Trisul Network Analytics
Developer Zone

User Tools

Site Tools

You are here: Home » monit » Monit Trisul Process
Trace:
monit:monitoring_and_maintain_trisul_process

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Last revisionBoth sides next revision
monit:monitoring_and_maintain_trisul_process [2018/10/03 18:13] – dhineshmonit:monitoring_and_maintain_trisul_process [2020/09/18 14:53] – [Install Monit on Ubuntu 16.04] veera
Line 1: Line 1:
 ====== Monit Trisul Process  =====  ====== Monit Trisul Process  ===== 
  
-You can use Monit to monitor daemon processes or similar programs running on localhost.+You can use Monit to monitor daemon processes or similar programs running on localhost. This document explains how you can use monit to keep your Trisul Probe processes running.  
  
-==== Install Monit on Ubuntu 16.04 ====+<note important>Your Trisul Probe processes should never stop. If you are seeing crashes or memory issues , please read "[[admin:debuggingcrash|Debugging Trisul Probe Crashes]]" and help us debug your setup. This guide is useful when Trisul is in production and you want to ensure uptime.  
 + 
 +</note> 
 + 
 +===== Install Monit on Ubuntu 16.04 and 18.04 =====
  
 <code bash> apt-get install monit </code> <code bash> apt-get install monit </code>
  
  
-=== Edit Configuration  ===+===== Edit Configuration  =====
  
 1. Open the monitrc configuration file  1. Open the monitrc configuration file 
Line 16: Line 20:
  
 2. Add following lines at the end of file  2. Add following lines at the end of file 
 +
  
 <code> <code>
-check process trisul_flushd_context0 with pidfile /usr/local/var/lib/trisul-hub/domain0/hub0/context0/run/flushd.pid 
-  start program = "/usr/local/bin/trisulctl_hub start context context0" 
-  stop program = "/usr/local/bin/trisulctl_hub stop context context0" 
 check process trisul_probe_context0 with pidfile /usr/local/var/lib/trisul-probe/domain0/probe0/context0/run/trisul-probe.pid check process trisul_probe_context0 with pidfile /usr/local/var/lib/trisul-probe/domain0/probe0/context0/run/trisul-probe.pid
   start program = "/usr/local/bin/trisulctl_probe start context context0@probe0"   start program = "/usr/local/bin/trisulctl_probe start context context0@probe0"
Line 26: Line 28:
  
 </code> </code>
 +
 +This snippet monitors the trisul probe process and restarts if stopped.
 +
  
 3. Restart the monit  3. Restart the monit 
Line 36: Line 41:
 <code bash> systemctl enable monit </code> <code bash> systemctl enable monit </code>
  
 +
 +====== Advanced configuration - email when monit restarts  ======
 +
 +You can have monit restart stopped processes and email you when that happens. Just copy the following snippet into /etc/monit/monitrc
  
 ===== Email configuration for monit ===== ===== Email configuration for monit =====
Line 62: Line 71:
  
 ===== Sample File ===== ===== Sample File =====
 +<code>
 ############################################################################### ###############################################################################
 ## Monit control file ## Monit control file
Line 362: Line 372:
   start program = "/usr/local/bin/trisulctl_hub start context default@hub0"   start program = "/usr/local/bin/trisulctl_hub start context default@hub0"
   stop program = "/usr/local/bin/trisulctl_hub stop context default@hub0"   stop program = "/usr/local/bin/trisulctl_hub stop context default@hub0"
 +</code>
  
monit/monitoring_and_maintain_trisul_process.txt · Last modified: 2020/09/18 14:53 by veera