Sentry Tools: Host-Level Security for Linux/Unix Servers

Linux dedicated server security does not have to be overly complex. With the right tools, you can accomplish your security goals with efficiency. One such project, Sentry Tools, offers host-level security services for Linux and other Unix-like operating systems.
Sentry Tools includes: PortSentry, Logcheck/LogSentry, and HostSentry. PortySentry protects against portscans. LogSentry automates log file […]

SUDO vs SU: What Really Matters

If you spend a decent amount of time talking to people in the Linux and free software community, you are bound to stumble upon the sudo vs su debate.  Some system administrators swear by sudo and argue it is the only way to truly keep your administrative account secure.  Others argue in favor of su, […]

Understanding Free Software Licenses

Free and open source software powers many of the world’s servers, and numerous high-traffic sites such as YouTube, Wikipedia, and Facebook use free software to keep their sites performing at extraordinary levels.  Some of the most common free software applications for servers are: variants of the GNU/Linux operating system, Apache […]

How to Install and Use RootCheck

Protecting your server is the most important thing you can do for it, more important than adding features, speed, or optimizations.  It is security that your websites and your client’s websites need more than anything else.  Many security threats are annoyances or may slow down your system a bit, but they do not do serious […]

A Look at MariaDB

For more than a decade, MySQL has been at the forefront of dedicated server technology, with millions of websites all over the world relying on the database to power their dynamic websites. It has become so prevailen that it is included in the popular web development stack called LAMP (Linux Apache MySQL and PHP).
As […]

Benefits of Open Source Software

In the IT world, is often common to think in terms of intellectual property, particularly when dealing with business. It is regular practice for IT companies to create custom software for businesses and then sell full or partial usage rights of the software for the business’ use. What many businesses unfortunately can […]

How to Install Virtualmin

For the busy dedicated server administrator, your web hosting control panel is one of the most important tools you will use on a daily basis. There are a few popular proprietary control panels you can choose, but there are also some free and open source ones that are worth trying, especially if you have […]

Protect Your Server with APF Firewall

Protect Your Server with APF Firewall
There are many firewall solutions out there, and I do not pretend to be an expert on security. Nevertheless, I can testify from experience that some solutions are easier, more secure, and more affordable than others. APF (Advanced Policy Firewall) from R-fx Networks is one solution that […]

Popular Web Servers

On this blog, I have spent quite a bit of storage space talking about Apache web server, but it is, by no means, the only web server on the block. In no particular order, here is a list of popular web servers, both free and commercial.
Apache HTTP Server – The most widely used […]