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20150429-1 选题
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Synfig Studio 1.0 — Open Source Animation Gets Serious
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================================================================================
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**A brand new version of the free, open-source 2D animation software Synfig Studio is now available to download. **
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The first release of the cross-platform software in well over a year, Synfig Studio 1.0 builds on its claim of offering “industrial-strength solution for creating film-quality animation” with a suite of new and improved features.
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Among them is an improved user interface that the project developers say is ‘easier’ and ‘more intuitive’ to use. The client adds a new **single-window mode** for tidy working and has been **reworked to use the latest GTK3 libraries**.
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On the features front there are several notable changes, including the addition of a fully-featured bone system.
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This **joint-and-pivot ‘skeleton’ framework** is well suited to 2D cut-out animation and should prove super efficient when coupled with the complex deformations new to this release, or used with Synfig’s popular ‘automatic interpolated keyframes’ (read: frame-to-frame morphing).
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注：youtube视频
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<iframe width="750" height="422" frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/M8zW1qCq8ng?feature=oembed"></iframe>
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New non-destructive cutout tools, friction effects and initial support for full frame-by-frame bitmap animation, may help unlock the creativity of open-source animators, as might the addition of a sound layer for syncing the animation timeline with a soundtrack!
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### Download Synfig Studio 1.0 ###
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Synfig Studio is not a tool suited for everyone, though the latest batch of improvements in this latest release should help persuade some animators to give the free animation software a try.
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If you want to find out what open-source animation software is like for yourself, you can grab an installer for Ubuntu for the latest release direct from the project’s Sourceforge page using the links below.
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- [Download Synfig 1.0 (64bit) .deb Installer][1]
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- [Download Synfig 1.0 (32bit) .deb Installer][2]
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--------------------------------------------------------------------------------
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via: http://www.omgubuntu.co.uk/2015/04/synfig-studio-new-release-features
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作者：[oey-Elijah Sneddon][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:https://plus.google.com/117485690627814051450/?rel=author
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[1]:http://sourceforge.net/projects/synfig/files/releases/1.0/linux/synfigstudio_1.0_amd64.deb/download
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[2]:http://sourceforge.net/projects/synfig/files/releases/1.0/linux/synfigstudio_1.0_x86.deb/download
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How To Integrate Apache2 With Tomcat 7 Using mod_jk Connector
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================================================================================
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Apache is the most popular available web server. A web server is used basically to accept requests from clients and send responses to those requests. It gets an URL, translates it to a filename (for static requests), and sends that file back over the internet from the local disk, or it translates it to a program name, executes it, and then sends the output of that program back over the internet to the requesting party. If the web server was not able to process and complete the request, it instead returns an error message.
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In this article we will list the features of Apache, and how we can integrate it with Tomcat8 and Tomcat7 using the mod_jk connector.
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### Features of Apache ###
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As we said Apache is the most popular available web server. The reasons behind its popularity are the following features:
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- It is free tool that you can download and install it easily.
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- It is open source web server so you can easily see the code, adjust it, optimize it, and fix errors and security holes. New features and modules can be also added.
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- It can be used for small websites of one or two pages, or huge websites of hundreds and thousands of pages, serving millions of regular visitors each month. It can serve both static and dynamic content.
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- Improved caching modules (mod_cache, mod_disk_cache, mod_mem_cache).
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- Apache 2 supports the Internet protocol IPv6.
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### Tomcat directory ###
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${tomcat_home} is the root directory of tomcat. Your Tomcat installation should have the following subdirectories:
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- ${tomcat_home}\conf – Where you can place various configuration files
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- ${tomcat_home}\webapps – Containing example applications
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- ${tomcat_home}\bin – Where you place web server plugins
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### Mod_jk module ###
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The mod_jk can be obtained in two formats: binary and source. Depending on the platform you are running your web server on, a binary version of mod_jk may be available. It is recommended to use the binary version if it is available.
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The mod_jk module was developed and tested on:
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- Linux, FreeBSD, AIX, HP-UX, MacOS X, Solaris and should work on major Unix’s platforms supporting Apache 1.3 and/or 2.x
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- 0-i386 SP4/SP5/SP6a (should be able to work with other service packs), Win2K and WinXP and Win98
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- Cygwin (until you have an apache server and autoconf/automake support tools)
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- Netware
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- i5/OS V5R4 (System I) with Apache HTTP Server 2.0.58. Be sure to have the latest Apache PTF installed.
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- Tomcat 3.2 to Tomcat 8.
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The mod_jk requires two entities:
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- **mod_jk.xxx** – The Apache HTTP Server module, depending on your operating system, it will be mod_jk.so, mod_jk.nlm or MOD_JK.SRVPGM.
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- **workers.properties** – A file that describes the host and used ports by the workers (Tomcat processes). A sample workers.properties can be found under the conf directory in the source download.
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Also as with other Apache HTTP Server modules, mod_jk should be first installed on the modules directory of your Apache webserver: /usr/lib/apache and you should update your **httpd.conf** file.
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### Installation ###
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It is required to have a non-root user system with the “sudo” privileges before starting the installation. Now we will start our installation, so we will install Apache2 and Tomcat using the following command:
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sudo apt-get install apache2
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sudo apt-get install tomcat7
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sudo apt-get install tomcat7-admin
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And now we will create a test application for Tomcat using the following commands:
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cd /var/lib/tomcat7/webapps
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sudo mkdir tomcat-demo
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sudo mkdir tomcat-demo/goodmoring
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sudo vim tomcat-demo/helloworld/index.jsp
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And paste the following code:
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<HTML>
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<HEAD>
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<TITLE>Good Morning</TITLE>
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</HEAD>
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<BODY>
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<H1>Good Morning</H1>
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Today is: <%= new java.util.Date().toString() %>
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</BODY>
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</HTML>
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Everything is okay, good now we will install and configure the mod_jk using the following command:
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sudo apt-get install libapache2-mod-jk
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We have to start by enabling the redirect port 8443 on Tomcat using the following command:
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sudo vim /etc/tomcat7/server.xml
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And we will uncomment the following line:
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<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
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After that, we will create our workers.properties file for Apache using the following command:
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sudo vim /etc/apache2/workers.properties
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Paste the following text:
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# Define 1 real worker using ajp13
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worker.list=worker
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# Set properties for worker (ajp13)
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worker.worker.type=ajp13
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worker.worker.host=localhost
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worker.worker.port=8009
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Now we will use the following command to let Apache use this worker:
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sudo vim /etc/apache2/mods-available/jk.conf
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And we will change the JkWorkersFile property to the following one;
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/etc/apache2/workers.properties
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Finally to configure the URL Apache should pass through the Tomcat
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sudo vim /etc/apache2/sites-enabled/000-default
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And we will add the following line in the configurtation file:
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<VirtualHost *:80>
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.......................................
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.......................................
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JkMount /tomcat-demo* worker1
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</VirtualHost *:80>
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You can now restart the servers using the following commands to check their functionality:
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sudo /etc/init.d/tomcat7 restart
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sudo /etc/init.d/apache2 restart
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### Conclusion ###
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In this article we showed you how to configure and install Apache2 and Tomcat 7 using the mod_jk connector.
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--------------------------------------------------------------------------------
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via: http://www.unixmen.com/integrate-apache2-tomcat-7-using-mod_jk-connector/
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作者：[anismaj][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://www.unixmen.com/author/anis/
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KDE Plasma 5.3 Released, Here’s How To Upgrade in Kubuntu 15.04
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================================================================================
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**KDE [has announced][1] the stable release of Plasma 5.3, which comes charged with a slate of new power management features. **
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Having impressed and excited [with an earlier beta release in April][2], the latest update to the new stable update to the Plasma 5 desktop environments is now considered stable and ready for download.
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Plasma 5.3 continues to refine and finesse the new-look KDE desktop. It sees plenty of feature additions for desktop users to enjoy and **almost 400 bug fixes** packed in it should also improvements the performance and overall stability, too.
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### What’s New in Plasma 5.3 ###
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Better Bluetooth Management in Plasma 5.3
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While we touched on the majority of the **new features** [in Plasma 5.3 in an earlier article][3] many are worth reiterating.
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**Enhanced power management** features and configuration options, including a **new battery applet, energy usage monitor** and **animated changes in screen brightness**, will help KDE last longer on portable devices.
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Closing a laptop when an external monitor is connected no longer triggers ‘suspend’. This new behaviour is called ‘**cinema mode**‘ and comes enabled by default, but can be disabled using an option in power management settings.
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**Bluetooth functionality is improved**, with a brand new panel applet making connecting and configuring paired bluetooth devices like smartphones, keyboards and speakers easier than ever.
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Similarly, **trackpad configuration in KDE is easier** with Plasma 5.3 thanks to a new set-up and settings module.
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Trackpad, Touchpad. Tomato, Tomayto.
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For Plasma widget fans there is a new **Press and Hold** gesture. When enabled this hides the settings handle that appears when on mouseover. Instead making it only appear when long-clicking on widget.
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On the topic of widget-y things, several **old Plasmoid favourites are reintroduced** with this release, including a useful system monitor, handy hard-drive stats and a comic reader.
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### Learning More & Trying It Out ###
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A full list of everything — and I mean everything — that is new and improved in Plasma 5.3 is listed [in the official change log][4].
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Live images that let you try Plasma 5.3 on a Kubuntu base **without affecting your own system** are available from the KDE community:
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- [Download KDE Plasma Live Images][5]
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If you need super stable system you can use these live images to try the features but stick with the version of KDE that comes with your distribution on your main computer.
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However, if you’re happy to experiment — read: can handle any package conflicts or system issues resulting from attempting to upgrade your desktop environment — you can.
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### Install Plasma 5.3 in Kubuntu 15.04 ###
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To **install Plasma 5.3 in Kubuntu 15.04** you need to add the KDE Backports PPA, run the Software Updater tool and install any available updates.
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The Kubuntu backports PPA may/will also upgrade other parts of the KDE Platform other than Plasma that are installed on your system including KDE applications, frameworks and Kubuntu specific configuration files.
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Using the command line is by far the fastest way to upgrade to Plasma 5.3 in Kubuntu:
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sudo add-apt-repository ppa:kubuntu-ppa/backports
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sudo apt-get update && sudo apt-get dist-upgrade
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After the upgrade process has completed, and assuming everything went well, you should reboot your computer.
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If you’re using an alternative desktop environment, like LXDE, Unity or GNOME, you will need to install the Kubuntu desktop package (you’ll find it in the Ubuntu Software Centre) after running both of the commands above.
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To downgrade to the stock version of Plasma in 15.04 you can use the PPA-Purge tool:
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sudo apt-get install ppa-purge
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sudo ppa-purge ppa:kubuntu-ppa/backports
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Let us know how your upgrade/testing goes in the comments below and don’t forget to mention the features you hope to see added to the Plasma 5 desktop next.
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--------------------------------------------------------------------------------
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via: http://www.omgubuntu.co.uk/2015/04/kde-plasma-5-3-released-heres-how-to-upgrade-in-kubuntu-15-04
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作者：[Joey-Elijah Sneddon][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:https://plus.google.com/117485690627814051450/?rel=author
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[1]:https://www.kde.org/announcements/plasma-5.3.0.php
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[2]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
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[3]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
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[4]:https://www.kde.org/announcements/plasma-5.2.2-5.3.0-changelog.php
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[5]:https://community.kde.org/Plasma/Live_Images
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