Joan Marc Riera Duocastella

How to use nc?

Let’s start with a few very simple examples and build up on those.

If you remember, I said that netcat was a Swiss Army knife. What would a Swiss Army knife be if it also wasn’t a regular knife, right? That’s why netcat can be used as a replacement of telnet:

$ nc www.google.com 80

Continue reading “Tool: nc / netcat”

Option a) (port 80)

$nc -w 5 -v -l -p 80 < file.ext

Option b) (port 8000)

$ python –m SimpleHTTPServer

Easy.

List all open files.

# lsof

Running lsof without any arguments lists all open files by all processes.

Other useful commands after the jump:

Continue reading “Tool: lsof”