pulseaudio configuration profile HDMI output is unplugged (or unavailable) after monitor standby or cable replugged. it can be enabled with the command (adjust the label HDMI1 accordingly): xrandr –output HDMI1 –set audio on

Candidate plotting tools to replace matplotlib: plotly: https://towardsdatascience.com/the-next-level-of-data-visualization-in-python-dd6e99039d5e https://nbviewer.jupyter.org/gist/santosjorge/b278ce0ae2448f47c31d Bokeh: http://bokeh.pydata.org/en/latest/docs/quickstart.html NVD3: https://pypi.python.org/pypi/python-nvd3/ Vincent: https://github.com/wrobstory/vincent PyQtGraph: examples [http://eli.thegreenplace.net/2009/05/23/more-pyqt-plotting-demos|More PyQt plotting demos] [http://eli.thegreenplace.net/2009/06/05/plotting-in-python-matplotlib-vs-pyqwt|Plotting in Python: matplotlib vs. PyQwt] Specialty (flowchart mainly): graph/flowchart: https://github.com/chebee7i/nxpd http://stackoverflow.com/questions/29774105/how-to-represent-graphs-with-ipython apt package graphviz’s reverse dependencies are good candidates