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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (How to use byobu to multiplex SSH sessions)
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[#]: via: (https://opensource.com/article/20/2/byobu-ssh)
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[#]: author: (Ben Nuttall https://opensource.com/users/bennuttall)
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How to use byobu to multiplex SSH sessions
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======
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Byobu allows you to maintain multiple terminal windows, connect via SSH,
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disconnect, reconnect, and share access, all while keeping the session
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alive.
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![Person drinking a hat drink at the computer][1]
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[Byobu][2] is a text-based window manager and terminal multiplexer. It's similar to [GNU Screen][3] but more modern and more intuitive. It also works on most Linux, BSD, and Mac distributions.
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Byobu allows you to maintain multiple terminal windows, connect via SSH (secure shell), disconnect, reconnect, and even let other people access it, all while keeping the session alive.
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For example, if you are SSH'd into a Raspberry Pi or server and run (for example) **sudo apt update && sudo apt upgrade**—and lose your internet connection while it is running, your command will be lost to the void. However, if you start a byobu session first, it will continue running and, when you reconnect, you will find it's been running happily without your eyes on it.
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![The byobu logo is a fun play on screens.][4]
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Byobu is named for a Japanese term for decorative, multi-panel screens that serve as folding room dividers, which I think is quite fitting.
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To install byobu on Debian/Raspbian/Ubuntu:
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**sudo apt install byobu**
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Then enable it:
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**byobu-enable**
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Now drop out of your SSH session and log back in—you'll land in a byobu session. Run a command like **sudo apt update** and close the window (or enter the escape sequence ([**Enter**+**~**+**.**][5]) and log back in. You'll see the update running just as you left it.
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There are a _lot_ of features I don't use regularly or at all. The most common ones I use are:
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* **F2** – New window
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* **F3/F4** – Navigate between windows
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* **Ctrl**+**F2** – Split pane vertically
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* **Shift**+**F2** – Split pane horizontally
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* **Shift**+**Left arrow/Shift**+**Right arrow** – Navigate between splits
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* **Shift**+**F11** – Zoom in (or out) on a split
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You can learn more by watching this video:
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### How we're using byobu
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Byobu has been great for the maintenance of [piwheels][6], the convenient, pre-compiled Python packages for Raspberry Pi. We have a horizontal split showing the piwheels monitor in the top half and the syslog entries scrolled in real time on the bottom half. Then, if we want to do something else, we switch to another window. It's particularly handy when we're investigating something collaboratively, as I can see what my colleague Dave types (and correct his typos) while we chat in IRC.
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I have byobu enabled on my home and work servers, so when I log into either machine, everything is as I left it—multiple jobs running, a window left in a particular directory, running a process as another user, that kind of thing.
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![byobu screenshot][7]
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Byobu is handy for development on Raspberry Pis, too. You can launch it on the desktop, run a command, then SSH in and attach yourself to the session where that command is running. Just note that enabling byobu won't change what the terminal launcher does. Just run **byobu** to launch it.
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* * *
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_This article originally appeared on Ben Nuttall's [Tooling blog][8] and is reused with permission._
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Enter the black raspberry. Rubus occidentalis . It's an ominous name for an ominous fruit: the...
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/20/2/byobu-ssh
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作者：[Ben Nuttall][a]
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选题：[lujun9972][b]
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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]: https://opensource.com/users/bennuttall
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[b]: https://github.com/lujun9972
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[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/coffee_tea_laptop_computer_work_desk.png?itok=D5yMx_Dr (Person drinking a hat drink at the computer)
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[2]: https://byobu.org/
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[3]: http://www.gnu.org/software/screen/
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[4]: https://opensource.com/sites/default/files/uploads/byobu.png (byobu screen)
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[5]: https://www.google.com/search?client=ubuntu&channel=fs&q=Enter-tilde-dot&ie=utf-8&oe=utf-8
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[6]: https://opensource.com/article/20/1/piwheels
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[7]: https://opensource.com/sites/default/files/uploads/byobu-screenshot.png (byobu screenshot)
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[8]: https://tooling.bennuttall.com/byobu/
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@ -0,0 +1,79 @@
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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (How to use byobu to multiplex SSH sessions)
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[#]: via: (https://opensource.com/article/20/2/byobu-ssh)
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[#]: author: (Ben Nuttall https://opensource.com/users/bennuttall)
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如何使用 byobu 复用 SSH 会话
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======
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Byobu 能让你在保持会话活跃的情况下维护多个终端窗口、通过 SSH 连接、断开、重连以及共享访问。
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![Person drinking a hat drink at the computer][1]
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[Byobu][2] 是基于文本的窗口管理器和终端多路复用器。它类似于 [GNU Screen][3]，但更现代，更直观。它还适用于大多数 Linux、BSD 和 Mac 发行版。
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Byobu 能让你在保持会话活跃的情况下维护多个终端窗口、通过 SSH （secure shell）连接、断开、重连，甚至让其他人访问。
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比如，你 SSH 进入树莓派或服务器，并运行（比如） **sudo apt update && sudo apt upgrade**，然后你在它运行的时候失去了互联网连接，你的命令会丢失无效。然而，如果你首先启动 byobu 会话，那么它会继续运行，在你重连后，你会发现它仍在继续运行。
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![The byobu logo is a fun play on screens.][4]
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Byobu 的日语术语是指装饰性多面板屏风，可作为折叠式隔断，我认为这很合适。
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要在 Debian/Raspbian/Ubuntu 上安装 byobu：
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**sudo apt install byobu**
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接着启用它
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**byobu-enable**
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现在，请退出 SSH 会话并重新登录，你将会在 byobu 会话中登录。运行类似 **sudo apt update** 命令并关闭窗口（或输入转义序列（[**Enter**+**~**+**.**][5]）并重新登录。你将看到更新在你离开后还在运行。
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有_很多_我不常使用的功能。我通常使用的是：
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* **F2** – 新窗口
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* **F3/F4** – 在窗口间导航
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* **Ctrl**+**F2** – 垂直拆分窗格
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* **Shift**+**F2** – 水平拆分窗格
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* **Shift**+**左箭头/Shift**+**右箭头** – 在拆分窗格间导航
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* **Shift**+**F11** – 放大（或缩小）拆分窗格
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### 我们如何使用 byobu
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Byobu 对于 [piwheels][6]（一个用于树莓派的方便的，预编译 Python 包）的维护很方便。我门水平拆分了窗格，在上半部分显示了 piwheels 监视器，在下半部分实时显示了 syslog 条目。接着，如果我们想要做其他事情，我们可以切换到另外一个窗口。当我们进行协作调查时，这特别方便，因为当我在 IRC 中聊天时，我可以看到我的同事 Dave 输入了什么（并纠正他的错字）。
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我在家庭和办公服务器上启用了 byobu，因此，当我登录到任何一台计算机时，一切都与我离开时一样。它正在运行多个作业、在特定目录中保留一个窗口，以另一个用户身份运行进程等。
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![byobu screenshot][7]
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Byobu 也很方便用于在树莓派上进行开发。你可以在桌面上启动它，运行命令，然后 SSH 进入，并连接到该命令运行所在的会话。请注意，启用 byobu 不会更改终端启动器的功能。只需运行 **byobu** 即可启动它。
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* * *
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_本文最初发表在 Ben Nuttall 的 [Tooling blog][8] 中，并获许重用_
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/20/2/byobu-ssh
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作者：[Ben Nuttall][a]
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选题：[lujun9972][b]
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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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://opensource.com/users/bennuttall
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[b]: https://github.com/lujun9972
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[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/coffee_tea_laptop_computer_work_desk.png?itok=D5yMx_Dr (Person drinking a hat drink at the computer)
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[2]: https://byobu.org/
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[3]: http://www.gnu.org/software/screen/
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[4]: https://opensource.com/sites/default/files/uploads/byobu.png (byobu screen)
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[5]: https://www.google.com/search?client=ubuntu&channel=fs&q=Enter-tilde-dot&ie=utf-8&oe=utf-8
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[6]: https://opensource.com/article/20/1/piwheels
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[7]: https://opensource.com/sites/default/files/uploads/byobu-screenshot.png (byobu screenshot)
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[8]: https://tooling.bennuttall.com/byobu/
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