Unix

Introduction After 26 months of development the Debian project released its new stable version, Debian 9, code name 'Stretch'. Thanks to the work of the...

Subversion is a free and open-source version control system (VCS). It manages files and directories, and the changes made to them over time. This...

Introduction Tcpdump is one of the finest tools available for network analysis. It is a must have tool for all of the Network Administrators and...

We recently published article about how to determine your computer's architecture via GUI. Today am going to show how to do the same thing...

As we all know, root SSH login is enabled by default in GNU/Linux. We can easily access our remote servers and manage them if...

Introduction to Rocket.Chat We have already talked about Rocket.Chat, a private messaging system like Slack and Mattermost, and how to install and configure it on...

You know you get serious with Python programming language when you start to learn about exception handling. But why do we need exception handling? The...

Introduction to Decentralized Communication Matrix is an open standard for real-time, interoperable and decentralized communication over IP, used to power VoIP/WebRTC signalling, Internet of Things communication, Instant...

LAMP is a combination of operating system and open-source software stack. The acronym LAMP is derived from first letters of Linux, Apache HTTP Server,...

The Raspberry Pi is a great device with many possibilities and one such great use is as a NAS server for your LAN. The Raspberry...

Introduction Mantis Bug Tracker, or MantisBT, is a web based bug tracking system, available since November 2000. MantisBT is written in PHP and supports multiple...

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...

Marius Strobl has announced the availability of the third release candidate for FreeBSD 10.3: "The second release candidate build of the 10.3-RELEASE release cycle...

Introduction Magento is an eCommerce open source software, and a content management system for eCommerce websites. It uses MySQL 5.6+ or MariaDB as possible databases,...

Introduction Collecting data (stats about servers, applications, daily site traffic, etc) is the first step when troubleshooting site issues, looking to implement performance improvements or...

Introduction This is the second part of the tutorial on how to deploy Rocket.Chat on AWS (Amazon Web Services). In part one we saw how to...

LEMP is a combination of operating system and open-source software stack. The acronym LEMP is derived from first letters of Linux, Nginx HTTP Server,...

Normally we are writing  more  about Linux here at Unixmen. But today, I will give you some tips about the FreeBSD upgrade system and...