Each distribution has some specific tools to build a custom kernel from the sources. This article is about compiling a kernel on CentOS systems. It describes how to build a custom kernel using the latest unmodified kernel sources from www.kernel.org (vanilla kernel) so that you are independent from the kernels supplied by your distribution. It […]

ntop is a network traffic tools that shows network usage in a real time. One of the good things about this tool is that you can use a web browser to manage and navigate through ntop traffic information to better understand network status. Also Ntop monitors and reports hosts traffic and supports these protocols: TCP/UDP/ICMP […]

A common task for System Administrators is to monitor and care for a server. That’s fairly easy to do at a moment’s notice, but how to keep a record of this information over time?  One way to monitor your server is to use the Sysstat package. Sysstat is actually a collection of utilities designed to […]

Securing the CentOS Perfect Setup with Bastille This article shows how to secure a CentOS server using psad, Bastille, and some other tweaks. psad is a tool that helps detect port scans and other suspicious traffic, and the Bastille hardening program locks down an operating system, proactively configuring the system for increased security and decreasing […]

Creating A Local Yum Repository (CentOS) Sometimes it can be handy to set up your own repository to prevent from downloading the remote repository over and over again. This tutorial shows how to create a CentOS mirror for your local network. If you have to install multiple systems in your local network then all needed […]