Python script as linux service/daemon Question: Hallo, I’m trying to let a python script run as service (daemon) on (ubuntu) linux. On the web there exist several solutions like: http://pypi.python.org/pypi/python-daemon/ A well-behaved Unix daemon process is tricky to get right, but the required steps are much the same for every daemon program. A DaemonContext instance …
Efficient Python Daemon Question: I was curious how you can run a python script in the background, repeating a task every 60 seconds. I know you can put something in the background using &, is that effeictive for this case? I was thinking of doing a loop, having it wait 60s and loading it again, …
Meaning of daemon property on Python Threads Question: I’m a little confused about what setting a thread to be a daemon means. The documentation says this: A thread can be flagged as a “daemon thread”. The significance of this flag is that the entire Python program exits when only daemon threads are left. The initial …
How to start a background process in Python? Question: I’m trying to port a shell script to the much more readable python version. The original shell script starts several processes (utilities, monitors, etc.) in the background with “&”. How can I achieve the same effect in python? I’d like these processes not to die when …
What is the reason for performing a double fork when creating a daemon? Question: I’m trying to create a daemon in python. I’ve found the following question, which has some good resources in it which I am currently following, but I’m curious as to why a double fork is necessary. I’ve scratched around google and …
Check to see if python script is running Question: I have a python daemon running as a part of my web app/ How can I quickly check (using python) if my daemon is running and, if not, launch it? I want to do it that way to fix any crashes of the daemon, and so …
Communicating with a running python daemon Question: I wrote a small Python application that runs as a daemon. It utilizes threading and queues. I’m looking for general approaches to altering this application so that I can communicate with it while it’s running. Mostly I’d like to be able to monitor its health. In a nutshell, …
How do you create a daemon in Python? Question: Searching on Google reveals x2 code snippets. The first result is to this code recipe which has a lot of documentation and explanation, along with some useful discussion underneath. However, another code sample, whilst not containing so much documentation, includes sample code for passing commands such …
Daemon Threads Explanation Question: In the Python documentation it says: A thread can be flagged as a “daemon thread”. The significance of this flag is that the entire Python program exits when only daemon threads are left. The initial value is inherited from the creating thread. Does anyone have a clearer explanation of what that …
