above is a start. Regards, Mark Woolfson MW Consultancy Ltd Leeds LS18 4LY United Kingdom Tel: +44 113 259 1204 Mob: +44 786 065 2778 -Original Message- From: Michael Schumacher Sent: Wednesday, September 16, 2020 5:11 PM To: CentOS mailing list Subject: [CentOS] storage for mailserver hi, I am planning to replace my old CentOS 6 mail server soon. Most details are quite obvious and do not need to be changed, but the old system was running on spinning discs and this is certainly not the best option for todays mail servers. With spinning discs, HW-RAID6 was the way to go to increase reliability and speed. Today, I get the feeling, that traditional RAID is not the best option for SSDs. I am reading that all RAID members in SSD-arrays age synchronously so that the risk of a massive failure of more than one disk is more likely than with HDDs. There are many other concerns like excessive write load compared to non-raid systems, etc. Is there any common sense what disk layout should be used these days? I have been looking for some kind of master-slave system, where the (one or many) SSD is taking all writes and reads, but the slave HDD runs in parallel as a backup system like in a RAID1 system. Is there any such system? Any thoughts? best regards Michael Schumacher ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 kernel-4.18.0-193 shim issue(SOLVED) at least for me
On 8/14/20 12:23 AM, Mark LaPierre wrote: Hey All, Is it safe to allow the 193 series kernel update now? Last time I tried that my system refused to boot. I had to roll back to the 4.18.0-147 kernel to get my machine to reboot. Since that happened I've been watching this mail list for acknowledgement that the problem has been corrected while refusing the kernel update. I may have missed the announcement that the issue was resolved and the the update is now approved. I ran the update and did the reboot last night. It was too late for me to report the results then. Thank you to the CentOS Team. Y'all are awesome. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 kernel-4.18.0-193 shim issue
On 8/14/20 12:23 AM, Mark LaPierre wrote: Hey All, Is it safe to allow the 193 series kernel update now? Last time I tried that my system refused to boot. I had to roll back to the 4.18.0-147 kernel to get my machine to reboot. Since that happened I've been watching this mail list for acknowledgement that the problem has been corrected while refusing the kernel update. I may have missed the announcement that the issue was resolved and the the update is now approved. Well, I let the kernel up date run. I haven't allowed the machine to reboot yet, but that's going to happen just after I send this. At the moment I'm running 4.18.0-147.8.1.el8_1.x86_64 #1 SMP -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS 8 kernel-4.18.0-193 shim issue
Hey All, Is it safe to allow the 193 series kernel update now? Last time I tried that my system refused to boot. I had to roll back to the 4.18.0-147 kernel to get my machine to reboot. Since that happened I've been watching this mail list for acknowledgement that the problem has been corrected while refusing the kernel update. I may have missed the announcement that the issue was resolved and the the update is now approved. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 8.2.2004 Quick recovery and fix for unbootable machines
On 8/1/20 10:21 PM, Alan McRae via CentOS wrote: This is a quick recovery and fix for the machines rendered unbootable after the grub2/shim yum update. It is written for CentOS 8.2.2004 but similar should work for any CentOS 8 or 7 as long as you get the correct shim file, that is, the one from the latest installation media. I am running on an x86_64 architecture (see uname -i). Please use the correct shim file for your architecture (shim--15-11.el8..rpm) I have tested this by breaking a machine and then recovering it. It works for me. I hope someone finds it useful. Let me know. Regards Alan HOW TO BOOT AN UNBOOTABLE MACHINE = 1) Download a copy of rEFind. This is a UEFI boot manager. Burn it to a USB key. # wget -O refind.zip http://sourceforge.net/projects/refind/files/0.12.0/refind-flashdrive-0.12.0.zip/download # unzip refind.zip # cd refind-flashdrive-0.12.0 # dd if=refind-flashdrive-0.12.0.img bs=4096 of=/dev/sdX (sdX is the device for your USB key, this will be erased, use the whole device use sdX not sdX1) 1800+0 records in 1800+0 records out 7372800 bytes (7.4 MB, 7.0 MiB) copied, 0.980893 s, 7.5 MB/s 2) Turn off secureboot in your UEFI hardware. 3) Boot the USB key. You should get a colourful screen with icons and a filename below. Use the left/right arrow keys to select the correct grubx64.efi. Hit space to boot. Your usual grub menu should appear and the system should boot normally. HOW TO FIX THE PROBLEM = 1) We need to downgrade the shim package. Now your system is running get an older copy of the correct shim package for your architecture from the CentOS installation media (e.g. CentOS-8.2.2004-x86_64-dvd1.iso) and install it. # mount CentOS-8.2.2004-x86_64-dvd1.iso /mnt # cd /mnt/BaseOS/Packages # cp shim-x64-15-11.el8.x86_64.rpm /root # cd /root # umount /mnt OR Get the package from a CentOS mirror: # cd /root # wget http://ucmirror.canterbury.ac.nz/linux/CentOS/8.2.2004/BaseOS/x86_64/os/Packages/shim-x64-15-11.el8.x86_64.rpm 2) We can now reinstall the older shim package using yum. This will downgrade the package to the working version. # yum install shim-x64-15-11.el8.x86_64.rpm Last metadata expiration check: 2:11:11 ago on Sun 02 Aug 2020 11:31:06 NZST. Dependencies resolved. Package Architecture Version Repository Size Downgrading: shim-x64 x86_64 15-11.el8 @commandline 647 k Transaction Summary Downgrade 1 Package Total size: 647 k Is this ok [y/N]: y Downloading Packages: Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Downgrading : shim-x64-15-11.el8.x86_64 1/2 Cleanup : shim-x64-15-13.el8.x86_64 2/2 Verifying : shim-x64-15-11.el8.x86_64 1/2 Verifying : shim-x64-15-13.el8.x86_64 2/2 Installed products updated. Downgraded: shim-x64-15-11.el8.x86_64 Complete! 3) Your system should now boot normally. 4) add "exclude=shim*" to /etc/yum.conf to prevent the broken one being reinstalled. You should now be able to run 'yum update'. Remove the exclude= when a proper fix becomes available. Thank you for your apparently well researched and written article. The only problem I see with it is that it's going to be really hard for a CentOS user with a tanked system to read unless that user has access to some other system where this can be read. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] 8.2.2004 Latest yum update renders machine unbootable
On 7/31/20 11:20 PM, Johnny Hughes wrote: On 7/31/20 11:24 AM, Alessandro Baggi wrote: Il 31/07/20 13:08, ja ha scritto: On Fri, 2020-07-31 at 22:35 +1200, Alan McRae via CentOS wrote: I am running an Intel x64 machine using UEFI to boot an SSD. Installing the latest yum update which includes grub2 and kernel 4.18.0-193.14.2.el8_2.x86_64 renders the machine unbootable, blank screen where grub should be, no error messages, just hangs. After some hours I managed to modify another bootable partition (containing older software) and boot it from there. After that, I found out it is a known problem. The main point of this message is to make people aware of the problem and suggest admins don't run 'yum update' until they understand the problem and have a fix at hand. See 'UEFI boot blank screen post update' for a solution and directions to the redhat article. Regards Alan I have been punished by this bug - it is/was very nasty. Me too. Luckily it happened on a test machine. Sorry but seems that those packages were not tested before pushing them in the update repo. Would be great to know what happened to the mainstream chains and how a package like grub reached the update repo when it has serious problem (genuine curiosity but not to blame them). Of course it was tested before it was pushed. Obviously this is not a problem with every install. Surely you don't think we push items without doing any testing. Certainly not items as important as this update. The CentOS infrastructure has hundreds of servers, most of them were not impacted (as an example). In fact, we seem to have had this happen on only one machine in those hundreds so far. It is a problem, obviously. The issue seems to be with the shim package (not the grub or kernel packages) and we are currently working with Red Hat on a fix. This issue happened in many Linux OSes and even Windows, not just RHEL and CentOS. We will push a fix as soon as one is available. I would hold off on installing this until we release the new fixes. In my case, the restore procedure reported by RH in case of reboot does not work and reports that the packages are already at the lowest version and that the downgrade is not possibile. I don't know why. It tanked my machine. I managed to get it to boot into emergency mode where I eventually got it to boot on an old kernel as shown in the paste below. After getting it to boot I used grubby to set the default kernel to the oldest one on the machine. Surprisingly enough neither of the two most recent kernels would boot even though the machine was running on the second oldest kernel when I ran the update that tanked it. That adds credence to the comment above that the problem was not the new kernel since it trashed both the new kernel and the one before. Both were from the same series. The 147 kernel works but neither of newer ones would. CentOS Linux release 8.2.2004 (Core) enp5s0 IP Address = 192.168.15.131 Linux localhost.localdomain 4.18.0-147.8.1.el8_1.x86_64 #1 SMP Thu Apr 9 13:49:54 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Number of cores = 32 00:55:13 up 8:37, 1 user, load average: 0.31, 0.48, 0.44 amdgpu-pci-0900 Adapter: PCI adapter vddgfx: +0.83 V fan1: 771 RPM (min =0 RPM, max = 3700 RPM) temp1:+45.0°C (crit = +94.0°C, hyst = -273.1°C) power1: 31.07 W (cap = 125.00 W) acpitz-virtual-0 Adapter: Virtual device temp1:+16.8°C (crit = +20.8°C) temp2:+16.8°C (crit = +20.8°C) amdgpu-pci-0400 Adapter: PCI adapter vddgfx: +0.72 V fan1: 768 RPM (min =0 RPM, max = 3700 RPM) temp1:+39.0°C (crit = +94.0°C, hyst = -273.1°C) power1: 30.10 W (cap = 125.00 W) -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Boot Failed After 4.18.0-193.14.2.el8_2.x86_64
Hey All, My CentOS 8 system will not boot into the new kernel that was part of the update this evening. How do I boot the previous kernel? I can't select it on the boot menu. The only choice I can select, other than the new kernel that dies with a kernel panic, is the rescue kernel. If I try to edit the boot command every time I touch the cursor key the cursor jumps 15 characters. What now brown cow? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] HP vs. Brother Printers: Use with Centos/Fedora
On 6/27/20 5:33 PM, Jay Hart wrote: If you had to rate which printer brand works better with Linux (Fedora and Centos), what would it be? TIA, Jay I have an HP Laser Jet Pro M402n connected on my network. I used to work just fine from CentOS 6 but recently no joy. Something broke and I'm not fixing it because CentOS 6 will be EOL soon and I'm in the process changing over all my systems to CentOS 8. From CentOS 8 there's no issues as far a plain paper printing is concerned. When I comes to printing on envelopes I just this evening won a battle with the printer when printing on #6 3/4 envelopes. I resolved the problem by setting the printer to print on C5 envelopes, and LibreOffice Writer to use the same C5 envelope. The C5 envelope is considerably larger that the #6 3/4 envelope. With some tweeking of the location of the address on the document in LibreOffice Writer I got it to print the address on the #6 3/4 envelope in the right place. The M402n does not support the #6 3/4 envelope directly. You have to fiddle with it. If you have to print on envelopes make sure that the printer you buy supports the envelope you want to print on unless you like fiddling. Me, I'm a tuba player, not a fiddle player. YMMV -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adobe digital editions? - part way solved
On 2020-05-27 15:21, Frank Cox wrote: On Wed, 27 May 2020 14:13:34 -0500 Jon Pruente wrote: A major issue is that it's not just reading the file, it's that ADE is needed to even authorize and fulfill the download. Then the possibility of DRM on top of that. While I've never tried it, it's my understanding that you can use calibre to remove the drm encryption on a purchased ebook so you can read it with something like fbreader (which, as far as I know, can't read a drm-encrusted ebook). Calibre is also available as an appimage. https://bintray.com/probono/AppImages/download_file?file_path=Calibre-3.18.0.glibc2.14-x86_64.AppImage Ok. So, I kept searching, and found, on the centosfaq, someone a couple years ago announcing a 32 wine library for C 7. I installed that... and using WINEPREFIX=~/.wine32, I could finally run their setup. Great. !.something, while Adobe has 3, 4.5 and 4.8 Now, I can run the ADE... except I don't remember my password from years ago, and both the "forgot Adobe ID *and* the "forgot password" goes to and Adobe 404 page. I have notified ebooks.com of their need to update the Linux page.... mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adobe digital editions?
On 2020-05-27 11:45, mark wrote:
Found a script for building and installing wine i686.
It failed. I looked at it, and I must be stupid, because...
...
Available Groups:
Cinnamon
Compatibility Libraries
Console Internet Tools
Development Tools
...
yum groupinstall "Development Tools"
Warning: Group development does not have any packages to install.
Maybe run: yum groups mark install (see man yum)
Well, gee, upstream had the answer: ignore the fact that you want to
install a group, it won't work unless you add a whole line full of
options...
-setopt=group_package_types=mandatory,default,optional
You. Do. Not. Break. A. Working. Command, or object. Without. Need.
mark
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Re: [CentOS] Adobe digital editions?
Found a script for building and installing wine i686.
It failed. I looked at it, and I must be stupid, because...
...
Available Groups:
Cinnamon
Compatibility Libraries
Console Internet Tools
Development Tools
...
yum groupinstall "Development Tools"
Warning: Group development does not have any packages to install.
Maybe run: yum groups mark install (see man yum)
mark
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Re: [CentOS] Adobe digital editions?
On 2020-05-27 11:20, Valeri Galtsev wrote: On 5/27/20 10:15 AM, mark wrote: On 2020-05-27 00:23, Frank Cox wrote: On Wed, 27 May 2020 00:05:34 -0400 mark wrote: The one from their website: file setup.exe setup.exe: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive Are you sure you have 32-bit wine and not 64-bit wine since your installer says 80386? Really annoying that reply goes to send, not list by default That was a good catch. And I've tried the ADE installer from a number of sourcese, and ALL of the Adobe installers are - wait for it - 32 bit. Could someone remind me, is this 2010, or 2020? I can remind you: This is Adobe (past year 2000, before they were great, we can thank them for postscript). Does that help? Hi, Valeri, Oh, that's right, silly me, why would *any* company doing business in 2020 have a 64-bit executable? Wonder if there's an 16-bit Oh, and I tried the wineprefix, with 32bit, and that doesn't work, either. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adobe digital editions?
On 2020-05-27 00:23, Frank Cox wrote: On Wed, 27 May 2020 00:05:34 -0400 mark wrote: The one from their website: file setup.exe setup.exe: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive Are you sure you have 32-bit wine and not 64-bit wine since your installer says 80386? Really annoying that reply goes to send, not list by default That was a good catch. And I've tried the ADE installer from a number of sourcese, and ALL of the Adobe installers are - wait for it - 32 bit. Could someone remind me, is this 2010, or 2020? And it looks like I have to build the i686 wine, they don't have a compatibility package. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Adobe digital editions?
I had it installed, running under WINE on CentOS 6. Bought a ebook, it insisted it needed ADE, I d/l from the sellers site... setup.exe won't run. Tried d/l 4.5 and 3 from Adobe, neither installer works, The one from their website: file setup.exe setup.exe: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive Anyone run into this yet? I have books I *bought*, and I want them mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Thunderbird Revision Issues(SOLVED)
On 5/24/20 9:54 PM, Mark LaPierre wrote: On 2020-05-23 11:58, Greg Bailey wrote: On 5/22/20 12:28 PM, Mark LaPierre wrote: Hey all, CentOS 6 has Thunderbird 68.8.0 CentOS 8 has Thunderbird 68.7.0 When I rsync my .thunderbird folder from my CentOS 6 machine to my CentOS 8 machine and start Thunderbird it says: "A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again." I think I encountered the same thing when trying to go from CentOS 7 to CentOS 8. I'm pretty sure I ended up invoking thunderbird manually with the --allow-downgrade option. After it was satisfied with my copied profile, it would then subsequently run OK with a normal invocation (using the desktop icon, etc.) -Greg Thanks Greg, I'm copying a nice clean .thunderbird folder from CentOS 6 to CentOS 8 with rsync in a few minutes, as soon as I'm done playing with my mail here. I'll try your suggestion. I'll let you know what happens. Now why couldn't mozilla put that on their web site to help poor slobs like me. Your suggestion worked perfectly. I'm writing this one on the CentOS 8 machine. Thank you so much for the intelligent reply. Most of what I found on my own said either make a new profile or just keep using the CentOS 6 system, either directly or as a remote desktop. Thanks again. I love it when a plan comes together. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Thunderbird Revision Issues
On 2020-05-23 11:58, Greg Bailey wrote: On 5/22/20 12:28 PM, Mark LaPierre wrote: Hey all, CentOS 6 has Thunderbird 68.8.0 CentOS 8 has Thunderbird 68.7.0 When I rsync my .thunderbird folder from my CentOS 6 machine to my CentOS 8 machine and start Thunderbird it says: "A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again." I think I encountered the same thing when trying to go from CentOS 7 to CentOS 8. I'm pretty sure I ended up invoking thunderbird manually with the --allow-downgrade option. After it was satisfied with my copied profile, it would then subsequently run OK with a normal invocation (using the desktop icon, etc.) -Greg Thanks Greg, I'm copying a nice clean .thunderbird folder from CentOS 6 to CentOS 8 with rsync in a few minutes, as soon as I'm done playing with my mail here. I'll try your suggestion. I'll let you know what happens. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Thunderbird Revision Issues
Hey all, CentOS 6 has Thunderbird 68.8.0 CentOS 8 has Thunderbird 68.7.0 When I rsync my .thunderbird folder from my CentOS 6 machine to my CentOS 8 machine and start Thunderbird it says: "A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again." Needless to say, this is not an acceptable choice. I have several email accounts that would have to be set up. That's not such a big issue, but I have many local folders set up that I can't duplicate on the new installation if I can't use my previous profile. Does anyone know when CentOS 8 will catch up with CentOS 6 so that I can start using my new CentOS 8 box? Perhaps there is another work around. I've tried many of the solution provided on the mozilla web site to no avail. I even tried to install Thunderbird 68.8.0 on my CentOS 8 box. That didn't make it happy either. What now brown cow? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 7 - xfs shrink & expand
Correct, XFS filesystems cannot be shrunk (reduced) dynamically, like ext2/3/4 can, only grown. You need to create another, smaller filesystem (XFS too usually) then copy the existing content which can be done with tools like xfsdump & xfsrestore (iff both are XFS), rsync, pax (spax), or tar, typically while the system is in single user mode so that no changes can occur (and be lost). Which exact steps depend, as usual. If there's nothing on that USB drive you want then you can expand the VG onto it (gdisk, pvcreate then vgextend), make a new, smaller LV (lvcreate) and filesystem (mkfs), copy the content, remove the old LV (lvremove), then move the new LV off the USB array onto your normal storage (pvmove) then remove the USB array from the VG (vgreduce), at which point you should be able to grow (lvextend) your root. /mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Monitoring network traffic to a host
On Tue, 2020-05-12 at 18:44 -0500, Ian Pilcher wrote: > Background - I am having an issue with occassional pauses when > streaming > high-bitrate media across my home network to my smart TV. I > *suspect* > that the root cause is the (incredibly lame) 100 Mbps Ethernet > interface > in the TV. > > In order to confirm that the peak bitrate really does max out the 100 > Mbps connection, I'd like to monitor the communication between my NAS > and the TV. The two devices are on separate VLANs, with routing > performed by a CentOS 7 system, so it should theoretically be > relatively > simple to use an appropriate utility on the "router" to monitor and, > if > possible, graph the network traffic going to the TV. > > Ideally, I could run said utility for the entire time that the media > file is playing and then look at its pretty graph to check if/when > the > bitrate hit 100 Mbps. Being able to watch the pretty graph in real > time > through a web interface would be nice as well, but is not required. > > Is any such program included in CentOS 7 or EPEL 7? > > The closest thing that I've found thus far is iftop (despite its lack > of > pretty). Unfortunately, it won't allow me to see the peak bitrate > over > the whole period in which the media is playing. You'll need a second linux system, but I'd consider using iperf with a client/server setup. Mark > > ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] FAX
Hey All, Has anyone out there figured out how to send a FAX from a computer, sans FAX machine? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Zoom....
On 2020-05-10 01:21, Nicolas Kovacs wrote: Le 10/05/2020 à 01:41, Liam O'Toole a écrit : I recommend installing zoom from flatpak: https://flathub.org/apps/details/us.zoom.Zoom It will pull in the freedesktop runtime, which contains the required libraries. No need to fiddle with LD_PRELOAD and the like. +1 on that. I've just installed Skype from Flatpak on my workstation. Not only does it work out of the box, it also has the advantage of running in a sandbox that's pretty much isolated from the main system. https://blog.microlinux.fr/skype-linux-flatpak/ Ok. I just got rid of the possibly misinstalled flatpak zoom, deleted ~/.zoom, installed zoom via flatpak correctly, it *thinks* it's got my audio... and still no video. Btw, a possibly circa 2005 Logitech QuickCam Express. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] discord: things to do to run it.
Hi, folks,
Installed discord last night, everything, including video worked,
but not voice. As usual, I logged out last night before bed, and voice
seems to work. Used the tgz, of course.
HOWEVER, note that you *do* need to install libatomic for it to work
properly, otherwise when it comes up, it says "the installation is
corrupt", and the only button there, for help, is *ONLY* for Windows.
I found through searching that it did need this. Install that, and
no error message.
mark
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Re: [CentOS] Zoom....
On 2020-05-10 00:01, mark wrote: On 2020-05-09 19:41, Liam O'Toole wrote: On Sat, 09 May, 2020 at 16:02:17 -0400, mark wrote: Hi, folks, Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr old) USB camera, Logitech QuickCam Express. If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. Zoom, with or without the LD_PRELOAD - no video. I've tried stracing zoom, and created a file /etc/ld.so.preload, with the contents of /usr/lib64/libv4l/v4l2convert.so, and in strace, I see it loading it, but still no video. Anyone got any clues? Being a free end user, all zoom offers is the knowledge base I recommend installing zoom from flatpak: https://flathub.org/apps/details/us.zoom.Zoom It will pull in the freedesktop runtime, which contains the required libraries. No need to fiddle with LD_PRELOAD and the like. I'm thoroughly confused. I've yum removed zoom, then copied the flatpak. rep, then flatpak install https://flathub.org/repo/appstream/us.zoom.Zoom.flatpakref,,, and there's no zoom. Flathub's web pages need something... like, somebody to read them and tell them that they don't explain *ANYTHING*. Ok, read a little more, started zoom, and test still gives me no video. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Zoom....
On 2020-05-09 19:41, Liam O'Toole wrote: On Sat, 09 May, 2020 at 16:02:17 -0400, mark wrote: Hi, folks, Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr old) USB camera, Logitech QuickCam Express. If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. Zoom, with or without the LD_PRELOAD - no video. I've tried stracing zoom, and created a file /etc/ld.so.preload, with the contents of /usr/lib64/libv4l/v4l2convert.so, and in strace, I see it loading it, but still no video. Anyone got any clues? Being a free end user, all zoom offers is the knowledge base I recommend installing zoom from flatpak: https://flathub.org/apps/details/us.zoom.Zoom It will pull in the freedesktop runtime, which contains the required libraries. No need to fiddle with LD_PRELOAD and the like. I'm thoroughly confused. I've yum removed zoom, then copied the flatpak. rep, then flatpak install https://flathub.org/repo/appstream/us.zoom.Zoom.flatpakref,,, and there's no zoom. Flathub's web pages need something... like, somebody to read them and tell them that they don't explain *ANYTHING*. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 CD Ripper(SOLVED)
On 2020-04-09 08:15, J. Echter wrote: Am 09.04.20 um 02:39 schrieb Mark LaPierre: Hey all, Does anyone know of a CD ripper that will work with CentOS 8? I've found a great many that will work CentOS 6 and 7 but nothing that will build for CentOS 8. Hi, i'm using k3b for this purpose, also supports cdparanoia. Hope this helps. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos Thank you very much. After a short battle with configuration I got k3b installed a ripping music. VLC does a fine job of playing the ripped files. I'm not as thrilled with Gnome 3 that does not provide an icon in the desktop by which the now ripped CD may be ejected. A brief search of the k3b interface failed to turn up an eject button either.<\RANT> Thanks a lot. I really appreciate the help. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS 7, zoom, and discord... konqueror
Firerox is my default browser, but both zoom and Discord pull up konqueror. Any idea why? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Zoom....
This is even more fun: I was trying to install chrome, maybe that would work. wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm yum localinstall google-chrome-stable_current_x86_64.rpm I try to run chome, and first, it wants a kde wallet, and I hit cancel, never set one up... and google can't work. It won't even go to google. com. Anyone? Will it really not work without the damn wallet? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Zoom....
On 2020-05-09 16:20, Barry Brimer wrote: Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr old) USB camera, Logitech QuickCam Express. (There are zero available newer, that I could get before June.) If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. Zoom, with or without the LD_PRELOAD - no video. I've tried stracing zoom, and created a file /etc/ld.so.preload, with the contents of /usr/lib64/libv4l/v4l2convert.so, and in strace, I see it loading it, but still no video. I assume you're using the Zoom Linux client since you updated Zoom. Thinking out loud .. I wonder what would happen if you: Booted a CentOS 7.6 kernel keeping all else the same It didn't work with 6.x. I rebuilt the beginning of April to CentOS 7. Didn't work, until I got rid of the default gspca_spca561, and used the gspca_spca508. Updated the beginning of this week, and didn't work until I went back to gspca_spca561. Works 100% of the time with cheese, when I add that preload. Booted from a variety of CentOS / Fedora Live CD images to see what kernels do / don't work if it's even kernel related Try using Zoom via Chrome which can do pretty much everything natively without Zoom extension I was really, really trying to avoid installing chrome. Try using Zoom via Chrome with Zoom extension Try using Zoom via Firefox with Zoom extension (Zoom with Firefox without Zoom extension is very limited) Been trying to join a test meeting in firefox, and it opens a new tab, and demands that I use the app. Hope this helps. Thanks for trying I may have to try chrome (really didn't want google scanning what I do to sell it. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Zoom....
Hi, folks, Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr old) USB camera, Logitech QuickCam Express. If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. Zoom, with or without the LD_PRELOAD - no video. I've tried stracing zoom, and created a file /etc/ld.so.preload, with the contents of /usr/lib64/libv4l/v4l2convert.so, and in strace, I see it loading it, but still no video. Anyone got any clues? Being a free end user, all zoom offers is the knowledge base mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Fwd: video problems [SOLVED]
On 2020-05-06 21:31, mark wrote:
Forwarded Message
Subject: video problems
Date: Wed, 6 May 2020 21:24:57 -0400
From: mark
To: CentOS mailing list
I've got an ancient USB videocam (QuickCam Express, yes, 15 years old).
I got it working under C7, after I removed the default loaded
gspca_spca561, and replaced it with the previous driver, gspca_spca508.
It also needed zc3xx.
Then I updated and rebooted my system a couple of days ago, and now no
/dev/video, no errors
Any clues?
mark "other than waiting for a camera to arrive from China
somewhere in June or July?"
Right, I should have added that I even did
mknod /dev/video0 c 81 0
crw-rw-r--. 1 root root 81, 0 May 6 21:07 /dev/video0
But mplayer tells me
v4l2: unable to open '/dev/video0': No such device or address
Huh?
Never mind. Digging through messages, I found the clue: unleaded the
gspcs_spca508 driver, and loaded the newest, the 561, which last release
didn't work, now it does.
I have to assume there was a bug in the previous version of that module.
mark
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[CentOS] Fwd: video problems
Forwarded Message
Subject: video problems
Date: Wed, 6 May 2020 21:24:57 -0400
From: mark
To: CentOS mailing list
I've got an ancient USB videocam (QuickCam Express, yes, 15 years old).
I got it working under C7, after I removed the default loaded
gspca_spca561, and replaced it with the previous driver, gspca_spca508.
It also needed zc3xx.
Then I updated and rebooted my system a couple of days ago, and now no
/dev/video, no errors
Any clues?
mark "other than waiting for a camera to arrive from China somewhere in
June or July?"
Right, I should have added that I even did
mknod /dev/video0 c 81 0
crw-rw-r--. 1 root root 81, 0 May 6 21:07 /dev/video0
But mplayer tells me
v4l2: unable to open '/dev/video0': No such device or address
Huh?
mark
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[CentOS] video problems
I've got an ancient USB videocam (QuickCam Express, yes, 15 years old). I got it working under C7, after I removed the default loaded gspca_spca561, and replaced it with the previous driver, gspca_spca508. It also needed zc3xx. Then I updated and rebooted my system a couple of days ago, and now no /dev/video, no errors Any clues? mark "other than waiting for a camera to arrive from China somewhere in June or July?" ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Odd permissions
I've posted a couple times in the last month, that for some reason, since I rebuilt to CentOS 7 from 6 (same home directory, another partition, of course), when I log out, it restarts with me logged in, and only the second time I log out does it actually log me out. Still debugging that. I have logged in as root, and don't have the problem, so I'm assuming that it's something incompatible, or somehow mis-set in ~/.. Looking in ~/.cache, I found something weird: ~/.cache/gnome-control-center, which had permissions of d-w-rwxr-T Say *what*? Anyone got a clue as to why? And while I'm looking for clues, does anyone have any thoughts as to where my issue might lie? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Netfilter fails to filter traffic from a netblock?
The way I start the firewall is as follows: systemctl enable firewalld systemctl start firewalld systemctl status firewalld Regards, Mark Woolfson MW Consultancy Ltd Leeds LS18 4LY United Kingdom Tel: +44 113 259 1204 Mob: +44 786 065 2778 -Original Message- From: Jeffrey Walton Sent: Sunday, April 19, 2020 2:44 PM To: CentOS mailing list Subject: Re: [CentOS] Netfilter fails to filter traffic from a netblock? On Sun, Apr 19, 2020 at 9:40 AM Mike <1100...@gmail.com> wrote: Thought it might also be helpful to confirm that firewalld is not interfering in any way. what is the output of ~$# systemctl status firewalld Thanks Mike. # systemctl status firewalld Unit firewalld.service could not be found. Jeff ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Asking again: CentOS 7, KDE, logout needed twice
Every single time, no matter if I chose leave->logout from the start
menu, or from ctrl-alt-delete, it does *not* log me out, but restarts
KDE. The second time, doesn't matter which way I go, it *does* log me out.
Anyone got a clue? Googling hasn't found anything
mark
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Re: [CentOS] CentOS 8 NIS
On 2020-04-12 21:49, John Pierce wrote: It appears that they just pasted a new name on an old horse. It's still LDAP. yes, its the standardized LDAP protocol... it is, however, a completely different implementation, so no, its not OpenLDAP, which is a specific implementation. Oh insert Deity here! This is going to take a semester of Computer Science to figure out. dscreate create-template creates a 9K file full of mostly obscure and unintelligible options. This where the hand holding I told you about comes into play. This is what I've got so far: config_version = 2 defaults = 9 The next option is full_machine_name which defaults to localhost.localdomain I need to give this machine a name other than localhost.localdomain. I guess that's my next bit of search engine exercise to learn how to do that without making a giant mess. I remember trying to do this with the last attempt at LDAP a year ago. It wasn't pretty and didn't turn out well. I guess that's my next step for tomorrow. I've got to go to bed if I'm going to be able to stay awake long enough to write any code at work tomorrow. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 NIS
On 2020-04-12 08:13, Jonathan Billings wrote: On Apr 12, 2020, at 05:47, Pete Biggs wrote: There are other options than LDAP, and servers other than OpenLDAP, but LDAP is the de facto standard. Unfortunately, OpenLDAP as a server is deprecated in C8, and isn’t packaged anymore. Upstream they point customers to their directory service, which is based on 389 directory service. Okay, I found https://directory.fedoraproject.org/docs/389ds/download.html. Thank you for the useful reply. It appears that they just pasted a new name on an old horse. It's still LDAP. I'll follow the directions there. At least the directions say they are for CentOS 8.1+ I'll let you know what happens. I hope I don't end up having to reinstall to fix the mess this makes. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 CD Ripper
On 2020-04-09 07:43, Stephen John Smoogen wrote: On Wed, 8 Apr 2020 at 20:40, Mark LaPierre wrote: Hey all, Does anyone know of a CD ripper that will work with CentOS 8? I've found a great many that will work CentOS 6 and 7 but nothing that will build for CentOS 8. Could you give the list of the ones you found that didn't work for 8? And why they didn't work in 8? [Because if it is missing deps then that is one problem.. if it is because of code problems it is another one.] Hey Stephen, I tried asunder and ripperx. configure: error: Package requirements (gtk+-2.0 >= 2.4.0, gthread-2.0 >= 2.4.0, libcddb >= 0.9.5) were not met: -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 8 NIS
On 2020-04-09 05:14, isdtor wrote: Nicolas Kovacs writes: Le 09/04/2020 à 11:05, isdtor a écrit : NIS works fine on CentOS 8. Certainly the client side. But how it's enabled is different, check the manual. authconfig is replaced with authselect. NIS "works fine" in the sense that telnet works fine. :o) It is not our job here to second-guess implementation decisions made by others as only the people concerned are familiar with their environment's restraints and business requirements. Yes, let me validate Mr. Kovacs comment. I am aware of the shortcomings of NIS in the area of security. Let me provide some information on the topography of my network and my reasoning for choosing NIS/NFS. Perhaps an alternative may be suggested to meet my needs without totally confounding me when it comes to configuration. I tried another solution some time ago but failed miserably. Search for "nobody:nobody" in my transactions on this mail list from 2019/04/02. I have a small home network, four CentOS boxes, three running CentOS 6 at the moment. This network is behind an ONT and an Edgerouter. Machine #4 is a newly constructed AMD 16 core with a set of four 2TB HDs that will be configured as a RAID array. I plan to host the home directories of all the users on my network on the array and share them out to the other three machines to be auto-mounted when the user logs in. I did this successfully using NIS/NFS about 20 years ago in a small private grade school network that I built from the scrap heap of old and abandoned machines, and no money, that they had on hand. All the machines on my home network will eventually be running CentOS 8 seeing that CentOS 6 is very near EOL. Being that they will all be running the same flavor of CentOS should make configuration a bit easier. I need a set of tools that is fairly simple to configure, by which I mean has complete and accurate documentation which I can find, and does not present impediments to future system configuration. My hope is to do all the user management on the 16 core that will be hosting the raid. I don't want to have to log onto all the other machines to twiddle bits each time I want to add a new user account. I designed the 16 core with the intent of putting it's non-entertainment/educational clock cycles to work as a Monero miner. I chose Monero because it is specifically resistant to ASIC implementation demanding excellent system CPU and GPU performance and plenty of RAM, 64 Gb in this case. There's no point in trying to mine Bit Coin et al. unless you plan to live for the 1000 years it will take to earn just one. Now that I've bored you to tears, are there any suggestions as to what I should use as a replacement for NIS/NFS for sharing and mounting of /home directories on the other three machines on my network? Consider that you are probably going to end up holding my hand in this endeavor so choose something that you would want to configure and use. Choose wisely Grasshopper. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS 8 NIS
Hey all, Does anyone know where I can get NIS for CentOS 8? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] CentOS 8 CD Ripper
Hey all, Does anyone know of a CD ripper that will work with CentOS 8? I've found a great many that will work CentOS 6 and 7 but nothing that will build for CentOS 8. -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] C7, odd log off issue
Fresh C 7 install, fully updated... but whenever I go to log off, whether with ctl-alt-delete, or from the menu, instead of logging me off, it restart X, with me still logged on. The second time I try, it logs me off. Anyone seen this behavior? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Zoom?
On 2020-04-06 03:57, J Martin Rushton via CentOS wrote: If you have any choice in the matter I would suggest a read of https://en.wikipedia.org/wiki/Zoom_Video_Communications#Criticism before using or installing Zoom. I can argue against zoom, and have, but organizations I belong to or join, like this past weekend's sf con, Heliosphere, are using it. I have a choice of using it, or not attending. Thererore, no choice. mark On 06/04/2020 00:01, Barry Brimer wrote: According to https://support.zoom.us/hc/en-us/articles/214629443-Zoom-web-client#h_2da60ac7-455e-466f-85d1-974aa68f0703 you would be able to join without an extension with sound in chrome but not in firefox. On April 5, 2020 10:34:36 PM UTC, mark wrote: 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 access the system sound. Given that even as I type this, I'm streaming WUMB through its player I have noScript, but I enabled everything (except google-analytics), and no joy. I'd *really* rather use my browser than trust their app mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Zoom?
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 access the system sound. Given that even as I type this, I'm streaming WUMB through its player I have noScript, but I enabled everything (except google-analytics), and no joy. I'd *really* rather use my browser than trust their app mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Mostly better: new C7
On 2020-04-03 16:02, Frank Cox wrote: On Fri, 3 Apr 2020 15:47:13 -0400 mark wrote: Now what am I missing? I don't think there are any. I have Gnome Chess (and gnuchess), rogue, e-uae, stella and vice installed on my computer but I compiled the rpms myself. More googling, and I finally found kpat, at least. Now my c-7 is almost complete, once I find hpijs for my cute (but old) HP laserjet 1018, and working on that. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Mostly better: new C7
Well, I gave up, and reinstalled C7. This time, I realized I needed to
make a software choice before the install, and did so.
My install, yesterday, was a minimal. Silly me, yesterday, after that, I
did a groupinstall of KDE Plasma Workspaces... and it did *NOT* include
all the dependencies to run KDE.
Having installed a KDE desktop, much is better... with one exception: I
can't seem to find any games. I tried yum groupinstall "Games and
Entertainment", which showed when I did group list... and was told it
was empty.
Now what am I missing? I do have epel and rpmfusion, both free and non-free.
mark
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Re: [CentOS] Trying again: KDE fails with a gray screen after login, can't reinstall
On 2020-04-03 11:46, Simon Matter via CentOS wrote: I set for graphical mode, I get the login screen, I change to KDE, and the screen goes black, then after minutes, gray with a cursor, and that's it - I left it overnight, no change. Brand new install (as of yesterday). Missed any "agree to license", and missed choosing software. Manually groupinstalled Installed Environment Groups: KDE Plasma Workspaces Development and Creative Workstation Tried to reinstall: No group named KDE Plasma Workspaces exists I'm assuming I need to install something else, but does anyone have a clue? I really do NOT want gnome. I don't know how the situation is with C8 but I always liked XFCE to get work done. It has less dependencies and is therefore a bit easier to install. Doesn't address my problem. mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
[CentOS] Trying again: KDE fails with a gray screen after login, can't reinstall
I set for graphical mode, I get the login screen, I change to KDE, and
the screen goes black, then after minutes, gray with a cursor, and
that's it - I left it overnight, no change.
Brand new install (as of yesterday). Missed any "agree to license", and
missed choosing software. Manually groupinstalled
Installed Environment Groups:
KDE Plasma Workspaces
Development and Creative Workstation
Tried to reinstall:
No group named KDE Plasma Workspaces exists
I'm assuming I need to install something else, but does anyone have a
clue? I really do NOT want gnome.
mark
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[CentOS] Upgraded to 7.10 from 6...
Let me start out by making clear I *LOATHE* gnome, ok? So I don't want to hear about it. What's happening is this: I did this: yum groupinstall "Development and Creative Workstation" yum groupinstall "KDE Plasma Workspaces" Now, when I go in graphical mode, I try to change to kde on login. Nope - minutes later, I can see a cursor, and a gray screen. Ditto on the "safe mode", and ditto on "gnome classic". What have I missed? mark ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
