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34748 discussions

XRDP idle disconnect
by Todor Petkov 27 Sep '19

27 Sep '19

Hello, I have a machine with Centos7, Plasma desktop and XRDP. Many people log in the machine, and then press 'X' of the rdp window, instead of logging off. Is there a way to automatically log off their sessions, similar to MS Windows setting? Thanks,

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CentOS 8 creates /boot with ext4
by Anand Buddhdev 27 Sep '19

27 Sep '19

I just installed CentOS 8 in a VirtualBox VM, to explore it. Immediately, I noticed something strange. I insatlled it using a kickstart file, whose partitioning section is this: zerombr clearpart --all --initlabel reqpart --add-boot part pv.01 --ondisk=/dev/sda --size=1 --grow volgroup vg01 pv.01 logvol / --name=lv_root --vgname=vg01 --size=1 --grow bootloader --driveorder=sda On CentOS 7, this resulted in an XFS-formatted /boot filesystem. In CentOS 8, this created an EXT4-formatted /boot filesystem. I looked through RHEL 8's release notes and other documentation, but could not find any place that mentions this change. Does anyone know if this is deliberate, or a bug of some kind? Regards, Anand

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Centos 8 you do not appear to have the kernel sources
by Jerry Geis 27 Sep '19

27 Sep '19

(sorry about previous item - hit return and was not intending to). Compiling on CentOS 8 and getting error "You do not appear to have the kernel sources loaded". I have kernel, kernel-devel, and kernel-headers all loaded. What am I missing? Thanks, Jerry

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You do not appear to have the kernel sources install
by Jerry Geis 27 Sep '19

27 Sep '19

I am getting an error about "You do not appear

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CentOS-announce Digest, Vol 175, Issue 4
by centos-announce-request＠centos.org 27 Sep '19

27 Sep '19

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. CEBA-2019:2871 CentOS 7 tzdata BugFix Update (Johnny Hughes) 2. CESA-2019:2836 Important CentOS 7 dovecot Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 26 Sep 2019 12:59:39 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2019:2871 CentOS 7 tzdata BugFix Update Message-ID: <20190926125939.GA31267(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2019:2871 Upstream details at : https://access.redhat.com/errata/RHBA-2019:2871 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: a467bd14a5f0fec9e6227eae6aac92c155947a102e818c2bb62e2339e44a694a tzdata-2019c-1.el7.noarch.rpm ef0c0ac7183772b70ee519f5b9c4664f37edd34d991abe4bf3c267d88cc4c253 tzdata-java-2019c-1.el7.noarch.rpm Source: b42bbcf8f971442bc4d38d31f77a89a73cca3d7b1d5c4367d7c1a9f0d9154447 tzdata-2019c-1.el7.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Thu, 26 Sep 2019 13:00:35 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2019:2836 Important CentOS 7 dovecot Security Update Message-ID: <20190926130035.GA31580(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2019:2836 Important Upstream details at : https://access.redhat.com/errata/RHSA-2019:2836 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 11077bf3f1d84c1f6859b8fa47c9392fcd509f8d6bc7b9b988e6ed7577ed04f8 dovecot-2.2.36-3.el7_7.1.i686.rpm b81be38ea93b76f4842626b0b3e2a1f475a961eca4438675ce1e55617e0ac97f dovecot-2.2.36-3.el7_7.1.x86_64.rpm f0d0108c698ce4b5dd8b367e06b915582fc48afb1badc122e309786dd38674ed dovecot-devel-2.2.36-3.el7_7.1.x86_64.rpm 2ad9278d2b13cfe896e2d5a0e5b30e1bd5b223f3167c5590fe2005db80d47aa9 dovecot-mysql-2.2.36-3.el7_7.1.x86_64.rpm 4a989a65d5f0f14d8e06683f4d14b374f7b97b4267d44d23f965fec9437264b4 dovecot-pgsql-2.2.36-3.el7_7.1.x86_64.rpm 8563c958aead11645fb2f533b6b5b39360c8dc00fbe95c3819ca674ccabdcc66 dovecot-pigeonhole-2.2.36-3.el7_7.1.x86_64.rpm Source: e264fd90d0575f43751eb67b564a5da31dad31b8ad784219340e151fac9d7e52 dovecot-2.2.36-3.el7_7.1.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 175, Issue 4 ***********************************************

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Re: [CentOS] LVM and thin snapshots
by Strahil 27 Sep '19

27 Sep '19

Hi , You can also check if BOOM boot manager can work with thin LVM. I really like that feature, since CentOS7.x Best Regards, Strahil NikolovOn Sep 27, 2019 12:39, Georgios <gpdsbe+centos(a)mailbox.org> wrote: > > Hi there! > > Im new here. > > Im trying to install Centos 8 on my laptop. I also want to have a > contingency plan in case something brakes. > > My first thoughts were to use LVM. > > The idea is that i would take multiple snapshots of the system during > the day/week and will keep them for a short time. > > I read RHEL documentation about how lvm works and pretty much understand > how to manage the above scenario with LVM snapshots and encryption. > If i understood lvm snapshots will cause delay the system after multiple > snapshots. The best way to avoid it is using thin snapshots. > > At rhel documentation it says that is possible for a non thin volume to > get a thin snapshots. > > [Correct me if my above assumptions are wrong or if there is a better > solution for my purpose.] > > So i created a group with 3 volumes groups and one thin pool. > > Im trying to take a snapshot and i get the message. > > "Cannot use writable LV as the external origin." > > I read somewhere that i should change it to read only and then take a > snapshot. Although that would be a problem i just try it to see if it > works. Then i got the message > > "Cannot use active LV for the external origin" > > Any ideas??? > > Thanks in advance > > Georgios > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos

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LVM and thin snapshots
by Georgios 27 Sep '19

27 Sep '19

Hi there! Im new here. Im trying to install Centos 8 on my laptop. I also want to have a contingency plan in case something brakes. My first thoughts were to use LVM. The idea is that i would take multiple snapshots of the system during the day/week and will keep them for a short time. I read RHEL documentation about how lvm works and pretty much understand how to manage the above scenario with LVM snapshots and encryption. If i understood lvm snapshots will cause delay the system after multiple snapshots. The best way to avoid it is using thin snapshots. At rhel documentation it says that is possible for a non thin volume to get a thin snapshots. [Correct me if my above assumptions are wrong or if there is a better solution for my purpose.] So i created a group with 3 volumes groups and one thin pool. Im trying to take a snapshot and i get the message. "Cannot use writable LV as the external origin." I read somewhere that i should change it to read only and then take a snapshot. Although that would be a problem i just try it to see if it works. Then i got the message "Cannot use active LV for the external origin" Any ideas??? Thanks in advance Georgios

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Update to Centos 7.7 / Arch ppc64le / Problem with nvidia driver
by Ralf Aumüller 27 Sep '19

27 Sep '19

Hello, today I updated a CentOS 7.6 ppc64le machine to CentOS 7.7. After reboot to the new kernel (4.18.0-80.7.2.el7.ppc64le) dkms could not build the nvidia-module. Error-message from dkms: Compiler version check failed: The major and minor number of the compiler used to compile the kernel: gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC) does not match the compiler used here: cc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39) Output of /proc/version with new kernel running is: Linux version 4.18.0-80.7.2.el7.ppc64le (mockbuild(a)ppc64le-01.bsys.centos.org) (gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC)) #1 SMP Thu Sep 12 15:45:05 UTC 2019 Problem seams to be: The kernel was compiled with gcc-version 8.3.1 and installed is gcc 4.8.5. All previous kernels were compiled with gcc 4.8.5. See: #cat /usr/src/kernels/*/include/generated/compile.h |grep LINUX_COMPILER define LINUX_COMPILER "gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)" define LINUX_COMPILER "gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)" define LINUX_COMPILER "gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)" define LINUX_COMPILER "gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)" define LINUX_COMPILER "gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)" define LINUX_COMPILER "gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC)" define LINUX_COMPILER "gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC)" Any comments? Best regards, Ralf

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Centos 7, netboot using initramfs.img
by R C 27 Sep '19

27 Sep '19

Hello, I am trying to boot a node using initramfs. (actually it is a little more complicated, I am booting the node using perceus and vnfs images). Anyway, when booting with a kernel and using initramfs.img, dracut is trying to to configure both Network NICs, the first one would be fine, but I don't want it to ven try to configure the 2nd one using dhcp. How can I stop dracut from trying to do that? thanks, Ron

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Re: [CentOS] [PROVENANCE INTERNET] Re: Missing packages in centos8 mirrors or do I miss something?
by LAHAYE Olivier 27 Sep '19

27 Sep '19

For those who come across this thread, I've found the exact list of changed and dropped package between rhel:7 and rhel:8: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/ht… Too bad that the "note" column is empty in the dropped package table. NO word about reason or possible alternatives. Also too bad that those drops were not advertised before release so developers could think about migrating there code. That would have helped me a lot if I had knew that docbook-utils-pdf would be dropped....I would have searched for an alternative long ago. Olivier. Le 26/09/2019 16:02, « CentOS au nom de LAHAYE Olivier » <centos-bounces(a)centos.org au nom de olivier.lahaye(a)cea.fr> a écrit : [...] -Is there a place where I could read about all dropped packages? I've searched in redhat changelog and centos and all I could find is a few packages dropped like NIS related or so. [...]

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