I have a custom service and have explicitly called for all stdout & stderr to be sent to syslog in the config file, however only some of the output appears in both syslog and the journal (they are consistent).
I my desperation I have done the following in the service files:
StandardOutput=syslog+console StandardError=syslog+console
The service is a python script and I write to stdout using the print statement. These items seem to be lost to the ether, while other command outputs write correctly both to syslog and journald. If I run the script interactively everything appears in stdout as expected.
What is lacking in my knowledge?
Answers:
Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post helpful (or not), leave a comment & I’ll get back to you as soon as possible.
Method 1
JdeBP’s comment was the correct solution:
Systemd Python service not sending all output to syslog
The solution was to add the -u option to the interpreter to make standard streams send their output unbuffered.
All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0