Public DNS Servers

library

Sometimes you need a list of public DNS servers, there are some common ones and some not so common ones, here I present my go to list.  These are in no way endorsed, but I do use them all fairly regularly.  Where I say some services are Alternate Root these servers may give you different results than the rest.

Continue reading →

How to Create a Websense Content Gateway (WCG) on CentOS

websense-logo

When you implement a Websense proxy solution and you don’t guy one of their appliance then you have to setup the proxy components yourself.  This can be fairly easily done on a CentOS install running on VMWare or Hyper-V.  This how to will walk you through getting a Websense Content Gateway (otherwise known as a WCG) with version 8.0.1 on an appropriate virtual host.

Continue reading →

How to DNSPerf on Ubuntu 14.04 with Installation and Quick Start

caution-high-voltage-zombies

It’s a shame that we don’t have the very awesome DNSPerf available in the Ubuntu repositories, however it’s very easy to install and well worth the small effort of compiling it from source if you are wanting to test the performance or stress test your DNS servers.

Continue reading →

IPSec VPN Host to Host on Windows 2012 R2 and Ubuntu 14.04

window-with-blue-light

After one of my recent tutorials about a host to host Linux VPN this post is a how to create a host to host VPN between Windows 2012 and Ubuntu 14.04.  We’ll be using the inbuilt Windows Firewall with Advanced Security and Strongswan.

A lot like my last tutorial I couldn’t find any decent information out there how to get an IPSec connection between Microsoft and Linux, but since IPSec is an open standard I was confident it should work. After spending a lot of time working through how to do this I decided to write this post to hopefully help other people out in the same situation.

Continue reading →

An Immature Way to Use Sudo

Control versus Escape
[email protected]:~$ apt-get update
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
[email protected]:~$ alias flipping=sudo
[email protected]:~$ flipping apt-get update
[...]
Fetched 3,214 kB in 2s (1,167 kB/s)
Reading package lists... Done
[email protected]:~$ unalias flipping
[email protected]:~$ :)

And who says swearing at computers isn’t fun…