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Ubuntu 14.04 LTS: Major Application Updates
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Ubuntu 14.04 LTS: Major Application Updates
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Over the last few weeks, we have been talking about the first new LTS version from Ubuntu in two years and some of the major changes to the operating system that you can expect to see once you take the plunge. Today, we are going to list some of the major applications available from the Ubuntu Software Center and the upgrades they have undergone since the last update to Ubuntu’s LTS OS.
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### Major Utilities and Tool Updates ###
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In addition to the myriad major desktop application updates (which we will cover in the next section), there are a HUGE number of other utilities and tools that have received pretty major updates since the last LTS version a bit over two years ago. Let’s talk about a few:
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- **Xen 4.4**
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This is a pretty major upgrade to Xen which is included with Ubuntu at this point. The most noticeable change to anyone who uses it will likely be that it no longer supports 32bit only CPUs (although 32bit client operating system support is still in place). This shouldn’t be a big deal since any modern processor in the last six or so years is 64bit, but it may mean that some people using Ubuntu on older servers or old laptops may need to be aware that Xen will no longer support their CPU family.
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- **QEMU 2.0** I include this here since along with Xen, there are some changes to it. Notably, guests created in KVM cannot be migrated to this version from previous Ubuntu 12.04 LTS installations nor can their snapshots be restored on 14.04 LTS. Additionally, emulated support for the arm64 binaries has been added.
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- **MySQL** Although MySQL 5.5 is still the default standard, you can install Percona, MariaDB or MySQL 5.6 from the standard repositories. I have to confess a little surprise that Ubuntu has not jumped the MySQL ship to MariaDB like every other major distribution has already done (or plans to do), but it is still the default. Hedging their bets on a relationship with Oracle is my best guess at this point.
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- **Apache 2.4 and PHP 5.5** A little surprised at the jump to Apache 2.4 which continues to struggle a bit for acceptance since 2.2 has been so rock solid for so long, but I am glad to see a major desktop distribution jump on board. PHP has needed an update for some time and has been available in the channels at PHP 5.5 since 12.04 LTS, but now it is the official installed version. NOTE: If you are running some older CMS platforms (cough, cough – DRUPAL), you may have some issues with that upgrade you have to be aware of, so check your documentation.
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### Software Center: Desktop Application Upgrades ###
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In short, there are quite a few major updates and changes to the major desktop applications available in the Software Center (as well there should be considering it has been two years since the last LTS release). The most visible applications you will notice are:
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- Google Chrome 33
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- Firefox 28
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- Nautilus 3.10
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- The Gimp – 2.8
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- KDE 4.13 (For the Best Linux Desktop in My Opinion)
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Although I didn’t mention it above, LibreOffice 4.2.3.3 is now the default office suite and it looks fantastic (see for yourself below):
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Final Thoughts
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All in all, the Ubuntu 14.04 LTS Desktop has been a fairly smooth transition from 12.04 (unless you are unlucky enough to run the very latest NVidia video cards – their Linux proprietary drivers have been hit and miss with the 780GTX or Titan chipsets).
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In the next few posts, I will be diving into a few more technical details about some of the monitor/display changes (high resolution monitor owners rejoice) as well as giving an early preview (in a virtual machine because I am not crazy) of Mir – the Xwindows desktop replacement server. If you have anything else you would like covered, drop a note in the comments and we will see you back right here next week!
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via:https://linuxacademy.com/blog/linux/ubuntu-14-04-lts-major-application-updates/
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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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Ubuntu 14.04 LTS: 主要程序更新
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过去几周我们已经讨论过 Ubuntu 的第一个LTS新版本在过去两年内在操作系统方面的主要更新。今天我们将要列出 Ubuntu 应用程序商店中自从上一个 LTS 版本以来主要的应用程序更新。
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### 主要的程序和工具更新 ###
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除了大量桌面应用程序更新(下一节讨论)外，两年以来大量的其他程序和工具都有了非常不错的更新。以下讨论其中的一部分：
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- **Xen 4.4**
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对于 Ubuntu 内置 Xen 这是一个重大更新。最显著的变化就是它不再支持纯32位的 CPU 了(虽然还继续支持32位操作系统)。这不应该是一个大问题，因为过去六年以来大多数CPU都是64位的。但是这意味着那些还在老服务器或笔记本上使用 Ubuntu 的人需要知道 Xen 将不再支持他们的CPU了。
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- **QEMU 2.0** 紧接着 Xen 后面介绍 QEMU ，因为为了适应 Xen，QEMU做了些调整。最主要的影响是在 KVM 中创建的虚拟机无法从以前的 Ubuntu 12.04 迁移到这个版本，并且快照也无法恢复。另外，加入了对 arm64 的二进制虚拟。
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- **MySQL** 尽管默认安装的是 MySQL 5.5，但是也可以从标准库中安装 Percona, MariaDB 或者 MySQL 5.6。惊喜的是，不想其他的软件发布库，Ubuntu 并没有将数据库换成MariaDB ，继续默认安装。估计是和甲骨文维持了比较好的关系。
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- **Apache 2.4 and PHP 5.5** 有点意外的是 Apache 升级到了2.4版本，毕竟2.2版本已经稳定使用了太久了。但我还是乐意看到 Apache 发布了桌面版。PHP 早在 12.04 LTS 就可以升级到 PHP 5.5 ，新版系统将其默认安装了。注意：如果你使用的是一些老板 CMS 平台 (cough, cough – DRUPAL), 在升级过程中可能得做一些调整，具体请参考文档。
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### 软件中心：桌面应用程序升级 ###
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简单来说，软件中心的主要几个软件都有许多重大更新(比较距离上个版本已经有两年的时间了)。最明显的软件更新如下：
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- Google Chrome 33
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- Firefox 28
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- Nautilus 3.10
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- The Gimp – 2.8
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- KDE 4.13 (我觉得是最好的桌面软件)
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上面虽然没提，办公套件已经预装了 LibreOffice 4.2.3.3 ，看起来棒极了，不信自己看：
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总结
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总之，Ubuntu 14.04 LTS 成功的从 12.04 平滑过渡过来了。除非你运气太差，使用了最新版本的 NVidia 显卡(使用 780GTX 或 Titan芯片的 Linux 专用驱动并没有集成到系统中)。
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以下的几篇文章中，我将深入了解有关显示器和显卡的更多的技术细节(高分辨率显示器更好)，同时对 Mir(Xwindows 桌面替换软件) 做一个早期预览测试(当然是在虚拟机环境中)。如果你还有其他想知道的，在评论栏里留言，我们下周见！
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--------------------------------------------------------------------------------
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via:https://linuxacademy.com/blog/linux/ubuntu-14-04-lts-major-application-updates/
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译者：[shipsw](https://github.com/shipsw) 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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