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For those interested in GCP (might be advertisement)
by Thomas Stephen Lee 10 Jul '20

10 Jul '20

https://www.udemy.com/course/google-certified-associate-cloud-engineer-2019… -- Lee

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complex migration
by Christopher Wensink 10 Jul '20

10 Jul '20

Hello Everyone, I need to do a complex migration of either a guest VM as a whole or as individual files with a dump and load of a progress database-based ERP system. The old host is an Amd Opteron 8 Core 16 GB ram single Socket CPU with a RAID 10 array of 8x 500 GB SATA Disks. It is running Centos 6.10 as a base OS using OpenVZ as the VM technology. Kernel version is 2.6.32-042stab142.1 x86_64 The VM "bowser" is running CentOS 6.8, it's allocated all 8 Cores, 4 GB of ram, and 120 GB of thick provisioned space. This VM is running kernel 2.6.32-042stab142.1 i686/i386 - 32 bit OS. The new host has Dual Xeon Silver CPU's 256 GB ram, and a RAID 6 setup w/ 13.96 TB of total available storage of SSD drives. I've followed the instructions here: https://communities.vmware.com/message/1719787#1719787 and here: http://gurutek.biz/migrating-from-proxmoxopenvz-to-esxesxivmware-server-par… I am at the point where I have a .vmdk file created, and I've imported the machine into vmware, but the machine is not booting. The bios vmware simply says no operating system found. I can boot from a rescue disk, then mount the old hard drive, and I can see files from the old VM. I was able to chroot into the filesystem of the old system, and I was able to get the network card communicating and online. After chrooting into the base of the old filesystem, when I try to use yum to install a kernel and run yum updates, I have an issue where the system is trying to install the i686 and x86_64 versions of RPM's that conflict with each other , and they don't work because of cross dependencies. librt.so.1 is needed by (installed) libdrm-2.4.65-2.el6.i686, and many packages repeat for librt.so.1, libutil.so.1, libgmp.so.3, libgmpxx.so.4, liblber-2.4.so.2, libacl.so.1 I've tried the suggestion of running rpm -Va --nofiles --nodigest, which completes but does not fix the files. Has anyone run into this i686 / x86_64 dual package conflicting issue before? Any suggestions? Christopher Wensink IS Administrator Five Star Plastics, Inc 1339 Continental Drive Eau Claire, WI 54701 Office: 715-831-1682 Mobile: 715-563-3112 Fax: 715-831-6075 cwensink(a)five-star-plastics.com www.five-star-plastics.com

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Availability of CentOS 7/8 AMIs through AWS Marketplace
by Marc Jay 10 Jul '20

10 Jul '20

Hi there, Long-time user of CentOS 7 AMIs from the AWS Marketplace. I see that the latest CentOS 7 and all CentOS 8 AMIs are only available outside of the Marketplace ("These images are published outside of the AWS Market Place and are shared directly" - https://wiki.centos.org/Cloud/AWS) I'm really keen to understand if this is short-term situation, or if this is the indefinite future of CentOS AMI releases? There were a number of benefits to the Marketplace model - mainly for us is the ability to use Packer to fetch the latest AMI for the product code, plus also notifications. Are there reasons behind the recent change? Many thanks, Marc

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X11 issue on CentOS 8
by Jerry Geis 10 Jul '20

10 Jul '20

I have files in /etc/X11/xorg.conf.d rw-r--r--. 1 silentm silentm 311 Jul 9 13:25 00-keyboard.conf -rw-r--r--. 1 silentm silentm 328 Jul 9 14:28 01-display.conf This is my 01-display.conf # This file goes into /etc/X11/xorg.conf.d Section "Screen" Identifier "Screen0" Device "Card0" Monitor "Monitor0" SubSection "Display" Viewport 0 0 Depth 24 Modes "3840x2160" "1920x1080" "1600x1200" "1440x900" "1368x768" "1360x768" "1366x768" "1024x768" "800x600" "640x480" EndSubSection EndSection That looks fine. But the X log file shows its NOT being used. Why ? 9.987] (==) Using config directory: "/etc/X11/xorg.conf.d" [ 9.987] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 9.988] (==) No Layout section. Using the first Screen section. [ 9.988] (==) No screen section available. Using defaults. [ 9.988] (**) |-->Screen "Default Screen Section" (0) [ 9.988] (**) | |-->Monitor "<default monitor>" [ 9.988] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration. Why is my xorg.conf.d files not being used ? Jerry

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Re: [CentOS] CentOS Digest, Vol 186, Issue 8
by Rich Greenwood 09 Jul '20

09 Jul '20

On Thu, Jul 9, 2020 at 5:00 AM <centos-request(a)centos.org> wrote: > On Wed, Jul 08, 2020 at 01:40:27PM -0500, Chris Adams wrote: > > Once upon a time, John Pierce <jhn.pierce(a)gmail.com> said: > > > yes, but is it 'basic serial UPS' or is it 'enhanced serial UPS' ? > the > > > former do NOT use the rx/tx data of the serial port at all, they ONLY > use > > > the serial port control signals, and they probably will NOT work with > a > > > USB port because they require very specific behavior from those > signals at > > > power up and reboot times. > > > > I've used various serial devices, including UPSes, via various > > USB-to-serial adapters (Prolific PL2303 and FTDI FT2232C), and all the > > signaling works fine. Only issue you sometimes have is that there are > > many cheap adapters on Amazon that claim to be Prolific or FTDI but are > > in fact counterfeit clones - those may or may not work reliably for ANY > > purpose. > > > > Another possibility for the Original Poster: > Purchase a serial add-in card from Amazon or Newegg. > last I noticed they weren't expensive. This avoids > the compatibility-hell you may (or may not) encounter > with a USB-to-serial converter. > One more possibility that nobody has mentioned yet is to see if the motherboard has a serial port header. Many motherboards still have an actual serial port that doesn't show up on the edge as a 9-pin, but on the board as a 10-pin header. You can get the header adapter for a few dollars (or maybe in your junk drawer). https://www.google.com/search?q=serial+header+adapter Also, I just plugged in a PL2303 based adapter to a CentOS 8 machine yesterday to connect to a Cisco serial console and it just worked. --Rich -- Rich Greenwood Network Engineer Shasta County Office of Education 530-225-0161

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CentOS-announce Digest, Vol 185, Issue 2
by centos-announce-request＠centos.org 09 Jul '20

09 Jul '20

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-2020:2827 Important CentOS 7 firefox Security Update (Johnny Hughes) 2. CEBA-2020:2661 CentOS 7 389-ds-base BugFix Update (Johnny Hughes) 3. CESA-2020:2824 Important CentOS 6 firefox Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 8 Jul 2020 17:23:13 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2020:2827 Important CentOS 7 firefox Security Update Message-ID: <20200708172313.GA3550(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2020:2827 Important Upstream details at : https://access.redhat.com/errata/RHSA-2020:2827 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 85eeb413b8167acfe21f28faf179577a72d277afd0cf54506f5edd80adff6c96 firefox-68.10.0-1.el7.centos.i686.rpm 1cf2c2fc03bb9a8f2df584bb215c608f8d64f93f92f4921a251f8b0a0d354785 firefox-68.10.0-1.el7.centos.x86_64.rpm Source: abc9f64de096c504c8991f6d1bf6f43bf3628dc74557258ad4822cc9b9f71b84 firefox-68.10.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Wed, 8 Jul 2020 17:24:37 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2020:2661 CentOS 7 389-ds-base BugFix Update Message-ID: <20200708172437.GA3735(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2020:2661 Upstream details at : https://access.redhat.com/errata/RHBA-2020:2661 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: f9af0cd1d022162ad71a593ac1b74e1707e59b9d44af5e1febc202cb5f5f8312 389-ds-base-1.3.10.1-14.el7_8.x86_64.rpm 8d14c2cf5e6f51f182fb0e116c9c06c3ae50e1015c48459f91331a392c3972b4 389-ds-base-devel-1.3.10.1-14.el7_8.x86_64.rpm 642830ded3d064d6c27951a9f9568578cbf43777b850193034817808b7fd6349 389-ds-base-libs-1.3.10.1-14.el7_8.x86_64.rpm 85e1d7614ee9772a2ed0dde2d235ab6f82f16bf195654ed7f55558667427ab78 389-ds-base-snmp-1.3.10.1-14.el7_8.x86_64.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 3 Date: Wed, 8 Jul 2020 17:26:10 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2020:2824 Important CentOS 6 firefox Security Update Message-ID: <20200708172610.GA3908(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2020:2824 Important Upstream details at : https://access.redhat.com/errata/RHSA-2020:2824 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 836fe37d81abff787edb7cbf857fe7582e43c4bc287c36986a68e3f017a17219 firefox-68.10.0-1.el6.centos.i686.rpm x86_64: 836fe37d81abff787edb7cbf857fe7582e43c4bc287c36986a68e3f017a17219 firefox-68.10.0-1.el6.centos.i686.rpm e1a8f2b8906949bb92dd41414d472801f3c19c9104958c3418805540c4e19398 firefox-68.10.0-1.el6.centos.x86_64.rpm Source: 8449ad137d456efe63609ccfda22f8ebdf9742aa1d50385ecd93f0818987c359 firefox-68.10.0-1.el6.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 185, Issue 2 ***********************************************

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disk on vm with kvm
by Rick Gutierrez 09 Jul '20

09 Jul '20

hi list, i am trying to change the input and output scheduler on my disks, and it does not allow me , I have several virtualized vm over kvm, and when I try to make the change it shows me this message: echo "noop" > /sys/block/vda/queue/scheduler -bash: echo: write error: Invalid argument kernel version: 3.10.0-1127.13.1.el7.x86_64 any idea? -- rickygm http://gnuforever.homelinux.com

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Re: [CentOS] [OT] Bacula offsite replication
by Leroy Tennison 08 Jul '20

08 Jul '20

I realize this shouldn't happen, the file is a tgz and isn't being modified while being transmitted. This has happened maybe three times this year and unfortunately I've just had to deal with it rather than invest the time to do the research. Harriscomputer Leroy Tennison Network Information/Cyber Security Specialist E: leroy(a)datavoiceint.com [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-451f-ba2c-af8059e69609.PNG] 2220 Bush Dr McKinney, Texas 75070 www.datavoiceint.com<http://www..com> This message has been sent on behalf of a company that is part of the Harris Operating Group of Constellation Software Inc. If you prefer not to be contacted by Harris Operating Group please notify us<http://subscribe.harriscomputer.com/>. This message is intended exclusively for the individual or entity to which it is addressed. This communication may contain information that is proprietary, privileged or confidential or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately by e-mail and delete all copies of the message. ________________________________ From: Chris Schanzle <christopher.schanzle(a)nist.gov> Sent: Wednesday, July 1, 2020 10:03 AM To: CentOS mailing list <centos(a)centos.org>; Leroy Tennison <leroy(a)datavoiceint.com> Subject: [EXTERNAL] Re: [CentOS] [OT] Bacula offsite replication CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Unless the file is being modified during rsync, corruption should not happen with good hardware. Consider testing your RAM. Have you noticed any other weird problems with that remote server, like programs crashing / daemons needing restarting? On 7/1/20 10:37 AM, Leroy Tennison wrote: > What I did was used cksum to create a checksum of the source file putting it in a separate file, transmitted that via rsync as well and compared that to a cksum computed on the remote end. There are far more accurate alternatives to cksum but I felt cksum was good enough for a basic check. Like most things in the UNIX world, there are probably other ways to do this as well. > > Interestingly enough, after I sent my previous response I discovered that I had yet another instance of the problem. > > ________________________________ > From: CentOS <centos-bounces(a)centos.org> on behalf of Alessandro Baggi <alessandro.baggi(a)gmail.com> > Sent: Wednesday, July 1, 2020 9:26 AM > To: centos(a)centos.org <centos(a)centos.org> > Subject: [EXTERNAL] Re: [CentOS] [OT] Bacula offsite replication > > CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. > > > Hi Leroy, > > How I can confirm that during rsync transfer corruption are not encountered? > > Thank you in advance. > > > Harriscomputer > > Leroy Tennison > Network Information/Cyber Security Specialist > E: leroy(a)datavoiceint.com > > > [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-451f-ba2c-af8059e69609.PNG] > > > 2220 Bush Dr > McKinney, Texas > 75070 > https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.datavoiceint.com%2f&…> > > > This message has been sent on behalf of a company that is part of the Harris Operating Group of Constellation Software Inc. > > If you prefer not to be contacted by Harris Operating Group please notify us<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fsubscribe.harriscomputer…>. > > > > This message is intended exclusively for the individual or entity to which it is addressed. This communication may contain information that is proprietary, privileged or confidential or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately by e-mail and delete all copies of the message. > > > > > > Il 01/07/20 16:04, Leroy Tennison ha scritto: >> I've used rsync (but probably not for the size you're referring to), it works and has enough features to meet most needs. I have had a single situation where corruption occurred during transfer (a few times, have no idea why), might want to independently confirm the integrity of the transfer. >> >> ________________________________ >> From: CentOS <centos-bounces(a)centos.org> on behalf of Alessandro Baggi <alessandro.baggi(a)gmail.com> >> Sent: Wednesday, July 1, 2020 5:26 AM >> To: centos(a)centos.org <centos(a)centos.org> >> Subject: [EXTERNAL] [CentOS] [OT] Bacula offsite replication >> >> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. >> >> >> Hi everyone, >> >> I have updated my backup server to CentOS 8.2. It runs bacula performing >> backup on disks. I would like to replicate backups on another offsite >> machine. >> >> I read about the ability to configure a new storage daemon in the >> offsite location and create a Migration/Copy Jobs. If I'm not wrong, it >> replicates only volumes but not replicate the catalog. I will try this. >> >> Another way to replicate the volumes on another server is using rsync. >> >> What is your suggestion about this topic? >> >> Thank you in advance. >> >> Alessandro. >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> https://lists.centos.org/mailman/listinfo/centos >> >> Harriscomputer >> >> Leroy Tennison >> Network Information/Cyber Security Specialist >> E: leroy(a)datavoiceint.com >> >> >> [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-451f-ba2c-af8059e69609.PNG] >> >> >> 2220 Bush Dr >> McKinney, Texas >> 75070 >> https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.datavoiceint.com&c=…> >> >> >> This message has been sent on behalf of a company that is part of the Harris Operating Group of Constellation Software Inc. >> >> If you prefer not to be contacted by Harris Operating Group please notify us<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fsubscribe.harriscomputer…>. >> >> >> >> This message is intended exclusively for the individual or entity to which it is addressed. This communication may contain information that is proprietary, privileged or confidential or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately by e-mail and delete all copies of the message. >> >> >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > https://lists.centos.org/mailman/listinfo/centos

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CentOS 8 and webrtc plugin
by Jerry Geis 08 Jul '20

08 Jul '20

I am trying to play with webrtc and gstreamer. libnice - nicesrc/nicesink elements (this is the only build-time dependency) - openssl - dtlsdec/dtlsenc elements - libsrtp2 - srtpdec/srtpenc elements - usrsctp - sctpdec/sctpenc elements (only required if you use data channels). These are dependencies (apparently). The first two I have. How do I get the last two or anyone got webrtc working with CentOS 8 ? Thanks all. Jerry

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Generating X configuration files
by Michael Hennebry 07 Jul '20

07 Jul '20

I'm trying to make my computer work with a Fedora 32 live DVD. Video issues make it either crap out or only give me 640x480. Grrrr. Centos 7 is running just fine. I think I could make it go by booting to runlevel 3 and running startx manually. For that to work, I think I need to pass startx the right configuration file. To me, 'tain't obvious what to put in that file. Is there a way to get Centos 7 to generate a configuaration file for me? -- Michael hennebry(a)web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards

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