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43

How does my sys admin know that I haven't rebooted my system?

rated 0 times [ 43] [ 0] / answers: 1 / hits: 3239 / 1 Year ago, wed, may 3, 2023, 8:29:03

I got an email from my system administrator saying that I needed to reboot my system to apply some patches. I had forgotten about it and after a couple of hours I got another mail telling me that I was yet to reboot my system.

I have since rebooted my system but I'm surprised how they'd know if I had rebooted my machine or not. Can someone explain how this works?

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rontablis

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answered 1 Year ago inciplyies · Accepted Answer

A quick way to check this remotely can be done using SNMP (provided your SysAdmin has set this up on your network):

admin@yourcompany:~$ snmpwalk -v 2c -c <snmpstring> MachineName sysUpTimeInstance

DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (9461615) 1 day, 2:16:56.15

Most likely, the data would be polled and stored in a network management/monitoring system of some sort (i.e. Nagios or Cacti).

In case anyone is interested in playing around with the snmpwalk command, see the answer here to get a basic SNMP configuration set up on your system.