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Need to make some changes to your iptables rules running on one of your servers? Don't worry. While iptables can be a bit risky in that it'll let you add rules without...
Code:
dmidecode -s system-serial-number
That will show you the 7 digit dell service tag number.

Then go here to look it up:...
The world is full of bad people trying to get into your Linux server (type lastb as root to find out a little more.. it may take a while, but it'll give you a list of bad logins.. the usernames...
If you are an Emacs user, then it is handy to be able to colorize your scripts correctly. Looking at code that isn't colorized can make your eyes bleed. Here is what I put into my .emacs file...
Hello,
I have put together some basic iptables based firewall rules that I feel should apply to virtually any web server running cPanel/WHM that is connected to the internet. Please give me your...