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sinewalker/ticktock.service

Created July 13, 2018 12:09
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ticktock systemd service
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ticktock.service
[Unit]
Description=ticktock
AssertPathExists=/home/mjl
[Service]
WorkingDirectory=/home/mjl
#unbuffered:
ExecStart=/usr/bin/python -u /home/mjl/ticktock.py
#buffered:
#ExecStart=/home/mjl/ticktock.py
StandardOutput=file:/tmp/ticktock.log
StandardError=inherit
Restart=always
RestartSec=3
[Install]
WantedBy=default.target
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sinewalker commented Jul 13, 2018 •
edited

See ticktock.py for an example of what this runs.

This demonstrates how Python's buffering of output means that systemd journal (or even just straight streaming to a text file) will not update immediately unless you tell Python not to buffer (with the -u switch).

Also see this Stack Exchange question

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