Fix minicom: cannot open /dev/ttyUSB0: Permission denied on Ubuntu 16.04.3



This post presents a solution to minicom: cannot open /dev/ttyUSB0: Permission denied that was verified on Ubuntu 16.04.3.



Symptom


When you type: minicom you see minicom: cannot open /dev/ttyUSB0: Permission denied



A Solution on Ubuntu 16.04.3


1. Type sudo adduser $USER dialout

2. Log out

3. Log in



References

  • Ubuntu logo from [link]

  • Serial port terminal > Cannot open /dev/ttyS0: Permission denied at [link]


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