Unix

Did you know that Unix and Linux has no concept of a file extension? What is a file name extension? A .txt extension tells us...

PostgreSQL is a powerful, open-source object-relational database system. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac...

When I was testing my new FreeBSD 10 RC, I was not able to connect from remote machine using root user. So I decided...

Tripwire is an open-source security and data integrity tool useful for monitoring and alerting on specific file change(s) on a range of systems. If any...

TACACS+ - (Terminal Access Controller Access Control System plus) — is a session protocol developed by Cisco. Security(encryption) of the Protocol has improved. TACACS+ is...

How to enable su  in FreeBSD? This  is my  installed  FreeBSD 9.1 $ uname -aFreeBSD FreBSD-Unixmen 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC...

A token that performs a control function. It is a newline or one of the following: Ampersand ( & )  When a line ends with ampersand...

Introduction In a previous tutorial we talked about the installation of Nextcloud on an Ubuntu 16.04 server with Apache. Remember, Nextcloud is a cloud storage...

Writing and blogging have become two of the most well-liked pastimes on the web. However, you'll need to be inventive and unique if you...

What is Zypper? As you may know already, Zypper is most powerful command line package manager for installing, updating and removing packages as well as...

Fail2ban is an open-source intrusion prevention system that can be used to prevent brute force attacks and other suspicious malicious attacks. It scans log...

The Bastille hardening program "locks down" an operating system, pro-actively configuring the system for increased security and decreasing its susceptibility to compromise and downtime....

Introduction Moodle is a learning platform designed to provide a single, integrated system for educational institutes. It powers tens of thousands of environments all over the...

NGINX FFMPEG Camera recording and live streaming We will install and configure FFMpeg on FreeBSD 10.1 x64 server and will learn how to convert video/audio...

About BSD Berkeley Software Distribution, abbreviated as BSD, is a UNIX operating system derivative, developed and distributed at the university of California, Berkeley, from 1977...

It is late and I decided to code a simple TCP server in pure Python. But...

Introduction - A Web Based Control Tool Webmin is a web control tool for UNIX (and other similar systems) which simplifies the management process. Normally, configuration...

Introduction It was November 2014 when Microsoft announced the open sourcing of .NET with a project named .NET Core. It was announced as a smaller...