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How to fork multiple processes from a same parent´╝č

I am trying to create multiple processes from a same parent, but it always ended up with more processes than expected. I couldn't figure out how to do it and need some help here. I found a piece of ...
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2answers
31 views

Expect script: How to handle two processes?

I am using Expect to automate VoIP calls for quality measurements. My script is calling another VoIP client for a given amount of times. Before the calls should be handled, tcpdump should sniff all ...
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36 views

how to get info about the user and the processes he is running in systemd?

If I wanted to know who is logged in since when and what are the processes currently running under his control, how can I do that in systemd?
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1answer
70 views

Kill wifi connection

I am trying to debug my wifi which does not work so I want to stop wpa_suppliciant and apply the -d option If I first kill -9 <pid> Then ps -A | grep wpa returns a new pid I am on ...
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4answers
759 views

I am using `&`: why isn't the process running in the background?

I know that I can append & to a command to run the process in the background. I'm SSH'ing into an Ubuntu 12.04 box and running a python program with $python program.py & -- but when I go to ...