Different approaches to list open network connnections on your Linux server

Often we have good reasons to ask, who is connecting to our server or what process is using which port? There are some simple ways to verify that. A good start is always the NETSTAT command. Shell netstat -tn tcp 0 0 10.10.10.228:46057 74.125.135.139:443 ESTABLISHED tcp 0 0 10.10.10.228:44840 64.91.231.216:80 TIME_WAIT tcp 0 0 10.10.10.228:52012 ...

Lazarus part of my Templogger done 3

Lazarus part of my Templogger done
I had quite a fight with the TAChart component in Lazarus. For all who don’t know about Lazarus, it is a free Delphi alternative which runs on various platforms. A good thing about Lazarus is, that you can play around with the components you drop at the form already within the design process. So the ...

The magic of SQL

The magic of SQL
I am still working on my Temperature Logging project with the RaspberryPi mentioned here. The Raspberry is collecting the data and stores it in a MySQL database. Each hour, it does 5 measurements. My plan is to visualize these measurements in a little program I want to write with Lazarus. Lazarus got the TAChart component ...