Mitigate DoS Attacks in Linux with a blackhole route | If you are under a DoS attack, it is best to route the offending IP to a blackhole or null route rather than rejecting or other actions on the traffic. Here’s how it works in Linux!
Use Google Authenticator For Two-Factor SSH Authentication in Linux | For a very secure and convenient way to add two-factor ssh auth to your Linux server, you can use Google Authenticator. I’ll show you how to set this up!
Convert LMDE to Debian Wheezy | I changed my existing Linux Mint Debian Edition desktop over to pure Debian wheezy. Right now (May 2013) is the optimum time as switching to wheezy is currently an ‘upgrade’ and packages will nicely upgrade without issue. Here is how I did it!