Sending data over ICMP with hping

Every now and then I find myself in a situation where I need to send data from one system to another and for one reason or another I'm unable to transmit using TCP or UDP. This is usually as a result of an over zealous security admin and some funny…

Setting up ghost as a virtual host on ubuntu

The ghost blog project is pretty cool, it's also written in nodejs. This is not a bad thing but node is a relative newcomer to the world and can be a little intimidating to deploy to production, especially if you would like to share precious ports 80 and 443 (HTTP…

Multiple IP addresses on different subnets (Linux)

It's sometimes necessary to add a second IP address to a server for a new service, such as when configuring a STUN server (which requires two public IP's). I've sometimes had to do this in situations where a hosting provider has no remaining free IP's in the server's current subnet…