The program that would not go away

 Posted on February 17, 2017  (Last modified on March 7, 2021)  |  6 minutes

This post is about a program hang. The hang was in the Python process that was running Ansible scripts. The problem was hard to debug and had me go back to Unix textbook.

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unix  signals  fork  exec 

Don't hang up on me

 Posted on July 30, 2016  (Last modified on March 7, 2021)  |  4 minutes

Can you tell me when a shell sends a “HANGUP” signal to a process? What happens if there is a pipeline? What if you prefix this pipeline with the “nohup” command?

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signals  shell  unix  sighup