Posts Tagged ‘Linux

11 Nov, 2009

Make a bootable USB key

Posted by: admin In: Linux| Windows

Today we had the need to “burn” (of course the correct term is “load”) an ISO image on a bootable USB stick. The problem was  how to transfer a previously ISO image on a USB key and make it bootable. We found this very interesting project on sourceforge, named  UNetbootin.
This small program in Windows version ( [...]

18 Feb, 2009

Nagios: NRPE ssl headers

Posted by: admin In: Linux| NagiOS| howto

Just installing NRPE client for Nagios into Suse Linux Enterprise 10.
After ./configure i get this error “configure: error: Cannot find ssl headers”
You can solve installing openssl-devel with Yast or with ” yast2 -i openssl-devel”

04 Jan, 2009

Watch netstat -naop

Posted by: admin In: Linux| Networking| howto

If you need to watch how many active network connections are running on your machine, and what processes using it, simply run from root (or under Sudo)
watch netstat -naop
where:
-n: show ip address
-a: show only active connections
-o: show the ports connected
-P: pid and name of processes