Posts

Monitoring active network connections with tcptrack There are many common scenarios where keeping track of open network connections is useful. General troubleshooting or fixing specific problems are two obvious cases which...
Finding which package contains a file in Debian There are times when you’re looking for a particular library, or file, which you know is available to Debian/Ubuntu but you cannot find the package which contains it. This is...
Squid site restrictions I needed a way to block some websites permanently and others outside of certain hours. After looking at some inline solutions I realised that I could easily do what was needed...
Detecting changes to your network services/damons This is a tutorial to detect changes in port from hosts on your network. The basic approach is to ping every available address upon your subnet and see which ones are up by...