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Linux Kernel 4.1 Released, This Is What’s New
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================================================================================
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**TuxlogoA brand new version of the Linux Kernel — the heartbeat of the modern world (if we you want us to be poetic about it) — has been released.**
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The arrival [has been announced][1] by Linus Torvalds (who else?) on the Linux Kernel Mailing List (where else?) and comes almost two months after the [first entry in the new 4.x series][2].
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Levity aside, and like every release before it, Linux Kernel 4.1 features a big set of changes. These touch everything from hardware compatibility to power management to file-system performance and technical fixes for obscure processors you’ve never heard of.
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Linux 4.1 is already being tracked in Ubuntu 15.10, due for release in October.
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### What’s New In Linux 4.1? ###
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Tux got mail
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The sub-heading is on your lips and we’re not here simply to serve up an announcement of an announcement.
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We’ve gone through the (vast, long, lengthy and at times technically unintelligible) change-log to pick out some highlights that may not feed hyperbole but may impact on you, a desktop users.
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#### Power Improvements ####
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The big headline user-facing feature you’ll find in Linux 4.1 are the wealth of performance and power efficiency improvements committed for Intel’s Cherry Trail and Bay Trail chips. SoCs and devices, such as the Intel Compute Stick.
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Anecdotal suggestions are that Linux Kernel 4.1 gives select combinations of newer Intel hardware as much as an extra hour of battery life. Such high gains are not likely to apply to anything but a very specific sub-set of chips and systems (and high-end ones at that) but it’s still exciting to hear of.
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**Highlights of Linux 4.1 include:**
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- EXT4 gains file-system level encryption (thanks to Google)
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- Logitech lg4ff driver improves ‘force feedback’ for gaming wheels
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- Toshiba laptop driver gains USB sleep charging and backlight improvements
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- Rumble support for Xbox One controller
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- Better battery reporting in Wacom tablet driver
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- Various misc. power improvements for both ARM and x86 devices
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- Samsung Exynos 3250 power management improvements
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- Support for the Bamboo Pad
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- Lenovo OneLink Pro Dock gains USB support
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- Support for Realtek 8723A, 8723B, 8761A, 8821 Wi-Fi cards
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### Install Linux Kernel 4.1 on Ubuntu ###
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Although this release of the kernel is classed as stable there is no pressing need for Ubuntu desktop users to go out of their way to install it.
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Not that you can’t; if you’re impatient and skilled enough to do so you can take a crack at installing Linux 4.1 on Ubuntu by grabbing the appropriate set of packages from [Canonical’s mainline kernel archive][3] (or by risking a third-party PPA).
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Ubuntu 15.10 Wily Werewolf, due for release in October, is to be based on the Ubuntu Kernel 4.1.x (the Ubuntu kernel is the Linux Kernel plus Ubuntu-specific patches that have not been accepted upstream).
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--------------------------------------------------------------------------------
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via: http://www.omgubuntu.co.uk/2015/06/linux-4-1-kernel-new-features
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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](https://linux.cn/) 荣誉推出
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[a]:https://plus.google.com/117485690627814051450/?rel=author
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[1]:https://lkml.org/lkml/2015/6/22/8
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[2]:http://www.omgubuntu.co.uk/2015/04/linux-kernel-4-0-new-features
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[3]:http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
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Linux 4.1 发布了，下面是有哪些新的
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================================================================================
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**TuxlogoA brand new version of the Linux Kernel — the heartbeat of the modern world (if we you want us to be poetic about it) — has been released.**
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**一个心的Linux内核 - 现代世界的心跳（如果我们想要让它充满诗意）已经发布了**
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Linus Torvalds（还有谁？）在Linux邮件列表（还有哪里）中[宣布了][1]内核发布，同事也是大概两个月后迎来了[第一个4.x系列的发布][2]。
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快速之外，像每次发布前那样，Linux 4.1带来了很大的改变。它从硬件兼容性到电源管理到文件系统性能到和你从没听说过的处理器的技术修复。
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Linux 4.1 已经进入Ubuntu 15.10， 将在10月发布。
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### Linux 4.1 有哪些新的 ###
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Tux邮件
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子标题在嘴上，我们不会简单地就宣布公告。
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我们从（大量冗长的及不能理解的技术）更改日志去挑选一些对桌面用户而言，不见得夸张但或许有用的亮点。
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#### 电源管理 ####
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你在Linux 4.1中面向用户的一大特性是对Intel Cherry Trail 和 Bay Trai 芯片的丰富性能以及电源效率的提升。Soc设备，如Intel计算棒。
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传闻建议是Linux 4.1给出了新的Intel硬件组合，和更长电池守密。这么高的受益不可能针对任何芯片，它只对特定芯片和系统（和高端的）有用，但仍旧是一个令人兴奋的消息。
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**Linux 4.1 亮点包括:**
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- ext4获得了文件系统层面的加密（感谢Google）
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- 罗技游戏手柄lg4ff驱动提升‘力量反馈’
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- 东芝笔记本驱动获得USB睡眠充电和背光提升
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- Xbox One控制器支持
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- Wacom平板中更好的电源报告驱动
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- 不同的杂项。arm和x86设备电源管理提升
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- Samsung Exynos 3250 电源管理
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- 支持Bamboo屏板
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- 联想OneLink Pro Dock获得USB支持
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- 支持Realtek 8723A、 8723B、 8761A、 8821 Wi-Fi网卡
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### Ubuntu中安装Linux 4.1 ###
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虽然这次发布的内核被标记为稳定，但是Ubuntu用户没有迫切需要区安装它。
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如果你等不及了并且技术足够熟练，你可以从[Canonical的主流内核归档][3]中下载合适的来安装Linux 4.1（或者冒着风险使用第三方PPA）。
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10月发布的Ubuntu 15.10 Wily Werewolf将会基于Ubuntu Kernel 4.1.x（Ubuntu内核是基于Linux内核加上Ubuntu没被上流接受的独有补丁）。
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--------------------------------------------------------------------------------
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via: http://www.omgubuntu.co.uk/2015/06/linux-4-1-kernel-new-features
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作者：[Joey-Elijah Sneddon][a]
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译者：[geekpi](https://github.com/geekpi)
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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](https://linux.cn/) 荣誉推出
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[a]:https://plus.google.com/117485690627814051450/?rel=author
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[1]:https://lkml.org/lkml/2015/6/22/8
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[2]:http://www.omgubuntu.co.uk/2015/04/linux-kernel-4-0-new-features
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[3]:http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
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