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Translating How to switch from NetworkManager to systemd-networkd on Linux Translated Install The Latest Linux Kernel in Ubuntu Easily via A Script
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Translating by Ping
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How to switch from NetworkManager to systemd-networkd on Linux
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================================================================================
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In the world of Linux, adoption of [systemd][1] has been a subject of heated controversy, and the debate between its proponents and critics is still going on. As of today, most major Linux distributions have adopted systemd as a default init system.
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Install The Latest Linux Kernel in Ubuntu Easily via A Script
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================================================================================
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Want to install the latest Linux Kernel? A simple script can always do the job and make things easier in Ubuntu.
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Michael Murphy has created a script makes installing the latest RC, stable, or lowlatency Kernel easier in Ubuntu. The script asks some questions and automatically downloads and installs the latest Kernel packages from [Ubuntu kernel mainline page][1].
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### Install / Upgrade Linux Kernel via the Script: ###
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1. Download the script from the right sidebar of the [github page][2] (click the “Download Zip” button).
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2. Decompress the Zip archive by right-clicking on it in your user Downloads folder and select “Extract Here”.
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3. Navigate to the result folder in terminal by right-clicking on that folder and select “Open in Terminal”:
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It opens a terminal window and automatically navigates into the result folder. If you **DON’T** find the “Open in Terminal” option, search for and install `nautilus-open-terminal` in Ubuntu Software Center and then log out and back in (or run `nautilus -q` command in terminal instead to apply changes).
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4. When you’re in terminal, give the script executable permission for once.
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chmod +x *
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FINALLY run the script every time you want to install / upgrade Linux Kernel in Ubuntu:
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./*
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I use * instead of the SCRIPT NAME in both commands since it’s the only file in that folder.
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If the script runs successfully, restart your computer when done.
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### Revert back and Uninstall the new Kernel: ###
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To revert back and remove the new kernel for any reason, restart your computer and select boot with the old kernel entry under **Advanced Options** menu when you’re at Grub boot-loader.
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When it boots up, see below section.
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### How to Remove the old (or new) Kernels: ###
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1. Install Synaptic Package Manager from Ubuntu Software Center.
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2. Launch Synaptic Package Manager and do:
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- click the **Reload** button in case you want to remove the new kernel.
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- select **Status -> Installed** on the left pane to make search list clear.
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- search **linux-image**- using Quick filter box.
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- select a kernel image “linux-image-x.xx.xx-generic” and mark for (complete) removal
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- finally apply changes
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Repeat until you removed all unwanted kernels. DON’T carelessly remove the current running kernel, check it out via `uname -r` (see below pic.) command.
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For Ubuntu Server, you may run below commands one by one:
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uname -r
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dpkg -l | grep linux-image-
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sudo apt-get autoremove KERNEL_IMAGE_NAME
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--------------------------------------------------------------------------------
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via: http://ubuntuhandbook.org/index.php/2015/08/install-latest-kernel-script/
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作者：[Ji m][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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://ubuntuhandbook.org/index.php/about/
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[1]:http://kernel.ubuntu.com/~kernel-ppa/mainline/
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[2]:https://gist.github.com/mmstick/8493727
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使用脚本便捷地在Ubuntu系统中安装最新的Linux内核
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================================================================================
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想要安装最新的Linux内核吗？一个简单的脚本就可以在Ubuntu系统中方便的完成这项工作。
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Michael Murphy 写了一个脚本用来将最新的候选版、标准版、或者低延时版内核安装到 Ubuntu 系统中。这个脚本会在询问一些问题后从 [Ubuntu kernel mainline page][1] 下载安装最新的 Linux 内核包。
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### 通过脚本来安装、升级Linux内核: ###
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1. 点击 [github page][2] 右上角的 “Download Zip” 来下载脚本。
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2. 鼠标右键单击用户下载目录下的 Zip 文件，选择 “Extract Here” 将其解压到此处。
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3. 右键点击解压后的文件夹，选择 “Open in Terminal” 在终端中导航到此文件夹下。
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此时将会打开一个终端，并且自动导航到结果文件夹下。如果你找不到 “Open in Terminal” 选项的话，在 Ubuntu 软件中心搜索安装 `nautilus-open-terminal` ，然后重新登录系统即可（也可以再终端中运行 `nautilus -q` 来取代重新登录系统的操作）。
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4. 当进入终端后，运行以下命令来赋予脚本执行本次操作的权限。
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chmod +x *
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最后，每当你想要安装或升级 Ubuntu 的 linux 内核时都可以运行此脚本。
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./*
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这里之所以使用 * 替代脚本名称是因为文件夹中只有它一个文件。
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如果脚本运行成功，重启电脑即可。
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### 恢复并且卸载新版内核 ###
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如果因为某些原因要恢复并且移除新版内核的话，请重启电脑，在 Grub 启动器的 **高级选项** 菜单下选择旧版内核来启动系统。
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当系统启动后，参照下边章节继续执行。
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### 如何移除旧的（或新的）内核: ###
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1. 从Ubuntu软件中心安装 Synaptic Package Manager。
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2. 打开 Synaptic Package Manager 然后如下操作:
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- 点击 **Reload** 按钮，让想要被删除的新内核显示出来.
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- 在左侧面板中选择 **Status -> Installed** ，让查找列表更清晰一些。
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- 在 Quick filter 输入框中输入 **linux-image-** 用于查询。
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- 选择一个内核镜像 “linux-image-x.xx.xx-generic” 然后将其标记为removal（或者Complete Removal）
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- 最后，应用变更
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重复以上操作直到移除所有你不需要的内核。注意，不要随意移除此刻正在运行的内核，你可以通过 `uname -r` 命令来查看运行的内核。
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对于 Ubuntu 服务器来说，你可以一步步运行下面的命令：
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uname -r
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dpkg -l | grep linux-image-
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sudo apt-get autoremove KERNEL_IMAGE_NAME
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--------------------------------------------------------------------------------
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via: http://ubuntuhandbook.org/index.php/2015/08/install-latest-kernel-script/
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作者：[Ji m][a]
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译者：[译者ID](https://github.com/mr-ping)
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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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://ubuntuhandbook.org/index.php/about/
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[1]:http://kernel.ubuntu.com/~kernel-ppa/mainline/
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[2]:https://gist.github.com/mmstick/8493727
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