Configure GlassFish, code an application and deploy it on the application server.
Getting started with nginx, a powerful HTTP Web server/reverse proxy and IMAP/POP3 reverse proxy.
Why buy expensive ‘branded’ servers? Build one yourself using off-the-shelf hardware.
Regular vulnerability assessment of your systems/networks is a must. OpenVAS is one such tool that can assist you.
Graphs always make work easier, especially when we need to monitor things. This article discusses Cacti, a simple graphical network monitor.