A friend recently asked me about a security methodology for a very small company he works with that doesn't have a large amount of money to throw at security. This made me think: are people being convinced that money = security?

I decided to put together a methodology that doesn't spend any money on software costs. So, here's five steps that can be used to secure almost any environment, even small ones.

Linux administration can be tough some days, so whenever I find a tool that makes my life easier I hang onto it for dear life. There's one application I use on a daily basis that makes my life much easier, an application that's gotten so intertwined with how I work that I'm not sure I could function without it nearly as efficiently. If you use SSH to manage a server, I urge you to learn to love screen.

More after the jump. 

With the, ahem, 'popularity' of Microsoft Active Directory, I thought it would be a good idea to integrate SuSE 10.2 Linux servers within the directory. Here's how to accomplish it. 

Being a system administrator for a large network can be one of two types of jobs: either you're a professional firefighter that does nothing but move from one fire to the next, or you're sitting back most of the time surfing Slashdot or Digg because your network simply runs the way it should.

Here are some thoughts I've put together over the years to help you get control over your network.