Subj : Port Checking
To   : Jas Hud
From : Arelor
Date : Thu Apr 14 2022 15:46:36

  Re: Port Checking
  By: Jas Hud to Arelor on Wed Apr 13 2022 09:26 am

 >   To: Arelor
 >   Re: Port Checking
 >   By: Arelor to Jas Hud on Wed Apr 13 2022 07:52 am
 > 
 >  > I was going to suggest something similar. It should be easy to run a
 >  > periodical script in the server itself capable of checking whether the
 >  > process is running, and if it is not running, throw a warning and relaunc
 >  > the service.
 > 
 >  > Actually the way to go is to build a High Availability cluster with two
 >  > redundant load balancers, but I guess that is out of the budget :-)
 > 
 > 
 > or just have it restart.
 > 
 > 
 > i dont like having a sever up for polling msgs.
 > i used to just run it and poll x times a day.

Oh I was not thinking of polling, port scanning or anything of that sort.

It is easy enough to record the Process Id of a service upon start and then run
a cronjob in the machine every now and then to check whethersuch process is
still in the table of active processes. Common Linux and BSD init systems have
some means to track whether a process is active or has crashed.



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