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[translated] Ubuntu 14.04 Server Brings Virtualization, Automation, Storage Updates
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Ubuntu 14.04 Server Brings Virtualization, Automation, Storage Updates
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> The 14.04 release of Ubuntu Linux, code-named Trusty Tahr, will bring new automation, virtualization and storage features to Ubuntu server users.
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[Ubuntu 14.04][1], the newest edition of [Canonical's][2] open source Linux-based OS, will not make huge waves among PC and mobile users, for whom it brings only minor software updates. For server users, however, the latest and greatest Ubuntu release delivers more, particularly in the realms of automation, cloud computing and virtualization.
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For desktop and mobile users, the most significant change in the upcoming release of Ubuntu 14.04, which will debut officially April 17, involves updates to the AppArmor security system. And if the biggest-ticket item on the desktop/mobile feature list is for a kernel-hardening package that runs in the background, people who use Ubuntu on their personal computers, phones and tablets aren't likely to see much change at all in Ubuntu 14.04.
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In the server world, however, the latest Ubuntu brings more substantial change. In particular, it bumps [Puppet][3], an open source platform for automating IT infrastructure management, to version 3. That's a major update, which could come in handy for people deploying large environments of Ubuntu servers (after they sort out the incompatibilities between earlier Puppet iterations and the new version, which are not completely mutually compatibile).
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Ubuntu 14.04 also will feature version 4.4 of the open source [Xen][6] virtualization hypervisor. That change, too, necessitates some tweaking to bring previous Xen deployments up to speed with the new package, but it also provides additional features and helps maintain the diversity of the virtualization ecosystem on Ubuntu servers, which offer a range of hypervisors, including [VMware][4] (VMW) and [KVM][5] in addition to Xen and others.
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On top of all of this, Ubuntu 14.04's kernel is based on [Linux][7] 3.13, which itself [brings feature updates][8] inlcuding better solid-state (SSD) disk performance. That update, too, will be welcome among server users, especially those in need of high performance in the cloud and Big Data realms.
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Since Ubuntu 14.04 is a [long-term support][9] (LTS) release, it's one that server users, in particular, are likely to stick with for long periods within production environments, where the shorter support life spans of non-LTS releases make little sense. The updates to the automation, virtualization and storage software available on Ubuntu are therefore coming at the right moment to help keep Ubuntu competitive in the server market, even as Canonical increasingly focuses on PCs and mobile devices within the scope of its Ubuntu "[convergence][10]" efforts.
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via: http://thevarguy.com/servers/041514/ubuntu-1404-server-brings-virtualization-automation-storage-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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[1]:http://releases.ubuntu.com/14.04/
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[2]:http://www.canonical.com/
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[3]:http://puppetlabs.com/
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[4]:http://vmware.com/
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[5]:http://www.linux-kvm.org/
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[6]:http://xen.org/
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[7]:http://kernel.org/
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[8]:http://thevarguy.com/open-source-application-software-companies/linux-kernel-updates-add-features-mobile-cloud-big-data
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[9]:https://wiki.ubuntu.com/LTS
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[10]:http://thevarguy.com/open-source-application-software-companies/can-canonical-rally-its-community-ubuntu-convergence
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Ubuntu 14.04服务器版提供了虚拟化，自动化，存储相关更新
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> 这次发布的Ubuntu 14.04，代号Trusty Tahr（值得信赖的塔尔羊），将会给服务器版用户带来新的自动化，虚拟化和存储相关特性。
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[Ubuntu 14.04][1], 是由[Canonical][2]推出的基于Linux的开源操作系统最新版本，将不会为PC和移动用户带来太大改动，对他们来说仅仅是较少的更新。而对服务器用户，这次最新的最重大的Ubuntu版本更新带来了更多功能，特别在自动化，云计算，以及虚拟化等方面。
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对桌面和移动用户来说，这次即将在4月17日正式露面的Ubuntu14.04的最重大的改动是，它带来了AppArmor安全系统的更新。然而这个在桌面/移动版本中最重要的新特性，是一个运行在后台的内核强化包，所以那些在个人电脑，手机或者平板上使用Ubuntu的人们在Ubuntu 14.04版本中也许根本感觉不到什么大的改动。
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然而，在服务器世界里，最新版的Ubuntu带来了更实质性的改动。特别是，它将[Puppet][3]升级到了第3版，Puppet是一个用来自动化IT基础设施管理的开源平台。这是个重要的更新，能够为部署大型Ubuntu服务器网络的人们带来便利（不过是在他们解决好Puppet早期版本和最新版之间的兼容性问题之后，新旧版本之间并不互相完全兼容）。
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Ubuntu 14.04还将带来开源的虚拟化管理程序[Xen][6]的4.4版本。这次改动，对于旧版的Xen部署环境也需要做一些必要的调整，才可以切换到新版本上。不过，它提供了更多的新特性，而且可以协助管理Ubuntu服务器上虚拟环境的多样性，包括众多的虚拟化管理程序，[VMware][4] (VMW)，[KVM][5]，Xen等等。
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最后，Ubuntu 14.04的内核基于[Linux][7] 3.13，也带来了比如更好的固态硬盘(SSD)性能等[新特性][8]。这也是很受服务器用户欢迎的，特别是那些在云和大数据领域里对性能有很高要求的用户。
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这次的Ubuntu 14.04是一个[长期支持][9](LTS)版本，这也是服务器用户最有可能长期使用于生产环境的版本，而非LTS版本对于实际生产环境来说没有任何意义。尽管Canonical持续地集中精力于在PC和移动设备上"[统一][10]"的努力，这次Ubuntu带来的自动化，虚拟化和存储软件的更新在合适的时间点推出，有利于维持Ubuntu在服务器市场的竞争力。
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--------------------------------------------------------------------------------
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via: http://thevarguy.com/servers/041514/ubuntu-1404-server-brings-virtualization-automation-storage-updates
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译者：[zpl1025](https://github.com/zpl1025) 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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[1]:http://releases.ubuntu.com/14.04/
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[2]:http://www.canonical.com/
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[3]:http://puppetlabs.com/
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[4]:http://vmware.com/
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[5]:http://www.linux-kvm.org/
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[6]:http://xen.org/
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[7]:http://kernel.org/
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[8]:http://thevarguy.com/open-source-application-software-companies/linux-kernel-updates-add-features-mobile-cloud-big-data
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[9]:https://wiki.ubuntu.com/LTS
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[10]:http://thevarguy.com/open-source-application-software-companies/can-canonical-rally-its-community-ubuntu-convergence
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