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34758 discussions

Run Now no longer works in Messages Filters of Thunderbird 38.6
by Bernard Lheureux 07 Mar '16

07 Mar '16

Hi all, Since the last update of Thunderbird to 38.6, the button 'Run Now' of the 'Mail Filters' option is no longer effective and appears always grayed in my CentOS 7... Anybody has the same behavior ? -- (°- Bernard Lheureux //\ Linux System Administrator v_/_ MailTo:bernard@lheureux.be

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OpenSSL Update - not a security update???
by Anthony K 07 Mar '16

07 Mar '16

This command output is odd: yum update --security ... No packages needed for security; 118 packages available However, this command says there's an OpenSSL update: yum update openssl ... ---> Package openssl-libs.x86_64 1:1.0.1e-51.el7_2.2 will be updated ---> Package openssl-libs.x86_64 1:1.0.1e-51.el7_2.4 will be an update Why does yum not consider this CESA a security update? Perplexed, ak.

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Latest version of kate editor
by H 07 Mar '16

07 Mar '16

I have installed the kate editor on Centos 6.7 but it seems to be a very old version, 3.3.4, installed as part of kdesdk. On Centos 7 I can simply run 'yum install kate' but, alas, not on Centos 6. What is the recommended way of updating kate on Centos 6? Thank you.

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Re: [CentOS] 6.7 netinstall fails at insert cd to continue
by Richard 07 Mar '16

07 Mar '16

> Date: Sunday, March 06, 2016 22:25:55 -0600 > From: g <geleem(a)bellsouth.net> > > On 03/06/16 22:15, Richard wrote: > <<>> > >> "shell" is a yum command, invoked as shown below. I don't believe >> there is any program called "yum-shell" (even though that is the >> man page reference). >> >> shell Is used to enter the 'yum shell', when a filename is >> specified the contents of that file is executed in >> yum shell mode. See yum-shell(8) for more info. >> >> SYNOPSIS >> yum shell [filename] >> >> The contents of the file need to be standard yum-acceptable lines. >> I.e., the lines of a package list would need to be edited to >> include "install " and/or input continuation characters, etc. >> > -- > > ok. so how about; > > yum shell install < pkginstalllist.file I suspect not. However, yum shell pkginstalllist.file where you have prepended "install " to each line (and I believe added "run" at the end) of that file would seem to be likely to work. A simple vi or perl search/replace edit/one-line script should get you the input file you need. Since you have an interest in this I'll let you read the man page and do the experimenting.

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C-Media CM8828 [CentOS 7]
by Alice Wonder 07 Mar '16

07 Mar '16

Basically I will be needing a low profile PCIe sound card with optical out. There isn't a hell of a lot of selection, seems the assumption is if you need sound it is on the motherboard. That one has PCIe and a low profile bracket, but it uses the C-Media CM8828 chipset. My understanding that chipset is only supported in 3.17+ kernels, CentOS 7 uses 3.10.x A) By any chance, has the been back-ported in CentOS kernel? B) If not, does anyone know of a 3rd party repo that has it as a kernel module built against CentOS kernel? I suspect B is no because it looks like the patches were to ALSA driver itself and not a new module. I'd prefer not to have to run a custom kernel because of updates. Anyone know the status of that chipset in CentOS 7?

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trying to get amavid to work on centos 7
by Jason Welsh 06 Mar '16

06 Mar '16

hey folks, trying to migrate my faithful old centos6 server over to centos 7 and as part of my email server, I have amavisd, clamd, postfix, etc.. The amavisd seems to be failing with some funky (systemd) error.. Mar 6 11:39:03 monster-new systemd: amavisd.service failed. Mar 6 11:39:03 monster-new systemd: amavisd.service holdoff time over, scheduling restart. Mar 6 11:39:03 monster-new systemd: Cannot add dependency job for unit firewalld.service, ignoring: Unit firewalld.service is masked. Mar 6 11:39:03 monster-new systemd: Starting Amavisd-new is an interface between MTA and content checkers.... Mar 6 11:39:03 monster-new amavisd: Error reading config file "/etc/amavisd/amavisd.conf": Permission denied at /usr/sbin/amavisd line 2163. Mar 6 11:39:03 monster-new systemd: amavisd.service: control process exited, code=exited status=13 Mar 6 11:39:03 monster-new systemd: Failed to start Amavisd-new is an interface between MTA and content checkers.. Mar 6 11:39:03 monster-new systemd: Unit amavisd.service entered failed state. yes, I did shut off the new-fangled firewalld so that I can use iptables the way I'm to.. sooo what should I do to make amavisd behave? Jason

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logrotate script error
by Tim Dunphy 06 Mar '16

06 Mar '16

Hey guys, I'm trying to rotate a logstash log that can grow pretty large. 3.4GB last I saw! And that's because the logrotate script I came up with didn't work. The error I get on a syntax check is this: #logrotate -f logstash size: '100M': No such file size: '100M': No such file size: '100M': No such file size: '100M': No such file size: '100M': No such file size: '100M': No such file size: '100M': No such file size: '100M': No such file And this is the logstash rotate script: #cat /etc/logrotate.d/logstash /var/log/logstash/* { daily rotate 7 copytruncate compress delaycompress missingok notifempty postrotate size 100M /bin/kill -HUP `cat /var/run/logstash.pid 2>/dev/null` 2> /dev/null || true endscript } I can't find the error there. Can I have a suggestion as to what's wrong and how to correct it? Thanks, Tim -- GPG me!! gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B

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wpa_supplicant service script marked executable
by Luigi Rosa 05 Mar '16

05 Mar '16

I just installed a fresh CentOS 7 with "minimal" setup. Upon restart of systemd I get this warning: Configuration file /usr/lib/systemd/system/wpa_supplicant.service is marked executable. Please remove executable permission bits. Proceeding anyway. Probably the exec bit is no longer needed. -- Ciao, luigi / +--[Luigi Rosa]-- \ Draco dormiens nunquam titillandos.

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kernel parm question: MPS? pcie_bus_safe
by m.roth＠5-cent.us 04 Mar '16

04 Mar '16

I'm fighting a long-standing problem: we've got a Dell PE R720 with a BT878 card in it, running four surveillance cameras (it's a secure room). Since I put the card in, within 20-30 min, the box's little LCD screen goes orange, and complains "bus error" on the slot the card's in; I've moved it to different slot, no joy. Note that the same card in an older Penguin (rebranded Supermicro) has no issues. Where it's been serious is for the last six or so months, if we use the 2.6.32-431.20.3.el6.x86_64 kernel, it pretty much stays up; every single newer kernel, and it will start rebooting, a number of times per day. So, I'm hoping to find a runtime kernel parm I can set, or it might be something I can set using ipmitool. However, in googling, I found one or two folks setting pcie_bus_safe to resolve what I see with ipmitool sel list. What I cannot find is what MPS is an acronym off... I've seen references to metal performance shaders, and to an LSI fusion driver. Can someone set me straight on this? Any suggestions would also be very appreciated. mark

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Sharing virtualizing physical Server 2008R2 experience on CentOS 7
by Emmanuel Noobadmin 04 Mar '16

04 Mar '16

Not as smooth an experience as I had assumed it would be after a test run with a clean install worked perfectly. So figured I would share the experience in case anybody else runs into similar situation since not all information are consolidated in a single place. Physical machine in question is a 4yr W2008R2 server (non-raided!) running custom app from defunct developer which is why I am virtualizing the failing server instead of doing a fresh/newer Windows setup. Too many articles online saying can't just dd/clone a Windows drives and expect it to run. So opted to go with the "new" Bare Metal Restore functionality added in 2008R2. https://blogs.technet.microsoft.com/askcore/2011/05/12/bare-metal-restore/ BMR caveats ========== - It can only restore from BIOS to BIOS and UEFI to UEFI (virt-manager in C7 doesn't appear to do UEFI, see below) - It can only restore to a disk of same or larger size. - It doesn't appear to be possible to trick it using a sparse qcow2 disk file to fit it into a smaller disk (500GB HDD to 250GB SSD in my case) UEFI ==== - current version of libvirt/virt-manager in C7 doesn't appear come with UEFI firmware/loader - got it done thanks to http://www.nbalonso.com/centos-7-uefi-boot-kvm/ - Summary: - install ovmf from https://www.kraxel.org/repos/ - using virsh edit, add to the <arch> section: <loader>/usr/share/edk2.git/ovmf-x64/OVMF_CODE-pure-efi.fd</loader> - sidenote: with the UEFI BIOS, warm reboot of the VM often ends up in an UEFI shell instead of booting directly, and sometimes the shell doesn't see attached drives. A "cold" reboot of the VM will fix this. Registry changes before booting ======================= After using the S2008R2 installation ISO to do a BMR restore, the restored S2008R2 won't boot. - need to boot into recovery mode with the CD again to run regedit to change some registry keys ( http://tech-stuff.org/migrate-windows-2008-server-from-physical-to-virtual-… ) - specifically for S2008R2 - select HKLM then open the File menu to 'Load Hive' from \restored drive\Windows\system32\config\SYSTEM. Give it a name e.g. 'restored_HLKM' - navigate through the restored HKLM tree to \ControlSet001\services and set the following for KVM - intelide > start = 0 - lsi_sas > start = 4 - msahci > start = 0 - pciide > start = 4 - the actual value in my registry are 3 instead of 4 but the changes appear to work regardless. - Note: I'm using IDE not virtio mode to avoid any added complications. Multi-core issue ============ For some reason, the restored VM won't boot if more than 1 core is assigned. There are plenty of hits on this issue but unfortunately mostly related to attempts to do PCI VGA passthrough. Trying out the various suggestions such as emulating core2duo, requiring nx and such did not really helped. What worked in the end is - single core - remove <hyperv> section in the guest xml - core2duo (might not be necessary) - require nx (might not be necessary) Resizing drives =========== In my situation, the server barely used 60GB on the old drive across two partitions. So 250GB SSDs was assumed to be enough until I hit the BMR restore issue. Ended up using a temporary 1TB spare drive to install before trying to shrink it down to fit onto a 250GB SSD. - Windows Disk Manager won't resize boot partition below 1/2 of original - Do NOT use Aomei partition assistant (thought it was easier and safer to use a Windows-based tool for this but...) - gparted livecd won't boot properly in KVM with UEFI/OVMF so better to just use it on a raw disk on the virtualization host directly. - Before repartitioning, from here https://wiki.archlinux.org/index.php/GParted (although says it's for WinXP) - Delete the registry key HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices - randomly gparted will get errors: - about unable to read data on the ntfs partition, fixed by mounting the partition before running gparted. - or abort a resize/move operation because it can't find the device in /etc/mtab. It doesn't quite make sense to me because the partition seems to appear only in /etc/mtab if I mount it in the host. But if I mount the drive, gparted will indicate it is mounted and needs to be unmounted. Fixed by rebooting the host machine everytime it happens. - Windows still won't boot after partition changes despite deleting the registry key. Fixed by manually running chkdsk /f in Windows rescue/repair command prompt. No errors found but for some reason this makes Windows happy. Transferring to smaller drive ==================== The web is full of warnings about trying to clone a bigger drive into a smaller drive using dd. Especially since GPT puts a spare table at the end of the drive. However, I figured it can't hurt to try since I will still have the working 1TB to fall back on. - did a dd if=/dev/vg/lv_temp of=/dev/vg_ssd/lv_ssd1 BS=32M conv=notrunc,sync - appears to work as Windows booted without complains. I'm still left with the unable to assign more than 1 core issue but so far the virtualized server appears to be working. Making a backup image before I mess around with it further. Hope this helps anybody else who might find themselves in a similar situation.

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