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An interviewer asked me this question in an interview.
He asked, suppose a service xyz stops due to any reason and you want it running all the time, what will you do so that it will start automatically
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marked as duplicate by mpy, Tog, JdeBP, Heptite, Kevin Panko Jan 8 '14 at 3:46
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Do you have any ideas yourself ? – Lawrence Jan 7 '14 at 12:35
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The possible solution that I thought was, there might be some command similar to chkconfig or to add an entry of that process in some file though preferred to say no rather than to bluff. – Nitish Jan 8 '14 at 9:32
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I don't want to be mean but a simple google search will give you a lot of options to do this. Here is one I found:
The easiest way would be to add it to /etc/inittab, which is designed to do this sort of thing:
respawn If the process does not exist, start the process. Do not wait for its termination (continue scanning the /etc/inittab file). Restart the process when it dies. If the process exists, do nothing and continue scanning the /etc/inittab file.
For example, you could do this:
# Run my stuff
myprocess:2345:respawn:/bin/myprocess
Link: How to automatically restart a linux background process if it fails?
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Thanks for the reply. I did google search but I guess I dint framed the question correctly and all I got is how to use service, chkconfig and systemctl commands – Nitish Jan 8 '14 at 9:20
