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20140722-1 选题
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Budgie Desktop 5.1 Is a Superb New Desktop Environment for Conservative Users
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================================================================================
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**The developer of Evolve OS, Ikey Doherty, has made a new desktop environment called Budgie Desktop and released a new version of it.**
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Evolve OS hasn't been launched yet, but the developer is actively working on it. Instead of adopting an existing desktop environment, he decided that it would be better to make his own. It's based on GNOME and uses quite a few GNOME packages, but it looks very different. In fact, it follows the same paradigm as MATE and Cinnamon, although Budgie seems to be a little more modern and polished.
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It's quite interesting to see that a critical piece of technology is released before the operating system that it's going to serve, but potential users don't have to be completely taken by surprise. To that effect, a [PPA][1] has been put in place for Ubuntu 14.04 LTS and Ubuntu 14.10, although it's not official. Also, the Arch Linux users will find the new desktop environment in the AUR repository.
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“Almost all of the changes since v4 have been related to the panel. It’s been completely rewritten in Vala, lowering the maintenance overhead and significantly reducing the barrier of entry for new contributors. So, when your update comes through later on (hopefully) today through OBS if you use it, or for Evolve OS users you already have the update, you should only see minor visual differences. The idea was not to change the look, but to rewrite what was there and make it moar better.”
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“The rewrite into Vala took quite some effort, but has immediately paid off. In the future all of the desktop will be rewritten to use Vala, and being the ‘second write’ – we do things better the second time around,” says Ikey Doherty in the release [announcement][2].
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Even if the desktop environment looks pretty advanced, judging by the version number, there is still room for improvements. The developer has promised that the next release in the series, 6.x, will allow users to write plugins in any language supported by libpeas, and that includes C, Vala, JavaScript, and Python.
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Users will also notice that some of the main elements from Budgie Desktop have remained in place, like the position of the menu and the size of the icons. In the future, it will be possible to change them, but for now, users need to contend with what's available.
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Even in this incipient phase, Budgie Desktop 5.1 looks better than many of the alternatives that can be found right now on other OSes.
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Download the source package right now for Ubuntu and Arch Linux:
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- [GIT sources][3][sources] [0 KB]
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- [Ubuntu 14.04 PPA Repository][4][ubuntu_deb] [0 KB]
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- [Arch Linux binary][5][binary] [0 KB]
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--------------------------------------------------------------------------------
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via: http://news.softpedia.com/news/Budgie-Desktop-5-1-Is-a-Superb-New-Desktop-Environment-For-Conservative-Users-451477.shtml
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原文作者：[Silviu Stahie][a]
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译者：[译者ID](https://github.com/译者ID) 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://news.softpedia.com/editors/browse/silviu-stahie
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[1]:https://launchpad.net/~sukso96100/+archive/ubuntu/budgie-desktop
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[2]:https://evolve-os.com/2014/07/20/budgie-desktop-v5-1-released/
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[3]:https://github.com/evolve-os/budgie-desktop/
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[4]:https://launchpad.net/~sukso96100/+archive/ubuntu/budgie-desktop?field.series_filter=trusty
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[5]:https://aur.archlinux.org/packages/budgie-desktop-git
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The Native Dropbox Linux Client Debuts New Qt Interface
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================================================================================
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**The latest experimental build of the native Dropbox Linux client has debuted with an all new Qt interface.**
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Dropbox say that the UI rewrite, which will be used on both Windows and Linux, will fix a ‘large number’ of long-standing bugs, issues and glitches. The cross-platform toolkit is also set to improve general performance.
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Alongside an all new setup wizard and login screen (see below) is a handful of redesigned splash screens.
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Login Screen
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Setup Screen
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Congratulations Screen
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### Not Stable Yet ###
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Dropbox developers caution that since much of the new interface “is still rough around the edges” testers should expect to encounter various visual bugs while using it. The new UI does not yet work with accessibility tools like screen readers.
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The new UI uses (for now) the stock Qt theme. This isn’t ugly per se, but it does look a little out of place on the Ubuntu desktop, especially compared to previous builds. Memory usage is also reportedly higher, in some cases jumping from 60MB when idle to more than 178MB. Those on low-end devices should resist the temptation to try this build — at least until this particular bug has been addressed.
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Full change log for Dropbox 2.11.0 (Experimental) for Linux:
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- Rewrite of the Windows & Linux UI in Qt
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- File identifiers detect when files have been moved/renamed
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- New setup/login experience
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- Faster uploads for small files
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- New splash screens
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### Download Dropbox Linux Build 2.11.x ###
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To try the experimental builds just download the correct archive for your system using the links below.
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- [Dropbox Experimental (64bit) Offline Linux Installer][1]
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- [Dropbox Experimental (32bit) Offline Linux Installer][2]
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Once downloaded, extract the archive to your Home folder. It’s hidden by default, so using the Terminal, ‘`cd`‘ into the ‘`.dropbox-dist/dropbox-lnx`‘ folder and run ‘`./dropbox start`‘.
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Dropbox terminal navigation gif:
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--------------------------------------------------------------------------------
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via: http://www.omgubuntu.co.uk/2014/07/dropbox-experimental-linux-build-qt-rewrite
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原文作者：[Joey-Elijah Sneddon][a]
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译者：[译者ID](https://github.com/译者ID) 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://d1ilhw0800yew8.cloudfront.net/client/dropbox-lnx.x86_64-2.11.0.tar.gz
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[2]:https://d1ilhw0800yew8.cloudfront.net/client/dropbox-lnx.x86-2.11.0.tar.gz
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How to manage DigitalOcean VPS droplets from the command line on Linux
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================================================================================
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[DigitalOcean][1] is one of the [hottest][2] new kids in the block in the cloud VPS hosting market. While not offering as comprehensive service portfolio as Amazon Web Services and the likes, DigitalOcean is already a strong contender for the best Linux-based cloud VPS service targeted at small businesses and developers, thanks to their competitive pricing and user-friendly management interface.
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Whenever you need a web-facing server for your personal project, you can quickly spin up a "droplet" (nickname for a VPS instance at [DigitalOcean][3]). And kill it when it's not needed. No need to burn a hole in your pocket as you are charged for its up time. While DigitalOcean's web-based management interface is streamlined already, for those of you who are die-hard fans of command-line interface (CLI), there is a CLI-based droplet management tool called [Tugboat][4]. Thanks to this CLI tool, any complex droplet management task can easily be turned into a script.
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In this tutorial, I am going to describe **how to use Tugboat to manage DigitalOcean dropets from the command line**.
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### Install Tugboat on Linux ###
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To install Tugboat on Debian, Ubuntu or Linux Mint:
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$ sudo apt-get install ruby-dev
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$ sudo gem install tugboat
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To install Tugboat on Fedora:
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$ sudo yum install ruby-devel
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$ sudo gem install tugboat
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To install Tugboat on CentOS, first [install or upgrade to the latest Ruby][5], because on CentOS 6.5 and earlier, the default Ruby does not meet the minimum version requirement (1.9 and higher) for Tugboat. Once you install Ruby 1.9 and higher, install Tugboat as follows.
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$ sudo gem install tugboat
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### Configure Tugboat for the First Time ###
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After installation, it's time to go through one-time configuration, which involves authorizing Tugboat to access your DigitalOcean account.
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Go to [https://cloud.digitalocean.com/api_access][6], and create a new API key. Make a note of client ID and API key.
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Start authorization process by running:
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$ tugboat authorize
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When prompted, enter your client ID and API key. It will ask you several other questions. You can accept default answers for now. We are going to customize the default settings later anyway.
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[][7]
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Now let's customize default droplet settings to reflect your typical use cases. For that, first check available droplet offerings (e.g., available images, regions, sizes).
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Running the command below will show you a list of available droplet images. Pick a default image to use, and make a note of the corresponding ID.
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$ tugboat images --global
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Similarly, pick a default geographic location from available regions:
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$ tugboat regions
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Also, choose a default droplet size from available RAM sizes:
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$ tugboat sizes
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Now put your default choices in ~/.tugboat. For example, here I customize my default settings to 512MB Ubuntu 14.04 x64 to be created in New York region. Set "ssh_user" to root if you want to enable SSH via key authentication, which will be described shortly.
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$ vi ~/.tugboat
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----------
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---
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authentication:
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client_key: XXXXXXXXXXXXXXXXXXX
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api_key: XXXXXXXXXXXXXXXXXXXX
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ssh:
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ssh_user: root
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ssh_key_path: /home/dev/.ssh/id_rsa
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ssh_port: '22'
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defaults:
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region: '4'
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image: '3240036'
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size: '66'
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ssh_key: ''
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private_networking: 'false'
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backups_enabled: 'false'
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### Create and Add SSH Key to DigitalOcean ###
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A secure way to access your droplet instance is to SSH to the instance via [key authentication][8].
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In fact, you can automatically enable key authentication for your droplets by registering your SSH public key with [DigitalOcean][9]. Here is how to do it.
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First, generate a private/public SSH key pair (if you don't have one).
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$ ssh-keygen -t rsa -C "your@emailaddress.com"
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Assuming that the generated key pair consists of: ~/.ssh/id_rsa (private key) and ~/.ssh/id_rsa.pub (public key), go ahead and upload your public key by running:
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$ tugboat add-key [name-of-your-key]
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You can give your key any name you like (e.g., "my-default-key"). When prompted, enter the path to your public key (e.g., /home/user/.ssh/id_rsa.pub). After key uploading is completed, verify the key is successfully added by running:
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$ tugboat keys
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The key should also appear in DigitalOcean's [SSH key page][10]. If you want the key to be automatically used for your droplets, add the ID of your key to ~/.tugboat.
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ssh_key: '182710'
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### Basic Usage of Tugboat ###
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Here are a few basic use cases of tugboat command line.
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1. Create a new droplet with default settings.
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$ tugboat create <name-of-droplet>
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2. Show a list of all active droplets.
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$ tugboat droplets
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3. Display information about a droplet.
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$ tugboat info <name-of-droplet>
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[][11]
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4. Shutdown a droplet, and remove its image.
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$ tugboat destroy <name-of-droplet>
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5. Shutdown a droplet, but keep its image
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$ tugboat halt <name-of-droplet>
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6. Take a snapshot of a droplet. The droplet must be turned off first.
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$ tugboat snapshot <snapshot-name> <name-of-droplet>
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7. Resize (increase or decrease the RAM size of) a droplet. The droplet must be shutdown first.
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$ tugboat resize <name-of-droplet> -s <image-id>
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If you want to know more about a particular command option, run:
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$ tugboat help <command>
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### Troubleshooting ###
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1. When I run tugboat command, it fails with the following error.
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/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': /usr/lib/ruby/gems/1.8/gems/tugboat-0.2.0/lib/tugboat/cli.rb:12: syntax error, unexpected ':', expecting kEND (SyntaxError)
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Tugboat requires Ruby 1.9 and higher. You need to upgrade Ruby to solve this problem. For CentOS, refer to [this tutorial][12].
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2. When I try to install Tugboat with gem, I get the following error.
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/usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- json/pure (LoadError)
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Install the following gem to fix the problem.
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$ sudo gem install json_pure
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--------------------------------------------------------------------------------
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via: http://xmodulo.com/2014/07/manage-digitalocean-vps-droplets-command-line-linux.html
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原文作者：[Dan Nanni][a]
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译者：[译者ID](https://github.com/译者ID) 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://xmodulo.com/author/nanni
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[1]:http://xmodulo.com/go/digitalocean
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[2]:http://news.netcraft.com/archives/2013/12/11/digitalocean-now-growing-faster-than-amazon.html
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[3]:http://xmodulo.com/go/digitalocean
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[4]:https://github.com/pearkes/tugboat
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[5]:http://ask.xmodulo.com/upgrade-ruby-centos.html
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[6]:https://cloud.digitalocean.com/api_access
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[7]:https://www.flickr.com/photos/xmodulo/14685122101/
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[8]:http://xmodulo.com/2012/04/how-to-enable-ssh-login-without.html
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[9]:http://xmodulo.com/go/digitalocean
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[10]:https://cloud.digitalocean.com/ssh_keys
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[11]:https://www.flickr.com/photos/xmodulo/14501627440/
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[12]:http://ask.xmodulo.com/upgrade-ruby-centos.html
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