54 lines
991 B
Markdown
54 lines
991 B
Markdown
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---
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title: Forward X11 window over SSH
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date: 2017-06-16 00:00:00 +09:00
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---
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## Ubuntu 16.04
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Make sure you have installed SSH, X11 and xAuth on a remote server.
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```
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sudo apt install -y xorg xauth openssh
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sudo sed -i '/ForwardX11/s/.*/ForwardX11 yes/' /etc/ssh/sshd_config
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sudo service ssh restart
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```
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## macOS Sierra
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You also need to have X11 on your local machine.
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```
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brew cask install xquartz # install X11
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ssh -X <remote>
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$ xeyes # verify you have X11
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```
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You might want to restart macOS if `$DISPLAY` have empty value.
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# Plot with matplotlib
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Plot a simple graph remotely on Ubuntu 16.04:
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```python
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import matplotlib.pyplot as plt
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plt.plot([1, 2, 3])
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plt.show()
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```
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If you can't see any window, add __backend__ settings to `~/.config/matplotlib/matplotlibrc`.
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```ini
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backend: TkAgg
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```
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or just add few lines to change the backend explicitly:
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```python
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import matplotlib
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matplotlib.use('TkAgg')
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import matplotlib.pyplot as plt
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...
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```
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