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:
Continue reading ‘Nagios/Icinga Traffic-Light’
Sometimes in the evening is music great to relax or to hear to it incidentally while you do something.
I combined light with music – no so extreme like in the disco.
I bought some LEDs and a couple of TIP31 transistors. Transistors are the main key to the result! The first test was done on a breadboard.
Continue reading ‘LED Music Sync Box’
Create a own weather station or temperature monitoring using a tiny digital temperature sensor.
I use this setup to monitor a server room, and outdoor temperature and as a weather station.
This project consists of interface between RS-232F and the Dallas one Wire system.
You need: Continue reading ‘Your own weatherstation’
Example, you want to debug a connection from a client(192.168.110.20) to the internet (google – 188.8.131.52).
From your client you start a continuous ping to 184.108.40.206, now you are able to debug the traffic on your juniper device.
Continue reading ‘Debug on a Juniper firewall’
GNU Midnight Commander is a visual file manager, licensed under GNU General Public License and therefore qualifies as Free Software. It’s a feature rich full-screen text mode application that allows you to copy, move and delete files and whole directory trees, search for files and run commands in the sub-shell. Internal viewer and editor are included.
No cp and mv more.
Continue reading ‘Midnight Commander’