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CentOS-announce Digest, Vol 198, Issue 2
by centos-announce-request＠centos.org 17 Sep '21

17 Sep '21

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2021:3498 Important CentOS 7 firefox Security Update (Johnny Hughes) 2. CESA-2021:3494 Important CentOS 7 thunderbird Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 16 Sep 2021 13:39:10 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:3498 Important CentOS 7 firefox Security Update Message-ID: <20210916133910.GA28772(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:3498 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:3498 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 4612dc1b815321d8acda2baafa9107d32d2e88453f1c98a341c59936db87f826 firefox-78.14.0-1.el7.centos.i686.rpm 2a94cd35eaf2c096188c8f30e38bb1ae656122294b6b2f692f185e9533bf7f02 firefox-78.14.0-1.el7.centos.x86_64.rpm Source: 1b67eb61bf90f5bbe27b53c44458b1b9d071ce838d11828082ce2000c7e45ecd firefox-78.14.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Thu, 16 Sep 2021 13:40:11 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2021:3494 Important CentOS 7 thunderbird Security Update Message-ID: <20210916134011.GA28899(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2021:3494 Important Upstream details at : https://access.redhat.com/errata/RHSA-2021:3494 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 6576a71997c6b88e455bd9405164a03375ea03ef6dfbfc8c070d29e8de1f5324 thunderbird-78.14.0-1.el7.centos.x86_64.rpm Source: a665cfdccc33a1c6f201f2415c355de3304c5d27dadafae35c6024b1aef78d3d thunderbird-78.14.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 198, Issue 2 ***********************************************

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Connecting an android tablet to CentOS
by mark 16 Sep '21

16 Sep '21

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

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Find out which process consumed Network bandwidth
by Kaushal Shriyan 14 Sep '21

14 Sep '21

Hi, I am running CentOS Linux release 7.9.2009 (Core). Is there a way to find out which process consumed network bandwidth during a specific time period? For example, the Nginx process consumed how much network traffic on Sept 01, 2021. Best Regards, Kaushal

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How to keep audio active?
by hw 13 Sep '21

13 Sep '21

Hi, how can I keep audio active --- or at least make it come back right away --- after there was no audio for a few seconds? It takes some seconds for the audio to come back, like when a movie was paused and playback is being resumed. I either have to scroll back or miss out on the audio, and that's totally annoying. It also means that I can't hear any notifications because the notification has finished playing long before the audio is back. I tried options snd-hda-intel power_save=0 pm_blacklist=1 power_save_controller=0 in /etc/modprobe.d/snd_hda_intel.conf, and it didn't change anything. Audio comes from an NVIDIA card connected to a display port. Disabling power management of the audio controller on the card didn't help, either. All applications playing audio are affected.

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GNOME UI / gnome-shell broken
by Felix Natter 11 Sep '21

11 Sep '21

hello CentOS7 users, I have an up-to-date Scientific Linux 7 (_very_ similar to CentOS7). The problem is that if one user (we have central homes) logs into any machine, we only see a desktop with icons, but no window decorations or top/bottom bars ("panels") (for both gnome-classic and gnome3). I can fix the window decorations by running "metacity --replace", but the other problem remains. I tried to remove .gnome, .gnome2, .gconf, .metacity, .cache, .dbus, .dmrc. I noticed that when starting "gnome-shell --replace" from a terminal, I get "Failed to migrate monitor configuration for ... Empty Configuration", and when running gnome-control-center, the option "Displays" shows "Could not get screen information" and the console shows: 'Name "org.gnome.Mutter.DisplayConfig" does not exist'. This happens both when logging in physically and when logging in virtually using VNC. How can I fix this? Do I need to reset more of GNOME's config? Many Thanks and Best Regards! Felix -- Felix Natter

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Re: [CentOS] Troubles expanding file system. - Solved
by Jeff Boyce 09 Sep '21

09 Sep '21

To follow-up and provide a conclusion to my issue, in case anyone else runs into a similar situation. TLDR - go to bottom and read item #7. To recap the issue: I have a Dell PowerEdge server with a CentOS KVM host (Earth) with one CentOS guest (Sequoia) that I am trying to expand the partition and filesystem on. I have LVM logical volumes on the host system (Earth), which are used as devices/partitions on the guest system (Sequoia). In this particular situation I have successfully extended the logical volume (lv_SeqEco) on Earth from 500GB to 700GB. 1. Checking the disk information (lsblk) on Earth shows that the logical volume (lv_SeqEco) is now listed as 700GB. 2. Checking disk information (lsblk) on Sequoia shows that the disk /dev/vde is still listed as 500GB, and partition /dev/vde1 where the mount point /ecosystem is located is also listed as 500GB. 3. I had tried using the resize2fs command to expand the filesystem on /dev/vde1, but it returned with the result that there was nothing to do. Which makes sense now after I checked the disk information, since /dev/vde on Sequoia has not increased from 500GB to 700GB. 4. On previous occasions when I have done this task, I would just start GParted on Sequoia and use the GUI to expand the partition and filesystem. I am unable to do this now, as the VGA adapter on my server has died and I have no graphical output to the attached monitor. 5. My goal was to not have to not have to reboot the system. Especially since it is a 10-year old server and there is no longer VGA output to view the boot process. What I tried, and what worked to solve my issue: 1. First, I tried rescannning the device on the guest: echo 1 > /sys/devices/pci0000:00/0000:00:01.1/host1/target1:0:0/1:0:0:0/rescan This resulted in no output, and checking lsblk on the guest (Sequoia) showed no change: vde 500GB disk vde1 500GB part /ecosystem 2. Second, I tried using "virsh blockresize" from the host (Earth) system. Get the block size information earth# virsh domblkinfo SequoiaVM vde output: vde capacity 751619276800 Resize the block (express the size in Bytes) earth# virsh blockresize SequioaVM vde 751619276800B output: Block device vde is resized. Check the block device on the guest to confirm. sequoia# lsblk vde 700GB disk vde1 500GB part /ecosystem Therefore, virsh blockresize was successful. 3. I now have the larger disk recognized on the guest system, but still need to expand the partition and the filesystem. Tried the following options. resize2fs -p /dev/vde1 output: filesystem is already xx blocks long, nothing to do. growpart /dev/vde 1 output: This showed output indicating the partition had changed changed: partition=1 start=63 old: size=1048575937 end=1048576000 new: size=1468003572 end=1468003635 However, checking lsblk on the guest still showed the same result vde 700GB disk vde1 500GB part /ecosystem On the off chance that growpart was successful, I ran resize2fs again and it produced the same result as above. partprobe output: failed to re-read the partition table on all attached devices (including /dev/vde1); device or resource busy. Tried using "parted" and its resize command. First, using the print command to get the parameters of /dev/vde (output: end=751617861119B, size=751617828864B). Then changing parted to select (use) /dev/vde1 and used print command to view parameters of /dev/vde1 (output: end=536870879743B, size=536870879744B). (parted)# resize 1 0 751617861119 output: The location 751617861119 is outside of the device /dev/vde1 Looked at using fdisk; however, the documentation stated that the only way to change the partition size using fdisk is by deleting it and recreating it. I didn't want to do this. I finally decided that everything indicated that I would not be able to complete this while the system was online and/or mounted, despite all my research information showing that. 4. Unmounted the filesystem of the guest and run partprobe. sequoia# service smb stop sequoia# umount /ecosystem sequoia# partprobe output: This produced the same warnings as before (failed to re-read the partition, device busy) for all partitions that were still mounted, but did not produce the warning for partition /dev/vde1 that had been unmounted. sequoia# lsblk vde 700GB disk vde1 700GB part /ecosystem Success. The new partition is now recognized in the kernel, and I should now be able to resize the filesystem. 5. Run resize2fs sequoia# resize2fs -p /dev/vde1 output: please run e2fsck -f /dev/vde1 first sequoia# e2fsck -f -C 0 /dev/vde1 (-C 0 will display the progress) output: system passed all checks. sequoia# resize2fs -p /dev/vde1 output: resizing the filesystem on /dev/vde1 to 183500446 (4k) blocks, begin Pass 1, extending inode table, filesystem is now 183500446 blocks long. 6. Remount the filesystem and check the filesystem size. sequoia# mount /dev/vde1 /ecosystem sequoia# service smb start sequoia# df -h filesystem=/dev/vde1 size=689G used=459G available=196G used%=71% mount=/ecosystem 7. So in conclusion I needed to do the following steps to resize and expand my disk without a reboot. There may still be other ways that this can be accomplished, but this worked for my CentOS 6 system (both host and guest). a. On the host system, lvextend to expand the logical volume used by the guest as it's disk. b. On the host system, virsh blockresize to get the guest system to recognize the expanded disk space. c. On the guest system, growpart to grow the partition to the expanded space. d. On the guest system, unmount the filesystem (stop services as required). e. On the guest system, partprobe to get the kernel to recognize the expanded partition. f. On the guest system, resize2fs (run filesystem check if required) to expand the filesystem. Thanks to all that provided suggestions and insight, it was very helpful in my research and methodical stepping through this process. Jeff

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Mirror problem
by isdtor 05 Sep '21

05 Sep '21

Updating my local mirror, I noticed x86_64/Packages/exiv2-0.27.0-4.el7_8.src.rpm x86_64/Packages/firefox-78.13.0-2.el7.centos.src.rpm x86_64/Packages/thunderbird-78.13.0-1.el7.centos.src.rpm which seem have been pushed into the wrong repo by accident. Confirmed by checking another random mirror in the US from https://www.centos.org/download/mirrors/.

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lvm2 2.03.12-6 CentOS Stream broke
by Andy Hall 05 Sep '21

05 Sep '21

hi there since updating my system to include the following package... # rpm -qi lvm2 Name : lvm2 Epoch : 8 Version : 2.03.12 Release : 6.el8 Architecture: x86_64 <snip> Build Date : Thu 12 Aug 2021 06:06:53 BST Build Host : x86-01.mbox.centos.org ...all LV commands just hang (pvdisplay / vgdisplay / lvdisplay / etc) which in turn is stopping dracut from generating the initramfs for the new kernel from the same update... 71464 pts/4 S+ 0:00 | \_ /bin/bash -p /bin/dracut -f /boot/initramfs-4.18.0-338.el8.x86_64.img 4.18.0-338.el8.x86_64 71483 pts/4 S+ 0:00 | \_ /bin/cat 71601 pts/4 S+ 0:00 | \_ /bin/bash -p /bin/dracut -f /boot/initramfs-4.18.0-338.el8.x86_64.img 4.18.0-338.el8.x86_64 71602 pts/4 D+ 0:00 | \_ lvm vgs --noheadings -o pv_name cs_ctream ( see dracut running the lvm vgs command...which never returns...so dracut nevern completes...so I can't boot into the new kernel ) any ideas on this one ? is it a known issue ? or is there anything else I can do to troubleshoot further ? thanks very much.

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dcfldd
by Jerry Geis 03 Sep '21

03 Sep '21

Hi all I did a "yum install dcfldd" on Centos7. I plugged in my USB HUb, plugged in 3 disks I want to duplicate Verified each disk plugged in run the command dcfldd if=myimg.img of=/dev/sdd of=/dev/sde of=/dev/sdf No errors no nothing, Said "writing" the whole time - when done it said 8248Mb Written But the image was not actually written to the three disks. It still just has a single partition - the default partition. Am I doing something wrong ? Thanks, Jerry

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Re: [CentOS] Troubles expanding file system.
by Jeff Boyce 03 Sep '21

03 Sep '21

I realized I was still on receiving the daily digest format last night, so I have probably screwed up the threading on this now. If you cc me directly maybe I can maintain the future threading. Ok, looking at Parted it looks like the resize (or resizepart) command will be what I will need. But that doesn't appear to help recognize the expanded disk, so I think I need something before that. That is what I thought the echo 1 > rescan would do for me. I will look more into fdisk to understand the capabilities there. I am going to take advantage of the holiday weekend in a few days to take care of this so I am trying to understand all of the options available to me before diving into the task. In response to Gordon also, I did rescan the drive as suggested and got the same results; no such file or directory. So then I did a search for the rescan file to see where it was present. Found it in a few locations, but this one looks to be the one that I would want to try. /sys/devices/pci0000:00/0000:00:01.1/host1/target1:0:0/1:0:0:0/ The rescan file was also located in just: /sys/bus/pci but don't know if that would do the job for the specific device. Thanks for everyone's input. Very helpful. More suggestions are welcome while I am still reading up on options. Jeff Date: Wed, 1 Sep 2021 13:15:37 -0400 From: Stephen John Smoogen<smooge(a)gmail.com> To: CentOS mailing list<centos(a)centos.org> Subject: Re: [CentOS] Troubles expanding file system. Message-ID: <CANnLRdhhRkMagTcZ+eqALoteYcXD26nMrHzv7L9F1A35jGS=3g(a)mail.gmail.com> Content-Type: text/plain; charset="UTF-8" On Wed, 1 Sept 2021 at 12:42, Jeff Boyce<jboyce(a)meridianenv.com> wrote: > Greetings - > > I have tried posting this four times now, from two different email > addresses (on the 25th, 27th, 30th, and 31st) and it never appeared. I > don't see it in the archives, so it appears to be getting dropped in > transition for some reason. I am not getting messages from the email > system saying it is undeliverable, or is bounced; I am sending as plain > text, not HTML, I stripped off my signature. If this makes it through, > someone please give me a clue why the others might not have. But that > is not as important as the real issue that I am trying to get addressed > below. Thanks for any assistance. > > I have a Dell PowerEdge server with a CentOS KVM host (Earth) with > one CentOS guest (Sequoia) that I am trying to expand the partition and > filesystem on. I have LVM logical volumes on the host system (Earth), > which are used as devices/partitions on the guest system (Sequoia). In > this particular situation I have successfully extended the logical > volume (lv_SeqEco) on Earth from 500GB to 700GB. > > 1. Checking the disk information (lsblk) on Earth shows that the > logical volume (lv_SeqEco) is now listed as 700GB. > > 2. Checking disk information (lsblk) on Sequoia shows that the disk > /dev/vde is still listed as 500GB, and partition /dev/vde1 where the > mount point /ecosystem is located is also listed as 500GB. > > 3. I had tried using the resize2fs command to expand the filesystem on > /dev/vde1, but it returned with the result that there was nothing to > do. Which makes sense now after I checked the disk information, since > /dev/vde on Sequoia has not increased from 500GB to 700GB. > Thanks for the long list of items of what you have done. In Fedora Infrastructure, we used this method to resize images in the past https://pagure.io/infra-docs/blob/main/f/docs/sysadmin-guide/sops/guestdisk… The guest system usually needs to have the `fdisk` , `gdisk` or `parted` commands rerun to resize the disk to its new size. > 4. On previous occasions when I have done this task, I would just start > GParted on Sequoia and use the GUI to expand the partition and > filesystem. A real quick and simple solution. > > 5. The problem I have now is that the VGA adapter on my server has died > and I have no graphical output to the attached monitor, nor to the iDrac > console display. So I am stuck doing this entirely by the command line > while logged into the system remotely. > > 6. I suspect that I need to rescan the devices on Sequoia so that it > recognizes the increased space that has been allocated from the extended > the logical volume. But when I did that (command below) it came back > with a no such file or directory. > > echo 1 > /sys/class/block/vde1/device/rescan > Not sure that would do anything. > 7. This server is being retired in the next few months, but I need this > additional space prior to migrating to the new system. Can someone give > me some guidance on what I am missing in this sequence? > > Let me know if I haven't been clear enough in the explanation of my > systems and objective. Thanks.

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