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Desktop Migration and Administration Guide
Red Hat Enterprise Linux 7 Desktop Migration and Administration Guide GNOME 3 desktop migration planning, deployment, configuration, and administration in RHEL 7 Last Updated: 2021-05-05 Red Hat Enterprise Linux 7 Desktop Migration and Administration Guide GNOME 3 desktop migration planning, deployment, configuration, and administration in RHEL 7 Marie Doleželová Red Hat Customer Content Services [email protected] Petr Kovář Red Hat Customer Content Services [email protected] Jana Heves Red Hat Customer Content Services Legal Notice Copyright © 2018 Red Hat, Inc. This document is licensed by Red Hat under the Creative Commons Attribution-ShareAlike 3.0 Unported License. If you distribute this document, or a modified version of it, you must provide attribution to Red Hat, Inc. and provide a link to the original. If the document is modified, all Red Hat trademarks must be removed. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, the Red Hat logo, JBoss, OpenShift, Fedora, the Infinity logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. Linux ® is the registered trademark of Linus Torvalds in the United States and other countries. Java ® is a registered trademark of Oracle and/or its affiliates. XFS ® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL ® is a registered trademark of MySQL AB in the United States, the European Union and other countries. -
Mdns/Dns-Sd Tutorial
MDNS/DNS-SD TUTORIAL In this tutorial, we will describe how to use mDNS/DNS-SD on Raspberry Pi. mDNS/DNS-SD is a protocol for service discovery in a local area network. It is standardized under RFCs 6762 [1] and 6763[2]. The protocol is also known by the Bonjour trademark by Apple, or Zeroconf. On Linux, it is implemented in the avahi package. [1] http://tools.ietf.org/html/rfc6762 [2] http://tools.ietf.org/html/rfc6763 About mDNS/DNS-SD There are several freely available implementations of mDNS/DNS-SD: 1. avahi – Linux implementation (http://www.avahi.org/) 2. jmDNS – Java implementation (http://jmdns.sourceforge.net/) 3. Bonjour – MAC OS (installed by default) 4. Bonjour – Windows (https://support.apple.com/kb/DL999?locale=en_US) During this course, we will use only avahi. However, any of the aforementioned implementations are compatible. Avahi installation avahi is available as a package for Raspbian. Install it with: sudo apt-get install avahi-deamon avahi-utils Avahi usage avahi-daemon is the main process that takes care of proper operation of the protocol. It takes care of any configuration of the interfaces and network messaging. A user can control the deamon with command line utilities, or via D-Bus. In this document, we will describe the former option. For the latter one, please see http://www.avahi.org/wiki/Bindings. Publishing services avahi-publish-service is the command for publishing services. The syntax is: avahi-publish-service SERVICE-NAME _APPLICATION- PROTOCOL._TRANPOSRT-PROTOCOL PORT “DESCRIPTION” --sub SUBPROTOCOL For instance, the command: avahi-publish-service light _coap._udp 5683 “/mylight” --sub _floor1._sub._coap._udp will publish a service named ‘light’, which uses the CoAP protocol over UDP on port 5683. -
Red Hat Enterprise Linux 7 7.1 Release Notes
Red Hat Enterprise Linux 7 7.1 Release Notes Release Notes for Red Hat Enterprise Linux 7 Red Hat Customer Content Services Red Hat Enterprise Linux 7 7.1 Release Notes Release Notes for Red Hat Enterprise Linux 7 Red Hat Customer Content Services Legal Notice Copyright © 2015 Red Hat, Inc. This document is licensed by Red Hat under the Creative Commons Attribution-ShareAlike 3.0 Unported License. If you distribute this document, or a modified version of it, you must provide attribution to Red Hat, Inc. and provide a link to the original. If the document is modified, all Red Hat trademarks must be removed. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. Linux ® is the registered trademark of Linus Torvalds in the United States and other countries. Java ® is a registered trademark of Oracle and/or its affiliates. XFS ® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL ® is a registered trademark of MySQL AB in the United States, the European Union and other countries. Node.js ® is an official trademark of Joyent. Red Hat Software Collections is not formally related to or endorsed by the official Joyent Node.js open source or commercial project. -
Dockerdocker
X86 Exagear Emulation • Android Gaming • Meta Package Installation Year Two Issue #14 Feb 2015 ODROIDMagazine DockerDocker OS Spotlight: Deploying ready-to-use Ubuntu Studio containers for running complex system environments • Interfacing ODROID-C1 with 16 Channel Relay Play with the Weather Board • ODROID-C1 Minimal Install • Device Configuration for Android Development • Remote Desktop using Guacamole What we stand for. We strive to symbolize the edge of technology, future, youth, humanity, and engineering. Our philosophy is based on Developers. And our efforts to keep close relationships with developers around the world. For that, you can always count on having the quality and sophistication that is the hallmark of our products. Simple, modern and distinctive. So you can have the best to accomplish everything you can dream of. We are now shipping the ODROID U3 devices to EU countries! Come and visit our online store to shop! Address: Max-Pollin-Straße 1 85104 Pförring Germany Telephone & Fax phone : +49 (0) 8403 / 920-920 email : [email protected] Our ODROID products can be found at http://bit.ly/1tXPXwe EDITORIAL ow that ODROID Magazine is in its second year, we’ve ex- panded into several social networks in order to make it Neasier for you to ask questions, suggest topics, send article submissions, and be notified whenever the latest issue has been posted. Check out our Google+ page at http://bit.ly/1D7ds9u, our Reddit forum at http://bit. ly/1DyClsP, and our Hardkernel subforum at http://bit.ly/1E66Tm6. If you’ve been following the recent Docker trends, you’ll be excited to find out about some of the pre-built Docker images available for the ODROID, detailed in the second part of our Docker series that began last month. -
Red Hat Enterprise Linux 8 Installing, Managing, and Removing User-Space Components
Red Hat Enterprise Linux 8 Installing, managing, and removing user-space components An introduction to AppStream and BaseOS in Red Hat Enterprise Linux 8 Last Updated: 2021-06-25 Red Hat Enterprise Linux 8 Installing, managing, and removing user-space components An introduction to AppStream and BaseOS in Red Hat Enterprise Linux 8 Legal Notice Copyright © 2021 Red Hat, Inc. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/ . In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, the Red Hat logo, JBoss, OpenShift, Fedora, the Infinity logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. Linux ® is the registered trademark of Linus Torvalds in the United States and other countries. Java ® is a registered trademark of Oracle and/or its affiliates. XFS ® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL ® is a registered trademark of MySQL AB in the United States, the European Union and other countries. -
Not for Sale Not for Sale
chapter 3 Installing Fedora Now comes the moment of truth. You’ve done the homework, figured out how you want to install your copy of Fedora, and you’re ready to go. This chapter won’t disappoint you. Its sole goal is to walk you through the installation process using the Anaconda graphical installer. Along the way, you will: ■ Discover how to explore Fedora—without installing it. ■ Choose which option will be best for you, installing Fedora alone or along- side another operating system. ■ Journey step by step through the installation process. ■ Create one or more users for your Fedora machine. Try Before You Buy © Cengage Learning. All rights reserved. No distribution allowed without express authorization. This section may leave you scratching your head and wondering why you just went through all of the preparation in Chapter 2. Be patient, there’s a method to this madness. All spins of Fedora are currently available to users as a LiveCD version. “LiveCD” is the label for operating systems that can be booted and run right from the CD itself—without installing on your computer’s hard drive. 41 Game Developing GWX Not For Sale Not For Sale 42 Chapter 3 ■ Installing Fedora This means that when you insert your Fedora CD into the disc drive and restart your computer, Fedora will automatically begin running on your computer without putting on any new files or touching pre-existing data on your machine. Fedora just starts up and runs. So why, you ask, should I bother installing Fedora at all? I can just run it from the CD. -
Ubuntu Kung Fu
Prepared exclusively for Alison Tyler Download at Boykma.Com What readers are saying about Ubuntu Kung Fu Ubuntu Kung Fu is excellent. The tips are fun and the hope of discov- ering hidden gems makes it a worthwhile task. John Southern Former editor of Linux Magazine I enjoyed Ubuntu Kung Fu and learned some new things. I would rec- ommend this book—nice tips and a lot of fun to be had. Carthik Sharma Creator of the Ubuntu Blog (http://ubuntu.wordpress.com) Wow! There are some great tips here! I have used Ubuntu since April 2005, starting with version 5.04. I found much in this book to inspire me and to teach me, and it answered lingering questions I didn’t know I had. The book is a good resource that I will gladly recommend to both newcomers and veteran users. Matthew Helmke Administrator, Ubuntu Forums Ubuntu Kung Fu is a fantastic compendium of useful, uncommon Ubuntu knowledge. Eric Hewitt Consultant, LiveLogic, LLC Prepared exclusively for Alison Tyler Download at Boykma.Com Ubuntu Kung Fu Tips, Tricks, Hints, and Hacks Keir Thomas The Pragmatic Bookshelf Raleigh, North Carolina Dallas, Texas Prepared exclusively for Alison Tyler Download at Boykma.Com Many of the designations used by manufacturers and sellers to distinguish their prod- ucts are claimed as trademarks. Where those designations appear in this book, and The Pragmatic Programmers, LLC was aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals. The Pragmatic Starter Kit, The Pragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf and the linking g device are trademarks of The Pragmatic Programmers, LLC. -
CSS Font Stacks by Classification
CSS font stacks by classification Written by Frode Helland When Johann Gutenberg printed his famous Bible more than 600 years ago, the only typeface available was his own. Since the invention of moveable lead type, throughout most of the 20th century graphic designers and printers have been limited to one – or perhaps only a handful of typefaces – due to costs and availability. Since the birth of desktop publishing and the introduction of the worlds firstWYSIWYG layout program, MacPublisher (1985), the number of typefaces available – literary at our fingertips – has grown exponen- tially. Still, well into the 21st century, web designers find them selves limited to only a handful. Web browsers depend on the users own font files to display text, and since most people don’t have any reason to purchase a typeface, we’re stuck with a selected few. This issue force web designers to rethink their approach: letting go of control, letting the end user resize, restyle, and as the dynamic web evolves, rewrite and perhaps also one day rearrange text and data. As a graphic designer usually working with static printed items, CSS font stacks is very unfamiliar: A list of typefaces were one take over were the previous failed, in- stead of that single specified Stempel Garamond 9/12 pt. that reads so well on matte stock. Am I fighting the evolution? I don’t think so. Some design principles are universal, independent of me- dium. I believe good typography is one of them. The technology that will let us use typefaces online the same way we use them in print is on it’s way, although moving at slow speed. -
Release Notes for Fedora 22
Fedora 22 Release Notes Release Notes for Fedora 22 Edited by The Fedora Docs Team Copyright © 2015 Fedora Project Contributors. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/. The original authors of this document, and Red Hat, designate the Fedora Project as the "Attribution Party" for purposes of CC-BY-SA. In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. For guidelines on the permitted uses of the Fedora trademarks, refer to https:// fedoraproject.org/wiki/Legal:Trademark_guidelines. Linux® is the registered trademark of Linus Torvalds in the United States and other countries. Java® is a registered trademark of Oracle and/or its affiliates. XFS® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL® is a registered trademark of MySQL AB in the United States, the European Union and other countries. All other trademarks are the property of their respective owners. -
State of Linux Audio in 2009 Linux Plumbers Conference 2009
State of Linux Audio in 2009 Linux Plumbers Conference 2009 Lennart Poettering [email protected] September 2009 Lennart Poettering State of Linux Audio in 2009 Who Am I? Software Engineer at Red Hat, Inc. Developer of PulseAudio, Avahi and a few other Free Software projects http://0pointer.de/lennart/ [email protected] IRC: mezcalero Lennart Poettering State of Linux Audio in 2009 Perspective Lennart Poettering State of Linux Audio in 2009 So, what happened since last LPC? Lennart Poettering State of Linux Audio in 2009 RIP: EsounD is officially gone. Lennart Poettering State of Linux Audio in 2009 (at least on Fedora) RIP: OSS is officially gone. Lennart Poettering State of Linux Audio in 2009 RIP: OSS is officially gone. (at least on Fedora) Lennart Poettering State of Linux Audio in 2009 Audio API Guide http://0pointer.de/blog/projects/guide-to-sound-apis Lennart Poettering State of Linux Audio in 2009 We also make use of high-resolution timers on the desktop by default. We now use realtime scheduling on the desktop by default. Lennart Poettering State of Linux Audio in 2009 We now use realtime scheduling on the desktop by default. We also make use of high-resolution timers on the desktop by default. Lennart Poettering State of Linux Audio in 2009 2s Buffers Lennart Poettering State of Linux Audio in 2009 Mixer abstraction? Due to user-friendliness, i18n, meta data (icons, ...) We moved a couple of things into the audio server: Timer-based audio scheduling; mixing; flat volume/volume range and granularity extension; integration of volume sliders; mixer abstraction; monitoring Lennart Poettering State of Linux Audio in 2009 We moved a couple of things into the audio server: Timer-based audio scheduling; mixing; flat volume/volume range and granularity extension; integration of volume sliders; mixer abstraction; monitoring Mixer abstraction? Due to user-friendliness, i18n, meta data (icons, ...) Lennart Poettering State of Linux Audio in 2009 udev integration: meta data, by-path/by-id/.. -
An User & Developer Perspective on Immutable Oses
An User & Developer Perspective on Dario Faggioli Virtualization SW. Eng. @ SUSE Immutable OSes [email protected] dariof @DarioFaggioli https://dariofaggioli.wordpress.com/ https://about.me/dario.faggioli About Me What I do ● Virtualization Specialist Sw. Eng. @ SUSE since 2018, working on Xen, KVM, QEMU, mostly about performance related stuff ● Daily activities ⇒ how and what for I use my workstation ○ Read and send emails (Evolution, git-send-email, stg mail, ...) ○ Write, build & test code (Xen, KVM, Libvirt, QEMU) ○ Work with the Open Build Service (OBS) ○ Browse Web ○ Test OSes in VMs ○ Meetings / Video calls / Online conferences ○ Chat, work and personal ○ Some 3D Printing ○ Occasionally play games ○ Occasional video-editing ○ Maybe scan / print some document 2 ● Can all of the above be done with an immutable OS ? Immutable OS: What ? Either: ● An OS that you cannot modify Or, at least: ● An OS that you will have an hard time modifying What do you mean “modify” ? ● E.g., installing packages ● ⇒ An OS on which you cannot install packages ● ⇒ An OS on which you will have an hard time installing packages 3 Immutable OS: What ? Seriously? 4 Immutable OS: Why ? Because it will stay clean and hard to break ● Does this sound familiar? ○ Let’s install foo, and it’s dependency, libfoobar_1 ○ Let’s install bar (depends from libfoobar_1, we have it already) ○ Actually, let’s add an external repo. It has libfoobar_2 that makes foo work better! ○ Oh no... libfoobar_2 would break bar!! ● Yeah. It happens. Even in the best families distros -
Release Notes for Fedora 15
Fedora 15 Release Notes Release Notes for Fedora 15 Edited by The Fedora Docs Team Copyright © 2011 Red Hat, Inc. and others. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/. The original authors of this document, and Red Hat, designate the Fedora Project as the "Attribution Party" for purposes of CC-BY-SA. In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. For guidelines on the permitted uses of the Fedora trademarks, refer to https:// fedoraproject.org/wiki/Legal:Trademark_guidelines. Linux® is the registered trademark of Linus Torvalds in the United States and other countries. Java® is a registered trademark of Oracle and/or its affiliates. XFS® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL® is a registered trademark of MySQL AB in the United States, the European Union and other countries. All other trademarks are the property of their respective owners.