Is there an application i can install on my server so as to know (be notified ) that server has gone off and for how long it was off and also know the time it went on again.

Am trying nagios but cant figure out that option. Better still an application to indicate network usage by graph between give time intervals and store logs for reference

  • You can use vnstat to monitor your network traffic over time.
    – n.st
    Oct 12, 2013 at 22:16

1 Answer 1


All you need to do is in the terminal just type the following:


It shows you the current time and the very next thing is the duration (for how long your system has been running).

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