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34748 discussions

Delta RPMs (drpms) for CentOS-6 and CentOS-7
by Johnny Hughes 07 Jun '19

07 Jun '19

We are having issues with drpms on CentOS-6 i386 and x86_64 and on CentOS-7 x86_64. The technical issues sometimes cause us to have to rebuild all drpms over again .. and the time involved is very large. Also storing the drpms and moving them around takes up a lot of space and bandwidth. We would like to remove delta rpms (drpms) from our CentOS-6 and CentOS-7 repositories. But before we do , we would like a discussion on these lists to ensure this is not going to cause people major issues. So, begin the discussion, and we will address this again in about a month. And we'll see where it leads. Thanks, Johnny Hughes

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Gnome annoyances
by mark 07 Jun '19

07 Jun '19

How do I disable /usr/libexec/gsd-backlight-helper on a user's WORKSTATION? This is clearly something that should NEVER, EVER be running if it's not a laptop.... mark

2 2

os-prober
by mark 06 Jun '19

06 Jun '19

Semi-OT question: os-prober is in CentOS, but I never see it running. I've got a server that's Ubuntu 18.04, and it seems to be running it every night, which confuses me - I can see no reason for that. Since ubuntu is o/t, feel free to email me offlist - the only thing I've found in some googling is to chmod -x /etc/grub.d/30_os-prober on the ubuntu system. Thanks in advance. mark "the install of ubuntu doesn't even have a man page for it, while CentOS, of course, does...."

1 0

repoview comparable alternative
by Leon Fauster 04 Jun '19

04 Jun '19

It seems that in the context of EL8 the tool RepoView that creates static HTML pages out of a yum repository is obsolet because of the missing yum python modules (EL8 comes with dnf). Further more it seems also be abandoned [*] and I do not expect to appear in EPEL8. Does someone uses a similar tool to generate browseable repo HTML pages? [*] https://bugzilla.redhat.com/show_bug.cgi?id=1675886 -- Thanks, LF

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JavaFX on C7 ?
by Fred Smith 01 Jun '19

01 Jun '19

Hi all! I'm getting: Error: JavaFX runtime components are missing, and are required to run this application for a certain Java app. I'm hoping someone can tell me what bits and pieces I need to install (and maybe where to find them) so I can satisfy that app's appetite without screwing up my system. Thanks in advance! Fred PS: I see openjfx at openjfx.io. I assume that if this version is appropriate for C7, that I need the one containing the jmods, not the SDK? Again, clues will be much appreciated! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ---------------------------- Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary, and his understanding no one can fathom. ----------------------------- Isaiah 40:28 (niv) -----------------------------

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why I can't start centos 7.6 sometimes
by qw 01 Jun '19

01 Jun '19

Hi, I make centos 7.6 usb-disk, via which CentOS 7.6 is installed. But sometimes CentOS 7.6 can't start correctly, and stopped with the following message: led to map dmar1 [ 1.881791] nouveau 0000:01:00.0: disp: conn 01:0130: func 00 lookup failed, What's the problem with CentOS? Thanks! Regards Andrew

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does centos 7.6 support TL-WN725N
by qw 01 Jun '19

01 Jun '19

Hi, Does centos 7.6 support TL-WN725N, which is a wireless adaptor? Thanks! Regards Andrew

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CentOS 7, skype ceased functioning
by soko.tica 30 May '19

30 May '19

Hi, I have been using CentOS 7 on a laptop for a while now (about two years), using skypeforlinux all the time. After today's update, skype ceased to start as a service, as it used to be configured. It fails to start manually, e.g., it does start and is listed as a job, but it doesn't appear visible on the desktop. In the case you know something about it, please let us all know. Regards, [brn@hekuba ~]$ uname -a Linux hekuba.home.lan 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

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safety vulnerability in tablet computer
by Mikhail Utin 30 May '19

30 May '19

We discovered safety hardware vulnerability in Samsung tablet computer model SM-T580 16GB SN: R52M20EG5WR – dangerous overheat of the tablet lithium-ion battery caused by short circuit to flash LED, which caused more likely by failed LED controlling hardware. We believe that similar design have other mobile computerized devices utilizing flash LED for digital camera. The computer in question has been in use for only three weeks. The temperature outside of the case was approximately 55C in open space. The LED was shining while the computer was power down. The battery discharged within approximately one hour. There is high degree of risk of overheating and potential fire and/or explosion related to the technology of lithium-ion batteries. In particular, if the device is packed inside of a luggage. Two Samsung companies in the US have been informed, but have not really proposed an investigation claiming high quality of the company products. We also informed TSA in three separate inquires (one to FAA), American Airlines and UK based The Registry news portal. However, considering that a lot of people in CentOS community use tablets and smartphones we decided to inform about existing risks caused by specific design of the hardware and may be firmware as well. Complete information and documents related to this case are on www.rubos.com<http://www.rubos.com>. Mikhail Utin Rubos, Inc.

1 0

UEFI boot manager sequence problems HP Envy
by Gary Stainburn 30 May '19

30 May '19

Morning all, I have a HP Envy dual boot system (Win8 for serious stuff, i.e. Train Sim and Flight Sim) and Centos 7 for everything else. In the past I've had the occasional problem where an update on the windows side has updated the UEFI boot sequence but using efibootmgr has always fixed it. On Friday I discovered that my HDD was failing so I tried using Clonezilla to move it on to a new SSD of the same size. Unfortunately the clone didn't work, failing half way through my main partition. Thankfully the Windows partitions and boot info cloned across so that side of the system worked. I then wiped all the Linux partitions and did a clean C7 install using the latest ISO, all went well, but when it reboot it went straight into Windows. Using F9 on reboot I chose CentOS Linux and the new system booted. Using efibootmgr I reset the boot sequence and all looked fine (see below). Unfortunately, when I then reboot it reverts to booting Windows. Using F9 to get back into Linux then shows that the boot sequence has reverted. This means that the updated sequence either was not stored properly, or something is resetting it. Legacy support in the BIOS is turned off as it should be, and the boot sequence in the BIOS only has a limited number of options. The sequence in the BIOS is: UEFI Boot Order USB Diskette on Key/USB Hard Drive OS boot Manager (shown in white) Internal CD/DVD ROM Drive USB CD/DVD ROM Drive ! Network Adapter Legacy Boot Order Notebook Hard Drive Internal CD/DVD ROM Drive USB Diskette on Key/USB Hard Drive USB CD/DVD ROM Drive ! Network Adapter If I press <F9> I get the same options as in efibootmgr but the first option "Windows Boot Manager" is selected. [root@gary ~]# efibootmgr BootCurrent: 0004 Timeout: 0 seconds BootOrder: 0002,3002,0000,0003,0004,0005,2001,2002,2003 Boot0000* Linux Boot0002* Windows Boot Manager Boot0003* Fedora Boot0004* CentOS Linux Boot0005* CentOS Boot2001* USB Drive (UEFI) Boot2002* Internal CD/DVD ROM Drive (UEFI) Boot3000* Internal Hard Disk or Solid State Disk Boot3002* Internal Hard Disk or Solid State Disk Boot3004* Internal Hard Disk or Solid State Disk [root@gary ~]# efibootmgr -o 0004,2001,2002,3000 BootCurrent: 0004 Timeout: 0 seconds BootOrder: 0004,2001,2002,3000 Boot0000* Linux Boot0002* Windows Boot Manager Boot0003* Fedora Boot0004* CentOS Linux Boot0005* CentOS Boot2001* USB Drive (UEFI) Boot2002* Internal CD/DVD ROM Drive (UEFI) Boot3000* Internal Hard Disk or Solid State Disk Boot3002* Internal Hard Disk or Solid State Disk Boot3004* Internal Hard Disk or Solid State Disk [root@gary ~]# efibootmgr BootCurrent: 0004 Timeout: 0 seconds BootOrder: 0004,2001,2002,3000 Boot0000* Linux Boot0002* Windows Boot Manager Boot0003* Fedora Boot0004* CentOS Linux Boot0005* CentOS Boot2001* USB Drive (UEFI) Boot2002* Internal CD/DVD ROM Drive (UEFI) Boot3000* Internal Hard Disk or Solid State Disk Boot3002* Internal Hard Disk or Solid State Disk Boot3004* Internal Hard Disk or Solid State Disk [root@gary ~]#

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