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34748 discussions

No IrDA Support with CentOS anymore?
by andreas.reschke＠mahle.com 30 Oct '19

30 Oct '19

Hi there, I've a laptop with CentOS 8 and a PC with CentOS 7. After 3 years of break I was Scuba Diving last 3 weeks. Back at home I wish to download all dive logs from my divecomputer connext via IrDA to my PC. But no kernel modul for IrDA was found. [root@rechner1 ~]# modprobe ircomm modprobe: FATAL: Module ircomm not found in directory /lib/modules/4.18.0-147.6.el8.x86_64 [root@rechner1 ~]# modprobe ircomm_tty modprobe: FATAL: Module ircomm_tty not found in directory /lib/modules/4.18.0-147.6.el8.x86_64 [root@destn40768 ~]# [root@rechner1 ~]# lsusb | grep -i irda Bus 002 Device 011: ID 9710:7780 MosChip Semiconductor MCS7780 4Mbps Fast IrDA Adapter [root@rechner1 ~]# Same with CentOS7 How do I get IrDA support? Mit freundlichen Grüßen / Kind regards Andreas Reschke MAHLE International GmbH Unix/Linux-Administration (FIE4.1) Pragstr. 26 - 46, 70376 Stuttgart, Germany Phone: +49 711 501-475 98 Mobile: +49 173 3197397 andreas.reschke(a)mahle.com, https://www.mahle.com MAHLE International GmbH, Location: Stuttgart, Registered: Amtsgericht Stuttgart HRB 16413 Management Board: Dr. Jörg Stratmann, Michael Frick, Michael Glowatzki, Martin Wellhöffer

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Security Policies
by JEFFREY MC DANIELS 29 Oct '19

29 Oct '19

Hello, I just started working with CentOS and I want to say it's a great OS. The only issue is that I no longer see the lists of Security polices during the installation and I would like to know how to install them in Centos 8

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NFS shutdown issue
by Darby Vicker 29 Oct '19

29 Oct '19

Hi all, I have an odd interaction on a CentOS 7 file server. The basic setup is a minimal 7.x install. I have 4 internal drives (/dev/sd[a-d]) configured in a RAID5 and mounted locally on /data. This is exported via NFS to ~12 workstations which use the exported file systems for /home. I have an external drive connected via USB (/dev/sde) and mounted on /rsnapshot. I use rsnapshot to back up the RAID5 to the external drive periodically. I also export /rsnapshot (read only) to the workstations so users can grab a backup copy of /home data if needed. These two mounts (/data and /rsnapshot) should be independent of each other. However, a couple of times now I've had somebody accidentally unplug my backup drive (sde), which causes NFS to shut down. Here are the messages entries when this happens. Oct 28 16:34:12 linux-fs01 kernel: xhci_hcd 0000:00:14.0: Cannot set link state. Oct 28 16:34:12 linux-fs01 kernel: usb usb4-port2: cannot disable (err = -32) Oct 28 16:34:12 linux-fs01 kernel: usb 4-2: USB disconnect, device number 2 Oct 28 16:34:17 linux-fs01 systemd: Stopping NFS server and services... Oct 28 16:34:17 linux-fs01 systemd: Stopped NFS server and services. Oct 28 16:34:17 linux-fs01 systemd: Stopping NFSv4 ID-name mapping service... Oct 28 16:34:17 linux-fs01 systemd: Stopping NFS Mount Daemon... Oct 28 16:34:17 linux-fs01 systemd: Stopped NFSv4 ID-name mapping service. Oct 28 16:34:17 linux-fs01 rpc.mountd[10570]: Caught signal 15, un-registering and exiting. Oct 28 16:34:17 linux-fs01 systemd: Stopped NFS Mount Daemon. Oct 28 16:34:17 linux-fs01 systemd: Stopped target Local File Systems. Oct 28 16:34:17 linux-fs01 systemd: Unmounting /rsnapshot... Oct 28 16:34:17 linux-fs01 kernel: XFS (sde1): Unmounting Filesystem Oct 28 16:34:19 linux-fs01 kernel: XFS (sde1): metadata I/O error: block 0x2800ccac8 ("xlog_iodone") error 5 numblks 64 Oct 28 16:34:19 linux-fs01 kernel: XFS (sde1): xfs_do_force_shutdown(0x2) called from line 1221 of file fs/xfs/xfs_log.c. Return address = 0xffffffffc06cec30 Oct 28 16:34:19 linux-fs01 kernel: XFS (sde1): Log I/O Error Detected. Shutting down filesystem Oct 28 16:34:19 linux-fs01 kernel: XFS (sde1): Please umount the filesystem and rectify the problem(s) Oct 28 16:34:19 linux-fs01 kernel: XFS (sde1): Unable to update superblock counters. Freespace may not be correct on next mount. Oct 28 16:34:20 linux-fs01 systemd: Unmounted /rsnapshot. Oct 28 16:34:20 linux-fs01 kernel: nfsd: last server has exited, flushing export cache Should it be expected that NFS stops when one of the exports is unmounted? I don't think so. Below is some more info on the setup. Getting another eye on this would be much appreciated. Darby /etc/fstab entries /dev/md/Storage /data xfs defaults 0 0 LABEL=rsnapshot /rsnapshot xfs defaults 0 0 /etc/exports /data 10.0.223.0/22(rw,async,no_root_squash) /rsnapshot 10.0.223.0/22(ro,sync,no_root_squash) mdrad info [root@linux-fs01 ~]# cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md125 : active raid5 sda[3] sdb[2] sdc[1] sdd[0] 134217728 blocks super external:/md127/0 level 5, 64k chunk, algorithm 0 [4/4] [UUUU] md126 : active raid5 sda[3] sdb[2] sdc[1] sdd[0] 5440012288 blocks super external:/md127/1 level 5, 64k chunk, algorithm 0 [4/4] [UUUU] md127 : inactive sda[3](S) sdb[2](S) sdd[1](S) sdc[0](S) 20804 blocks super external:imsm unused devices: <none> [root@linux-fs01 ~]# mdadm -D /dev/md/System /dev/md/System: Container : /dev/md/imsm0, member 0 Raid Level : raid5 Array Size : 134217728 (128.00 GiB 137.44 GB) Used Dev Size : 44739328 (42.67 GiB 45.81 GB) Raid Devices : 4 Total Devices : 4 State : clean Active Devices : 4 Working Devices : 4 Failed Devices : 0 Spare Devices : 0 Layout : left-asymmetric Chunk Size : 64K Consistency Policy : resync UUID : b359c1f9:04655baa:52b3ed0c:5aa3c9b6 Number Major Minor RaidDevice State 3 8 0 0 active sync /dev/sda 2 8 16 1 active sync /dev/sdb 1 8 32 2 active sync /dev/sdc 0 8 48 3 active sync /dev/sdd [root@linux-fs01 ~]#

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EasyConnect VPN for Linux
by H 29 Oct '19

29 Oct '19

Does anyone have experience with EasyConnect VPN for Linux/Android etc.? I have been asked to install it on my CentOS 7 system to access a website in China.

1 0

CentOS 8 apcupsd or nut and duplicity
by Ian P. 28 Oct '19

28 Oct '19

Hello Again, Is there any update on nut or apcupsd for CentOS 8? Also, I noticed that duplicity is not currently available for CentOS 8. I got the Fedora 30 SRPM for duplicity to build on CentOS, but ran into a dependency issue and cannot find python-devel. Any suggestions on alternatives or how to get duplicity going on CentOS 8? Cheers, Ian P.

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Centos 8 Mate?
by Frank Cox 28 Oct '19

28 Oct '19

Without wanting to sound too pushy, I'm wondering if there is any update on the status of Mate now that Centos 8 has been released? I would love to jump on C8 and start playing with it, but the lack of Mate is kind of a showstopper for me at the moment. -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

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Re: [CentOS] ls permissions format changed in CentOS 8
by Stephen John Smoogen 28 Oct '19

28 Oct '19

On Fri, 25 Oct 2019 at 20:14, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > > Found it. It happens from the process buffer inside Lugaru Epsilon. I think > ls thinks it's doing a DIRED output instead of a shell output. Now I need > to figure out why it thinks that. This wasn't happening in CentOS 7. > Lugaru Epsilon? I think you need to give a lot more explanation on what is going on because I (at least) have no idea how you are using a non-shipped text editor . Usually if a tool is not giving similar results... I usually start by setting up a new account and unset all SHELL variables in said account. I then see if the problem occurs. If it doesn't, I make changes one by one from the other shells variables to see if it does. [Well I probably do the Wise Old Owl from the tootsy pop commercial.. once I hit three I start moving files until I get it.. sometimes it turns out that it is some weird config setting I didn't know in a file I didn't think would affect things.] I am going to expect that TERM=DUMB might be the problem.. but not sure. > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos -- Stephen J Smoogen.

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HW update. Fedora 30 to Centos?
by Dave Pawson 26 Oct '19

26 Oct '19

Due hardware update. Many years on Fedora, would like to swap out to AMD motherboard( x570) and graphics (RX480) I'm led to believe that Fedora Linux is too 'new' for Centos. Question for those with experience of both, what will I miss on Centos wrt Fedora? Not all that bothered about being 'up to the minute', and after 20+ Fedora installs it does get to be a drag... Has anyone here any 'real' drawbacks please? I'm not a power user, not a games player, just fancy a change to AMD hardware regards -- Dave Pawson XSLT XSL-FO FAQ. Docbook FAQ.

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Bug 1671147 - RHEL 8 Cockpit - "Launch Remote Viewer" in Virtual Machines section does not work remotely
by Tom Bishop 26 Oct '19

26 Oct '19

Can someone that has RHEL developer access look up the details of this bug, bug 1671147 https://bugzilla.redhat.com/show_bug.cgi?id=1671147 was closed as duplicate to this bug - https://bugzilla.redhat.com/show_bug.cgi?id=1558219 however when you try to access the details it states: "You are not authorized to access bug #1558219. Most likely the bug has been restricted for internal development processes and we cannot grant access. If you are a Red Hat customer with an active subscription, please visit the Red Hat Customer Portal <https://access.redhat.com/> for assistance with your issue If you are a Fedora Project user and require assistance, please consider using one of the mailing lists <https://fedoraproject.org/wiki/Communicate> we host for the Fedora Project." Currently from a fresh install of Centos 8, trying to lauch the remote viewer does not connect and display the remote VM, just trying to figure out what I need to do in order to get it working. Thanks :)

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CentOS 8 and DELL 7540 Intel AX200 WIFI
by David Summers 26 Oct '19

26 Oct '19

Hello all, I recently bought a brand new Dell Precision 7540 laptop. Before buying I checked the specifications from the RedHat hardware list and they said that it was "fully RedHat 8 Certified" and listed all the hardware that was "certified" to work with that laptop. https://access.redhat.com/ecosystem/hardware/3979771 I have had good results the last few years with Dell and CentOS, all the equipment has worked fine. However, this time, I got the laptop, installed CentOS 8, and the built-in ethernet port works fine but the Intel AX200 Wifi is not recognized and doesn't show up, so I can't use WiFi, but everything else seems to be working fine. I verified that it *does* work under Windows 10, so the hardware is there and works fine, it just is not recognized and configured under CentOS 8. I called Dell Tech Support and they said "since you didn't buy RedHat 8 from us then we can't help you". Is this just a temporary problem that an update will soon solve or is this something that needs to be brought to the attention of RedHat? Should I file a bug report with bugzilla.redhat.com or is there something I'm not doing or need to do correctly to get it to work? Or is there some package I'm missing that will enable it? I was a bit flabergasted because I've gone for so many years without having to do anything special, it all "Just Works (TM)" on my previous computers. For technical details, here is what I get when I run "lspci -nn": 00:00.0 Host bridge [0600]: Intel Corporation Device [8086:3e20] (rev 0d) 00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) [8086:1901] (rev 0d) 00:04.0 Signal processing controller [1180]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903] (rev 0d) 00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [8086:1911] 00:12.0 Signal processing controller [1180]: Intel Corporation Cannon Lake PCH Thermal Controller [8086:a379] (rev 10) 00:14.0 USB controller [0c03]: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller [8086:a36d] (rev 10) 00:14.2 RAM memory [0500]: Intel Corporation Cannon Lake PCH Shared SRAM [8086:a36f] (rev 10) 00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 [8086:a368] (rev 10) 00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 [8086:a369] (rev 10) 00:17.0 SATA controller [0106]: Intel Corporation Cannon Lake Mobile PCH SATA AHCI Controller [8086:a353] (rev 10) 00:1b.0 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port #17 [8086:a340] (rev f0) 00:1b.4 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port #21 [8086:a32c] (rev f0) 00:1c.0 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port #1 [8086:a338] (rev f0) 00:1c.5 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port #6 [8086:a33d] (rev f0) 00:1c.6 PCI bridge [0604]: Intel Corporation Cannon Lake PCH PCI Express Root Port #7 [8086:a33e] (rev f0) 00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:a30e] (rev 10) 00:1f.3 Audio device [0403]: Intel Corporation Cannon Lake PCH cAVS [8086:a348] (rev 10) 00:1f.4 SMBus [0c05]: Intel Corporation Cannon Lake PCH SMBus Controller [8086:a323] (rev 10) 00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller [8086:a324] (rev 10) 00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (7) I219-LM [8086:15bb] (rev 10) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:1f36] (rev a1) 01:00.1 Audio device [0403]: NVIDIA Corporation TU106 High Definition Audio Controller [10de:10f9] (rev a1) 01:00.2 USB controller [0c03]: NVIDIA Corporation TU106 USB 3.1 Host Controller [10de:1ada] (rev a1) 01:00.3 Serial bus controller [0c80]: NVIDIA Corporation TU106 USB Type-C Port Policy Controller [10de:1adb] (rev a1) 02:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981 [144d:a808] 03:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981 [144d:a808] 04:00.0 PCI bridge [0604]: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] [8086:15ea] (rev 06) 05:00.0 PCI bridge [0604]: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] [8086:15ea] (rev 06) 05:01.0 PCI bridge [0604]: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] [8086:15ea] (rev 06) 05:02.0 PCI bridge [0604]: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] [8086:15ea] (rev 06) 05:04.0 PCI bridge [0604]: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] [8086:15ea] (rev 06) 06:00.0 System peripheral [0880]: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan Ridge 4C 2018] [8086:15eb] (rev 06) 3a:00.0 USB controller [0c03]: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 4C 2018] [8086:15ec] (rev 06) 6f:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5260] (rev 01) 70:00.0 Network controller [0280]: Intel Corporation Device [8086:2723] (rev 1a) I believe the Intel AX200 Wifi card is the device 8086:2723 (rev1a) entry. Is there something I can do to enable it or is this a bug I need to file with RedHat? - Thanks in Advance - David Summers

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