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force CUPS print server to fit-to-page
by Josh 15 Jul '20

15 Jul '20

Greetings, I've just set up an AirPrint server for a home office by following instructions in https://www.linux-magazine.com/Issues/2013/154/AirPrint-in-Linux and https://github.com/jpawlowski/airprint-generate Printer works just fine except for a problem described in https://serverfault.com/questions/897140/force-cups-print-server-to-fit-to-… Text jobs sent from iOS devices print full pages but photos and images print size is 4x6 inches instead of 8.5x11. CUPS v1.6.3 on CentOS 7. Does anyone have any ideas? Please advise, Josh.

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CentOS-announce Digest, Vol 185, Issue 3
by centos-announce-request＠centos.org 15 Jul '20

15 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-2020:2894 Important CentOS 7 dbus Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 14 Jul 2020 22:54:19 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2020:2894 Important CentOS 7 dbus Security Update Message-ID: <20200714225419.GA30412(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2020:2894 Important Upstream details at : https://access.redhat.com/errata/RHSA-2020:2894 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: f88bd838d89563321c366b251cbc62b30192c07f2ae42a69ca4a7bef46cbf389 dbus-1.10.24-14.el7_8.x86_64.rpm 88de47304b6ff5330938b5ca348a52ff5a597d6ccdfbf7c1d033ad30746fdb43 dbus-devel-1.10.24-14.el7_8.i686.rpm 0b6321bbe42291d74c8c395022d9ce20d35d9e81d85b535dbf6d1ae4e4c654b0 dbus-devel-1.10.24-14.el7_8.x86_64.rpm a5d8ef0e0d92ed6845207edee79fbf1cc317c55aa50557b466245c5c92786595 dbus-doc-1.10.24-14.el7_8.noarch.rpm 5e68a0fbe453f32c67b02836601c285b870a582654db49c0072413e3334a60ac dbus-libs-1.10.24-14.el7_8.i686.rpm 2ecaa8b312b5996a29300e0203810840f991c8e8399e78156422add72728fa17 dbus-libs-1.10.24-14.el7_8.x86_64.rpm 929c30d3e6104f4086e9ba83d9cf8873a4378aef7e64175986c55382eeb80840 dbus-tests-1.10.24-14.el7_8.x86_64.rpm 1329955ae245ec899ed66ee984e30cecf30a40679f1bd0feff952529cb0fe641 dbus-x11-1.10.24-14.el7_8.x86_64.rpm Source: 6307a61cdc84308f14a0aa074be87630b23d78f804ecd75b27c73f3a877b7dc6 dbus-1.10.24-14.el7_8.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 3 ***********************************************

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CentOS 8 & HandBrakeCLI
by Frank M. Ramaekers Jr. 15 Jul '20

15 Jul '20

Since I upgraded to CentOS8, I cannot get HandBrakeCLI to work: # HandBrakeCLI HandBrakeCLI: error while loading shared libraries: libass.so.5: cannot open shared object file: No such file or directory Googling this, it appears the error message is related to ffmpeg, but I don't get any error message with it: # ffmpeg ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 8 (GCC) configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --docdir=/usr/share/doc/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection' --extra-ldflags='-Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld ' --extra-cflags=' ' --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib --disable-crystalhd --enable-fontconfig --enable-frei0r --enable-gcrypt --enable-gnutls --enable-ladspa --enable-libaom --enable-libdav1d --enable-libass --enable-libbluray --enable-libcdio --enable-libdrm --enable-libjack --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmp3lame --enable-nvenc --enable-openal --enable-opencl --enable-opengl --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librsvg --enable-libsrt --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-version3 --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzimg --enable-libzvbi --enable-avfilter --enable-avresample --enable-libmodplug --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-libmfx --enable-runtime-cpudetect libavutil 56. 31.100 / 56. 31.100 libavcodec 58. 54.100 / 58. 54.100 libavformat 58. 29.100 / 58. 29.100 libavdevice 58. 8.100 / 58. 8.100 libavfilter 7. 57.100 / 7. 57.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 5.100 / 5. 5.100 libswresample 3. 5.100 / 3. 5.100 libpostproc 55. 5.100 / 55. 5.100 Hyper fast Audio and Video encoder usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}... Use -h to get full help or, even better, run 'man ffmpeg' ...it is correct that I don't have a .5: # ls /usr/lib64/libass* /usr/lib64/libass.so /usr/lib64/libass.so.9 /usr/lib64/libass.so.9.0.2 /usr/lib64/libassuan.so.0 /usr/lib64/libassuan.so.0.8.1 Ideas?

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hex editor for huge files
by hexpeek＠hexpeek.com 14 Jul '20

14 Jul '20

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 hexpeek: a hex editor for huge files Occasionally I need to work with huge binary files. Over the years I've tried many different tools and never found one that was exactly what I wanted. In my experience most hex editors either (1) do not work well with 4GB+ files or (2) require the user to learn a curses interface and are not scriptable. So I ended up creating a hex editor with some nice features: 1. prompt interface with command history (with libedit) 2. scriptable interface with a flexible command language 3. no glitches on huge files -- no reading until user requests 4. fully functional insert and delete 5. multi-level backup and restore 6. ability to dump generic file descriptors 7. work in hexadecimal and with 64 bit file offsets by default 8. BSD 3-clause license 9. and more... If interested, please check out the project at https://www.hexpeek.com or send e-mail to hexpeek(a)hexpeek.com. hexpeek is known to work on Debian, CentOS, FreeBSD, and Cygwin and is expected to work on any recent POSIX-like system. I look forward to improving hexpeek based on community feedback. Please let me know what features you are looking for in a hex/metadata editor. About the author: visit https://www.resiliware.com for more about me. Thanks for reading! -----BEGIN PGP SIGNATURE----- iQJIBAEBCgAyFiEEfeRsn/lRU2hTiGbecMFr/kefAX8FAl8Eok4UHGhleHBlZWtA aGV4cGVlay5jb20ACgkQcMFr/kefAX8QQQ/+NW4Gnwxp0ziXtmrplvpmUzDmtL/Y pIB6kRdwkR9bwPCTwYg4MujuNzU7vZR3Mjh/jT9y89kYa9h4Vq9u043ylYEIhy59 55xMuKA9n8yN59LhUah1+Zos7FrN+GmNFOtI8AO7xn4uWbGYBD4QLUwPY8GODm9a o9WluH8lhKnDA6mRV5io6NCJkT/sB9Jd7Qe9RLuvqhDO9DnJ5YmLsqMnQ4Zi6U1n ftyNDJmJ0P4ycJE9nCXWn0O7ptieObXPwc9Vt4DJR+8crJA6qsTbwPPtfyaOLPbs onrE4KY6vKYnKfsCnrd3W0QzNMsOfQG03Q8qQnJfjDnmr9xTbh5VQNp2CmUDtmZu XHKMsiJcAw6C3wt/xLoHh3ZGFCQp6vahBs7CyxTnr5pVTViGsl1cKgAZB2IEz916 iAUVlPaCavPlQcf9ASSx7RQ++I+xbDeW/YKXkHogj8ahLk7HkjdOMc+7ryzCt2M4 VNjmrTmlMJ4IZke2KzGoVAr0PEykXvxiWAuTbRzzM0tWEaO1MGoZGr52QTtjtXn6 1atQUBj0IZ9JDwHjU9XVzaUMaKpaUhlsm+cQf/cxnNpkB7axqo+OJPuXsfgiQ49w DbfZ+hjdXSY71f1koDx6KveTIvZW+vjAt74ovlBgrEKU/N7Cy3PNp8uIAzaU//9E L4jeIs3HVXdI2GY= =YH5l -----END PGP SIGNATURE-----

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Need HELP with old DSL modem setup on CentOS 7
by Kay Schenk 13 Jul '20

13 Jul '20

Hello all-- I'm in a bind trying to reset an older Nether DSL modem. I did a manual reset on it. It was set up as "pass thru" by me and I want to "undo" that. When I boot now, the joys of Network Manager!, I can not just enter the modem manager IP address because I keep getting "network not accessible" . HELP! _______________________ Sent from MzK's phone.

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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

2 1

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

1 0

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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