Creating patches is usually handwork; fixing one specific issue at a time. Once in a while though, there is janitorial work to be done or some infrastructure to change. Then, a larger number of issues have to be taken care of simultaneously, yet all of them are following the same basic pattern, e.g. a replacement.

The Linux system call interface permits user-space applications to invoke functionality in the kernel, but what about invoking user-space applications from the kernel? Explore the usermode-helper API, and learn how to invoke user-space applications and manipulate their output.

After more than 4 years C is back at position number 1 in the TIOBE index. The scores for C have been pretty constant through the years, varying between the 15% and 20% market share for almost 10 years.

PostgreSQL is a great database server, but when your dataset is rather large, migrating a server by using pg_dump can be a rather long process. In this tutorial we will discuss a way to migrate a entire server with as little downtime as possible. To achieve this, we will be using the PostgreSQL built in features for PITR (Point in time recovery).

Almost simultaneously with the first series 1.8 X Server, the developers have also updated Mesa3D and various drivers. Four new stable kernels offer bug fixes and minor improvements

Monitorix is a free, open source, lightweight system monitoring tool  designed to monitorize as many services as possible. At this time it monitors from the CPU load and temperatures to the users using the system. Network devices activity, network services demand and even the devices’ interrupt activity are also monitored, and more.

The two fundamental concepts in a Linux operating system are processes and time slice. A process is an instance of a program that is being executed by the computer’s operating system. When we say that two computers are communicating with each other, we mean that two processes, one running on each computer, are in communication with each other.