Category: Tutorials

The main user / administrator of a Linux server is root. Here is how you can create a new user […]

The current stable version of CentOS Linux OS is 6.5 If you want to upgrade your VPS / dedicated server […]

In this tutorial, I will explain how to install Nginx on a CentOS server / VPS. This is very easy […]

I was recently installing and configuring a new server. After installing CentOS I installed Apache. But server IP was not […]

You can protect your server from XMAS Attacks and drop incoming malformed XMAS packets by applying following rule in IPTable. […]

Syn-flood attacks are common these days. Syn-flood attack means that the attackers open a new connection to the server, but […]

For security reason, you should block all incoming null packets requests to your server. All TCP requests with flag NONE […]

In this tutorial, I will explain how to install cPanel on a new Linux server with CentOS installed on server. […]

Let’s say we want to search for text lophost in file /var/log/messages We can do this using command grep. Login […]

On a Linux server you can rename a file using mv command. Let say you want to rename file-one.txt to […]