<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div style="font-size:small" class="gmail_default">I have been using Nagios 4 for years to monitor servers and services on them (e.g. does a server respond to ping? Is SSH up? Is Drupal up).</div><div style="font-size:small" class="gmail_default">Then if things are not working, I get an email that something is down, and another when it is back up. </div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">Having switched the monitoring server from Linode to OVH (more on why later), I had to install everything, and realized that Nagios4 has some drawbacks. </div><div style="font-size:small" class="gmail_default">Nagios itself is fine, if you know your way around the configuration files, and does its job.</div><div style="font-size:small" class="gmail_default">Writing a monitoring script is easy and can be done in sh/bash, Perl, Python or whatever you like.</div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">But its web interface is based on CGI and force-installs Apache, and PHP as mod_php, which is inefficient and conflicts with the established way of running PHP as FastCGI (FPM). Or if you use Nginx, and don't want Apache on your server. </div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">I am considering something else, like Prometheus, with its Alertmanager, with the native Web UI, or maybe with Grafana.</div><div style="font-size:small" class="gmail_default">Prometheus is light weight, and can even run on a Raspberry Pi.</div><div style="font-size:small" class="gmail_default">It also provides resource usage, so it replaces tools like Munin.</div><div style="font-size:small" class="gmail_default">But it is more geared towards "metrics" (numeric values) rather than "uptime" (server/service up/down).</div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">Is anyone using Prometheus for monitoring many machines (local and remote)?</div><div style="font-size:small" class="gmail_default">If not Prometheus, then what other solutions are you using for monitoring?</div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">As an aside:</div><div style="font-size:small" class="gmail_default">The reason I switched from Linode (Akamai) to OVH, is because the latter offers much more CPU for the same price or less).</div><div style="font-size:small" class="gmail_default">OVH was out of VPS units in Canada for a while, but now they are available at Beauharnois.</div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">P.S. For some geekiness, look up the Beauharnois hydroelectric facility. It is on the old course of the St. Lawrence River, before the seaway was diverted further south for larger ships.</div><div style="font-size:small" class="gmail_default">It is really cool. </div><div style="font-size:small" class="gmail_default">I saw it a couple of years ago on a trip to Montreal, but sadly didn't go to the visitor centre. </div><br clear="all"></div><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Khalid M. Baheyeldin<br><a href="http://2bits.com" target="_blank">2bits.com</a>, Inc.<br>Fast Reliable Drupal<br>Drupal performance optimization, hosting and consulting.<br>"Sooner or later, this combustible mixture of ignorance and power is going to blow up in our faces." -- Dr. Carl Sagan</div></div>
</div>
</div>
</div>
</div>
</div>