How to run command when another computer goes offline?

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Potentially interesting problem. How would I go about reliably running a command whenever another, specific computer on the network goes offline? Bonus if the reliance on polling is very limited.



I have quite a few tools available, such as the computer in question, when "online" / functioning, is always resolvable through dns, mdns, and samba. Additionally, the other computer has SSH.










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  • What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
    – Jeff Schaller
    2 mins ago














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Potentially interesting problem. How would I go about reliably running a command whenever another, specific computer on the network goes offline? Bonus if the reliance on polling is very limited.



I have quite a few tools available, such as the computer in question, when "online" / functioning, is always resolvable through dns, mdns, and samba. Additionally, the other computer has SSH.










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user165680 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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  • What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
    – Jeff Schaller
    2 mins ago












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up vote
0
down vote

favorite











Potentially interesting problem. How would I go about reliably running a command whenever another, specific computer on the network goes offline? Bonus if the reliance on polling is very limited.



I have quite a few tools available, such as the computer in question, when "online" / functioning, is always resolvable through dns, mdns, and samba. Additionally, the other computer has SSH.










share|improve this question









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user165680 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Potentially interesting problem. How would I go about reliably running a command whenever another, specific computer on the network goes offline? Bonus if the reliance on polling is very limited.



I have quite a few tools available, such as the computer in question, when "online" / functioning, is always resolvable through dns, mdns, and samba. Additionally, the other computer has SSH.







monitoring






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edited 7 mins ago









Jeff Schaller

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  • What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
    – Jeff Schaller
    2 mins ago
















  • What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
    – Jeff Schaller
    2 mins ago















What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
– Jeff Schaller
2 mins ago




What's your criteria for offline? Does a reboot count? Does a network interruption count? How long should it be offline? Have you tried other monitoring tools?
– Jeff Schaller
2 mins ago















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