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20151007-1 选题
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Open Source Media Player MPlayer 1.2 Released
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Almost three years after [MPlaayer][1] 1.1, the new version of MPlayer has been released last week. MPlayer 1.2 brings up support for many new codecs in this release.
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MPlayer is a cross-platform, open source media player. Its name is an abbreviation of “Movie Player”. MPlayer has been one of the oldest video players for Linux and during last 15 years, it has inspired a number of other media players. Some of the famous media players based on MPlayer are:
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- [MPV][2]
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- SMPlayer
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- KPlayer
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- GNOME MPlayer
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- Deepin Player
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#### What’s new in MPlayer 1.2? ####
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- Compatibility with FFmpeg 2.8
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- VDPAU hardware acceleration for H.265/HEVC
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- A number of new codecs supported via FFmpeg
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- Improvements in TV and DVB support
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- GUI improvements
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- external dependency on libdvdcss/libdvdnav packages
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#### Install MPlayer 1.2 in Linux ####
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Most Linux distributions are still having MPlayer 1.1. If you want to use the new MPlayer 1.2, you’ll have to compile it from the source code which could be tricky at times for beginners.
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I have used Ubuntu 15.04 for the installation of MPlayer 1.2. Installation instructions will remain the same for all Linux distributions except the part where you need to install yasm.
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Open a terminal and use the following commands:
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wget http://www.mplayerhq.hu/MPlayer/releases/MPlayer-1.2.tar.xz
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tar xvf MPlayer-1.1.1.tar.xz
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cd MPlayer-1.2
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sudo apt-get install yasm
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./configure
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When you run make, it will throw a number of things on the terminal screen and takes some time to build it. Have patience.
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make
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sudo make install
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If you feel uncomfortable using the source code, I advise you to either wait forMPlayer 1.2 to land in the repositories of your Linux distribution or use an alternate like MPV.
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--------------------------------------------------------------------------------
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via: http://itsfoss.com/mplayer-1-2-released/
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作者：[Abhishek][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://itsfoss.com/author/abhishek/
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[1]:https://www.mplayerhq.hu/
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[2]:http://mpv.io/
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Fix Shell Script Opens In Text Editor In Ubuntu
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When you double click on a shell script (.sh file) what do you expect? The normal expectation would be that it is executed. But this might not be the case in Ubuntu, or I should better say in case of Files (Nautilus). You may go crazy yelling “Run, File, Run”, but the file won’t run and instead it gets opened in Gedit.
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I know that you would say, does the file has execute permission? And I say, yes. The shell script has execute permission but still if I double click on it, it is opened in a text editor. I don’t want it and if you are facing the same issue, I assume that even you don’t want it.
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I know that you would have been advised to run it in the terminal and I know that it would work but that’s not an excuse for the GUI way to not work. Is it?
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In this quick tutorial, we shall see **how to make shell script run by double clicking on it**.
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#### Fix Shell script opens in text editor in Ubuntu ####
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The reason why shell scripts are opening in text editor is the default behavior set in Files (file manager in Ubuntu). In earlier versions, it would ask you if you want to run the file or open for editing. The default behavior has been changed in later versions.
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To fix it, go in file manager and from the top menu and click on **Preference**:
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Next in **Files preferences**, go to **Behavior** tab and you’ll see the option of “**Executables Text Files**“.
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By default, it would have been set to “View executable text files when they are opened”. I would advise you to change it to “Ask each time” so that you’ll have the choice whether to execute it or edit but of course you can set it by default for execution. Your choice here really.
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I hope this quick tip helped you to fix this little ‘issue’. Questions and suggestions are always welcomed.
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--------------------------------------------------------------------------------
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via: http://itsfoss.com/shell-script-opens-text-editor/
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作者：[Abhishek][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://itsfoss.com/author/abhishek/
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How To Download Videos Using youtube-dl In Linux
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I know you have already seen [how to download YouTube videos][1]. But those tools were mostly GUI ways. I am going to show you how to download YouTube videos via terminal using youtube-dl.
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### [youtube-dl][2] ###
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youtube-dl is a Python based small command-line tool that allows to download videos from YouTube.com, Dailymotion, Google Video, Photobucket, Facebook, Yahoo, Metacafe, Depositfiles and few more similar sites. It written in pygtk and requires Python interpreter to run this program, it’s not platform restricted. It should run on any Unix, Windows or in Mac OS X based systems.
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The youtube-dl tool supports resuming interrupted downloads. If youtube-dl is killed (for example by Ctrl-C or due to loss of Internet connectivity) in the middle of download, you can simply re-run it with the same YouTube video url. It will automatically resume the unfinished download, as long as a partial download is present in the current directory. Which means, you don’t need a [download][3] manager for resuming downloads.
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#### Installing youtube-dl ####
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If you are running Ubuntu based Linux distribution, you can install it using this command:
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sudo apt-get install youtube-dl
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For any Linux distribution, you can quickly install youtube-dl on your system through the command line interface with:
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sudo wget https://yt-dl.org/downloads/latest/youtube-dl -O/usr/local/bin/youtube-dl
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After fetching the file, you need to set a executable permission on the script to execute properly.
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sudo chmod a+rx /usr/local/bin/youtube-dl
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#### Use YouTube-DL to Download Videos: ####
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To download a video file, simply run the following command. Where “VIDEO_URL” is the url of the video that you want to download.
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youtube-dl VIDEO_URL
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#### Download YouTube Videos in Multiple Formats: ####
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These days YouTube videos have different resolutions, you first need to check available video formats of a given YouTube video. For that run youtube-dl with “-F” option. It will show you a list of available formats.
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youtube-dl -F http://www.youtube.com/watch?v=BlXaGWbFVKY
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It’s output will be like:
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Setting language
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BlXaGWbFVKY: Downloading video webpage
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BlXaGWbFVKY: Downloading video info webpage
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BlXaGWbFVKY: Extracting video information
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Available formats:
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37 : mp4 [1080×1920]
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46 : webm [1080×1920]
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22 : mp4 [720×1280]
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45 : webm [720×1280]
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35 : flv [480×854]
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44 : webm [480×854]
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34 : flv [360×640]
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18 : mp4 [360×640]
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43 : webm [360×640]
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5 : flv [240×400]
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17 : mp4 [144×176]
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Now among the available video formats, choose one that you like. For example, if you want to download it in MP4 version, you should use:
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youtube-dl -f 17 http://www.youtube.com/watch?v=BlXaGWbFVKY
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#### Download subtitles of videos using youtube-dl ####
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First check if there are subtitles available for the video. To list all subs for a video, use the command beelow:
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youtube-dl --list-subs https://www.youtube.com/watch?v=Ye8mB6VsUHw
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To download all subs, but not the video:
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youtube-dl --all-subs --skip-download https://www.youtube.com/watch?v=Ye8mB6VsUHw
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#### Download entire playlist ####
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To download a playlist, simply run the following command. Where “playlist_url” is the url of the playlist that ou want to download.
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youtube-dl -cit playlist_url
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youtube-dl is a versatile command line tool and provides a number of functionalities. No wonder it is such a popular command line tool.
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--------------------------------------------------------------------------------
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via: http://itsfoss.com/download-youtube-linux/
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作者：[alimiracle][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://itsfoss.com/author/ali/
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[1]:http://itsfoss.com/download-youtube-videos-ubuntu/
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[2]:https://rg3.github.io/youtube-dl/
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[3]:http://itsfoss.com/xtreme-download-manager-install/
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Productivity Tools And Tips For Linux
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================================================================================
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Since productivity in itself is a subjective term, I am not going into the details of what “productivity” I am talking about here. I am going to show you some tools and tips that could help you to focus better, be efficient and save time while working in Linux.
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### Productivity tools and tips for Linux ###
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Again, I am using Ubuntu at the time of writing this article. But the productivity tools and tips I am going to show you here should be applicable to most of the Linux distributions out there.
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#### Ambient Music ####
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[Music impacts productivity][2]. It is an open secret. From psychologists to management gurus, all have been advising to use ambient noise to feel relaxed and concentrate on your work. I am not going to argue with it because it works for me. I put my headphones on and listening to the birds chirping and wind blows indeed helps me in relaxing.
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In Linux, I use ANoise player for ambient noise player. Thanks to the official PPA provided, you can easily [install Ambient Noise player in Ubuntu][2] and other Ubuntu based Linux distributions. Installing it let’s you play the ambient music offline as well.
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Alternatively, you can always listen to ambient noise online. My favorite website for online ambient music is [Noisli][3]. Do give it a try.
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#### Task management app ####
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A good productive habit is to keep a to-do list. And if you combine it with [Pomodoro Technique][4], it could work wonder. What I mean hear is that create a to-do list and if possible, assign those tasks a certain time. This will keep you on track with your planned tasks for the day.
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For this, I recommend [Go For It!][5] app. You can install it in all major Linux distributions and since it is based on [ToDo.txt][6], you can easily sync it with your smartphone as well. I have written a detailed guide on [how to use Go For It!][7].
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Alternatively, you can use [Sticky Notes][8] or [Google Keep][9]. If you need something more like [Evernote][10] fan, you can use these [open source alternatives for Evernote][11].
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#### Clipboard manager ####
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Ctrl+ C and Ctrl+V are the integral part of our daily computer life. Only problem is that these important actions don’t have memory (by default). Suppose you copied something important and then you accidentally copied something else, you’ll lose what you had before.
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A clipboard manager comes handy in such situation. It displays the history of things you have copied (to clipboard) recently. You can copy text back to clipboard from it.
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I prefer [Diodon clipboard manager][12] for this purpose. It is actively developed and is available in Ubuntu repositories.
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#### Recent notifications ####
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When you are busy with something else and a desktop notification blings and fades away, what do you do? You wish that you could see what was the notification about, isn’t it? Recent notification indicator does this job. It keeps a history of all recent notifications. This way, you would never miss the desktop notifications.
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You can read about [Recent Notification Indicator here][13].
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#### Terminal Tips ####
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No, I am not going to show you all those Linux command tricks and shortcuts. That could make up an entire blog. I am going to show you couple of terminal hacks you could use to enhance your productivity.
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- **Change** sudo **password timeout**: By default sudo commands require you to enter password after 15 minutes. This could be tiresome. You could actually change the default sudo password timeout. [This tutorial][14] shows you how to do that.
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- **Get desktop notification for command completion**: It’s a common joke among IT guys that developers spend a lot of time waiting for programs to be compiled and it is not entirely true. But it does affect the productivity because while you wait for the programs to be compiled, you may end up doing something else and forget about the commands you had run in the terminal.A nicer way would be to get desktop notification when a command is completed. This way, you won’t be distracted for long and can go back to what you were supposed to be doing earlier. Read about [how to get desktop notification for command completion][15].
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I know that this is not a comprehensive article about **increasing productivity**. But these little apps and tips may actually help you to get more out of your valuable time.
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Now it’s your turn. What programs or tips you use to be more productive in Linux? Something you want to share with the community?
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--------------------------------------------------------------------------------
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via: http://itsfoss.com/productivity-tips-ubuntu/
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作者：[Abhishek][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://itsfoss.com/author/abhishek/
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[1]:http://www.helpscout.net/blog/music-productivity/
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[2]:http://itsfoss.com/ambient-noise-music-player-ubuntu/
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[3]:http://www.noisli.com/
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[4]:https://en.wikipedia.org/wiki/Pomodoro_Technique
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[5]:http://manuel-kehl.de/projects/go-for-it/
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[6]:http://todotxt.com/
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[7]:http://itsfoss.com/go-for-it-to-do-app-in-linux/
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[8]:http://itsfoss.com/indicator-stickynotes-windows-like-sticky-note-app-for-ubuntu/
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[9]:http://itsfoss.com/install-google-keep-ubuntu-1310/
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[10]:https://evernote.com/
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[11]:http://itsfoss.com/5-evernote-alternatives-linux/
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[12]:https://esite.ch/tag/diodon/
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[13]:http://itsfoss.com/7-best-indicator-applets-for-ubuntu-13-10/
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[14]:http://itsfoss.com/change-sudo-password-timeout-ubuntu/
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[15]:http://itsfoss.com/notification-terminal-command-completion-ubuntu/
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