For the second part:
Doing an unattended upgrade can have interesting side-affects. As in a system failure. Not recommended. Instead, I would recommend running a periodic cron job to see what your distribution is offering.
If an apt capable system:
# In /etc/crontab Running at ferinstance 13:13 on Mondays
13 13 * * 1 root apt-get update && apt-...
It is unclear what you are trying to do BUT one thing is clear:-
.bashrc is NOT intended to run scripts.
It is run each time a non-login interactive shell is started and is used to configure the shell.
~/.bashrc: executed by bash(1) for non-login shells.
It looks like your code file is named serial.py. Change it to something else!
If you name a file in the current working directory after a module, then Python will use that file in your current working directory than the modules installed.
Following code worked for me. Prettey the same version as by "joshuar500", but with callback using:
GPIO.add_event_detect(button, GPIO.RISING, callback=button_callback,
bouncetime=500) # Setup event pin "button" rising edge
I was able to fix this by writing a custom config parser which does not require having sections. I hope that it will be useful for other readers
def __init__(self, path, line_delimiter='=', comment_delimiter='#'):
self.path = path
self.line_delimiter = line_delimiter
self.comment_delimiter = ...
Issues in Android app visualization were given by a faulty network connection.
It is pretty difficult to say what happens in detail because I cannot investigate further on access point configuration and other network settings (including firewalls) active on company network since I've not network admin privileges, This's pretty frustrating. As a matter of ...
A systemd Unit file could do it. Try this:
rpi ~$ sudo systemctl --force --full edit slincam_menu.service
In the empty editor insert these statements, save them and quit the editor:
If you happen to use LightDM, the correct file to start your GUI apps before the desktop environment starts is /etc/lightdm/Xsession. If you want to configure startup differently for each user, you typically put there a line
[ -f ~/.xprofile ] && . ~/.xprofile
and then configure the startup for a given user by editing their ~/.xprofile.
Lines like the one below in your error log are giving you a hint:
[Sat Jun 24 12:00:53.928111 2017] [cgid:error] [pid 2640:tid 1945105456] [client ::1:54506] End of script output before headers: Testled2.py /usr/bin/env: python3: No such file or directory
By saying python3: No such file or directory, they mean that either the first line of your scripts is ...
You can try steps mentioned below. It will take some time to make and make install. Please be patient.
sudo apt-get install qt5-default
tar -xzvf sip-4.19.24.tar.gz