Another really helpful check for your Icinga or Nagios instance.
If your have any windows machines you can check the Windows Update-State. How many Updates you need to install and if you need to reboot your servers after updating them. [Read more…]
Icinga/Nagios: Windows monitoring
Another alternative way to monitor Windows machines with NSC-Client, you need only one time access to the Windows-Box and install the client and configure it.
All other monitoring steps can be performed from the monitoring instances like Icinga or Nagios.
Q: What can be monitored? [Read more…]
Icinga/Nagios server room temperature
After I wrote the posts about your own digital temperature sensor and Nagios/Icinga Traffic-Light its time to combine the two ideas and bring some lights to switch.
We have two working independent components, with a plugin is it possible to get the sensor status. If your temperature is higher then normal you should get a signal (Warning or Critical).
Define the new check command, with name and a plugin with some arguments:
[Read more…]
Nagios/Icinga Traffic-Light
Nagios and Icinga have a lot of notification opportunities, receive status via Mail, SMS, Twitter or maybe XMPP? Sometimes is it not easy to decide what you really need and what is better for your quick reaction.
If you have more than one monitor it is easy to overlook an important mail, or your mobile phone is in silent mode and you don’t know that you get a critical notification.
If you are a webmaster and you are working a lot with your browser – there is a solution for Mozilla Firefox with terrible wake up sounds – called Nagios Checker for Mozilla Firefox:
[Read more…]
Create Nagios Icons
If you ever tried to make Nagios Status-Map a little nicer by adding some dependencies and some pretty icons, you have probably came across some little collections/packs of icons at NagiosExchange.
But if you need a special one, you must do it by yourself.
And you probably noticed that you need images with .gd2 extension
Here is how to convert a PNG image into .gd2 (GD Graphics Library format)
Solution one:
1 | aptitude install netpbm |
1 | pngtopnm example.png | pnmtopng -transparent =rgb:00/00/00 2>/dev/null | pngtogd2 /proc/self/fd/0 example.gd2 0 1 |
Solution two:
1 | aptitude install libgd-tools |
1 | pngtogd2 phone.png phone.gd2 0 |